Table 1 Subway Vehicle System DOF
From: Subway Embedded Track Geometric Irregularity Safety Limits
Vehicle parts | DOF | |||||
|---|---|---|---|---|---|---|
Longitudinal | Lateral | Vertical | Rolling | Rotating/Pitch | Yaw | |
Wheelset (i = 1,4) | \(X_{{{\text{w}}i}}\) | \(Y_{{{\text{w}}i}}\) | \(Z_{{{\text{w}}i}}\) | \(\phi_{{{\text{w}}i}}\) | \(\beta_{{{\text{w}}i}}\) | \(\psi_{{{\text{w}}i}}\) |
Left rotary arm (i = 1,4) | \(X_{{{\text{ab}}Li}}\) | \(Y_{{{\text{ab}}Li}}\) | \(Z_{{{\text{ab}}Li}}\) | – | \(\beta_{{{\text{ab}}Li}}\) | – |
Right rotary arm (i = 1,4) | \(X_{{{\text{ab}}Ri}}\) | \(Y_{{{\text{ab}}Ri}}\) | \(Z_{{{\text{ab}}Ri}}\) | – | \(\beta_{{{\text{ab}}Ri}}\) | – |
Bogie frame (i = 1,2) | \(X_{{{\text{b}}i}}\) | \(Y_{{{\text{b}}i}}\) | \(Z_{{{\text{b}}i}}\) | \(\phi_{{{\text{b}}i}}\) | \(\beta_{{{\text{b}}i}}\) | \(\psi_{{{\text{b}}i}}\) |
Car body | \(X_{{\text{c}}}\) | \(Y_{{\text{c}}}\) | \(Z_{{\text{c}}}\) | \(\phi_{{\text{c}}}\) | \(\beta_{{\text{c}}}\) | \(\psi_{{\text{c}}}\) |