Results 71 to 80 of about 4,786 (111)

Multipurpose deep learning-powered UAV for forest fire prevention and emergency response. [PDF]

HardwareX, 2023
Rathod T, Patil V, Harikrishnan R, Shahane P.   +3 more
europepmc   +1 more source

Face-gear drives: Design, analysis, and testing for helicopter transmission applications [PDF]

The use of face-gears in helicopter transmissions was explored. A light-weight, split-torque transmission design utilizing face-gears is described. Face-gear design and geometry were investigated.
Bossler, R. B., Jr., Chen, Y.-J. D., Heath, G., Lewicki, D. G., Litvin, F. L., Wang, J.-C.   +5 more
core   +1 more source

Dynamic coupling effects of geometric eccentricity on multi-stage gear transmission via stiffness modulation and error excitation. [PDF]

Sci Rep
Lu W, Liang G, Du Z, Huang W, Zhao X.
europepmc   +1 more source

Two-Speed Rotorcraft Research Transmission Power-Loss Associated with the Lubrication and Hydraulic Rotating Feed-Through Design Feature [PDF]

An investigation was completed into the power loss associated with a rotating feed-through (RFT) design feature used to transfer lubrication and a hydraulic control signal from the static reference frame to a rotating reference frame in the NASA GRC two ...
LaBerge, Kelsen E., Stevens, Mark A., Valco, Mark J.   +2 more
core   +1 more source

Reliability Assessment of High-Speed Train Gearbox Based on Digital Twin and WHO-WPHM. [PDF]

Sensors (Basel)
Wang T, Chen Y, Li S, Lv J, Liu Y, Yang J, Yan Q.   +6 more
europepmc   +1 more source

Properties of Elasto-Hydrodynamic Oil Film in Meshing of Harmonic Drive Gears. [PDF]

Materials (Basel), 2021
Kalina A, Mazurkow A, Witkowski W, Wierzba B, Oleksy M.   +4 more
europepmc   +1 more source

Current Research Activities in Drive System Technology in Support of the NASA Rotorcraft Program [PDF]

Drive system technology is a key area for improving rotorcraft performance, noise/vibration reduction, and reducing operational and manufacturing costs. An overview of current research areas that support the NASA Rotorcraft Program will be provided. Work
Handschuh, Robert F., Zakrajsek, James J.   +1 more
core   +1 more source

Dynamic reliability modeling and analysis of small modulus gear wear based on the Wiener process. [PDF]

Sci Rep
Sun Y, Li Y, Gu C, Zhang Q, Chen K.
europepmc   +1 more source

Fault Diagnosis Method of Planetary Gearboxes Based on Multi-Scale Wavelet Packet Energy Entropy and Extreme Learning Machine. [PDF]

Entropy (Basel)
Meng R, Zhang J, Chen M, Chen L.
europepmc   +1 more source

Advanced Fault Diagnosis and Health Monitoring Techniques for Complex Engineering Systems: 2nd Edition. [PDF]

Sensors (Basel)
Li Y, Wang T, Noman K, Li B.
europepmc   +1 more source