“…Robots were equipped with a wide variety of different sensors, such as RFID [14,123,124,125,44], video cameras [77,96,126,34,10,88,50,112,35], infrared and light sensors [77], smoke sensors [11], temperature and gas [119,8], temperature, humidity and light sensors [98], medical sensors [6,7,44], accelerometers and gyros [41,61], occupancy [23] and infrared sensors [43,77,96]. GPS receivers were also installed in many robots for localization and navigation [34,125,41,65,47,63,29].…”