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Implementation of an OFDM underwater acoustic communication system on an underwater vehicle with multiprocessor structure
      
Experimental Research on Friction of Vehicle Tire Rubber
      
The prediction technology study of fatigue life for key parts of a tracked vehicle's suspension system
      
In allusion to fatigue life of a tracked vehicle torsion bar, a virtual prototype model of the tracked vehicle suspension system including a flexible torsion bar was built based on dynamic simulation software-ADAMS.
      
The finite element analysis of the vehicle frame was made and the result satisfied the requirements.
      
To recover the vehicle's kinetic energy maximally, braking shift rules for a mild hybrid electric vehicle (HEV) equipped with automatic manual transmission (AMT) are brought forward and effects of transmission ratios are considered.
      
Design of damping valve for vehicle hydro pneumatic suspension
      
Based on a 1/4 vehicle linear suspension model, the optimum damping coefficient is worked out and the parameters of the damping valve are determined with the equivalent linearization method.
      
A two-degree-of-freedom (2-DOF) steering model of multi-axle vehicle was established.
      
The steering center position, the relationship between the steering angle and the vehicle velocity, and the minimum turn radius were deduced on the basis of the proportional control with a zero sideslip angle.
      
Results indicate that the system stability is decided by the vehicle barycenter position and the lateral stiffness of a tire.
      
Under this control, the steady value of the lateral acceleration is obviously diminished and the yaw angular velocity changes little under any vehicle velocity.
      
The system rapidly responds, the vehicle smoothly steers, and its handling stability is prominently improved.
      
Bandwidth-limited active suspension controller for an off-road vehicle based on co-simulation technology
      
This paper presents the design process of a controller for bandwidth-limited active hydro-pneumatic suspension employed by an off-road vehicle based on co-simulation technology.
      
First, a detailed multi-body dynamic model of the vehicle is established by using the ADAMS/View software package, which is followed by validation using a vehicle field test.
      
Third, the proposed control algorithm is implemented on the multi-body dynamic vehicle model to enable the co-simulation to run repeatedly until a more practical controller is achieved.
      
Simulation results show that the proposed active suspension system considerably improves both the ride and handling performance of the vehicle and therefore increases the maximum traveling speeds even on rough roads.
      
It is concluded that though the performance of an air-powered engine is inferior to that of the traditional inert combustion engine, an airpowered vehicle is fit for future green cars to realize the sustainable development of society and environment.
      
The characteristics of ground vibrations induced by railway traffic and their propagation, from the aspects of duration, intensity distribution, vehicle load and speed, are summarized.
      
 

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