EPE Association: EPE-PEMC 2000 - Topic 08b: Linear Motors and Drives

EPE-PEMC 2000 - Topic 08b: Linear Motors and Drives
You are here: EPE Documents > 04 - EPE-PEMC Conference Proceedings > EPE-PEMC 2000 - Conference > EPE-PEMC 2000 - Topic 08: Electrical Machines and Actuators > EPE-PEMC 2000 - Topic 08b: Linear Motors and Drives

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   Application of a Linear Parametric Motor with Open Magnetic Circuit to Automatic Door in the Home
By Ishikawa K., Tan H., Kikuchi S. [View]
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Abstract: This paper describes the structure and the performance characteristics of a linear parametric motor with open magnetic circuit, and the development of an automatic door in the home by using the motor. We discussed the effect of the iron plate on the magnetic poles, tuning capacitance and magnetic gap length. The door model is nearly same size of the practical use in the home now. It reveals that the linear parametric motor with open magnetic circuit can be applied to the door system.

   Comparison of Different Type of Linear Synchronous Machines Using Finite-Element Analysis
By Toth F., Ádám T. [View]
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Abstract: The average thrust of the linear synchronous motors (LSM) is calculated on the basis of a two-dimensional Finite-Element Method (FEM). The LSM under consideration consists of the short primary and the long secondary with various forms. The following secondary configurations has been taken into consideration: permanent magnet segments, salient poles with excitation coils, reluctance type secondary and the equivalent of cylindrical excited form.

   Design Considerations for a Tubular Linear PM Servo Motor
By Bianchi N., Bolognani S., Tonel F. [View]
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Abstract: The design criteria of a tubular linear PM motor, with surface-mounted permanent magnets, are described in the paper. At first the basic equations for analysing the motor are derived, considering both slotted and slotless topologies. These equations are rearranged giving useful hints for the motor design. A finite element analysis is used to validate the results obtained from the analytical model. A good agreement is obtained comparing the magnetic field quantities as well as the mechanical forces. For servo drives the external dimensions are generally fixed, then the motor design is achieved with this constraint. The effect of the PM quality is considered, comparing motor designs with Ferrite and Nd-Fe-B magnets.

   Finite-Element Analysis of a Linear Switched Reluctance Actuator
By Calado M.R.A., Cabrita C.P. [View]
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Abstract: As well known, linear electrical motors and actuators are electromagnetic devices used to produce unidirectional or oscillatory short-stroke motion, directly without mechanical linkages. The project of a classic electrical machine - generator, motor or actuator, - can be made by using either analytical or numerical methods. However, at present much of the new existing small actuators present a variable geometry. Thus, the analytical design of this class of actuators must be accomplished with numerical methods based on finite elements in view to optimize the electromagnetic and mechanical geometry. The subject of this paper is the finite-element analysis of a prototype of a single-sided linear switched reluctance actuator.

   Simultaneous Control of Propulsion and Levitation of Linear Induction Motor in a Novel Maglev System
By Morizane T., Kimura N., Taniguchi K. [View]
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Abstract: The magnetically levitated transpportation systems are considered to be applied in the various field because of their unique merits such as contactless and direct drive. Usually The system has the levitation and drive system respectively. Then we should consider the influence of the attractive force caused from the drive system in order to control the levitation magnet sufficiently. In this paper, we propose a novel transportation system without the electical magnet for the levitation system. In this system, the attractive force from the linear induction motor in the drive system is used for the levitation. Then we propose a novel method to control the levitation and the drive simultaneously using a power source combined with the high frequency component and the low frequency one. At first, we show the basic characteristics of the linear induction motor and explain the concept of the proposed control method. Then show the simulation results of the levitation controlled by the proposed method.

   Suggestion of Special Small Pump Highly Controlled and Applied to a Linear DC Motor
By Sakakita Y., Watada M., Torii S., Ebihara D. [View]
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Abstract: In this study, We'd like to suggest a special small pump using for drip injection system highly controlled and applied to a Linear DC Motor. In this paper, analysis based on the force acting on the current is done to Design a Moving Magnet Linear DC Motor (MM-LDM).

   The Study on Thrust Characteristics in Tooth Type of Linear Stepping Motor
By Oh H.S., Shin M.Y., Lee S.H. [View]
[Download]

Abstract: In this paper, We have designed the dove tail tooth (DVT) type which are able to reduce the normal force in comparison with typical rectangular type tooth of 2-phase hybrid type Linear Stepping Motor(HLSM). And the DVT HLSM was inserted a permanent magnet into the slot in order to improve the thrust force without increasing the normal force.

EPE-PEMC 2000 - Topic 08b: Linear Motors and Drives
You are here: EPE Documents > 04 - EPE-PEMC Conference Proceedings > EPE-PEMC 2000 - Conference > EPE-PEMC 2000 - Topic 08: Electrical Machines and Actuators > EPE-PEMC 2000 - Topic 08b: Linear Motors and Drives
	[return to parent folder]

	Application of a Linear Parametric Motor with Open Magnetic Circuit to Automatic Door in the Home By Ishikawa K., Tan H., Kikuchi S.	[View] [Download]
Abstract: This paper describes the structure and the performance characteristics of a linear parametric motor with open magnetic circuit, and the development of an automatic door in the home by using the motor. We discussed the effect of the iron plate on the magnetic poles, tuning capacitance and magnetic gap length. The door model is nearly same size of the practical use in the home now. It reveals that the linear parametric motor with open magnetic circuit can be applied to the door system.

	Comparison of Different Type of Linear Synchronous Machines Using Finite-Element Analysis By Toth F., Ádám T.	[View] [Download]
Abstract: The average thrust of the linear synchronous motors (LSM) is calculated on the basis of a two-dimensional Finite-Element Method (FEM). The LSM under consideration consists of the short primary and the long secondary with various forms. The following secondary configurations has been taken into consideration: permanent magnet segments, salient poles with excitation coils, reluctance type secondary and the equivalent of cylindrical excited form.

	Design Considerations for a Tubular Linear PM Servo Motor By Bianchi N., Bolognani S., Tonel F.	[View] [Download]
Abstract: The design criteria of a tubular linear PM motor, with surface-mounted permanent magnets, are described in the paper. At first the basic equations for analysing the motor are derived, considering both slotted and slotless topologies. These equations are rearranged giving useful hints for the motor design. A finite element analysis is used to validate the results obtained from the analytical model. A good agreement is obtained comparing the magnetic field quantities as well as the mechanical forces. For servo drives the external dimensions are generally fixed, then the motor design is achieved with this constraint. The effect of the PM quality is considered, comparing motor designs with Ferrite and Nd-Fe-B magnets.

	Finite-Element Analysis of a Linear Switched Reluctance Actuator By Calado M.R.A., Cabrita C.P.	[View] [Download]
Abstract: As well known, linear electrical motors and actuators are electromagnetic devices used to produce unidirectional or oscillatory short-stroke motion, directly without mechanical linkages. The project of a classic electrical machine - generator, motor or actuator, - can be made by using either analytical or numerical methods. However, at present much of the new existing small actuators present a variable geometry. Thus, the analytical design of this class of actuators must be accomplished with numerical methods based on finite elements in view to optimize the electromagnetic and mechanical geometry. The subject of this paper is the finite-element analysis of a prototype of a single-sided linear switched reluctance actuator.

	Simultaneous Control of Propulsion and Levitation of Linear Induction Motor in a Novel Maglev System By Morizane T., Kimura N., Taniguchi K.	[View] [Download]
Abstract: The magnetically levitated transpportation systems are considered to be applied in the various field because of their unique merits such as contactless and direct drive. Usually The system has the levitation and drive system respectively. Then we should consider the influence of the attractive force caused from the drive system in order to control the levitation magnet sufficiently. In this paper, we propose a novel transportation system without the electical magnet for the levitation system. In this system, the attractive force from the linear induction motor in the drive system is used for the levitation. Then we propose a novel method to control the levitation and the drive simultaneously using a power source combined with the high frequency component and the low frequency one. At first, we show the basic characteristics of the linear induction motor and explain the concept of the proposed control method. Then show the simulation results of the levitation controlled by the proposed method.

	Suggestion of Special Small Pump Highly Controlled and Applied to a Linear DC Motor By Sakakita Y., Watada M., Torii S., Ebihara D.	[View] [Download]
Abstract: In this study, We'd like to suggest a special small pump using for drip injection system highly controlled and applied to a Linear DC Motor. In this paper, analysis based on the force acting on the current is done to Design a Moving Magnet Linear DC Motor (MM-LDM).

	The Study on Thrust Characteristics in Tooth Type of Linear Stepping Motor By Oh H.S., Shin M.Y., Lee S.H.	[View] [Download]
Abstract: In this paper, We have designed the dove tail tooth (DVT) type which are able to reduce the normal force in comparison with typical rectangular type tooth of 2-phase hybrid type Linear Stepping Motor(HLSM). And the DVT HLSM was inserted a permanent magnet into the slot in order to improve the thrust force without increasing the normal force.