Description: Design SCM system intends to realize electronic speed belt scale this system use weighing sensor measurement conveyor belt effective weighing section on the weight of the materials, and the measured gravity converted into corresponding analog voltage signal, the amplifier amplification, the A/D convert digital quantity and the same time, speed sensor will belt speed conversion for counting pulse shaping after 2 road signals are sent to the C8051F410 calculation processing, get the current belt scale of instantaneous flow rate value, the instantaneous flow integral for A period of time inside of cumulative weight instantaneous flow and A given flow object, using PID algorithm, output control signal control frequency converter to change motor speed, which can realize the flow of closed loop control this part need to design 2 road signal input channel, respectively weighing sensor analog signal
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pidaicheng.c
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