How do I solve this problem? Please help me
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1. A PI controller has a proportional gain of 50% and an integral time of 2 minutes, and it is in “positive action” mode. At the beginning, the measurement, the set value, and the output are all at 50%. Then, if the set value is changed to 55%, what will the output become? What will the change be after 2 minutes?
It first changed to 40%, and 2 minutes later it changed to 30%.