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In this system an ultrasonic sensor which is mounted on top of elevator door frame, detects the person who pushes the up / down button, then cabin moves to the chosen floor only if he or she stays in the detection zone which
is shown by yellow line thus , this system not only cause less amount of waiting time and depreciation of elevator parts during continuous use but also save a large amount of electricity and related expenses . For children safety
and possible pushing the buttons by children while playing, sensor detects objects taller than 120 cm.
Islamic Azad University
Central Tehran Branch
Tehran, Iran
Soroush Vahidian Kamyar,
Tehran University
Navid Vahidian Kamyar,
Tehran University
Negar Vahidian Kamyar,
Islamic Azad University
