| 嵌入式PLC脉冲信号门槛设定和高速计数的实现 |
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| 引用本文： | 曾晓维,高红亮,黎立,蔡琴.嵌入式PLC脉冲信号门槛设定和高速计数的实现[J].船电技术,2011,31(10):56-59. |
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| 作者姓名： | 曾晓维 高红亮 黎立 蔡琴 |
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| 作者单位： | 1. 湖北师范学院机电与控制科学学院,武汉,435002
2. 湖北师范学院物理与电子科学学院,武汉,435002 |
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| 摘 要： | 本文从实际应用出发，通过使用单片机内部计数／定时器和可编程技术器阵列PCA，兼顾低速输入信号的稳定性和高速信号的实时性，重点阐述一种能对输入信号有效脉冲宽度限定以及高速A、B相脉冲计数的PLC基本功能的开发方法。
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| 关 键 词： | 嵌入式PLC 有效脉冲宽度限定 AB相脉冲高速计数 |
Embedded PLC Pulse Signal Threshold Setting and Achieving High-speed Counting |
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| Zeng Xiaowei,Gao Hongliang,Li Li,Cai Qin.Embedded PLC Pulse Signal Threshold Setting and Achieving High-speed Counting[J].Marine Electric & Electronic Technology,2011,31(10):56-59. |
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| Authors: | Zeng Xiaowei Gao Hongliang Li Li Cai Qin |
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| Institution: | 1 (1.Institute of Electrical and Control Science,Hubei Normal University,Wuhan 435002,China;2.Institute of Physics and Electronics,Hubei Normal University,Hubei 435002,China) |
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| Abstract: | From the practical application, by using the microcontroller internal counter / timer and programmable technology array PCA, the stability of both low-speed input signal in real time and high-speed signals and focuses on an input signal can limit the effective pulse width and high-speed A~ B phase pulse counting method of developing the basic functions of PLC. |
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| Keywords: | embedded PLC effective pulse width limit high-speed A/B phase pulse counting |
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