An elevator system (2) comprises: a hoistway (14) extending between a plurality of landing zones (6, 8, 9); at least one elevator car (12) configured for moving along the hoistway (14); at least one positional sensor (24, 26, 63, 83, 93) arranged at a defined position within the hoistway (14); a speed and/or acceleration sensor (25), which is configured for determining current speed and/or acceleration information of the at least one elevator car (12) within the hoistway (14); and an elevator controller (28), which is configured for: A) calculating current positional information of the at least one elevator car (12) within the hoistway (14) from the speed and/or acceleration information; B) checking the validity of the speed and/or acceleration information; C) in case the speed and/or acceleration information is determined as being valid: operating the elevator system (2) based on the calculated positional information; D) in case the speed and/or acceleration information is determined as not being valid: D1) starting a timer; D2) controlling the at least one elevator car (12) to run by the at least one positional sensor (24, 26, 63, 83, 93) for re-calibrating the positional information of the at least one elevator car (12); and D3) stopping any operation of the elevator system (2), in case the at least one elevator car (12) has not run by the at least one positional sensor (24, 26, 63, 83, 93) within a predetermined period of time from starting the timer.
ELEVATOR SYSTEM AND METHOD FOR CONTROLLING AN ELEVATOR SYSTEM
AUFZUGSANLAGE UND VERFAHREN FÜR STEUERUNG EINER AUFZUGSANLAGE
SYSTÈME D'ASCENSEUR ET PROCÉDÉ POUR CONTRÔLER UN SYSTÈME D'ASCENSEUR
2020-09-16
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |
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