Advanced vibration analysis in a half-car model

Tóm tắt

A half-car vibrating model will be investigated in terms of time and frequency responses. The equations of motion are simulated numerically to determine the displacement of the vehicle body, two wheels, and roll motion. A novel system of equations is introduced for three cases related to the tire-road separation phenomenon. The dynamic responses are studied over a wide range of input frequencies of road excitations. Furthermore, a comparison of vibration dynamics between the separation and no-separation assumptions is presented using phase graphs. The body bounce is also studied under the separation condition using a detailed mesh plot. The simulation outcomes demonstrate that the developed model provides greater precision compared to previous studies that did not consider separation. The research provides useful background knowledge for designing future vehicles under real-world conditions. Keywords: Half-Car Model, advanced vibration, tire-road separation, ride comfort