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Research Article Open Access
The primary aim of this paper is to implement software based (virtual instrumentation) feedback controller in LabVIEW for level control of a tank system. Conventional feedback PID controllers are not efficient in terms of meeting a good transient response and steady state error; hence a cascade methodology is also proposed. The response of the cascade control scheme is compared with that of the PID controller using performance criteria like IAE, ISE and also rise time, peak time, settling time are obtained for both methods using real time data. Both the controllers are implemented using NIcDAQ9138. Finally simulation is also done for the modeled process.
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Author(s): Rishi Raj Saikia, Sandesh Andrade, Veeresh Sangamesh Muttagi
PID, Cascade, IAE, ISE, LabVIEW, cDAQ9138 etc., Digital Signal Processing,Satellite Communication,Diagnosis and Sensing Systems.