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An efficient hybrid reliability analysis method with application to the harmonic drive. [PDF]
PLoS ONEThe harmonic drive is a new type of high-efficiency gear transmission system, widely used in precision machinery, robotics, and aerospace due to its compact structure and high transmission accuracy, and the multiple uncertain parameters in it will ...
Jingqi Cui +3 more
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Performance of Magnetic-Superconductor Non-Contact Harmonic Drive for Cryogenic Space Applications [PDF]
Machines, 2015 Harmonic drives are profusely used in aerospace mainly because of their compactness and large reduction ratio. However, their use in cryogenic environments is still a challenge. Lubrication and fatigue are non-trivial issues under these conditions.
Jose Luis Perez-Diaz +17 more
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Meshing Stiffness Calculation of Disposable Harmonic Drive under Full Load
Machines, 2022 Mechanical equipment in the field of aerospace that is used only once is called disposable machinery. As a piece of typical disposable machinery, disposable harmonic gear exhibit stiffness failure with a large load.
Yuxin Zhang +4 more
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Development of Harmonic Drive Combining Four Arcs for Conventional Kinematic Application
Machines, 2022 This paper proposes a modified harmonic cam, which is used to design a harmonic drive. Conventional harmonic drives using a sinusoidal cam type pertain to an elastic body concept and are thus difficult to design and evaluate.
Taesu Kim +4 more
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Surface micromachined mechanisms and micromotors [PDF]
, 1991 Electric micromotors are sub-millimeter sized actuators capable of unrestrained motion in at least one degree of freedom. Polysilicon surface micromachining using heavily phosphorus-doped LPCVD polysilicon for the structural material, LPCVD silicon ...
Mehregany, Mehran, Tai, Yu-Chong
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Research on Nonlinear Dynamics Modeling and Simulation of Harmonic Gear Drive
Jixie chuandong, 2021 Due to the particularity of the structure，the hysteretic stiffness and dynamic friction belong to the inherent properties of harmonic gear drive. Traditional models consider the stiffness as a fixed stiffness or segmented stiffness model，and the friction
Yang Luo +4 more
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Jixie chuandong, 2022 Hysteresis stiffness is an inherent property of harmonic gear drive. In the traditional dynamic modeling of harmonic gear drive，the stiffness is considered as fixed stiffness or piecewise fixed stiffness，which will lead to reduction of the accuracy of ...
Linfeng Qiu +5 more
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Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2022 Harmonic reducer is a transmission device with high transmission ratio and high accuracy, which is widely used in robotics and other instruments. Backlash reflects the positioning accuracy of harmonic drive, which is one of the key performances of ...
Yazhen WANG, Yipeng CHEN
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Journal of Advanced Mechanical Design, Systems, and Manufacturing, 2022 To investigate the influence of the manufacturing parameters on mesh behaviors for harmonic gear drive, the mathematical model of slotting the circular spline was established using kinematic method based on the tooth profile of the circular spline ...
Chaosheng SONG +4 more
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Kinematic error of a harmonic drive
MATEC Web of Conferences, 2018 The article deals with the causes for kinematic error of harmonic drives. The error was determined theoretically using a mathematical model of a drive accounting elastic interactions of the drive elements.
Lyuminarsky Igor, Lyuminarsky Stanislav
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