Research on motor active short control in dual motor hybrid system

The research significance of this paper lies in the design of a guiding current for entering the ASC, aiming to prevent overcurrent phenomena during entry. This paper introduces a technique for implementing the active short-circuit function of the electric drive system's software request guidance current control, based on the functional safety considerations of new energy vehicle electric drive systems. The research methodology employs a comparative testing approach, conducting separate experiments to examine the effects of diverting current away from the ASC and directing it into the ASC. Through algorithmic optimization, the amplitude of the <strong><i>i</i></strong>_<i>d</i> current has been gracefully diminished from 600A to 440A, while the <i><strong>i</strong></i>_<i>q</i> current's amplitude has been elegantly reduced from 200A to 100A upon entering ASC mode. The practicality of the proposed control algorithm was confirmed through in-vehicle testing.