dc_motor.mdl

直流电机伺服控制系统仿真matlab程序

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	  Name			  "Start the simulation. Observe the motor cur"
"rent, voltage, and speed during the starting on the scope.\n\nAt the end of t"
"he simulation time (1.5 s), the system has attained its steady-state. The fin"
"al state vector can\nbe saved by previously  selecting 'Workspace I/O/Save to"
" workspace/Final state' in Simulation/Parameters window.\nOnce the simultion "
"is finished save the xFinal variable into xInitial.   \n\nNote : The initial "
"conditions state vector xInitial to start with wm = 120 rad/s and Te = 5 N.m "
"is stored in the psbdcdrive_init.mat file.  \n\nReplace the constant wref and"
" TL blocks by the two Simulink step functions with different starting times."
"\n(Refence speed wref changed from 120 to 160 rad/s at t = 0.4 s and load tor"
"que changed from 5 to 25 N.m at  t= 2s)\nSelect  'Workspace I/O/Load from wor"
"k space/Initial state' in Simulation parameters window to load the steady-sta"
"te  vector xInitial.\nRestart the simulation  and observe the drive response "
"to successive changes in speed reference and load torque. "
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	  Name			  "Case study: Chopper-Fed DC Motor Drive"
	  Position		  [19, 22]
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	  Name			  "The DC motor is fed by the DC source throug"
"h a chopper which consists of GTO thyristor Th1\nand free-wheeling diode D1. "
"The motor drives a mechanical load characterized by inertia J, friction\ncoef"
"icient B, and load torque TL.\n\nThe hysteresis current controller compares t"
"he sensed current with the reference and generates \nthe trigger signal for t"
"he GTO thyristor to force the motor current to follow the reference.      \nT"
"he speed control loop uses a proportional-integral controller which produces "
"the reference for the current loop.\nCurrent and Voltage Measurement blocks p"
"rovide signals for visualization purpose.           "
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	Annotation {
	  Name			  "H. Le-Huy (Universit