Design Parameters of Plastic Gears by John H. Chen and frank M. IUMbe The Poly.mer Corporation Reading, Pennsylvania 19603 Download

a b s t r a c t Article history: Received 19 February 2013 Received in revised form 3 February 2014 Accepted 3 February 2014 Available online 2 March 2014 Time-varying mesh stiffness, caused by the change of tooth contact number and contact position, is one of the main sources of vibration of a gear […]

a b s t r a c t Filtering techniques are used to improve the signal to noise ratio (SNR) for better feature extraction. The time synchronous averaging (TSA) is one of such method that is based on averaging periodic sections. However, it fails to give significant results for an asynchronous or fluctuating speed condition. […]

Submitted in partial fulfillment of the requirements for the degree of Doctor of Philosophy Thesis Advisor: Dr. Maurice L. Adams Department of Mechanical and Aerospace Engineering CASE WESTERN RESERVE UNIVERSITY January, 2013 download