Temperature Estimation Using Lumped-Parameter Thermal Network With Piecewise Stator-Housing Modules for Fault-Tolerant Brake Systems in Highly Automated Driving Vehicles

Song, Baik-Kee; Chin, Jun-Woo; Dong-min, Kim; Hwang, Kyu-Yun; Lim, Myung-Seop

doi:10.1109/tits.2021.3091621

Cited by 14 publications

(2 citation statements)

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“…The mass moment of inertia of two squares, air region and PM region were derived from parallel axis theorem (J m,c , J a,c , and J m ) [27]. The mass moment of inertia of the shaft and PM are described as equations ( 18) and (19), where the ρ sh is the density of the shaft, D i is the inner diameter of the rotor and ρ m is the density of the PM.…”

Section: Moment Of Inertiamentioning

confidence: 99%

“…As a result, numerous studies on electric motors for vehicle concentrated on fault tolerance and rapid response. To improve fault tolerance, sensor-less controllability [16], [17] and multiplex winding applications [18], [19] are intensively studied. Otherwise, both design and control approaches are being investigated in order to increase response speed [20], [21].…”

Section: Introductionmentioning

confidence: 99%

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Speed Response Improvement Design of Electric Motor for Vehicle Electrification Based on Electro-Mechanical Analytic Model

Dong-min

Lim

2023

IEEE Access

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According to vehicle electrification trends, the application of electric motors more often occurs. Therefore, in the aspect of the supply instability preparation for rare-earth materials, research on the rare-earth-free motor is getting more attention. Moreover, the electric motor for the vehicles should have not only high power density but also fast response. Especially, electric motors for advanced driver assistant systems (ADAS) or autonomous driving vehicles should have a fast response speed to secure the driver's safety. This paper introduces the electro-mechanical response improvement design of concentrated flux synchronous motors for vehicle electrification. Improvement design is carried out targeting motors for electric power steering (EPS) system. The development of the electro-mechanical analytic (MEA) model of the electric motor is firstly explained. Then, based on the developed MEA model, electro-mechanical response modeling is performed. Finally, the speed response improvement design is conducted using the developed MEA model. In addition, the results are validated not only in finite element analysis but also experimentally.INDEX TERMS Concentrated flux synchronous motor (CFSM), electric power steering (EPS), rare-earth free motor, rise time, settling time, speed response.

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Section: Moment Of Inertiamentioning

confidence: 99%