| CPLD在直升机操纵台中的应用 |
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| 引用本文： | 胡志琥,贾秋玲. CPLD在直升机操纵台中的应用[J]. 计算机测量与控制, 2009, 17(1): 197-199 |
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| 作者姓名： | 胡志琥 贾秋玲 |
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| 作者单位： | 西北工业大学自动化学院,陕西,西安,710072;西北工业大学自动化学院,陕西,西安,710072 |
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| 摘 要： | 为了满足直升机机载设备的高集成化和高可靠性要求,操纵台电路设计以TMS320F2812作为主控制芯片,ispLSI1048C作为外围主逻辑器件,一同构成整个电路的核心;采用VHDL语言实现了按键信号处理、离散量输入与输出控制以及看门狗等功能,简化了硬件电路设计,提高了系统可靠性,给出了CPLD模块的详细设计,并重点介绍了按键信号处理电路的实现,通过对按键抖动信号的机理分析和常用消抖方法的比较,设计了一款基于有限状态机(FSM)的按键消抖电路,同时介绍了双向总线和看门狗电路的实现;通过仿真和实际应用证明了该设计的有效性。
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| 关 键 词： | 操纵台 CPLD VHDL 消抖 |
Application of CPLD in Helicopter Control Console |
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| Hu Zhihu,Jia Qiuling. Application of CPLD in Helicopter Control Console[J]. Computer Measurement & Control, 2009, 17(1): 197-199 |
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| Authors: | Hu Zhihu Jia Qiuling |
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| Affiliation: | Institute of Automation;Northwestern Polytechnical University;Xi'an 710072;China |
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| Abstract: | To meet the requirements of high integrative and high reliability of helicopter's on-board equipments,in this circuit design of helicopter control console,TMS320F2812 and ispLSI1048C were used as processing chip and major peripheral logic device respectively,consisting the core of the whole circuit.Functions such as key signal processing,control of discrete input/output and watchdog,were realized by using VHDL,which simplified the design of hardware circuit and improved the reliability of the system.The det... |
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| Keywords: | CPLD VHDL |
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