采用apdl语言在有限元分析软件中做结构优化，以液压缸为例-Structure Optimization of the Hydraulic Cylinder in Underwater Skirt Pile Gripper of Offshore Oil Platform

TMS320F2812型DSP的位置式PID代码，通过驱动板可控制液压缸的伸缩。-TMS320F2812 DSP type position type PID code, can be controlled by the driver board telescopic hydraulic cylinder.