Performance Analysis of Non Linear Field Oriented Controlled Induction Motor Drive for Improved Performance - Effect of Intermittent Loading

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By Research Archive Posted on Jan 4, 2023
In Category - Research
Ekwuribe James Michael, Okoro Christopher Kalu American Journal of Science, Engineering and Technology (Science Publishing Group) 2022
English Nigeria
Abstract
Attempt has been made in previous works to improve the steady state and dynamic performances of the vector controlled induction motor drives. The Input-output (I/O) linearization and decoupling technique which are based on the concepts of differential geometry and vector control has been used in the decoupling of speed or torque from the flux of induction motor drives. This paper investigates the effects of non-linearity on the performance of field oriented control of induction motor drive at intermittent loading, Nonlinear control are better seen implemented in large dynamic systems invoking non linearity. the effects of intermittent loading at no load, full, 10%, 20%, 50% and 80% loading where checked on the speed and electromagnetic torque of the induction motor being controlled, stator current and rotor current were also important parameters affected by non-linearity in control under intermittent loading. The results obtained gave a detailed comparison of the distortions present in motor control when not properly controlled. A comparative study of the system under loading conditions were checked under control for linear and non-linearity. Matlab/Simulink was used to model the induction motor drive and also simulate the dynamic performance of the system as load is being varied. The robustness of Matlab/Simulink was used to enable efficient intermittent loading at various points of the simulation, the data logout tool of Matlab/Simulink were also used for data collection analysis and comparison.
Intermittent Loading FOC, Induction Motor Drive, DQ Axis, Space Pulse Width Modulation

Attempt has been made in previous works to improve the steady state and dynamic performances of the vector controlled induction motor drives. The Input-output (I/O) linearization and decoupling technique which are based on the concepts of differential geometry and vector control has been used in the decoupling of speed or torque from the flux of induction motor drives. This paper investigates the effects of non-linearity on the performance of field oriented control of induction motor drive at intermittent loading, Nonlinear control are better seen implemented in large dynamic systems invoking non linearity. the effects of intermittent loading at no load, full, 10%, 20%, 50% and 80% loading where checked on the speed and electromagnetic torque of the induction motor being controlled, stator current and rotor current were also important parameters affected by non-linearity in control under intermittent loading. The results obtained gave a detailed comparison of the distortions present in motor control when not properly controlled. A comparative study of the system under loading conditions were checked under control for linear and non-linearity. Matlab/Simulink was used to model the induction motor drive and also simulate the dynamic performance of the system as load is being varied. The robustness of Matlab/Simulink was used to enable efficient intermittent loading at various points of the simulation, the data logout tool of Matlab/Simulink were also used for data collection analysis and comparison.

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