[TRNSYS-users] PID control

[廖刚]

Dear Transys users


   I‘m doing a transys cooling system simulation.In my model,i use a PID controller to change the cooling capacity to meet the cooling load.But it oscillate heavily(as 



the picture i pasted below) .I doubt that it maybe caused by the  timestep (0.125 hour) or the PID parameter, If anyone can  help me figure out the problem i colud 



be very appreciated,thanks. 






       best regards 



       Liao Gang


  Central South University
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