Shreelakshmi, M. P. ; Agarwal, Vivek (2014) Dynamic optimization of speed pattern for efficiency improvement in elevator systems In: 2014 IEEE International Conference on Power Electronics, Drives and Energy Systems (PEDES), 16-19 Dec. 2014, Mumbai, India.
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Official URL: http://doi.org/10.1109/PEDES.2014.7041985
Related URL: http://dx.doi.org/10.1109/PEDES.2014.7041985
Abstract
Elevator systems have become an essential part of the current urban society. This paper tries to minimize the losses in an elevator system, thereby increasing the overall system efficiency. The system considered in this paper uses induction machine to drive the elevator. The losses in induction machine are dependent on the rotor speed so, they are minimized by optimizing the instantaneous values of rotor speed. Since rotor speed varies with time, a dynamic optimization technique has to be used. A loss equation is formulated and it is minimized by Pontryagin's Minimum Principle with state variable constraints. The methodology followed and equations obtained are discussed in different sections of this paper. The initial analysis and simulation results are presented in the paper.
| Item Type: | Conference or Workshop Item (Paper) |
|---|---|
| Source: | Copyright of this article belongs to Institute of Electrical and Electronics Engineers. |
| Keywords: | Elevator; Speed Control of Induction Machine; Loss Minimisation; Dynamic Optimisation. |
| ID Code: | 115488 |
| Deposited On: | 24 Mar 2021 10:36 |
| Last Modified: | 24 Mar 2021 10:36 |
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