permanent magnet造句
(1) Permanent Magnet Lifter is a kind of lifting gear.
(2) The hardware of permanent magnet AC servo system is designed, including system power main circuit, system control circuit and auxiliary circuit.
(3) In the subject, permanent magnet linear synchronous motor ( PMLSM ) servo system is a researched object.
(4) A double - voltage hybrid excitation earth rare permanent magnet synchronous generator is designed is this paper.
(5) Thus permanent magnet synchronous motor is widely regarded in Hybrid electric vehicle ( HEV ) control field.
(6) The permanent magnet meter can be used as an ammeter or a voltmeter.
(7) The utility model is composed of an annular permanent magnet (1), a magnetic conductive gasket (2), and a cooling tube, which are arranged in a circular column target pipe.
(8) Permanent magnet synchronous motor running from asynchronous start-up to pull-in synchronization is a very complex electromechanical transient process.
(9) China's permanent magnet material is very rich in China, especially the development of permanent magnet motor.
(10) The sensorless control methods of permanent magnet synchronous motor are mostly on - frequency signal injection or state - observer.
(11) The exact rotor position is required while a permanent magnet brushless servo motor (PMBSM) is under commutation and control. Howere, position sensors have some fatal defects.
(12) The D-axis armature reaction of rare earth permanent magnet synchronous generator has been analysed.
(13) A linear permanent magnet brushless DC motor ( LPMBDCM ) composed of an armature and stator was introduced.
(14) Because of good performance and space saving, gearless permanent magnet synchronous traction machine is more and more widely used to drive the elevator.
(15) A distinction between positive ( north ) and negative ( south ) magnetic poles of an electromagnet or permanent magnet.
(16) The microneedle is fabricated by MEMS technology with SU-8, and the permanent magnet array is fabricated by electroplating technology. Processes of these two technologies are introduced in detail.
(17) This paper presents a new converter control algorithm for the direct drive permanent magnet wind generator under the unbalanced three-phase source voltage.
(18) Due to stator resistance and armature reaction, the output voltage of conventional permanent magnet synchronous generator varies with the load.
(19) The superiority and inferiority of PM machine is closely related with the function parameter of permanent magnet material which is being used.
(20) At the first time a permanent excitation structure is used in the design of CPA. The inner magnetic field of CPA is simulated and fundamental dimension of permanent magnet material is optimized.
(21) It has not only the advantages of the ordinary permanent magnet starter motor, but also some other advantages, such as higher starting torque, higher no load speed, and lower cost.
(22) What the effects does low intensity constant magnetic field strapping and application with permanent magnet have on the growth of tumor in the inoculated animals?
(23) Close to the switching characteristics of the switch size is small, maximum detection distance. It can detect magnetic objects (usually permanent magnet), and then generate the output trigger switch.
(24) There are two causes or cogging force in linear permanent magnet motors, resulting from the slotting and the finite length of the iron-cored.
(25) The double-phase composite material of the aluminum alloy and the neodymium iron boron type rare earth permanent magnet material is prepared by using a powder metallurgy method.
(26) A simple and high - Performance brushless DC generator consisting of a controlled rectifying circuit and permanent magnet square wave motor is Presented.
(27) The hybrid magnet was made by combining electromagnet with permanent magnet ( PM ).
(28) The stator of motor adopts centralized winding and its rotor applies permanent magnet material. The constant speed can be achieved at a certain frequency of power supply.
(29) Position loop servo system with sliding mode controller, improved accuracy of position tracking servo system, to further improved the system of permanent magnet servo control performance.
(30) The system adopts 80C31 MCU as the main controller, hybrid Rare-Earth permanent magnet stepper motor as the execution component, bio-passage rotary transformer as antenna position sensor.
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