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WOLFRAM SYSTEM MODELER

ControlCircuit

Control circuit

Diagram

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SystemModel["Modelica.Electrical.Analog.Examples.OpAmps.ControlCircuit"]

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This information is part of the Modelica Standard Library maintained by the Modelica Association.

This is an analog control circuit with operational amplifiers.

Compare the analog solution with the block circuit, e.g. firstOrder2B.y and firstOrder2A.v2.

T1	Value: 0.01 Type: Time (s) Description: Small time constant
T2	Value: 0.01 Type: Time (s) Description: Large time constant
Ti	Value: T2 Type: Time (s) Description: Integral time constant
kp	Value: T2 / (2 * T1) Type: Real Description: Proportional gain

	ground	Type: Ground Description: Ground node
	stepA	Type: StepVoltage Description: Step voltage source
	feedbackA	Type: Feedback Description: Subtracting operational amplifier circuit
	PIA	Type: PI Description: PI controller operational amplifier circuit
	firstOrder1A	Type: FirstOrder Description: Lowpass filter operational amplifier circuit
	addA	Type: Add Description: Adding operational amplifier circuit
	step1A	Type: StepVoltage Description: Step voltage source
	firstOrder2A	Type: FirstOrder Description: Lowpass filter operational amplifier circuit
	stepB	Type: Step Description: Generate step signal of type Real
	feedbackB	Type: Feedback Description: Output difference between commanded and feedback input
	PIB	Type: PI Description: Proportional-Integral controller
	firstOrder1B	Type: FirstOrder Description: First order transfer function block (= 1 pole)
	addB	Type: Add Description: Output the sum of the two inputs
	step1B	Type: Step Description: Generate step signal of type Real
	firstOrder2B	Type: FirstOrder Description: First order transfer function block (= 1 pole)