以一台振动筛的故障处理为例，说明振动机械的激振与运动特点、调整原理及其应用。
Take the fault handling of one vibrating screen as an example, the excitation, movement characteristics, adjusting theory and application of the vibrating machine has been explained.
通过自主开发的以数字信号处理器为核心的实验平台进行了功能验证，实现了永磁同步电机无机械冲击和最大转矩启动。
Verify the functions through the test platform developed by our team, which takes the DSP processor as the core to realize PMSM start-up at maximum torque and without mechanical impact.
为了进一步提高其机械性能，以满足全自动键合机的生产要求，采用超声熔体处理技术细化连铸坯晶粒。
High intensity ultrasonic treatment is used to refine the grains, for improve the mechanism property and content the require automatism production.
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