Patents for air suspension bearing startup control method, device and system are under review
Recently, the State Intellectual Property Office disclosed a patent application submitted by Zhuhai Gree Electric Appliances Co., Ltd. The patent is called "Air suspension bearing startup control method, device and system", the publication number is CN 119787883 A, and the application time is December 2024. This technology aims to improve the stability and reliability of air suspension bearings during the startup phase.
The patent content shows that the core of this technology lies in an innovative control method involving data acquisition and processing. Specifically, the system monitors the current changes of the air suspension motor, the bearing load, and the DC bus voltage of the inverter unit in real time. By analyzing these parameters, the system can determine whether a startup operation is required and dynamically adjust the motor speed during the startup process while maintaining the stability of the DC bus voltage, thereby effectively avoiding problems such as power mutations or voltage fluctuations. This design significantly improves the success rate of air suspension bearing startup and the smoothness of operation.
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