A Pre-Sizing Method for Salient Pole Synchronous Reluctance Machines with Loss Minimization Control for a Small Urban Electrical Vehicle Considering the Driving Cycle

In this paper, a design methodology for synchronous reluctance machines (SynRM) working with variable torque and speed profiles was presented. Unlike conventional solutions which size the machine considering a reduced number of working points in order to reduce the computation time, the solution pro...

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Bibliographic Details
Published in:Energies (Basel) 2022-12, Vol.15 (23), p.9110
Main Authors: Bernard, Nicolas, Dang, Linh, Moreau, Luc, Bourguet, Salvy
Format: Article
Language:English
Subjects:
Algorithms
co-design optimization
Computing time
Design and construction
Design optimization
Driving ability
driving cycle
electric vehicle
Electric vehicles
Engineering Sciences
Finite element analysis
Genetic algorithms
Mathematical optimization
Reluctance machinery
Reluctance motors
SynRM
Two dimensional analysis
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Summary:In this paper, a design methodology for synchronous reluctance machines (SynRM) working with variable torque and speed profiles was presented. Unlike conventional solutions which size the machine considering a reduced number of working points in order to reduce the computation time, the solution proposed in this paper takes into account all the points which allow for better management of the constraints along the cycle to avoid an oversizing of the machine. To solve this problem with a reduced computation time, the geometry of the motor as well as the control strategy were optimized in two steps. In the first step, the d-q axis stator currents were analytically expressed. In the second step, the geometry was optimized with the use of a genetic algorithm. As an application of this method, the case of a small and low-cost electric vehicle (EV) was chosen with the objective of minimizing both the mass and the energy lost for the standardized urban dynamometer driving schedule (UDDS). The method was based on the use of a 1-D analytical model which was validated by a 2D finite element analysis (FEA).
ISSN:1996-1073
1996-1073
DOI:10.3390/en15239110