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[TRNSYS-users] PID control

 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