简介：AnewandintelligentdesignmethodforPIDcontrollerwithincompletederivationisproposedbasedontheantsystemalgorithm(ASA).ForagivencontrolsystemwiththiskindofPIDcontroller,agroupofoptimalPIDcontrollerparametersK*p,T*i,andT*dcanbeobtainedbytakingtheovershoot,settlingtime,andsteady-stateerrorofthesystem'sunitstepresponseastheperformanceindexesandbyuseofourimprovedantsystemalgorithm.K*p,T*i,andT*dcanbeusedinreal-timecontrol.ThiskindofcontrolleriscalledtheASA-PIDcontrollerwithincompletederivation.ToverifytheperformanceoftheASA-PIDcontroller,threedifferenttypicaltransferfunctionsweretested,andthreeexistingtypicaltuningmethodsofPIDcontrollerparameters,includingtheZiegler-Nicholsmethod(ZN),thegeneticalgorithm(GA),andthesimulatedannealing(SA),wereadoptedforcomparison.ThesimulationresultsshowedthattheASA-PIDcontrollercanbeusedtocontroldifferentobjectsandhasbetterperformancecomparedwiththeZN-PIDandGA-PIDcontrollers,andcomparableperformancecomparedwiththeSA-PIDcontroller.