SUPPLY, INSTALLATION, TESTING AND COMMISSIONING ......4 II. Scope of Supply and Work Supply, installation, testing and commissioning of Vibration Test System at Laboratory for Electro-Optics

Annexure -1

SUPPLY, INSTALLATION,

TESTING AND

COMMISSIONING OF

ELECTRO-DYNAMIC

VIBRATION TEST SYSTEM

1

Preamble

The Vibration test system is required for Environmental Stress Screening & Dynamic

Testing of satellite components, electronic packages and subsystems. Adequate electrical

interfacing, static load capacity and moment capacity are to be built into the system for this

application. The quoted system should have proven heritage with installation base in space

industry for similar requirements and applications of vibration testing of spacecraft and

subsystems.

The Vibration test system used for testing of satellite subsystems has to meet stringent

aerospace test requirements. The system should be highly reliable and of high precision. The

system has to function uninterruptedly, with minimum time lost in maintenance.

The essential requirements for Vibration Test system for testing satellites subsystems are:

High acceleration

High shock

Low Distortion

Low Cross Axial Response

High over turning moment restraint

Large Dynamic Range.

Common base Shaker system with factory alignment and quick transition between

longitudinal axis to lateral axis connecting shaker to slip table.

Precision bearing guidance for shaker and slip-table.

Modular design of power amplifiers for ease and quick maintenance.

Safety interlocks considering machine and the specimen under test.

High Precision Vibration Control system

Offers are invited only from the reputed suppliers, having experience and heritage in supplying

electro-dynamic shaker of 25kN capacity or higher, to supply, install and commission a Vibration

Test system as per specifications detailed in the following sections.

2

Contents

I Terminology used in this specification

II Scope of Supply and Work

III Vendor eligibility criteria

IV Supply, Installation, Testing and Commissioning (SITC) of 2.5T Electro–

Dynamic Vibration Test System-Specifications

1 Introduction

2 Electro-dynamic shaker test system

A 2.5T Vibration Shaker

B Slip Table

C Power Amplifier

D Field System

E Duty Cycle

3 Digital Vibration Controller system

V Optional Spares

VI Environment

VII General Specifications

VIII Installation and Training

IX Terms and conditions

X Factory Acceptance Test (FAT) Plan

XI Site Acceptance Test (SAT) Plan

3

I. Terminology used in this specification

LEOS- Laboratory for Electro –Optics Systems

ISRO- Indian Space Research Organisation

DOS- Department of Space

AMSC- Annual Maintenance Service Contract

FPS- Field power supply

Log-logarithm

UUT- Unit under test (payload)

kN- kilo Newton

kg- Kilogram

sec- Second

Hz- Hertz

FAT- Factory Acceptance Test

SAT- Site Acceptance Test

HPP- Hydraulic Power Pack

Rms- Root mean square

MCP- Main Control panel

RCP- Remote Control panel

SRS- Shock Response Spectrum

RSD- Resonance Search and Dwell

DOF- Degree of Freedom

Freq.- Frequency

Amp.- Amplitude

A/D- Analog to Digital

PCD- Pitch Circle Dia

I/P- Input

O/P- Output

SITC- Supply, Installation, Testing and

Commissioning

4

II. Scope of Supply and Work

Supply, installation, testing and commissioning of Vibration Test System at Laboratory for Electro-

Optics System (LEOS), Bengaluru-560058 as per the detailed specifications follows

1. Supply of complete Shaker system as per specifications

1.1. Electrodynamic vibration Shaker

1.2. Slip Table

1.3. Amplifier

1.4. Field Power Supply

1.5. Cooling System

1.6. Adaptors Plate for armature- 03 Nos

2. Supply of Digital Control System as per specifications

2.1. 16 channel Hardware

2.2. Digital control system software with data acquisition

2.3. Computer

2.4. Printer and scanner

2.5. Calibration software with accessories

2.6. Media of Installation software

2.7. Software for installation shall be provided in a CD-ROM/DVD-ROM. In case of a failure

of the host-work-station, the software shall be capable of being installed on a stand-by

host-work-station to ensure 100% uptime.

2.8. Rack for mounting: Standard portable rack for housing Instrumentation Front-end

should be supplied, providing Minimum 1U gap between modules for Thermal

Dissipation

3. Two sets of Documentation in English

3.1. Operation manual

3.2. Service manual

3.3. Electrical wiring and mechanical schematics, dimensioned drawings.

3.4. Parts list.

3.5. System specifications including subsystems, subsystem data sheets, interface

requirements, calibration requirements and procedures

3.6. AutoCAD assembly drawings of shaker and slip table

3.7. Factory test results.

4. Shifting, Handling and Installation to the specified location at LEOS, Bangalore

5. Electrical wiring from mains power panel to power amplifier, field power supply, cooling unit

and hydraulic connections should be taken care by the vendor including supply of required

accessories (20 meters approximately for each unit)

6. Spares (optional)

7. Supply of Alignment and maintenance tool kit

8. Carrying out acceptance tests at Factory premises

9. Carrying out acceptance test at LEOS, Bangalore

10. Training

5

III. Vendor Eligibility Criteria 1. Supplier’s experience

The supplier should have at least 5 years of experience in supplying electro-dynamic shakers of

25kN or higher force rating capacity and Digital Vibration Control System to aerospace

industries or institutions. Details like purchase order copy (masking the price), date of

installation etc. of such systems or any proof should be given along with the quote. The

offers/quote without this information will be rejected without any further reference.

2. Heritage of the offered systems

The supplier should have supplied a shaker system with similar configuration as detailed in the

specifications to the aerospace industries or institutions. Test results and performance plots of

such systems are to be provided. The supplied shaker systems should have completed at least

12 months of satisfactory performance.

The Vibration Control system shall function flawlessly for all modes of testing with a proven

design. The system should have been supplied to aerospace industries with a proven track

record.

The supplier should provide the details of the shaker system and Vibration control system

supplied with contract / purchase order copies (masking the price), model number, year of

supply and copy of installation /acceptance report along with the details of the such customers

including name of the organization, end user division/group and contact details of the end user.

It should be noted that this will be one of the criteria for evaluation of the quoted system for

technical suitability. The offers/quote without this information will be rejected without any

further reference.

3. Original manufacturer

Supplier should be original manufacturer of the system. Offers from original manufacturer or

their authorized representative only will be accepted. Representative should submit

authorization certificate along with the offer.

4. Local service support

Supplier should have service center or authorized service center with trained service engineers

in India. Service center address, contact person details, phone/fax numbers, email should be

provided along with the offer.

5. Certificate of origin

Certificate of origin should be provided along with supply. Such details should be provided along

with the offer.

Offers are invited from the qualified vendors fulfilling above conditions, for Supply,

Installation, Testing and Commissioning (SITC) of 25 kN Electro–dynamic Vibration Test System

and Digital Vibration Control System as per the detailed specifications follow.

6

IV. Detailed specifications of Electro-dynamic Vibration Test System

1. Introduction

1.1 Electro-dynamic vibration test system is required to be used for carrying out Vibration

testing of electro-optic sensors and subsystems of satellite. It should be possible to carry

out testing in both lateral and longitudinal directions independently. Adequate test article

Interfacing, static load capacity and dynamic force and moment capabilities shall be built

into the system for the purpose as detailed in the specification. The system will be housed

in a clean environment and hence sufficient care should be taken to ensure that the shaker

system does not produce contaminants.

1.2 Vendor shall be ready to give a techno-commercial presentation at LEOS, Bengaluru, if

required. The vendor shall be intimated within 15 working days in advance for this

presentation. The vendor can present the same through video conference mode also. The

intimation shall be sent to the vendor only after technical evaluation of the proposal.

1.3 Supplier should manufacture, supply, deliver to the site, install, commission the shaker

system and provide test results as per the acceptance test plan. The major subsystems of

the Shaker system shall comprise of

1.3.1 Electro-dynamic shaker with common base slip-table

1.3.2 Field Power Supply & Cooling Unit.

1.3.3 Digital switching power amplifier

1.3.4 Vibration test control system

2. Electro-dynamic shaker test system

SI.NO Parameter Specifications

A Vibration Shaker

1 Structure Complete vibration shaker system such as vibration

Shaker (armature) and slip table shall be housed in

Mono block high strength steel structure

2 Type Electrodynamic - Forced Air cooled

3 Sine Force (peak) 25 kN minimum

4 Random Force (rms) 25 kNrms minimum as per ISO 5344

5 Half Sine Force (peak) 50kN minimum

6 Shock and Load (kg)

4 ms, half-sine

50 g minimum at 55 kg UUT


200 g minimum at 1.5 kg UUT

11 ms, half-sine



100 g minimum at 15kgUUT

7 Useful Frequency Range DC to 3000 Hz

8 Acceleration Sine (peak) > 120 g at bare table

9 Acceleration Random (rms) >100g at bare table

10 Velocity (peak) Sine Sweep and

Random

> 1.8 m/s continuous

> 2.5 m/s intermittent

7

11 Velocity (peak) Shock > 3.5 m/s

12 Displacement (peak-peak) > 51 mm

13 Armature Weight <25Kg

14 Armature Diameter 325 to 350 mm

15 Armature Resonance (fn) More than >2000 Hz at bare table

16 Armature Cross axis Response 5 Hz – 1000 Hz : < 10%

17 Minimum possible test level <0.35g swept sine test from 5 Hz to 2000 Hz with 20

kHz bandwidth rms control on shaker bare table

18 Armature and Field coil system Insulation level shall be accordance with requirement

of continuous duty cycle and as per standards

19 Amplifier Output Suitable capacity to meet the force and shock

requirements

20 Shaker Internal Load Support >250kg with automatic load support

21 Stray magnetic field Level <0.5mTesla measured at 150 mm above shaker table

at normal operating temperatures

22 Degaussing coil Fixed, fitted with low gauss kit.

23 Shaker Body Isolation frequency <4 Hz

24 Armature suspension Standard armature suspension and guidance should

be provided with suitable flexure and guidance

bearing.

25 Armature centering Provision of auto-centering with specimen for

allowing maximum displacement at full static load

should be provided by Pneumatic internal vertical load

support.

26 Armature cooling 100% forced air-cooling. The shaker to be provided

with required cooling machinery, silencer and

instrumentation and to be interlocked with shaker

operation.

27 Acoustic Noise <75 dB (A) at distance of 2meter from amplifier

28 Compressed air requirement Information to be Provided by the Vendor in the

technical offer Supply rate, Pressure, Dryness in terms

of condensation temperature in oC at supplied

pressure

29 Insert pattern on armature table

(typical)

Concentric dual hexagon matrix, UNC M10 Stainless

Steel SS304 inserts

1 Number at Center

4 Numbers at 4" PCD

8 Numbers at 8" PCD

8 Numbers at12" PCD

30 Adaptor platefor armature interface

36 mm thick magnesium circular plate of size suitable

with armature with above interface. All inserts are

flushed with plate surface.

Flatness: <0.1mm per meter

Surface finish: roughness average <1.6 micron

Parallelism: <0.2mm per meter

Quantity: 03 Nos

31 Slip Table mounting Trunnion mounts with and body rotation gear box.

8

32 Shaker Cooling system By forced air cooling by suitable blower.

The shaker should be provided with air blower of

suitable capacity for cooling of the shaker system.

Rating and technical details of the blower should be

provided along with technical quote.

B

Slip Table

1 Type Shaker and slip table, mounted on a stand-alone single

common base structure, providing permanent

alignment of shaker with slip table.

2 Slip plate dimension Size 500 mm (L) X 500 (W) mm with a tolerance of

+20mm (both L&W)

3 Slip plate thickness 30mm+ 2mm

4 Slip plate moving mass (including

bearings)

< 60KgIncludingslip plate, Armature, Driver Bar and

Fasteners

5 Armature and slip table Combined

Resonance Frequency

>1000 Hz

6 Driver bar Tension bolt type, Made of Magnesium

7 Combined Useful Frequency range. 5 to 2000 Hz or better

8 Slip table material Magnesium Alloy AZ 31 B

9 Driver bar material Magnesium Alloy AZ 31 B

10 Overturning Moment(Pitch, roll and

Yaw)

Vendor to provide the values

11 Hydraulic Power Pack (HPP) Suitable for the bearing of the slip table. Low noise, 70

dB(A) within 2 meters from the HPP.

12 Slip table Inserts Metric, coarse threaded UNC M8 flush type stainless

steel SS304 inserts with surface PCDs: 6” (8 inserts)

and 12” (8 inserts) and standard (4” X 4”) 100mm Grid

& Shaker Bolt Hole Pattern

13 Bearing Linear guidance bearing or better

14 Slip plate Flatness < 0.1mm per meter

15 Slip plate Surface finish 3-triangle finish or better

(Roughness average <1.6micron)

16 Slip plate Parallelism 0.2mm per meter or better

17 Slip table support Granite support table

18 Driving interface Cast magnesium driver bar

19 Shaker body isolation and guidance

in vertical /horizontal

Should be provided

20 Slip table base Heavy duty steel base

21 Oil lubrication system The forced lubrication oil system from mono-block

pump with local ON/ OFF switch and with remote ON/

OFF control.

22 Lubrication oil set up Oil guard support system shall be integrated

9

C

Power Amplifier

1 STANDARDS The Power amplifier and all associated equipment and

components shall be manufactured in accordance

with the applicable standards with CE Certification

2 Type PWM based Class D switching power Amplifier or

better

3 Capacity Output power should be sufficient to drive the shaker

at its maximum force rating.

4 Construction Modular Pulse Width Modulation (PWM)construction

6 Frequency response DC to 3000 Hz or better

7 Efficiency >90%

8 Distortion Less than 0.5% in frequency band of DC – 2500 Hz

9 Hum & Noise Less than 0.05V rms with input shorted & max gain

10 Transient current output Peak current handling >3 times continuous sine rating

for period of >100 milliseconds

11 Soft start & stop To avoid transients due to switching on/off amplifier

12 EMI shielding EMI Shielded Console designed with minimal

penetrations including metal gaskets on all external

joints, corrosion protection, EMI shielded air cooling

screens and 3-phase line filtering standard.

13 Power amplifier Signal to Noise ratio > 70 dB

14 Control & protection Microprocessor based system

15 Control/Display panels Operation through Main Control panel (MCP) and

remote Control panel (RCP)

16 Interlocks(Typical)

Output over voltage,

Main input over & under voltage.

Output over current,

Amplifier cooling,

Vibrator / Shaker cooling,

External trip

Vibrator / Shaker over travel,

Field power supply,

Over current

Amplifier /module failure

Slip table oil pressure/flow

Cabinet door open

Shaker over temperature

Blower trip

Loss of input phase

Any other standard / logic fault and interlocks

specified by the manufacturer

10

17 Indication at system level(Typical)

Full scale LCD/LED display should be provided for the

amplifier status monitoring and message display.

Along with following events/parameter should be

properly indicated on Main Control Panel (MCP)&

Remote Control Panel (RCP)

O/p over current

O/p over voltage

Auxiliary power supply ON

Amplifier cooling failure

Amplifier over temperature

Vibrator cooling/failure

Vibrator over travel for both & top bottom limit switch

Vibrator over temperature

Field failure

Supply low/high voltage

Cabinet door open

Amplifier and shaker safety interlocks display

18 Metering and monitoring

Display of Amplifier output voltage & current, line

voltage etc. at Amplifier panel and provision for

remote monitoring in desktop computer

19 Main control Panel (MCP) Auxiliary Power on/off control

Amplifier on/off control

Gain control

Shaker safety & interlock display

20 Remote Monitoring and control Facility shall be provided to operate and monitor the

vibration shaker through Remote Control panel (RCP),

including interlocks messages, indication and display.

Facility shall be provided to operate and monitor the

vibration shaker through desktop computer, including

interlocks messages, indication and display. A

separate desktop computer shall be supplied

exclusively for this purpose with necessary software

and hardwares.

D

Field System

1 Field power Supply Should be suitable to deliver the full rated load with a

provision to vary the output

2 Field protection Should be protected against short circuit and should

be provided with freewheeling Diode/Rectifier

3 Interlocks Should be provided with suitable interlock with

amplifier for auto start and field power indication

4 Cabinet Air cooling

5 Electrical input 415 V +5%, -10%, 50 Hz +/-1.5%, 3 Phase-Neutral and

earthing.

6 Input Tapping Tapping on input of transformer required: 380V,

415V, 440V and 460V

11

E

Duty Cycle

1 Duty cycle

The shaker/ amplifier/ field coil supply should be rated

for continuous 4 hours or more of operation in single

stretch for at least 80% of shaker limit values

(Displacement, Velocity and acceleration) for sine and

Random test with 30 minutes’ interval, the shaker/

amplifier/ field supply should have the capacity of

operation for another Continuous 4 hours or more of

operation.

2 System safety

The vibration test system quoted should comply with

Health and Safety requirements of the Machinery

Directive 89/392 EEC or equivalent and the Low

Voltage Directive 73/23/EEC or equivalent

3. Digital Vibration Controller system

SI.NO Parameter Specifications

1 Controller Integrated Sine, Random, shock, Shock Response

Spectrum (SRS), Resonance Search and Dwell (RSD)

software module package for 16 Channel

accelerometer response/control with complete

accessories

2 Make and model The following Digital vibration control systems are

found to be suitable for intended application.

However, the Vendors may offer any other

equivalent reputed brand meeting essential features

in the following sections

APEX SL Home/ UD WIN from M/s UDC

Scadas-III from M/s Siemens PLM

VR 9500 from M/s Vibration Research

Jaguar from M/s Spectral Dynamics

3 Controller Channels Total Channels:> 16

4 General Features:

The overall features of the system are as follows:

4.1. Controller for desktop or 19” rack mount placement

4.2. The controller should provide the transmissibility list for sine and Random for each

channels. The transmissibility list should contain numerical value for frequency Vs

amplitude for each channels.

4.3. Automatic data saving

4.4. Facility to Calibrate Controller module channels output and input

4.5. MS Office word and excel for report generation

4.6. Export of data in UFF/CSV/excel etc. shall be provided.

4.7. Controller Software with permanent license

4.8. COLA (Constant Output Level Adapter) One Volt Output at Test Frequency with

Frequency Trim

12

5 SINE SOFTWARE MODULE:

5.1. 5-3000 Hz Frequency Range

5.2. Sweeps with Constant Acceleration, Velocity, Displacement Segments

5.3. Control Types: Single, Average, Extremal Channel, Limiting

5.4. Digital Tracking Filter for Each Channel

5.5. Log/Linear Sweeps

5.6. Channel Limiting with Individual Segments

5.7. Selectable Sweep Rate or duration

5.8. Reference Spectrum Alarm & Abort Limits

5.9. Individual Channel Abort Limits

5.10. Amplitude, Phase, transmissibility and Spectra Displays

5.11. Single and Multiple Frequency Sine dwell test

5.12. Manual Hold/Sweep, Reverse, Selectable Frequency & Amplitude

5.13. Automatic Data Saves and Printing

5.14. Automatic Search and Listing of Resonances including transmissibility, Phase and Q-

Value with selectable threshold

5.15. Automatic notching of output signal to enable response limitation of specified

monitoring channels.

5.16. Definition of at least 10 Notching/ Abort profiles.

5.17. Any of the 16 channels, other than control, should be definable as Notching/Limiting/

Abort channel with individual profile.

6 RANDOM SOFTWARE MODULE:

6.1. Bandwidth up to 3000 Hz

6.2. Variable number of lines of control 400 to 1600 or better

6.3. Minimum 20 Breakpoints (Frequency/Amplitude or Slope)

6.4. Control Types: Single, Average, Extreme (maximum)

6.5. DOF (Degree of Freedom) Selectable: 25 - 256

6.6. Level Scheduling & Looping including pre-test levels

6.7. Instantaneous Level Changes (without resetting averaging)

6.8. Reference Spectrum Alarm & Abort Limits (selectable # lines)

6.9. Notch/Limiting with Individual Breakpoint Tables for each Channel (20 points each)

6.10. Spectrum Alarm & Abort Limits (# lines selectable)

6.11. Fast Loop Time

6.12. Drive Sigma Limiting (none, 2-5)

6.13. Manual Adjustment of Level and Pause/Resume

6.14. Use Stored Drive for Quick Starting

6.15. Automatic Data Saves and Printing

6.16. Automatic Search and Listing of Resonances including transmissibility and Q-Value

with selectable threshold

6.17. Gaussian Amplitude Distribution

6.18. Import ASCII PSD for Reference

6.19. Automatic notching of output signal to enable response limitation of specified

monitoring channels.

6.20. Definition of at least 10 Notching/ Abort profiles.

6.21. Any of the 16 channels, other than control, should be definable as Notching/Limiting/

Abort channel with individual profile.

13

7 SHOCK SOFTWARE MODULE:

7.1. Wave forms - Half sine, Saw tooth and Triangle

7.2. Pulse Width of 0.5 milliseconds to 2 seconds

7.3. Sample Rate 1 to 2 kHz

7.4. Sample Points 2048 or better

7.5. Compensation Pulses provide Optimized Displacement and Velocity; selectable pre &

post negative compensation

8 Resonance Dwell Module:

8.1. Should automatically locate and lists resonances at end of sweep, followed by phase-

tracked dwells at operator-selected resonances.

8.2. Phase Reference Selectable as Absolute or Difference Between Two Channels

8.3. Duration Selectable for Time or Cycles

8.4. Upper/Lower Abort Limits for Frequency & Amplitude

8.5. Dwell Log Table Periodically Updated During Test Including Frequency, Amplitude,

Phase and Time

8.6. Manual Controls to Adjust Amplitude and Phase

9 Plots/ Graph editing feature

9.1. Provision to mark the peak/ point in the graph with values

9.2. Automatic peak picking in the selected range of frequency and amplitude. Provision

for manual peak picking to add additional peaks along with automatically picked peaks.

9.3. Zooming of a selected band in the graph should be possible.

9.4. Manual & Automatic setting of the range for X and Y-axes.

9.5. Option to set Linear/logarithmic scale for X and Y-axes.

9.6. Option to edit back ground, curve, grid lines, borders, X and Y axis texts such as colour,

size etc.

9.7. Option to insert Text and movement of its position in the graph

9.8. Option to select the channel number, alarm limit, abort limit, profile etc.

9.9. Printing of selected plots/ graphs

10 Run time features

10.1. Start, Abort, Re- Start functions.

10.2. Start up from low level to full level in user defined level steps/time

10.3. Provision for Manual or Auto start selection from initial test level to full level.

10.4. On line message display regarding status, test sequence, warning, aborting etc. and

online parameters such as time, time elapsed, time to complete, reference and

actual ‘g’ level, frequency, displacement, number of sweep, of test activities

10.5. After completion of test activity, the display should show the maximum ‘g’ level,

Time elapsed on full level test, total test activity, time and date.

10.6. Printing profile table parameters with expected ‘g’, displacement and velocity

14

11 Controller Calibration

11.1. It should be possible to carry out ‘on site’ Instrumentation front-end calibration

without the need of support/intervention from the vendor

11.2. Any Hardware, Software and accessories for the same shall be provided along with

the system.

11.3. Offset removal and gain linearity adjustment for all the input/output channels

should be provided.

11.4. In case if any channel fails in calibration, the calibration process should continue

skipping that particular channel. It should be possible to isolate/disable the failed

channel in further calibration steps.

12 Desktop Computer

12.1. Processor: Intel Core I7 with 3.6GHz or better capable connecting to duel monitors

12.2. 32" LED Monitor with 4K resolution or better with HDMI interface (2 Nos) one

monitor is for operator control and another for observers

12.3. 16GB DDR4 RAM memory or better and extendable up to 24GB or more

12.4. Integrated 8GB DDR4 RAM or better Video Graphics Controller capable of

connecting to at least two monitors of 4K resolution and a LED display projector.

12.5. 2GB or more SSD Memory

12.6. SATA or better interfaced 2TB Hard disk or more for data storage. Hard disk shall

have more than two partition and one partition is exclusively for software related

storage.

12.7. Operating system: Windows 10 with latest updates with driver DVD, OS recovery

disk

12.8. DVD ROM R/W with speed of 16X or more

12.9. Keyboard and optical Mouse

12.10. USB Ports 4 Nos in front and 6 Nos in back or more,

12.11. Ethernet Ports- 2 or more with speed of 1GBPS or more

12.12. Serial communication port RS232 - 02 Nos and RS 485- 02 Nos

12.13. MS office 2016 or latest version

12.14. Complete Software Integration

12.15. Licenses for all the software and platforms shall be of perpetual/permanent nature

and shall be the latest proven version. Supplier shall provide the product keys/

license numbers wherever applicable.

12.16. It shall be provided with multimedia speakers

13 Printer

1 Number of Color Laser Jet Printer, built-in USB & network port, with automatic duplex

(double side) printing capability, Paper size: A4 Size prints, printing speed of minimum of 30

PPM and resolution of minimum of 600 dpi.

The printers shall be of latest model, supplied with Indian warranty and shall be locally

serviceable.

14 Scanner

1 Number of color scanner with high resolution 1080p or better with built-in USB & network

port, Paper size:A4 Size shall be provided

15

V. Optional Spares

The following spares should be supplied along with the system. The cost break up should be given in

price offer. Any other spare (other than listed below) required for maintenance of the system for a

period of 5 years should also be quoted.

1. Shaker 1.1. Armature

1.2. Field coils (top and bottom)

1.3. Flexures assembly-1set (Total quantity same as

that is assembled in the shaker)

1.4. Shaker bearings-1 No

1.5. Current leads-3set

1.6. Over travel switch assembly-2 sets

1.7. Shaker seals-3set

2. Slip table

2.1. Bearings 2 Nos.

2.2. Over travel switch assembly-1set

3. Power amplifier

3.1. Power modules -1 no.

3.2. Control / Interface / Interlock / metering PCB

assembly –1 set (Total quantity same as that is

available in the amplifier)

3.3. Low voltage power supplies-1set (Total quantity

same as that is available in the amplifier)

3.4. Relays-1 set

3.5. Fuses-1 set

4. Field power supply (FPS)

4.1. Control/Interface/Interlock/metering PCB

assembly –1 set (Total quantity same as that is

available in the FPS)

4.2. Low voltage power supplies-1set (Total quantity

same as that is available in the amplifier)

4.3. Relays-1 set

4.4. Fuses-1 set

5. Spares for 16 Channel Digital

Vibration Control System

5.1. One Number of the computer with all peripherals

and pre-installed application software, except

Monitor, printer should be supplied as essential

spares to ensure 100% uptime in case of failure.

5.2. The Master card or its equivalent that sits in the

mainframe and controls the instrumentation

front end – 1 No

5.3. Signal conditioning and A/D converter card(s)

5.4. Clock/synchronization card if any – 1 No

5.5. The interface kit to connect the Computer and

the Instrumentation Front-end 1 No

5.6. Power supply module for the instrumentation

front end – 1 Set

16

VI. Environment

F ENVIRONMENT

1 Environmental conditions

discuss

The complete vibration test system should have

capability of operating temperature range of : 10 to

300Cwith Relative Humidity of 10 – 90%

VII. General Specifications

H General Specifications

1 Quality of finish

All equipment/ instruments should have high standard

of finish with anti-corrosive protection

2 Training at LEOS

Supplier should provide mandatory training on

operation and routine maintenance of the system to

LEOS Bangalore personnel as part of installation and

commissioning for a minimum period of three days.

3 Documentation (Two sets in English)

3.1. Operation manual

3.2. Service manual

3.3. Electrical wiring and mechanical schematics,

dimensioned drawings. Complete electrical

control and power drawings shall be provided.

3.4. Parts list with part number.

3.5. System specifications including subsystems,

subsystem data sheets, interface requirements,

calibration requirements and procedures.

3.6. Factory test results.

3.7. Soft copy of above documents in DVD

4 Warranty and support

4.1 Minimum of two years comprehensive On-site

warranty from the date of Acceptance of the

system

4.2 Optional extended warranty: 2 years extended

warranty (for 3rd and 4th year) after completion

of mandatory 2 years comprehensive On-site

Warranty, To be quoted separately for 3rd year

and 4th year.

5 Annual Maintenance and service

contract (AMSC) – Optional

Non-comprehensive AMSC for the period of three

years after completion of mandatory 2 years

comprehensive On-site Warranty.

To be quoted separately for 3rd, 4thand 5thyear

respectively.

6 Others Any option / accessory required in vendor's opinion,

but not listed in our enquiry should be indicated and

quoted separately.

17

7 Inspection, Factory acceptance test

& training

Shaker system along with the Control System, Data

Acquisition System and associated instrumentation

elements covered in this tender should be should be

fully integrated and tested prior to dispatch and these

test results shall be made available to LEOS for

perusal. The detailed test plan has been enclosed.

LEOS at its own discretion may inspect and witness the

pre-shipment factory tests. Minimum one month

advance intimation shall be given for the FAT tests.

8 Delivery and installation The supplier is responsible unpacking, unloading,

erection and installation of Vibration test system at

LEOS, ISRO.

9 Site Acceptance tests (SAT) after

installation

Shaker system along with the Control System, Data

Acquisition System and associated instrumentation

elements covered in this tender should be fully

integrated, commissioned and tested as per the Site

Acceptance test procedure at LEOS. Satisfactory

completion of the SAT will form the basis for

acceptance the system.

Site Acceptance Tests shall be conducted by the

vendor as enclosed.

10 Tools and instruments The vendor representative should bring necessary

tools, instruments and meters/Scopes, necessary to

complete the scope of installation, commissioning and

testing at LEOS premises

11 Final acceptance based on the successful and satisfactory completion of site acceptance tests.

18

VIII. Installation and Training

1. Shipping and Installation 1.1. All the systems shall be installed at LEOS-ISRO,

Peenya, Bengaluru-58, INDIA. The supplier or their

representative should take full responsibility for

unloading, unpacking, installation, commissioning,

carrying out acceptance tests and handing over the

system at LEOS.

1.2. The Vendor shall install the Shaker system, Vibration

Control System, and all auxiliary units in the areas

already identified in the building. The supplier or

their representative should take full responsibility

for unloading, unpacking, installation,

commissioning, carrying out acceptance tests and

handing over the system at LEOS.

1.3. Electrical wiring from the Power distribution panel to

the Power Amplifier (20 meters approx.), cooling

unit, hydraulic units, other auxiliary systems and

hydraulic connections shall be the responsibility of

the vendor.

1.4. The vendor shall have responsibility of providing

required connecting power and control cables,

support, sleeves, terminal ends, hoses and

pneumatic lines routed through a Junction Box using

Quick Connect Connectors. Utility outlets for power

and air will be provided by LEOS, Bengaluru, at

locations identified by vendor. The distance from the

shaker to cooling unit is approximately 20 meters.

The necessary size and length of the hose shall be

supplied by the party.

2. Factory Acceptance Testing (FAT)

and Inspection

Shaker system along with the Control System, covered in

this tender should be fully integrated and tested prior to

dispatch and these test results shall be made available to

LEOS for perusal.

3. Site Acceptance tests (SAT) to be

carried out at LEOS will be the

basis for acceptance of the

system.

Shaker system along with the Control System, covered in

this tender should be should be fully integrated,

commissioned and tested as per the Site Acceptance test

procedure at LEOS. Satisfactory completion of the SAT

will form the basis for acceptance the system.

4. Training at LEOS-ISRO Supplier should provide mandatory training on operation

and routine maintenance of the system to LEOS

personnel as part of installation and commissioning.

The supplier shall provide training to LEOS personnel for

safe operation and maintenance of the shaker system

19

IX. Terms and conditions

1. Vendor should quote for all the subsystems of section IV. Offers with partial quotes will not be

considered.

2. All quotes should be complete with following details. In absence of required details, the offer

shall be rejected totally.

2.1. Vendor eligibility criteria- proof documents

2.2. Detail system specification of the shaker with catalogs, technical literatures, data sheets

and performance curves/plots

2.3. Compliance statement should be provided along with offer. Any deviation from

specification should be clearly specified as a non-conformance.

3. The bid shall be in two parts.

3.1. Technical bid

3.1.1. The Technical bid that describes the systems specifications and capabilities in

detail.

3.1.2. The parties shall bring out full technical specifications in detail and how the

requirements/specification given in the specifications are met, so that the proposal

shall be self-explanatory.

3.1.3. While going through the proposal, it should be possible to assess the quality,

features of the system. The detailed specification of the required optional

accessories shall also be brought out. If there are any other additional features in

the system that can enhance the performance of the system, these are to be clearly

brought out in the technical bid.

3.1.4. In case any of the specification/requirements cannot be met then they are to be

specifically highlighted. A separate table (compliance statement) indicating the

compliance for all the specifications with supporting documents and or test plots

shall be provided along with the technical bid without which the offer will not be

considered.

3.1.5. Technical compliance statement should clearly provide the actual number against

each of the specifications given in the RFP. Offers stating mere compliance will not

be considered.

3.1.6. Along with the technical bid, the party shall also submit the details of same or

similar systems designed and supplied earlier and the list of organizations to which

similar items have been supplied in India as well as in other parts.

3.1.7. The technical Compliance statement shall be furnished by the Manufacturer or by

the Authorized representative with due concurrence by the Manufacturer.

3.1.8. The following commercial table shall be duly filled and submitted.

SN Description Confirm

/Specify

1. Electrodynamic shaker system

Individual break up costs viz. Shaker, Slip table, Amplifier etc.

Yes/No

2. Digital Vibration Control System Yes/No

3. Optional Spares

Individual break-up costs Viz. Electro dynamic Shaker System

spares, Control System Spares

Yes/No

20

4. Optional Accessories if any (give description) Yes/No

5. Recommended special purpose tools and tool kit for operation

& maintenance. (quantity of each tool required to be

mentioned)

Yes/No

6. Installation charges Free/Yes

7. Optional extended onsite warranty for two years beyond

Standard warranty period should be quoted separately for

shaker system, Control system and Data Acquisition System.

8. Delivery period (shall be less than 9 months) Yes/specify

9. Validity period: Both the technical and commercial offers of

the vendor should be valid for a minimum period of 180 days

from the due date of opening of the tender.

Yes/No

10. Approximate system weight To be specified

3.2. Price bid

Price bid will be opened after evaluation of the technical bid. The offer shall have total

price and Individual break up costs as follows

3.2.1. Electrodynamic shaker system

3.2.2. Digital Vibration Control System

3.2.3. Optional Spares

3.2.4. Individual break-up costs

3.2.5. Optional Accessories, if any (give description)

3.2.6. Recommended special purpose tools and tool kit for operation & maintenance.

(quantity of each tool required to be mentioned)

3.2.7. Installation charges

3.2.8. Optional extended onsite warranty for two years beyond Standard warranty

period should be quoted separately

3.2.9. Optional AMSC for three years

4. The successful bidder should comply LEOS /ISRO purchase terms and conditions such as

Performance Security (PS) and Liquidity Damages (LD) for entire system for entire warranty

period.

5. Time Schedule

The specified time schedule is the essence of the contract, and shall be adhered by the supplier of

the equipment. The following time schedules are to be followed strictly in delivering the vibration

test system and deliverables. Any deviation from the time schedule will be viewed as non-

compliance in the specifications

1. T0 : Date of release of Contract / Receipt of Export License

2. Within T0+ 7 months: Completion of Pre -shipment inspection including FAT, Packing,

Dispatch

3. Within T0+9 months: Completion of Consignment opening, inspection, installation, testing and

commissioning at Customer's site and acceptance tests.

21

X. Factory Acceptance Test (FAT) Plan

A. SHAKER: BARE TABLE TESTS

1. Resonance test (Pre signature)

1g Constant control.

Frequency 5 Hz to 2000 Hz at 2oct/min.

Control at center of armature.

1.1. Plot response accelerations for all three axes at different locations

1.2. Plot Drive, O/P current and O/P voltage.

2. Sine Capability test

Maximum Displacement, Maximum Velocity and Maximum Acceleration of the quoted

system.

With frequency 5 Hz to 2000 Hz at sweep rate of 2oct/min.

Multi point maximal Control at armature top (at center, 4" PCD, 8" PCD)



3. Resonance test (Post signature)



Control at center of armature



4. Diaphragming and Cross axis response test

5g Constant control from 5 to 2000 Hz with required slopes for Displacement and velocity,

with sweep rate of 2Oct/min.




5. Noise measurement on armature top

With amplifier Set to 100% gain and zero input signal

Measure accelerometer output at the armature top for 5 Hz to 20 kHz analysis range.

6. Low g sine test

Constant input acceleration level of 0.3g





22

7. Random Capability test

(20-100Hz:6dB/oct, 100-2000Hz: flat PSD to obtain the max rms acceleration of the quoted

system)

Multi point maximal Control at armature top (at center, 4" PCD, 8" PCD)



8. Low g -rms random test

Flat PSD from 20 Hz to 2000 Hz 0.3grms test level.

Control at armature center.









10. Wave form distortion tests

With input of 1G between 5 Hz to 100 Hz


The THD should be ≤10% between 5Hz – 100Hz

THD computation should be carried as per ISO 5344

11. Shock

Control at Center, Control at center, for frequency 100Hz and 150Hz, classical half sine

11.1. 4 ms, half-sine, 200g at Bare table

11.2. 11 ms, half-sine, 100g at bare table

B. LOAD TESTS

12. Resonance test (Pre-signature without load)






23


With 2 times weight of armature


system

Multi point maximal Control on mass top (at center, 4" PCD, 8" PCD)


Plot Drive, O/P current and O/P voltage.

Check waveform distortion of accelerometer output and Amplifier output using Digital

data acquisition system.

Acceleration limited to maximum force rating of shaker.


With 2 times weight of armature

20-100Hz: 6dB/oct, 100-2000Hz: flat PSD for maximum random force rating of the quoted

system.


14.1. Plot acceleration, Drive, O/P current and O/P voltage.


15. Endurance test

Shaker should run continuously for 1 hour with the following specification.

With mass 2 times weight of armature


system (limited to 100% of maximum force)


Frequency 5Hz to 2000 Hz at 1oct/min.

Plot acceleration, Drive, O/P current and O/P voltage.

16. Resonance test (Post signature without load)






17. Shock

Control at center, for frequency 100Hz and 150Hz, classical half sine

17.1. 4 ms, half-sine, 100 g minimum at 20 kg UUT

17.2. 4ms, 200 g minimum at 1.5 kg UUT

17.3. 11 ms, half-sine, 100 g minimum at 15 kg UUT

24

C.SLIP-TABLE TESTS




Control at slip table end along shaker axis





shaker system.

With Frequency 5 Hz to 2000 Hz at 2oct/min sweep rate.

Control at slip table end along shaker axis (center, right extreme and left extreme)


19.2. Plot Drive, O/P current and O/P voltage

20. Cross axis response test

5g Constant control from 5 to 2000 Hz with required slopes for Displacement and velocity

with sweep rate of 2oct/min

Control at slip table end along shaker axis (center, right extreme and left extreme)




Frequency 5 Hz to 2000 Hz at 2oct/min




D.POWER AMPLIFIER

22. Noise measurement

Bare table


Measurement of output voltage and current with input shorted and amplifier set to 100%

gain

23. Shaker system interlocks

Over travel limit by test

Cooling unit flow switch

Temperature switch

Field power supply

Emergency Abort switches

25

XI. Site Acceptance Test (SAT) Plan at LEOS, Bangalore

A. SHAKER : BARE TABLE TESTS









system

With frequency 5 Hz to 2000 Hz at sweep rate of 2oct/min.

Multi point maximal Control at armature top









4. Diaphragming and Cross axis response test

5g Constant control from 5 to 2000 Hz with required slopes for Displacement and velocity,

with sweep rate of 2oct/min.




5. Noise measurement on armature top


Measure accelerometer output at the armature top for 5 Hz to 20 kHz analysis range.

6. Low g sine test

Constant input acceleration level of 0.3g





26


(20-100Hz:6dB/oct, 100-2000Hz: flat PSD to obtain the max rms acceleration of the quoted

system)

Multi point maximal Control at armature top

7.1. Plot response accelerations for all three axes at different locations.


8. Low g -rms random test

Flat PSD from 20 Hz to 2000 Hz 0.3grms test level.

Control at armature center.









10. Wave form distortion tests

With input of 1g between 5 Hz to 100 Hz


The THD should be ≤10% between 5Hz – 100Hz

THD computation should be carried as per ISO 5344

B. LOAD TESTS

11. Resonance test (Pre signature without load)







Approximate with 2 times weight of armature (Test load will be supplied by LEOS)


system

Multi point maximal Control on mass top different locations


Plot Drive, O/P current and O/P voltage.

Check waveform distortion of accelerometer output and Amplifier output using Digital data

acquisition system.

Acceleration limited to maximum force rating of shaker.

27



20-100Hz:6dB/oct, 100-2000Hz: flat PSD for maximum random force rating of the quoted

system.

Multi point maximal Control on mass top



14. Endurance test

Shaker should run continuously for 1 hour with the following specification.



system (limited to 100% of maximum force)

Multi point maximal Control on mass top

Frequency 5Hz to 2000 Hz at 1oct/min.


15. Resonance test (Post signature without load)






16. Duty cycle Test

The vibration test system shall run for continuous 4 hours’ operation in single stretch for at

least 80% of shaker limit values (Displacement, Velocity and acceleration) for sine (Frequency

5Hz to 2000 Hz) and Random test (20-2000Hz)

With 30 minutes’ interval, another Continuous 4 hours of operation for sine and Random

test

C. SLIP-TABLE TESTS






17.2. Plot Drive, O/P current, and O/P voltage.



shaker system

With Frequency 5 Hz to 2000 Hz at 2oct/min sweep rate.




28

19. Cross axis response test

5g Constant control from 5 to 2000 Hz with required slopes for Displacement and velocity

with sweep rate of 2oct/min.

Control at slip table end along shaker axis.








D. POWER AMPLIFIER

21. Noise measurement

Bare table


Measurement of output voltage and current with input shorted and amplifier set to 100%

gain

22. Shaker system interlocks

Over travel limit by test

Cooling unit flow switch

Temperature switch

Field power supply

Emergency Abort switches

*****

Documents

SUPPLY, INSTALLATION, TESTING AND COMMISSIONING ......4 II. Scope of Supply and Work Supply, installation, testing and commissioning of Vibration Test System at Laboratory for Electro-Optics