Aiming at the position servo system of NC machining tool, this paper designs a kind of control arithmetic on compound sliding variable structure for its controller.

针对数控机床的位置伺服系统，为其控制器设计了一种复合滑模变结构控制算法。

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It establishes a planar wave acoustic passive localization model, and designs the general structure of the position system using simple passive acoustic sensor arrays.

建立了一种平面波声被动定位模型，利用简易被动声传感器阵列，分析并设计了定位系统的总体结构。

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I have been presiding complete work of enterprise technology management since I took the position and often touch files of engineering project construction organization designs.

笔者任职以来一直主持企业技术管理的全面工作，对工程项目施工组织设计文件接触较多。

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