DocumentCode
1386336
Title
Delayless acceleration measurement method for elevator control
Author
Väliviita, Sami ; Ovaska, S.J.
Author_Institution
Inst. of Power Electron., Helsinki Univ. of Technol., Espoo, Finland
Volume
45
Issue
2
fYear
1998
fDate
4/1/1998 12:00:00 AM
Firstpage
364
Lastpage
366
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
Keywords
acceleration control; acceleration measurement; lifts; polynomials; signal processing; acceleration control; acceleration curve; curve fitting; delayless acceleration measurement method; digital filters; elevator control; piecewise polynomial; polynomial prediction; polynomial predictive differentiator; prediction methods; velocity signal differentiation; Acceleration; Accelerometers; Angular velocity; Delay estimation; Digital filters; Elevators; Feedback; Low pass filters; Polynomials; Sampling methods;
fLanguage
English
Journal_Title
Industrial Electronics, IEEE Transactions on
Publisher
ieee
ISSN
0278-0046
Type
jour
DOI
10.1109/41.681239
Filename
681239
Link To Document