| 微机控制智能测试系统 |
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| 引用本文： | 施国梁,钱振雄.微机控制智能测试系统[J].系统工程与电子技术,1996(2). |
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| 作者姓名： | 施国梁 钱振雄 |
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| 作者单位： | 苏州大学工学院 |
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| 摘 要： | 本文讨论了一种微机控制智能测试系统，它由一台ＰＣ机与若干单片机构成一个递阶结构的测试系统，主要用于驻极体话简的分档检测。重点论述了一种基于压／频变换器的低成本高精度Ａ／Ｄ转换器，讨论了固定频率下话简信号、工作电流、频率响应及工作电压的测量方法与电路实现。导出了抗工频干扰的滤波算法，介绍了由ＬＥＤ构成的数字显示器结构以及ＰＣ机与多台单片机之间通讯协议的实现。对系统中所用算法也作了说明。
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| 关 键 词： | 计算机控制系统，模数转换器，通讯，单片处理机 |
A Microcontroller-Based Intelligent Measurement System |
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| Shi Guoliang and Qian Zhenxiong.A Microcontroller-Based Intelligent Measurement System[J].System Engineering and Electronics,1996(2). |
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| Authors: | Shi Guoliang and Qian Zhenxiong |
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| Abstract: | Discussed in this paper is a microcontroller-based intelligent measurement system,which consists of a PC and several microcontrollers. The system is constructed in an hierarchical form and can be used in classification of electret microphones. Emphasis is placed on a V/ F converter based low-cost high-accuracy A / D converter. Also discussed are the measurement methods of microphone output signal, current, frequency response, and voltage and their circuit implements.An industrial firequency disturbance resisting algorithm is derived and a LED digital display and its decoding and driving circuits are introduced. At last, the multi-computer communication protocol between PC and microcontrollers are discussed, and the algorithms used in the system is presented. |
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| Keywords: | Intelligent measurement system A / D conversion Multi-computer communication Electret microphone Microcontroller |
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