Simulation of the Vibration Characteristics for Agricultural Wheeled Tractor with Implement and Front Axle Hydropneumatic Suspension

Figure 14

RMS of vibration responses of tractor system under different nitrogen pressure of the accumulators: (a) vertical acceleration of the driver seat; (b) longitudinal acceleration of the chassis; (c) vertical acceleration of the chassis; (d) pitch acceleration of the chassis; (e) dynamic load of the front tire; (f) dynamic load of the rear tire; (g) dynamic deflection of the hydropneumatic suspension; (h) SEAT value of the driver seat.

(a)

(b)

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(d)

(e)

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(h)