Setting of adjustment parameters for automatic control of crusher load

Whether the adjustment of the automatic control system is stable, whether the error between the target value and the actual value of the control meets the requirements of the process index, and when there is interference, whether the transition process time is short. These are the main indicators to measure the quality of the automatic control system. The tuning parameters are set in order to achieve the best control effect of the automatic control system. The adjustment parameters mainly include control cycle, P (proportional coefficient), I (integral coefficient) and D (differential coefficient). NUX China Feed Industry Information Network - based on feed, serving animal husbandry

1. Control cycle setting: When the controlled object is determined, the pure lag time can be measured by the stopwatch. The setting of the control cycle is mainly based on the pure lag time. From the perspective of system stability, it is desirable that the pure lag time is as short as possible, which is advantageous for quickly eliminating the static difference of the system. However, for purely lagging control objects, rapid control causes instability of the system and, in severe cases, oscillation. By measuring, the actuators are configured with different actuators, and their pure lag time is also different. The pure lag time of the electromagnetic vibrating feeder and the pneumatic diaphragm regulating valve is generally 3 seconds; the pure lag time of the auger feeding is generally 5 seconds. The longer the auger, the longer its pure lag time. In order to control the versatility of the controller, the controller control cycle is required to be set in the range of 2 to 7 seconds. NUX China Feed Industry Information Network - based on feed, serving animal husbandry

2. PID parameter setting: How to adjust to get the best control effect of the system, PID parameter setting is the key. In order to explain the problem more, the control curve can be analyzed by the graphic method. NUX China Feed Industry Information Network - based on feed, serving animal husbandry

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