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!