数字脉冲电源
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密 惠 保
摘要
数字脉冲电源是为脉冲功率装置的负载提供电磁能量的装置，构成了脉冲功率装置的主体。传统的数字脉冲电源控制系统，对各个测控器件进行单独地控制和管理。因此，该控制系统的集成化和智能化不足，并且存在难以扩展的问题。针对上述控制系统存在的问题，本文提出设计一套新型脉冲电源控制系统的体系结构的方案。这套控制系统以嵌入式控制技术为核心，通过现场总线(CAN)对系统中的测控器件进行集中控制和管理。为脉冲电源的集成化和智能化控制提供一个良好的平台，并很好地解决了系统扩展性问题。
本文从控制系统的总体结构、嵌入式控制板的结构，以及控制应用软件的设计三个方面进行论述。首先，对控制系统的总体结构进行分析。采用现场总线技术(CAN)，将关键测控器件全部接入总线，取代了对各个器件单独控制的方式，从而提高了系统的通信性能，增强了硬件方面的可扩展性;然后，论述了嵌入式控制技术原理，对微控器、外围总线、外围器件的工作原理进行了分析，并提出人机交互界面设计方案;最后，针对控制系统功能需求，设计出一套控制应用软件，实现了充电控制、放电控制、安全保护三大主要功能模块。控制应用软件在仿真测试环境下测试通过，验证算法的正确性和可靠性。本文还论述了软件抗干扰技术特点，对“看门狗”技术进行了分析。进一步，本文结合嵌入式实时操作系统林C/oS一n的特点，讨论了其在控制系统中运用的方法。
关键词:脉冲电源，控制系统，嵌入式系统
Abstract
Digital Pulse power devices for pulsed power load to provide electromagnetic energy devices, constitute the main body of pulsed power devices. The traditional digital pulse power control system, the various monitoring devices to separate the control and management. Thus, the control system of integrated and intelligent inadequate, and there are difficult problems to expand. The control system for the existing problems, the paper proposed to design a new pulse power control system architecture of the programme. The control system with embedded control technology as the core, through the Field Bus (CAN) on the system of monitoring and control devices on the control and management. Pulse power for the integrated intelligent control and provide a good platform and a good system to solve the problem.
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From the overall structure of control systems, embedded control panel structure, and control the design of software applications on three aspects. First, the overall structure of the control system for analysis. Use of fieldbus technology (CAN), will be key to monitoring and control of all access devices bus, to replace the separate control of various devices, thereby improving the system of communication, enhance the hardware aspects of scalability and then discussed Embedded control theory, the Weikong Qi, the external bus, the working principle of peripheral devices for the analysis and human-computer interface design; Finally, the demand for control system functions, design a set of control applications, and The charge control, discharge control, security, protection of the three major functional modules. Control of application software in simulation testing environment through testing to verify the accuracy and reliability of algorithms. This paper also discusses the technical characteristics of anti-jamming software, the "watchdog" technology for the analysis. Further, the paper embedded with real-time operating system Lin C / oS the characteristics of an n, to discuss its control system in the use of the method.
Key words: pulse power, control systems, embedded systems
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