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Relationship between PID regulated output Uk and PWM duty cycle [Copy link]

This post was last edited by shrxh on 2018-3-26 10:37 The expected function of the program: the motor speed is controlled by the PWM waveform, and the speed is adjusted by PID. Target value: calibrated speed. Feedback value: the actual speed is measured by the sensor. Deviation e=target value-feedback value. Adopt incrementalPID control. How does △Uk obtained by PID adjustment affect the motor speed? Does △Uk affect the duty cycle and then adjust the speed? If so, what is the relationship between △Uk and duty cycle? Is duty cycle = △Uk? Do I need to know the relationship between PWM duty cycle and motor speed when writing a program? Please advise!

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How many closed loops?  Details Published on 2018-3-28 18:31
 

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How many closed loops?
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