An improved digital pid controller and its construction method
A construction method and controller technology, applied in the field of PID control, can solve problems such as the inability to achieve precise control of the system, and achieve the effect of simple debugging process, reduced overshoot, and good system stability
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[0041] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0042] The invention provides an improved digital PID controller and its construction method, which is an improved double-closed-loop all-digital PID controller, which can be applied to search and imaging systems, and can be controlled under the premise of ensuring the control accuracy and stability of the servo control system. Effectively improve the tracking accuracy of the system and reduce the overshoot of the system.
[0043] The present invention adopts such as Figure 5 The shown double closed-loop feedback loop realizes the PID control of the system. Firstly, for the controlled system, the non-feedback PID control algorithm is used to control the controlled system; then a proportional and integral link is added to the integral and differential link in the PID control loop, and a proportional integral link is added to the PID control loop. Negativ...
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