New industrial revolution-“The 4th industrial revolution” must be a remarkable milestone for
the second decade of the twenty-first century. Many countries are competing to innovate …

The present paper aims at review on different aspects of harmonic drive gear to identify
literature gap for future research. The present article is started first making the comparative …

Harmonic gear reducer is widely used in industrial robots, aerospace, optics, and other high‐
end fields. The failure of harmonic gear reducer is mainly caused by the damage of flexible …

A new harmonic drive model considering the geometry, internal interactions and assembly
error of key parts is proposed in this paper. In this model, a single tooth pair is used to …

To highlight the key factors which influence the dynamic performance of the harmonic drive,
a refined harmonic drive model considering nonlinear stiffness, kinematic error, and friction …

The aim of the presented study was to perform a global sensitivity analysis of various design
parameters affecting the lost motion of the harmonic drive. A detailed virtual model of a …

Purpose Because of the compact structure, short flexspline (FS) harmonic drive (HD) is
increasingly used. The stress calculation of FS is very important in design and optimization …

Purpose This paper aims to present simulation results of a harmonic drive (HD) with involute
flexspline (FS) profiles based on two-dimensional (2-D) finite element analysis (FEA) …

In this study, an optimization process was designed for a strain wave gear (SWG) through
finite element analysis (FEA) to improve its performance. Two optimization steps are …

Predicting the nonlinear torsional stiffness of harmonic drives is important not only for system
control but also for the further development of the drive. However, it is difficult to predict the …