Results 291 to 300 of about 6,399,624 (354)
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Smart Materials and Structures, 1998
The development of a linear hybrid transducer type piezoelectric motor is shown. This design has the advantages of light weight, macro- and micro-positioning, and large force/velocity output. The motor consists of a longitudinal actuator that provides output displacement and force, and two alternating clamping actuators which provide the holding force.
David Newton +2 more
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The development of a linear hybrid transducer type piezoelectric motor is shown. This design has the advantages of light weight, macro- and micro-positioning, and large force/velocity output. The motor consists of a longitudinal actuator that provides output displacement and force, and two alternating clamping actuators which provide the holding force.
David Newton +2 more
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Linear Synchronous Motor Design
IEEE International Conference on Electric Machines and Drives, 2005., 2005This paper provides a high level discussion of the design and application of linear synchronous motors. Design issues include field magnets, stator winding, power electronics, position sensing and control, mechanical structure, and cost.
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2011
As a type of ultrasonic motors, a linear ultrasonic motor (LUSM) also utilizes the converse piezoelectric effect of piezoelectric ceramics and the ultrasonic vibration of an elastic body [1]. It transfers the micro amplitude motion of a stator into the macro linear motion of a slider by the friction force between the stator and slider.
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As a type of ultrasonic motors, a linear ultrasonic motor (LUSM) also utilizes the converse piezoelectric effect of piezoelectric ceramics and the ultrasonic vibration of an elastic body [1]. It transfers the micro amplitude motion of a stator into the macro linear motion of a slider by the friction force between the stator and slider.
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International Journal of Applied Electromagnetics and Mechanics, 1991
The Vehicle Propulsion & Guidance group of the Marine Express project has successfully conducted a unique underwater test of a linear motor car named as Marine Express 01. The first underwater model car Marine Express 01 has been propelled and levitated electromagnetically by a linear induction motor and run very quietly and smoothly along the ...
K. Yoshida, H. Muta, N. Teshima
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The Vehicle Propulsion & Guidance group of the Marine Express project has successfully conducted a unique underwater test of a linear motor car named as Marine Express 01. The first underwater model car Marine Express 01 has been propelled and levitated electromagnetically by a linear induction motor and run very quietly and smoothly along the ...
K. Yoshida, H. Muta, N. Teshima
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Recursive sliding mode control with adaptive disturbance observer for a linear motor positioner
, 2021Ke Shao +5 more
semanticscholar +1 more source
Linear piezoelectric ultrasonic motor
The Journal of the Acoustical Society of America, 2006The present invention relates to a linear motor which draws its operating power from ultrasonic vibration above the frequency of 20 kHz which is generated by piezoelectric ceramic. More particularly, the invention relates to a linear piezoelectric ultrasonic motor which linearly operates a slider due to a frictional force generated by applying ...
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Linear motor coil assembly and linear motor
An ironless linear motor (5) comprising a magnet track (53) and a coil assembly (50) operating in cooperation with said magnet track (53) and having a plurality of concentrated multi-turn coils (31 a-f, 41 a-d, 51 a-k), wherein the end windings (31E) of the coils (31 a-f, 41 a-e) are substantially rounded, the coil part (31 S) between the end windings (Sahin, F., Compter, J.C., Bos, E.
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Linear and Rotary Molecular Motors
1998A single molecule of F1-ATPase has been shown to be the smallest rotary motor ever found, with a central rotor of radius approximately 1 nm turning in a stator barrel of radius approximately 5 nm. Continuous rotation of the central gamma subunit was revealed under an optical microscope by attaching to gamma a huge marker, an actin filament.
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Journal of the Institution of Electrical Engineers, 1963
A.S. Fenemore, J.O. Buchanan
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A.S. Fenemore, J.O. Buchanan
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1996
A synchronous linear motor with a primary component having a winding and a secondary component consisting of an elongated bearing plate to which the pre-magnetised permanent magnets, consisting of brittle and corrosion-prone material, are firmly adhesively secured while maintaining the pole pitch grid.
KRAUSS MAFFEI AG, STOIBER DIETMAR
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A synchronous linear motor with a primary component having a winding and a secondary component consisting of an elongated bearing plate to which the pre-magnetised permanent magnets, consisting of brittle and corrosion-prone material, are firmly adhesively secured while maintaining the pole pitch grid.
KRAUSS MAFFEI AG, STOIBER DIETMAR
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