Delayless acceleration measurement method for elevator control
Valiviita, S.
Ovaska, S.J.
Inst. of Power Electron., Helsinki Univ. of Technol., Espoo;
This paper appears in: Industrial Electronics, IEEE Transactions on
Publication Date: Apr 1998
Volume: 45,
Issue: 2
On page(s): 364-366
ISSN: 0278-0046
References Cited: 5
CODEN: ITIED6
INSPEC Accession Number: 5885065
Digital Object Identifier: 10.1109/41.681239
Current Version Published: 2002-08-06
Abstract
Accurate sensing of acceleration could provide improved
performance for elevator control. Acceleration control is, however,
seldom implemented, due to the unsatisfactory results of most
acceleration measurement methods. We propose a polynomial predictive
differentiator which delaylessly differentiates the available velocity
signal. Polynomial prediction is justified, because the acceleration
curve can be modeled accurately by a piecewise polynomial
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