高能X射线工业CT扫描运动控制系统设计
Design of scanning motion control system for high-energy X-ray industrial CT
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摘要: 分析了高能X射线工业CT扫描运动控制系统的作用，提出了扫描运动控制系统的组成方案。控制系统由工业控制计算机、计数卡、控制卡、伺服驱动器、伺服电机、工作平台、光栅和控制软件组成。研究了在Windows驱动程序模式（WDM）下，控制系统设备驱动程序的组成。以运动控制卡为例，研究了开发控制系统设备驱动程序的方法，并分析了设备驱动程序和用户程序交互的过程。通过编写WDM驱动程序，实现了对高能X射线工业CT扫描运动系统的实时控制。实验结果表明，开发的扫描运动控制系统，可靠性和实时性满足要求。
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关键词:
- 高能X射线 /
- 工业CT /
- 运动控制 /
- Windows驱动程序模式
Abstract: A scanning motion control system was developed for the high-energy X-ray industrial computerized tomography (CT). The system consists of an industrial control computer, a counter card, a control card, servo drivers, servo motors, working platforms, gratings and control software. Based on windows driver model(WDM) mode, the composition of the driver program for the system was studied. Took the motor control card as an example, the method to develop the driver program was researched, and the intercourse process between the device driver program and the user-program was analyzed. The real-time control of the system was implemented using the WDM driver. The real-time performance and reliability of the system can satisfy the requirement of high-energy X-ray industrial CT． -
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