Robust control of servo-systems with induction motors

We develop a control law for induction motors to ensure the constant volts per hertz operational principle from closed-loop perspectives. The constant volts per hertz concept has been researched from open-loop standpoints, and beneficial advantages of V/f control have not been utilized. To ensure a spectrum of advantages, offered by the constant volts per hertz concept, a controller is designed. This paper offers a nonlinear feedback mappings framework, and nonquadratic Lyapunov functions are used to stabilize electric drives and servos under time-varying norm-bounded parameters. These innovations allow one to design state-of-the-art electromechanical motion devices which utilize the full efficiency of induction motors with the bounded control (phase voltages), admissible disturbances (rated load torques), and inherent uncertainties (parameter variations). Our approach supports previous activity and motivates promising innovative developments in control of induction motors