Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems

The aerospace industry is increasingly transitioning from hydraulic and pneumatic drives to power-electronic based drive systems for reduced weight and maintenance. Electromechanical thrust reverse actuation systems (EM-TRAS) are currently being considered as a replacement for mechanical based TRAS...

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Autores principales:	Cláudio de Andrade Lima, James Cale, Kamran Eftekhari Shahroudi
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	induction machines central converter aerospace volts-per-hertz field-oriented control Technology T
Acceso en línea:	https://doaj.org/article/2b16f1438fab48239bdc58868f980bbc
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spelling	oai:doaj.org-article:2b16f1438fab48239bdc58868f980bbc2021-11-25T17:25:56ZRotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems10.3390/en142274851996-1073https://doaj.org/article/2b16f1438fab48239bdc58868f980bbc2021-11-01T00:00:00Zhttps://www.mdpi.com/1996-1073/14/22/7485https://doaj.org/toc/1996-1073The aerospace industry is increasingly transitioning from hydraulic and pneumatic drives to power-electronic based drive systems for reduced weight and maintenance. Electromechanical thrust reverse actuation systems (EM-TRAS) are currently being considered as a replacement for mechanical based TRAS for future aircraft. An EM-TRAS consists of one or more power-electronic drives, electrical motors, and gear-trains that extend/retract mechanical members to produce a drag force that decelerates the aircraft upon landing. The use of a single (“central”) power electronic converter to simultaneously control a set of parallel induction machines is a potentially inexpensive and robust method for implementing EM-TRAS. However, because the electrical motors may experience different shaft torques—arising from differences in wind forces and a flexible nacelle—a method to implement rotor position synchronization in central-converter multi-motor (CCMM) architectures is needed. This paper introduces a novel method for achieving position synchronization within CCMM architecture by using closed-loop feedback of variable stator resistances in parallel induction machines. The feasibility of the method is demonstrated in several case studies using electromagnetic transient simulation on a set of parallel induction machines experiencing different load torque conditions, with the central converter implementing both voltage-based and current-based primary control strategies. The key result of the paper is that the CCMM architecture with proposed feedback control strategy is shown in these case studies to dynamically drive the position synchronization error to zero. The initial findings indicate that the CCMM architecture with induction motors may be a viable option for implementing EM-TRAS in future aircraft.Cláudio de Andrade LimaJames CaleKamran Eftekhari ShahroudiMDPI AGarticleinduction machinescentral converteraerospacevolts-per-hertzfield-oriented controlTechnologyTENEnergies, Vol 14, Iss 7485, p 7485 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	induction machines central converter aerospace volts-per-hertz field-oriented control Technology T
spellingShingle	induction machines central converter aerospace volts-per-hertz field-oriented control Technology T Cláudio de Andrade Lima James Cale Kamran Eftekhari Shahroudi Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems
description	The aerospace industry is increasingly transitioning from hydraulic and pneumatic drives to power-electronic based drive systems for reduced weight and maintenance. Electromechanical thrust reverse actuation systems (EM-TRAS) are currently being considered as a replacement for mechanical based TRAS for future aircraft. An EM-TRAS consists of one or more power-electronic drives, electrical motors, and gear-trains that extend/retract mechanical members to produce a drag force that decelerates the aircraft upon landing. The use of a single (“central”) power electronic converter to simultaneously control a set of parallel induction machines is a potentially inexpensive and robust method for implementing EM-TRAS. However, because the electrical motors may experience different shaft torques—arising from differences in wind forces and a flexible nacelle—a method to implement rotor position synchronization in central-converter multi-motor (CCMM) architectures is needed. This paper introduces a novel method for achieving position synchronization within CCMM architecture by using closed-loop feedback of variable stator resistances in parallel induction machines. The feasibility of the method is demonstrated in several case studies using electromagnetic transient simulation on a set of parallel induction machines experiencing different load torque conditions, with the central converter implementing both voltage-based and current-based primary control strategies. The key result of the paper is that the CCMM architecture with proposed feedback control strategy is shown in these case studies to dynamically drive the position synchronization error to zero. The initial findings indicate that the CCMM architecture with induction motors may be a viable option for implementing EM-TRAS in future aircraft.
format	article
author	Cláudio de Andrade Lima James Cale Kamran Eftekhari Shahroudi
author_facet	Cláudio de Andrade Lima James Cale Kamran Eftekhari Shahroudi
author_sort	Cláudio de Andrade Lima
title	Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems
title_short	Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems
title_full	Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems
title_fullStr	Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems
title_full_unstemmed	Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems
title_sort	rotor position synchronization in central-converter multi-motor electric actuation systems
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/2b16f1438fab48239bdc58868f980bbc
work_keys_str_mv	AT claudiodeandradelima rotorpositionsynchronizationincentralconvertermultimotorelectricactuationsystems AT jamescale rotorpositionsynchronizationincentralconvertermultimotorelectricactuationsystems AT kamraneftekharishahroudi rotorpositionsynchronizationincentralconvertermultimotorelectricactuationsystems
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Rotor Position Synchronization in Central-Converter Multi-Motor Electric Actuation Systems

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