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提出了新型级差活塞新结构——浮动活塞。通过分析其碰撞过程、电动机的启动特性和压缩机启动压力的建立过程，得到了适当的数学模型，据此模拟分析新型级差活塞启动过程的运动，得到了发生碰撞时气缸内最小压力及第一轮碰撞的应力，为进一步研究和工程上采用浮动活塞提供理论依据。
Proposed a new type of differential piston new structure - floating piston. By analyzing the process of collision, the start-up characteristics of the motor and the process of compressor start-up pressure, a suitable mathematical model was obtained, through which the movement of the new differential piston was simulated and the minimum pressure in cylinder and The stress of wheel collision provides the theoretical basis for further research and engineering use of floating piston.