Elevator system

Details Elevator system Elevator system

B - Operations, Transporting

66

B

364/34

B66B 1/28 (2006.01) B66B 1/16 (2006.01)

Patent

CA 1220579

21 49,750 ABSTRACT OF THE DISCLOSURE An elevator system which generates a landing speed pattern having the advantages of both digital and analog based patterns, without the disadvantages of eith- er, by generating a landing speed pattern which is a digital, i.e., absolute position, and analog composite. The absolute position of the elevator car in the landing zone of a target floor is detected at only a few points on each side of floor level, and an absolute pattern value is stored in memory for each such point. The stored speed pattern values are retrieved as the car arrives at each absolute position point and used for establishing the landing speed pattern, with the last such value being modified to provide a continuous pattern which smoothly blends with the next stored speed pattern value as the elevator car reaches the next absolute position point.

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