Results 141 to 150 of about 8,094 (226)

Overview of NASA PTA propfan flight test program [PDF]

The progress is covered of the NASA sponsored Propfan Test Assessment (PTA) flight test program. In PTA, a 9 ft. diameter propfan was installed on the left wing of a Gulfstream GII executive jet and is undergoing extensive flight testing to evaluate ...
Graber, Edwin J.
core   +1 more source

Intelligent Fault Diagnosis of Planetary Gearbox Across Conditions Based on Subdomain Distribution Adversarial Adaptation. [PDF]

Sensors (Basel)
Han S, Feng Z, Zhang Y, Du M, Yang Y.
europepmc   +1 more source

A Novel Fault Feature Recognition Method for Time-Varying Signals and Its Application to Planetary Gearbox Fault Diagnosis under Variable Speed Conditions. [PDF]

Sensors (Basel), 2019
Lv Y, Pan B, Yi C, Ma Y.
europepmc   +1 more source

OH-58 helicopter transmission failure analysis [PDF]

The OH-58 main transmission gearbox was run at varying output torques, speeds, and oil cooling rates. The gearbox was subsequently run to destruction by draining the oil from the gearbox while operating at a speed of 6200 revs per minute and 36,000 inch ...
Coy, J. J., Hatvani, B. R., Townsend, D. P.   +2 more
core   +1 more source

Compound Fault Diagnosis of Planetary Gearbox Based on Improved LTSS-BoW Model and Capsule Network. [PDF]

Sensors (Basel)
Li G, He L, Ren Y, Li X, Zhang J, Liu R.
europepmc   +1 more source

Fault diagnosis of planetary gearboxes based on bispectral composite spectral features of torsional vibration modulation signals

Jixie chuandong
ObjectiveCompared with the linear vibration signal, the planetary wheel torsional vibration signal is not affected by the planetary wheel passing effect and the signal transmission path, and the spectral structure is simpler. Therefore, it is expected to
ZHANG Yibao, HU Lei, XU Yuandong, SONG Xinkai   +3 more
doaj  

An Adaptive Multi-Sensor Data Fusion Method Based on Deep Convolutional Neural Networks for Fault Diagnosis of Planetary Gearbox. [PDF]

Sensors (Basel), 2017
Jing L, Wang T, Zhao M, Wang P.
europepmc   +1 more source

Condition Monitoring System for Planetary Journal Bearings in Wind Turbines Based on Surface Acoustic Wave Measurements-Validation on a System Level. [PDF]

Sensors (Basel)
Decker TM, Jacobs G, Scholz T, Röder J, Knops M, Blumenthal J, Bauer T.   +6 more
europepmc   +1 more source

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

Research on Shape-Performance Integrated Monitoring Technology for Planetary Gearboxes Based on the Integration of Artificial Intelligence, Finite Element Analysis, and Multibody Dynamics Simulation. [PDF]

Sensors (Basel)
Cui Y, An B, Wu Z, Shang Z, Zhang X.
europepmc   +1 more source