AC-DC propulsion system的用法和样例：
- The propulsion system consists of five F-1 engines.
- In the system,Intel 80C196MC is used as control center and IPM is used as an intelligent power device in the main circuit of AC DC AC voltage type inverter.
- The axial-flux sandwich-type dc brushless motor, featuring compactness, low weight, and high efficiency, have become an alternative for the propulsion system of EVs.
- Propulsion system selection criteria and mission analysis are introduced.
- DC motor speed to achieve the first to convert AC DC, which requires rectification circuit.