Abstract
Because of the self-locking part inertia, deformation factors, and interspace between the driving and driven sides of the overrunning clutch, the existing dynamic models, which consider the rotational speed discrepancy or angle discrepancy as the only determinant to recognize the engaging state, have some difficulty in accurately describing and studying the dynamic characteristics of the overrunning clutch and its transmission system. In order to solve these problems, this paper proposed a modified method considering the influence of the dynamic characteristics of self-locking components through angle compensation. Four models were established on a MATLAB/Simulink platform, and an experiment was carried out on a transmission experimental platform under a stable driving torque and varying driving torque. Then, the comparison of the dynamic characteristic between the simulation and the experiment showed that under non-stationary excitation, taking the influence of the dynamic characteristic of the self-locking components into account through angle compensation can help to more accurately describe the dynamic characteristics of a transmission system with an overrunning clutch.
Highlights
IntroductionOverrunning clutch is a kind of basic mechanical component that transmits power in one way
Overrunning clutch is a kind of basic mechanical component that transmits power in one way.SIMULATION AND EXPERIMENTAL RESEARCH ON DYNAMIC CHARACTERISTICS OF OVERRUNNING CLUTCH
Depending on the modeling method, the dynamic models of the overrunning clutch are divided into physical models and mathematical models based on the finite element software or multi-body dynamics software
Summary
Overrunning clutch is a kind of basic mechanical component that transmits power in one way. The clutch is currently applied in many kinds of mechanical systems because it can switch its state by itself with a change in the rotational speed and direction between the driving and driven components. The physical models are used to research the self-characteristics of the overrunning clutch, and the mathematical models are used to study the dynamic characteristics of the transmission system [15]. Describing the dynamic characteristics more correctly and increasing the precision of the mathematical models can better support the research on the dynamic characteristics of the overrunning clutch and its transmission chain. On the basis of the traditional dynamic mathematical model, this paper proposes a modified method considering the influence of the dynamic characteristics of the self-locking part through angle compensation. The accuracy of the four models was analyzed
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