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Infinite time horizon optimal current control of a stepper motor exploiting a finite element model

Infinite time horizon optimal current control of a stepper motor exploiting a finite element model
Infinite time horizon optimal current control of a stepper motor exploiting a finite element model
An optimal control theory based method is presented aiming at minimizing the energy delivered from source and the power loss in a stepper motor circuit. A linear quadratic current regulator with an infinite time horizon is employed and its appropriateness for this type of a problem explained. With the purpose of improving the accuracy of the control system, the self and mutual inductances of windings are calculated using a finite element model. The numerically computed results are verified experimentally.
Optimal control theory, linear-quadratic problem, finite element method
835-841
Bernat, J.
c2cf4203-9809-4710-8792-45faa44f0d70
Stepien, S.
56833d5b-1810-4d84-bb4e-2cabfbcb8e67
Stranz, A.
c1e486ac-0a4c-43c7-8aa7-52476c138956
Szymanski, G.
f0d98d5f-a180-4833-b8c1-126f2e05d95b
Sykulski, J.K.
d6885caf-aaed-4d12-9ef3-46c4c3bbd7fb
Bernat, J.
c2cf4203-9809-4710-8792-45faa44f0d70
Stepien, S.
56833d5b-1810-4d84-bb4e-2cabfbcb8e67
Stranz, A.
c1e486ac-0a4c-43c7-8aa7-52476c138956
Szymanski, G.
f0d98d5f-a180-4833-b8c1-126f2e05d95b
Sykulski, J.K.
d6885caf-aaed-4d12-9ef3-46c4c3bbd7fb

Bernat, J., Stepien, S., Stranz, A., Szymanski, G. and Sykulski, J.K. (2014) Infinite time horizon optimal current control of a stepper motor exploiting a finite element model. Bulletin of the Polish Academy of Sciences; Technical Sciences, 62 (4), Winter Issue, 835-841. (doi:10.2478/bpasts-2014-0092).

Record type: Article

Abstract

An optimal control theory based method is presented aiming at minimizing the energy delivered from source and the power loss in a stepper motor circuit. A linear quadratic current regulator with an infinite time horizon is employed and its appropriateness for this type of a problem explained. With the purpose of improving the accuracy of the control system, the self and mutual inductances of windings are calculated using a finite element model. The numerically computed results are verified experimentally.

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More information

Published date: 10 December 2014
Keywords: Optimal control theory, linear-quadratic problem, finite element method
Organisations: EEE

Identifiers

Local EPrints ID: 372676
URI: http://eprints.soton.ac.uk/id/eprint/372676
PURE UUID: 782a1ea3-cda9-49cd-a211-9561db266ef4
ORCID for J.K. Sykulski: ORCID iD orcid.org/0000-0001-6392-126X

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Date deposited: 11 Dec 2014 17:59
Last modified: 24 Sep 2019 01:00

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