Preliminary Thermal Evaluation of Actuator for Steer-by-Wire Vehicle

• Published in: IEEE transactions on vehicular technology Vol. 67; no. 12; pp. 11468 - 11474
• Main Authors: Rasid, M. A. H., Abdullah, Nurul Fatimah, Mohmad Sairaji, Muhamad Imran, Razali, Akhtar Razul, Peeie, Heerwan, Ishak, M. Izhar, Ospina, Alejandro, Lanfranchi, Vincent
• Format: Journal Article
• Language: English
• Published: New York IEEE 01-12-2018; The Institute of Electrical and Electronics Engineers, Inc. (IEEE); Institute of Electrical and Electronics Engineers
• Subjects: Actuators; Automobile industry; Automotive electronics; Automotive engineering; automotive test cycle; Data models; Drive by wire; Electric power; Electrification; Electromagnetism; Engineering Sciences; Insulation; Mapping; Mathematical models; Product design; Prototypes; Reluctance machinery; Road traffic; SRM; Steer by wire (SBW); Steering; synchronous reluctance machine (Syncrel); Temperature effects; Thermal analysis; thermal behavior; Torque; Winding; Windings; automotive test cycle; thermal behavior; Steer by wire (SBW); synchronous reluctance machine (Syncrel); SRM
• ISSN: 0018-9545; 1939-9359
• DOI: 10.1109/TVT.2018.2872882

Automotive industry is moving toward the electrification of the steering system due to efficiency and active safety integration concerns. Studies on actuators for steer-by-wire (SBW) application is very limited, and no thermal effects on the actuator related to utilization in the SBW have yet been looked into. Using a valid thermal model, and steer torque data collected from a journey mapping, a temperature profile of a prototype synchronous reluctance machine (Syncrel) has been established as if it was utilized as SBW actuator to verify the thermal robustness of the machine in that particular application. The maximum temperature in the winding is shown to not exceed the limit temperature for the winding insulation if the winding resistance can be divided by half of the current resistance in the prototype machine, thus, allowing us to consider Syncrel as another actuator solution for the SBW.