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The global demand for electric vehicles is increasing exponentially; on the contrary, the demand for the efficient drive motor control also paved a path for advanced motor control algorithms for smoother and dynamic control of modern-day motors. The work presented in this chapter discusses about the controller specifically designed using the Super-Twisting algorithm incorporated with Integral Sliding Mode Observer (ST-ISMO), designed for Permanent Magnet Synchronous Motors (PMSMs). Addressing the limitations of traditional Proportional Integral (PI) controllers, the proposed ST-ISMO incorporates an enhanced sliding mode observer (SMO) with ST algorithm for mitigating chattering issues, which are most unavoidable effects in PMSM motor control. In addition, for addressing the issues associated with disturbances in the circuit of motor drive system both internal and external, an Extended State Observer (ESO)-based disturbance estimator is designed and incorporated into the proposed controller. The proposed controller is validated in MATLAB software, and the simulation results indicate that the ST-ISMO offers superior accuracy in control algorithm, speed ripples were minimized, and proposed controller settles the speed ripples within milliseconds time, when contrasted with traditional controllers.

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Enhanced Integral Sliding Mode Observer Integrating Super-Twisting Algorithm for Precision Control of PMSM in EV Drivetran

  • 会议论文

  • 发表日期：

    2025年

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  • Uppalapati Sudheer Kumar,
  • Sukanta Halder,
  • Naveen Yalla,
  • Nilanjan Das,
  • S. K. Bittu,
  • Anand Kumar

摘要

The global demand for electric vehicles is increasing exponentially; on the contrary, the demand for the efficient drive motor control also paved a path for advanced motor control algorithms for smoother and dynamic control of modern-day motors. The work presented in this chapter discusses about the controller specifically designed using the Super-Twisting algorithm incorporated with Integral Sliding Mode Observer (ST-ISMO), designed for Permanent Magnet Synchronous Motors (PMSMs). Addressing the limitations of traditional Proportional Integral (PI) controllers, the proposed ST-ISMO incorporates an enhanced sliding mode observer (SMO) with ST algorithm for mitigating chattering issues, which are most unavoidable effects in PMSM motor control. In addition, for addressing the issues associated with disturbances in the circuit of motor drive system both internal and external, an Extended State Observer (ESO)-based disturbance estimator is designed and incorporated into the proposed controller. The proposed controller is validated in MATLAB software, and the simulation results indicate that the ST-ISMO offers superior accuracy in control algorithm, speed ripples were minimized, and proposed controller settles the speed ripples within milliseconds time, when contrasted with traditional controllers.