摘要 |
An elevator system having an elevator car and a drive system for operating the elevator car. The drive system is forced to adaptively appear to have a desired transfer function in response to a speed pattern signal. In one embodiment, the speed pattern signal is developed by applying the ideal speed pattern, without lag compensation, to a function which provides a response in accordance with the reciprocal of the desired transfer function. In another embodiment, the speed pattern signal is the ideal speed pattern, with lag compensation, and the reciprocal of the desired transfer function is not required.
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