IMPACT OF THE NONLINEAR CONNECTION TORQUE BETWEEN TRUCK AND CAR-BODY ON THE TRANSVERSAL STABILITY OF A RAILWAY-CAR

Matrix (A) shows the dynamic behavior of a high speed free truck running on an aligned track under optimal geometric conditions. The maximum running speed will be lower than the critical speed inherent to the system which is determined by the first eigenvalue of the matrix for which the real part is small and positive. The increase of this critical speed has been observed by an increase of the connection stiffness between car-body and truck. In fact, the car-body truck connection includes more than the classical connection. It includes hydraulic damping devices whose force-displacement diagram is similar to that of a friction damping device. After considering the elastic deformation of the connecting system ensured by the damping devices between truck and car-body, and the connecting springs between truck and car-body mounted is parallel, we observe a drawback torque relative to the truck. This characteristic can be compared to an hysteresis cycle.

  • Corporate Authors:

    American Society of Mechanical Engineers

    Two Park Avenue
    New York, NY  USA  10016-5990
  • Authors:
    • RICHARD, J
    • JOLY, R
  • Publication Date: 1979

Media Info

Subject/Index Terms

Filing Info

  • Accession Number: 00312130
  • Record Type: Publication
  • Source Agency: Engineering Index
  • Report/Paper Numbers: ASME 79-WA/DE-14
  • Files: TRIS
  • Created Date: Jul 22 1980 12:00AM