Caihong Huang*, Jing Zeng. Suppression of the flexible carbody resonance due to bogie instability by using a DVA suspended on the bogie frame, Vehicle System Dynamics, 2021.
https://doi.org/10.1080/00423114.2021.1930071

Fig. 1. Test results for a high-speed train. (a) Accelerations of carbody and bogie frame for ‘V1’; (b) Accelerations of carbody and bogie frame for ‘V2’; (c) Identified carbody diamond mode in modal testing..