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TAN CHUN KEAT KEM 090056
KHOO TENG CHIN KEM 090018
NG KONG HAN KEM 090047
SIN LI JIANG KEM 090052
YIP PAK NGIN KEM 090062
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used to accurately maintain the drivers desiredset speed without intervention from the driver
control circuit for producing a control signal tocontrol an electric motor of the vehicle
incorporate speed limited functions which do notallow the vehicle to accelerate beyond a pre-setmaximum
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Modeling AnalysisController
DesignSimulation
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Layout
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Schematic
Diagram
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Functional
Block
Diagram
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Scale Calibration
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Potentiometer
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Motor & Load
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Speedometer
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Linear Speed
Conversion
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Multiple Block Reduction 1
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Multiple Block Reduction 2
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Multiple Block Reduction 3
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Unity Feedback
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Open loop transfer function with unity
feedback
By factorizing it,
ANALYSIS
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Comparing the open loop transfer function with the
general secondorder transfer function
Natural frequency, = 105.381
rad/s Damping ratio, = 2.124
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Analysis of open loop transfer function by LTI
viewer
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Steady state error
Input type: Step input
System type: Type 0
Kp =
= 0.11
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Closed loop transfer function
Comparing the closed loop transfer function with the
general secondorder transfer function
Natural frequency=317.0177rad/s, Damping ratio =
0.7059
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Peak time
Tp = 0.0014 seconds
%OS
%OS = 4.3678%
Settling time
Ts = 0.0179 seconds
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Damping ratio Normalized rise time0.1 1.1040.2 1.2030.3 1.3210.4 1.4630.5 1.6380.6 1.8540.7 2.1260.8 2.4670.9 2.883
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Lag Compensator Improves the steady state behavior of the system
Preserving its transient response
Procedure Draw the root locus of the uncompensated
system
Determine desired closed-loop root from desiredspecification
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Root locus with compensator added
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LTI viewer with compensator added
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have modeled and analyzed the cruise controlsystem
compensator is designed to allow the systemto meet the desired performance specification
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