Antenna Azimuth Position Control System

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Presentation transcript:

Antenna Azimuth Position Control System Team: By Tyrone Tracy Sukhbir Hundal Bee Thao ME 270 12/13/07

Overview Objective System Concept Textbook Schematic Bondgraph Models Results Conclusion Demonstration Model

Objective Replicate results from Norman S. Nise’s Antenna Azimuth Position Control System Using Camp-G/Matlab/Simulink Transfer Functions System Response Graphs

*Control System Engineering by Norman S. Nise System Concept *Control System Engineering by Norman S. Nise

Textbook Schematic

Textbook Schematic Parameters

Block Diagram Parameters

Bond Graph Models Three individual systems Complete System Differential preamplifier Power amplifier DC motor Complete System

Differential Preamplifier Control System Engineering Model CampG Model Modified Model

Differential Operational Amplifier Textbook Results Transfer Function Step Response

Differential Preamplifier Our Results Matlab Simulink

Differential Preamplifier Equation dQ5=SE1/R3-Q5/C5/R3

Power Amplifier Control System Engineering Model CampG Model Modified Model

Power Amplifier Textbook Results Transfer Function Step Response

Power Amplifier Our Results Matlab Simulink

Power Amplifier Equation dQ6=-SF1+SE12/R11 -Q6/C6/R11-Q6/C6/R7

DC Motor Control System Engineering Model CampG Model Modified Model

DC Motor Textbook Results Transfer Function Step Response

DC Motor Our Results Matlab Simulink

DC Motor Equations dP8=SE1/R2/G3x4/T6x7 -P8/I8/T6x7/G3x4/R2/G3x4/T6x7 -P8/I8/T6x7*R5/T6x7-P8/I8*R9 -P8/I8*T10x11*R12*T10x11

Modified Bond Graph without Derivative Causality

Complete System Textbook Results Transfer Function Step Response

Complete System Our Results Matlab Simulink

Differential Equations 1. dQ24=SF1-Q24/C24/R23 2. dQ28=SE25/R27-Q28/C28/R27 3.dP8=P8/I8/T6x7/G3x4/R2/G3x4/T6x7 +SE18/R2/G3x4/T6x7 -P8/I8/T6x7*R5/T6x7 P8/I8*R9*P8/I8*T10x11*R12*T10x11

Conclusion Comparison Error Conclusion Results Very Close Graphs were similar Transfer Functions almost exact Error About 5 percent error Conclusion We are able to use CampG/Matlab/Simulink to reproduce Nise’s book results!!!

Demonstration Model Our Antenna Azimuth Position Control System The video is also located in the folder!