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This paper mainly focuses on the characteristics of limit cycle oscillation due to backlash nonlinearity and its suppression method in a two-mass drive system. The full-closed loop control system is proposed to improve positioning accuracy. However, the performance is poor due to the transmission backlash. Therefore it is of great significance to analyze the characteristics of limit cycle. In the...
There is a general phenomenon of dynamic disturbances caused by the mechanical resonance caused by the elasticity of the connecting device and the change of the load in the common electric traction mechanism such as rolling mill and robot joint. Aiming at this problem, the two - mass modeling of the rolling mill and other transmission equipment is carried out, and the related mechanism is analyzed...
In servo system, elastic component in transmission can produce mechanical resonance. The existence of backlash will aggravate the damage of resonance. According to dead-zone model, two-mass elastic system with backlash is established. The conclusion that the existence of backlash decreases the elastic coefficient of shaft equivalently and its quantitative relation are researched. This paper proposes...
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