lvb Posted August 21, 2006 Report Share Posted August 21, 2006 I was wondering if anyone here could share some advice about closed loop control with or without the NI PID Toolkit in LabVIEW. I have an analog output replacing a potentiometer on a current control module. Previously the current draw potentiometer was set on the current control module to a value between 0-100 (reading on front of pot). If the operator set the value to "50"... as temperature and other factors changed, the machine would drift and the current draw setting on the pot (0-100 range) would no longer be valid. I would like to control an analog output (0-10V) to maintain a constant current draw in the system. The feedback is from an analog input via a torque sensor. The frequency of the control is on a cycle basis (once a minute). Any advice? Thanks! Quote Link to comment
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