Opzioni
A hybrid experimental drive concept of permanent magnet linear direct actuator servoed to a ship's hydraulic rudder
2015
Abstract
The use of linear machines (LMs) is increasing in research and industry fields. All kinds of LMs are studied: synchronous, induction, flux switching. Research is leading to overcome the known drawbacks of all these machines. Anyway the use of innovative direct-drive solutions are under study to obtain more efficient energy conversion, such as for marine field. As alternative to classical systems, linear force can be used to obtain a more efficient plant. Hydraulic drives used on board ship to empower rudders, stabilizing fins, anchor winches, etc., are often characterized by low efficiencies, heavy maintenance, frequent oil leaks and large weight and size. To overcome these drawbacks, an oil-free inverter-fed alternative drives can be conceived. In this paper a concept design of full-scale permanent magnet linear synchronous motor directly coupled to a twin rudder on board ship is presented, used as a servo-motor. A complete model of the electro-mechanic-hydraulic system in Simulink environment was built. Several simulations are performed to evaluate the servo-assistance capabilities. The results show the effectiveness of the electromagnetic drive servo-assistance and an increased overall efficiency of the steering gear. This research has been carried out in the framework of the Italian Defence Research National Program for the development of `dual use' technologies.
SCOPUS
Diritti
closed access
Soggetti
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gears
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hydraulic actuators
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hydraulic drives
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invertors
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linear synchronous mo...
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permanent magnet moto...
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ships
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synchronous motor dri...
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Italian Defence Resea...
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electromagnetic drive...
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electromechanichydrau...
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fins stabilization
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hydraulic drive
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linear machines
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oil-free inverter-fed...
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permanent magnet line...
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permanent magnet line...
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servomotor
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ship hydraulic rudder...
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steering gear
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twin rudder
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Gears
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Hydraulic drives
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Direct drive
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efficiency
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fault tolerance
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force-performance
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full-electric drive
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hydraulic drive
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permanent magnet line...
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rudder steering gear
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servo-assistance
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ship
Scopus© citazioni
5
Data di acquisizione
Jun 7, 2022
Jun 7, 2022