Development & Application of the Acceleration-Based velocity and measuring equipment for Elevators

Akira Tanakadate

Sunday 1st July 2001

It is ruled to measure the elevator velocity periodically in order to monitor and maintain the performance of elevators. The conventional methods, which are done on the car or in the machine room, are not convenient and safe. We have developed Acceleration-Based Velocity Measuring Equipment, which can compute the velocity accurately through integrating the acceleration value detected by an accelerometer. With this device, anyone can measure elevator velocity in the car easily and safely, especially for machine-room-less elevators, by means of the non-contact method. We have applied it to improve the riding comfort adjustment method for hydraulic elevators.

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