Multiphysics Fields Analysis and Optimization Design of a Novel Saucer-Shaped Magnetic Suspension Flywheel Battery

Existing flywheel batteries are still difficult to balance in terms of space layout, decoupling control, and anti-interference ability. In addition, because the flywheel battery system involves multiple physical fields in the design process, if it is not comprehensively analyzed and optimized, the design quality of the flywheel battery system will be significantly reduced. In this study, a novel saucer-shaped vehicle-mounted flywheel battery is proposed, which is characterized by its unique gravity bearing mode, compact structure arrangement, and decoupled magnetic circuit design. First, the structural characteristics and working principle of the new flywheel battery are introduced. Then, when considering the structural design of the flywheel battery, the comprehensive influence of the design parameters on multiple physical fields such as electromagnetic field, structural field, and temperature field is further creatively added to make it have good performance in each physical field to obtain the best design. Finally, performance tests are carried out, and the good experimental results verify the rationality of the prototype and the correctness of the multi-field analysis.