Performance Indices in Control System- ISE,IAE,ITSE,ITAE

When we design a control system for a physical process, one or more parameters are to be selected to give the best performance. For this purpose, a measure known as Performance Indices is used. The usual criteria for performance index are given using 4 expressions which are the function of an…


Transfer function

Transfer function Definition A transfer function is expressed as the ratio of Laplace transform of output to the Laplace transform of input assuming all initial condition to be zero. Consider a system whose time domain block diagram is where, r(t) = input and c(t) = output Now taking Laplace transform…


Control System Basics

Our daily activities are getting automated every day. Control System plays an important role in making our life automated and modernised. A microwave, refrigerator, an air conditioner, a geezer, an automatic iron, are some examples of a control system. Many engineering fields use control system principle in many applications. System…


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