Dynamics of Multistage Gear Transmission with Effects of Gearbox Vibrations. (1998)
Choy, F. K., Tu, Y. K., Zakrajsek, J. J., Townsend, D. P.
This paper presents a comprehensive approach in analyzing the dynamic behavior of multistage gear transmission systems with the effects of gearbox induced vibrations and mass imbalances of the rotor....
Townsend, D. P., Zakrajsek, J. J.
A vibration diagnostic system was used to detect spur gear surface pitting fatigue in a closed-loop spur gear fatigue test rig. The diagnostic system, comprising a personal computer with an...
Vibration Signature Analysis of a Faulted Gear Transmission System. (1998)
Choy, F. K., Huang, S., Zakrajsek, J. J., Handschuh, R. F., Townsend, D. P.
A comprehensive procedure in predicting faults in gear transmission systems under normal operating conditions is presented. Experimental data was obtained from a spiral bevel gear fatigue test rig at...
Choy, F. K., Polyshchuk, V., Zakrajsek, J. J., Handschuh, R. F., Townsend, D. P.
A comprehensive procedure to simulate and analyze the vibrations in a gear transmission system with surface pitting, wear, and partial tooth fracture of the gear teeth is presented. An analytical...
Analytical and Experimental Vibration Analysis of a Faulty Gear System. (1998)
Choy, F. K., Braun, M. J., Polyshchuk, V., Zakrajsek, J. J., Townsend, D. P.
A comprehensive analytical procedure was developed for predicting faults in gear transmission systems under normal operating conditions. A gear tooth fault model is developed to simulate the effects...
Transmission Diagnostic Research at NASA Lewis Research Center. (1998)
Zakrajsek, J. J., Townsend, D. P., Lewicki, D. G., Decker, H. J., Handschuh, R. F.
The NASA Lewis Research Center and the U.S. Army Research Laboratory are involved in a joint research program to advance the technology of aerospace transmissions. Within the last six years, a...