Study of Linear Quadratic Regulator (LQR) Control Method and Its Application to Automatic Voltage Regulator (AVR) System

Olivia Fernaza, Heru Dibyo Laksono


Automatic Voltage Regulator (AVR) play a great role in terminal voltage profile  design process in a generator. Load state changing as dynamic system behavior will change the current flow in the generator system that result in armature voltage and terminal voltage change.

This final project try to make a generator terminal voltage profile control mechanism using Linear Quadratic Regulator method. This method implemented in Automatic Voltage Regulator (AVR)  model system. This Model control system is very cheap because it does not need a complex control mechanism that tends to like PID controller. In Linear Quadratic Regulator (LQR) method decided Q and R weight matrix to gain the optimal control signal from feedback state to raise AVR performance in maintaining system stability.

Keywords : AVR, LQR, Stability, Bandwidth, Settling Time.

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ISSN (Paper)2222-1727 ISSN (Online)2222-2871

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