Results 71 to 80 of about 4,896 (145)

Research on power flow of encased differential gear train in coaxial contra-rotating gearbox. [PDF]

Sci Rep
Zhang D, Zhu R, Zhang W, Cui J, Ma L.
europepmc   +1 more source

Design and Implementation of Symmetric Legged Robot for Highly Dynamic Jumping and Impact Mitigation. [PDF]

Sensors (Basel), 2021
Wang L, Meng F, Kang R, Sato R, Chen X, Yu Z, Ming A, Huang Q.   +7 more
europepmc   +1 more source

Gearing [PDF]

Gearing technology in its modern form has a history of only 100 years. However, the earliest form of gearing can probably be traced back to fourth century B.C. Greece. Current gear practice and recent advances in the technology are drawn together.
Coy, J. J., Townsend, D. P., Zaretsky, E. V.   +2 more
core   +1 more source

Tribo-Dynamics of Dual-Star Planetary Gear Systems: Modeling, Analysis, and Experiments. [PDF]

Sensors (Basel)
Zheng J, Xiang Y, Liu C, Wang Y, Mou Z.
europepmc   +1 more source

Design and analysis of hybrid stepping motors with integrated planetary gear trains. [PDF]

Sci Prog, 2021
Chen GC, Wang SY.
europepmc   +1 more source

Transmission ratio-efficiency coupled modeling and high-efficiency zone design for multi-row planetary gear transmission of hybrid electric vehicles. [PDF]

Sci Rep
Zhang Q, Ren C, Niu H.
europepmc   +1 more source

Concepts for Variable/Multi-Speed Rotorcraft Drive System [PDF]

In several recent studies and on-going developments for advanced rotorcraft, the need for variable or multi-speed capable rotors has been raised. A speed change of up to 50 percent has been proposed for future rotorcraft to improve overall vehicle ...
Handschuh, Robert F., Lewicki, David G., Stevens, Mark A.   +2 more
core   +1 more source

Numerical and experimental investigations on vibration isolation performance of double-layer casing herringbone planetary gearbox. [PDF]

Sci Rep
Yang J, Sheng D, Chen W, Zhu R, Yue Y.
europepmc   +1 more source

Design and Evaluation of a Trunk-Limb Robotic Exoskeleton for Gait Rehabilitation in Cerebral Palsy. [PDF]

Biomimetics (Basel)
Li H, Li M, Kang Z, Yu H.
europepmc   +1 more source

Advanced transmission studies [PDF]

The NASA Lewis Research Center and the U.S. Army Aviation Systems Command share an interest in advancing the technology for helicopter propulsion systems.
Bill, Robert C., Coy, John J.
core   +1 more source