ืืืืืฆืื
ืืื ืืงืจื ืืืขืื ืกืืืจ: ืืืกืืก ืืืืืืืฆืื ืืืืจื ืืช
We hear the term โclosed-loop controlโ all the timeโespecially in automation, motion control, and servo systems. But what does it actually mean? And more importantlyโฆ why do engineers care so much about whether a system is open-loop or closed-loop? At its core, closed-loop control is a simple idea: measure what happened, compare it to what you wanted, and automatically correct the input to hold a desired setpoint. That feedback step is what turns a โset it and hopeโ process intoโฆ
