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<p>Modern home appliances like dishwashers are engineered considering energy-saving features. This requires enhancing the performance and efficiency of the entire drive system and the correct selection and effective control of the main driving motor to meet industry standards in the white goods market. Permanent magnet synchronous motors (PMSMs), combined with vector control strategy, are selected as the driving system for high-efficiency and high-performance smooth torque control applications. Employing such control techniques needs sensors to detect rotor speed and position, but the consideration of cost and reliability requires the avoidance of using sensors. In this paper, the sensorless field oriented control (FOC) based on a PI strategy, implemented by Whirlpool on a household dishwasher machine, has been experimentally compared with a sensorless FOC based on sliding mode control (SMC). The comparison with the on-board PI controller has shown a significant performance improvement: Both the simulation robustness test and the reported experimental data demonstrate that the proposed solution achieves a better speed trajectory tracking, guaranteeing also a high degree of robustness in the presence of parameter variations and system disturbances.</p>

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Sliding mode sensorless control of a PMSM on a domestic dishwasher: an experimental comparison test with the on-board PI controller

  • 期刊论文

  • 发表日期：

    2025年6月7日

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  • Alessio Beato,
  • Eleonora Brasili,
  • Luigi Fagnano,
  • Rumeysa Nur Gulesin,
  • Gianluca Ippoliti,
  • Laura Moretti,
  • Giuseppe Orlando

摘要

Modern home appliances like dishwashers are engineered considering energy-saving features. This requires enhancing the performance and efficiency of the entire drive system and the correct selection and effective control of the main driving motor to meet industry standards in the white goods market. Permanent magnet synchronous motors (PMSMs), combined with vector control strategy, are selected as the driving system for high-efficiency and high-performance smooth torque control applications. Employing such control techniques needs sensors to detect rotor speed and position, but the consideration of cost and reliability requires the avoidance of using sensors. In this paper, the sensorless field oriented control (FOC) based on a PI strategy, implemented by Whirlpool on a household dishwasher machine, has been experimentally compared with a sensorless FOC based on sliding mode control (SMC). The comparison with the on-board PI controller has shown a significant performance improvement: Both the simulation robustness test and the reported experimental data demonstrate that the proposed solution achieves a better speed trajectory tracking, guaranteeing also a high degree of robustness in the presence of parameter variations and system disturbances.