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Dr. JEAN-CLAUDE MIPO, R&D, VALEO EEM
During this last decade, the engine audible noise was drastically reduced, especially ată€€low speed. In order to improve the comfort of driver, car makers imposed newă€€requirements concerning theaudible noise of all equipments in the car.ă€€We have to reduce the magnetic audible noise of alternators, which are claws poleă€€machines. The aim of our study is to find the parameters which can influence on theă€€noise. In this paper, we focused on the claws shape . Using a DOE (Design Ofă€€experiment) method, we optimized the claws shape in order to minimize the noise.