Space Mouse Sajay

8/9/2019 Space Mouse Sajay

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SPA CE M OU SESPA CE M OU SE


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ABSTRACTABSTRACTSpace mouseSpace mouse opens a new age for manopens a new age for man--

machine communication. This device is basedmachine communication. This device is basedon technology used to control the first roboton technology used to control the first robot

in space and has been adapted for a widein space and has been adapted for a widerange of tasks including mechanical design,range of tasks including mechanical design,

real time video animation and visualreal time video animation and visualsimulation. The ergonomic design allows thesimulation. The ergonomic design allows the

human hand to rest on it without fatigue.human hand to rest on it without fatigue.

Thus flying an object in six degrees ofThus flying an object in six degrees offreedom is done without any strain.freedom is done without any strain.


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INTRODUCTIONINTRODUCTION

Every day of your computing life, you reach out for theEvery day of your computing life, you reach out for themouse whenever you want to move the cursor ormouse whenever you want to move the cursor or

activate something. The mouse senses your motion andactivate something. The mouse senses your motion and

your clicks and sends them to the computer so it canyour clicks and sends them to the computer so it canrespond appropriately. It is not well suited for people torespond appropriately. It is not well suited for people to

use in a 3D graphics environment. Space Mouse is ause in a 3D graphics environment. Space Mouse is aprofessional 3D controller specifically designed forprofessional 3D controller specifically designed for

manipulating objects in a 3D environment. It permits themanipulating objects in a 3D environment. It permits the

simultaneous control of all six degrees of freedomsimultaneous control of all six degrees of freedom translation rotation or a combination. The devicetranslation rotation or a combination. The device

serves as an intuitive manserves as an intuitive man--machine interface. The basicmachine interface. The basicprinciple behind its construction is mechatronicsprinciple behind its construction is mechatronics

engineering and the multisensory concept..engineering and the multisensory concept..


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SPACE MOUSESPACE MOUSESpace mouse is developed by the DLRSpace mouse is developed by the DLRinstitute of robotics and mechatronics.institute of robotics and mechatronics.DLRDLR-- Deutsches Zenturum far LuftDeutsches Zenturum far Luft--undund

RaumfahrtRaumfahrt


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WHY 3D MOTION?WHY 3D MOTION?

?? Industrial robots made up the mostIndustrial robots made up the mostprominent category needing six degrees ofprominent category needing six degrees offreedom by maneuvering six joints to reachfreedom by maneuvering six joints to reach

any point in their working space with aany point in their working space with adesired orientation. Even broader theredesired orientation. Even broader therehave been a dramatic explosion in thehave been a dramatic explosion in thegrowth of 3D computer graphics.growth of 3D computer graphics.


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M agel lan (t he E uropean Space mouse):M agel lan (t he E uropean Space mouse):

t he resul t of a long development chaint he resul t of a long development chainThe new manipulation device would also be able toThe new manipulation device would also be able to

function as a conventional mouse and appear likefunction as a conventional mouse and appear like

one, yet maintain its versatility in a real workstationone, yet maintain its versatility in a real workstation

design environment.design environment.

Space mouse does not need a dedicated powerSpace mouse does not need a dedicated power

supply. The electronic circuitry using a lot of timesupply. The electronic circuitry using a lot of time

multiplexmultiplex

technology was simplified by a factor of five,technology was simplified by a factor of five,

compared to the former control balls.compared to the former control balls.


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The unbelievably tedious mechanicalThe unbelievably tedious mechanical

optimization, where the simple adjustment of theoptimization, where the simple adjustment of thePSD's with respect to the slits played a centralPSD's with respect to the slits played a centralrole in its construction, finally led to 3 simplerole in its construction, finally led to 3 simpleinjection moulding parts, namely the basicinjection moulding parts, namely the basichousing, a cap handle with the measuringhousing, a cap handle with the measuring

system inside and the small nine buttonsystem inside and the small nine buttonkeyboard system.keyboard system.

The housing, a punched steel plate providesThe housing, a punched steel plate providesMagellan with the necessary weight for stability;Magellan with the necessary weight for stability;any kind of metal cutting was avoided. The smallany kind of metal cutting was avoided. The small

board inside the cap (including a beeper) takesboard inside the cap (including a beeper) takesdiverse mechanical functions as well.diverse mechanical functions as well.


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Slight pressures of theSlight pressures of thefingers on the cap offingers on the cap ofMagellan is sufficient forMagellan is sufficient forgenerating deflections ingenerating deflections inX, Y, and Z planes, thusX, Y, and Z planes, thusshifting a cursor or flyingshifting a cursor or flyinga 3D graphics objecta 3D graphics objecttranslationally throughtranslationally throughspace. Slight twists of thespace. Slight twists of thecap cause rotationalcap cause rotationalmotions of a 3D graphicsmotions of a 3D graphics

object around theobject around thecorresponding axes.corresponding axes.


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Technical specifications of spacemouse


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FeaturesFeatures

Ease of use of manipulating objects in 3D applications.Ease of use of manipulating objects in 3D applications. Nine programmable buttons to customize users preference forNine programmable buttons to customize users preference for

motion controlmotion control Fingertip operation for maximum precision and performance.Fingertip operation for maximum precision and performance.

Settings to adjust sensitivity and motion control to the usersSettings to adjust sensitivity and motion control to the userspreference.preference.

Small form factor frees up the desk space.Small form factor frees up the desk space. Double productivity of object manipulation in 3D applications.Double productivity of object manipulation in 3D applications.

Natural hand position (resting on table) eliminates fatigue.Natural hand position (resting on table) eliminates fatigue.


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CONCLUSIONCONCLUSION

The graphics simulation and manipulation of 3DThe graphics simulation and manipulation of 3Dvolume objects and virtual worlds and theirvolume objects and virtual worlds and their

combination e.g. with real information as containedcombination e.g. with real information as containedin TV images (multiin TV images (multi--media) is not only meaningfulmedia) is not only meaningful

for space technology, but will strongly change thefor space technology, but will strongly change thewhole world of manufacturing and constructionwhole world of manufacturing and constructiontechnology, including other areas like urbantechnology, including other areas like urban

development, chemistry, biology, anddevelopment, chemistry, biology, andentertainment. For all these applications we believeentertainment. For all these applications we believe

there is no other manthere is no other man-- machine interfacemachine interface

technology comparable to Magellan in its simplicitytechnology comparable to Magellan in its simplicityand yet high precision. It is used for 3Dand yet high precision. It is used for 3Dmanipulations in 6 dof, but at the same time maymanipulations in 6 dof, but at the same time may

function as a conventional 2D mouse.function as a conventional 2D mouse.


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REFERENCES(1)www.3dconnexion.com

(2)www.nongnu.com(3)GNU Compiler Collection

www.gcc.gnu.org.(4)www.howstuffworks.com


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Space Mouse Sajay