Overview of Distributed In-Wheel Motor Drive Systems and Reliability Test

The distributed in-wheel motor drive system features a simple mechanical structure, high transmission efficiency, flexible control, and ease of integrated design, making it an inevitable trend in the technological development of electric vehicle drive systems. This paper introduces the structural forms of the in-wheel motor drive system, its current development status, and key technical challenges. It also summarizes the reliability testing of in-wheel motor drive systems and future technological development trends.