Hardware design of a street lighting control system with vehicle and malfunction detection

L. Alexandru, P. Valentin
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引用次数: 7

Abstract

This paper presents the hardware development of a street lighting monitoring and control system. The system consists of the JN5148 wireless transceiver, the dimming circuit that uses a PWM (Pulse Width Modulation) signal, the vehicle detection circuit and the circuit for detecting potential malfunctions. One way to achieve vehicle detection is the integration of a PIR sensor (Passive Infrared Sensor) into the system. Another way to detect vehicles is the integration of a sensor that uses the Doppler effect. The results obtained show that the Doppler sensor helps reduce false alarms detected by the PIR sensor, having immunity to temperature variations in the operating environment and a greater detection range of over 20m. Another aspect that has been analyzed is the circuit for the detection of possible malfunctions that are reported to the control center, thereby helping to reduce maintenance costs.
具有车辆和故障检测功能的路灯控制系统的硬件设计
本文介绍了一种路灯照明监控系统的硬件开发。该系统由JN5148无线收发器、采用PWM(脉宽调制)信号的调光电路、车辆检测电路和潜在故障检测电路组成。实现车辆检测的一种方法是将PIR传感器(被动红外传感器)集成到系统中。另一种探测车辆的方法是集成一个利用多普勒效应的传感器。结果表明,多普勒传感器有助于减少PIR传感器检测到的虚警,对工作环境的温度变化具有免疫力,探测距离大于20m。本文分析的另一个方面是用于检测可能出现的故障并将其报告给控制中心的电路,从而帮助降低维护成本。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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