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1. Adopted unique ventilation system and non - carbonate direct current motor stabilize the hot airflow.

2. Brushless direct current motor drive system based on DSP in the HVC is researched by digital control manner in the paper.

3. Adopted unique ventilation system and rotational direct current motor stabilize the hot airflow.

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4. Firstly, a whole design project, that a direct current motor and a harmonic drive reducer are used to drive the actuator is determined.

5. Its application to permanent magnet direct current motor design expert system verifies its validity and effectiveness.

6. The utility model relates to a permanent brushless direct current motor. The motor comprises a casing, a front end cover, a rear end cover, a stator, a rotor and a position sensor.

7. The brushless direct current motor (BDCM) used in attitude control and energy storage flywheel features a structure of large equivalent air-gap and large ratio of diameter to length.

8. The direct current motor receives the driving current to drive the load to operate.

9. The brushless direct current motor used in magnetic suspending flywheel features a structure of large air and small ratio of length to diameter.

10. Direct current motor rotating in step mode is the ideal drive motor.

11. In this paper, parametric variation method is used in kinematic equation of series excitation direct current motor with different turning velocities.

12. The elevator model was made by using devices such as limit switch, nixie tube, direct current motor.

13. The product widely is suitable for electrical machinery electric appliance's and so on generator, direct current motor, pulling motor, transformer and metallurgy profession insulations .

14. The paper discusses the design of double closed loop regulation system of speed and current and establishes the mathematical model of brushless direct current motor.

15. This article introduces design principle and making method of self making teaching aids of simple direct current motor, it provided perceptive materials for students to understand motor's principle.

16. A calculation method based on the concept of "senary" is presented, to start up a contra-rotative rare earth permanent magnet brushless direct current motor (CR REPM BLDCM).

17. This paper takes about use and illumination of the principle of direct current motor, futher explains its effect in teaching.

18. To solve this problem, a new method (EMDES), i. e. the fuzzy case design method, is proposed in this paper and applied to permanent magnet direct current motor design expert system (PMDCMDES).

19. Integrating electromotor and generator, a rare earth permanent magnet brushless direct current motor (REPM BLDCM) control system based on DSP in the HVC is studied.

20. This paper presents the method of design and parameter optimizing in a phase-locked controller, which is used in high-speed brushless direct current motor (BLDCM) speed control.

21. The design principle and specific process of the pulse width servo amplifier is introduced, which is used to drive direct current motor to work.

22. The invention has high universality and is suitable for both the paper shredder adopting an alternate current motor and an induction motor and the paper shredder adopting a direct current motor.