Nonlinear optimal control for ship propulsion with the use of an induction motor and a drivetrain

Gerasimos Rigatos; Krishna Busawon; Dimitrios Serpanos; Vasilios Siadimas; Pierluigi Siano; Masoud Abbaszadeh

doi:10.1051/matecconf/201818805007

Nonlinear optimal control for ship propulsion with the use of an induction motor and a drivetrain

Gerasimos Rigatos, Krishna Busawon, Dimitrios Serpanos, Vasilios Siadimas, Pierluigi Siano, Masoud Abbaszadeh

Research output: Contribution to journal › Conference article › peer-review

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Abstract

A nonlinear optimal (H-infinity) control method is proposed for an electric ship's propulsion system that consists of an induction motor, a drivetrain and a propeller. The control method relies on approximate linearization of the propulsion system's dynamic model using Taylor-series expansion and on the computation of the state-space description's Jacobian matrices. The linearization takes place around a temporary equilibrium which is recomputed at each time-step of the control method. For the approximately linearized model of the ship's propulsion system, an H-infinity (optimal) feedback controller is developed. For the computation of the controller's gains an algebraic Riccati equation is solved at each iteration of the control algorithm.The stability properties of the control method are proven through Lyapunov analysis,

Original language	English
Article number	05007
Journal	MATEC Web of Conferences
Volume	188
DOIs	https://doi.org/10.1051/matecconf/201818805007
Publication status	Published - 7 Aug 2018
Event	5th International Conference of Engineering Against Failure, ICEAF-V 2018 - Chios, Greece Duration: 20 Jun 2018 → 22 Jun 2018

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SDG 7 Affordable and Clean Energy

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matecconf_iceaf-v2018_05007Final published version, 463 KBLicence: CC BY

Cite this

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title = "Nonlinear optimal control for ship propulsion with the use of an induction motor and a drivetrain",

abstract = "A nonlinear optimal (H-infinity) control method is proposed for an electric ship's propulsion system that consists of an induction motor, a drivetrain and a propeller. The control method relies on approximate linearization of the propulsion system's dynamic model using Taylor-series expansion and on the computation of the state-space description's Jacobian matrices. The linearization takes place around a temporary equilibrium which is recomputed at each time-step of the control method. For the approximately linearized model of the ship's propulsion system, an H-infinity (optimal) feedback controller is developed. For the computation of the controller's gains an algebraic Riccati equation is solved at each iteration of the control algorithm.The stability properties of the control method are proven through Lyapunov analysis,",

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AU - Rigatos, Gerasimos

AU - Busawon, Krishna

AU - Serpanos, Dimitrios

AU - Siadimas, Vasilios

AU - Siano, Pierluigi

AU - Abbaszadeh, Masoud

PY - 2018/8/7

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N2 - A nonlinear optimal (H-infinity) control method is proposed for an electric ship's propulsion system that consists of an induction motor, a drivetrain and a propeller. The control method relies on approximate linearization of the propulsion system's dynamic model using Taylor-series expansion and on the computation of the state-space description's Jacobian matrices. The linearization takes place around a temporary equilibrium which is recomputed at each time-step of the control method. For the approximately linearized model of the ship's propulsion system, an H-infinity (optimal) feedback controller is developed. For the computation of the controller's gains an algebraic Riccati equation is solved at each iteration of the control algorithm.The stability properties of the control method are proven through Lyapunov analysis,

AB - A nonlinear optimal (H-infinity) control method is proposed for an electric ship's propulsion system that consists of an induction motor, a drivetrain and a propeller. The control method relies on approximate linearization of the propulsion system's dynamic model using Taylor-series expansion and on the computation of the state-space description's Jacobian matrices. The linearization takes place around a temporary equilibrium which is recomputed at each time-step of the control method. For the approximately linearized model of the ship's propulsion system, an H-infinity (optimal) feedback controller is developed. For the computation of the controller's gains an algebraic Riccati equation is solved at each iteration of the control algorithm.The stability properties of the control method are proven through Lyapunov analysis,

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Nonlinear optimal control for ship propulsion with the use of an induction motor and a drivetrain

Abstract

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