scholarly journals Suppression of Rotational Speed Variation Excited by Reduction Gear Mechanism by Means of Self-Compensating Control. 1st Report. Reduction of Exciting Components of Harmonic Drive Gear.

1996 ◽  
Vol 62 (595) ◽  
pp. 860-867 ◽  
Author(s):  
Masahiko ITOH ◽  
Shinji KASEI ◽  
Shigeo FUKADA
Author(s):  
Bumjoo Lee ◽  
Donghan Kim ◽  
Young-Dae Hong

This study proposes a novel planetary gear mechanism composed of normal spur gears. Similar to a harmonic drive system, one pair of gears generates differential angular motion to achieve a high reduction gear ratio. While a harmonic drive system utilizes slightly different number of gear teeth between the flex spline and the circular spline to induce differential motion, a planetary gear mechanism with different gear modules is adopted for this purpose in the proposed system. Since the manufacture of special components like the wave generator and flex spline in harmonic drive system is not required here, the machinability and usability are improved. In addition, the mechanism can be achieved with a flat shape, which is crucial for various applications such as robotic systems. After the basic concept and three-dimensional design are introduced, the prototype system is presented.


2014 ◽  
Vol 620 ◽  
pp. 341-346 ◽  
Author(s):  
Yun Shen ◽  
Jian Bo Cao ◽  
Xiu Hui Zhu ◽  
Xiao Jie Lei ◽  
Qiu Ling Ye ◽  
...  

Current domestic and international for the experimental apparatus been associated asynchronous motor design generally used hand horseshoe magnet rotates to drive the rotor rotates, While it is possible to achieve, the apparatus is too simple, and the effect is not in great satisfaction. To further improve the experimental results, a new type of asynchronous motor experimental device is designed, whose working mechanism is a DC motor as a driving source, driven by a reduction gear mechanism to produce a rotating magnetic field, the control circuit can be achieved by utilizing the rotational speed and adjust direction. By apparatus of the stator, rotor apparatus, the related motor control and display device design can make the operation more stable, more easily observed. The experimental apparatus can enhance students' awareness and understanding of asynchronous motor, so that the original abstract theory becomes boring incomprehensible gusto, to stimulate students' desire for knowledge, strengthen students' practical knowledge and ability, with higher practical significance. The apparatus simple shaped, with simple and safe operation, is able to facilitate teaching, with better promote the use of value.


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