【摘要】 传感技术是智能机器人的关键技术之一。介绍了机器人接近觉传感技术中应用最多的传感器—光电式接近觉传感器的常见三种传感机理和国内外研究现状，并简要地预测未来的发展趋势。更多还原

【Abstract】 Sensing technology is one of keys for intelligent robots and electroptical proximity sensor has an important pole in proximity sensors. This paper presents the three common sensing mechanisms and their study at home and abroad nowadays. In comclusion, the main developing trend is forecasted.更多还原