Wide-Speed Range Sensorless Control of Five-Phase PMSM Drive under Healthy and Open Phase Fault Conditions for Aerospace Applications

Ihab Assoun, Lahoucine Idkhajine (), Babak Nahid-Mobarakeh, Farid Meibody-Tabar, Eric Monmasson and Nicolas Pacault
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Ihab Assoun: Laboratory of Systems & Applications of Information & Energy Technologies (SATIE), CY Cergy Paris Université, 95000 Cergy, France
Lahoucine Idkhajine: Laboratory of Systems & Applications of Information & Energy Technologies (SATIE), CY Cergy Paris Université, 95000 Cergy, France
Babak Nahid-Mobarakeh: McMaster Automotive Resource Centre (MARC), McMaster University, Hamilton, ON L8S 4L8, Canada
Farid Meibody-Tabar: Laboratory of Energetics, Theoretical and Applied Mechanics (LEMTA), University of Lorraine, 54000 Nancy, France
Eric Monmasson: Laboratory of Systems & Applications of Information & Energy Technologies (SATIE), CY Cergy Paris Université, 95000 Cergy, France
Nicolas Pacault: Aerospace Business Unit, WATT & WELL S.A.S., 91300 Massy, France

Energies, 2022, vol. 16, issue 1, 1-18

Abstract: This paper presents a speed sensorless control of a five-phase PMSM in healthy operation and under the Open-Phase Fault on any phase of the machine. The solution is recommended for mission-critical applications requiring high reliability capacities, such as Aerospace applications. An adapted Active Fault Tolerant Control is proposed with the aim of obtaining electromechanical torque as close as possible to that normally developed by a machine working in healthy condition. In instances of a loss of power to one phase of the machine, a reconfiguration of the control law is performed to ensure the continuity of service and to maintain acceptable control performances without requiring a hardware rearrangement of the power architecture. The motor rotation speed and position, required for the Field Oriented Control (FOC) of the stator currents, are estimated using a Back-Electromotive Forces (Back-EMF) observer based on a mathematical model of the motor and implemented in the stator diphase reference frame. Different electrical models that describe the behavior of the five-phase machine in the normal and degraded operations are given. Experimental results on a 1.25 kW synchronous PM machine are shown to confirm the effectiveness of the motor control.

Keywords: fault tolerant control; motor sensorless control; five-phase PMSM drives; Field Oriented Control; back-EMF; systems reliability (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2022
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