on CAE, control theory, machine learning, robotics, and integrated circuits. Research on efficient system development and operation platform for next generation power electronics
Highly efficient development and operation methods of low noise, low loss, compact, and reliable power systems will be the key driver for the next generation of power electronics in the era of motorized society, dispersed power sources, robotics and mechatronical integration. There are powerful front-loading/digitization schemes to realize those, such as MBD and digital twin, but their accuracy and feasibility are still limited. They are essential to adapt and be improved based on appropriate observations of the real systems. It can be realized by several characterization schemes, adaptive control schemes and IoT/AI technologies, but there is no unified platform targeting real specific power electronics systems.
Description of Research
This research focuses on a specific power electronics system around Toshiba as a model case and generates a platform through combining Toshiba's several technology layers. The research contributes to the power electronics related business through providing optimum system architecture, new development process, operation, maintenance and management plans. For example, in the system design, this research standardizes the design process including IPM, controller IC, and noise characterization technology which complement the incomplete MBD, and achieve both the shortest design turn-around-time (TAT) and the best system performance. Also in the system operations, the aging performance deteriorations and their variations are difficult to predict in the design process are detected by IoT and AI. The results are not only reported to the system operator but also act as feedback to the next system design, and the system reliability is further improved. This research is in the cross research domain, and the chances that the applied researcher is familiar with all the related layers are slim. The Fellowship researcher will pursue research based-on his/her wide, deep knowledge, rich ideas and systematic thinking regardless of one’s major. This research area is likely to be one of the most important ones for the next generation of Toshiba with its wide variety of power electronics businesses. Moreover, Toshiba is the best environment for such research activity considering the existence of all the related layers of power electronics technologies and applications.
Required Knowledge and Skills
Speciality of power electronics, basic knowledge on CAE, control theory, machine learning, robotics, and integrated circuits
 S.Kawai et al.,"A 4.5V/ns Active Slew Rate Control Gate Driver with Robust Discrete Time Feedback Technique for 600V Superjunction MOSFETs," ISSCC2019.