Dynamic modelling and simulation of electric bicycle ride comfort

The dynamic model of 5d.o.f for electric bicycle, and the road surface model of the random input and step input were set up. The simulation of electric bicycle ride comfort was carried out using MATLAB/STMULINK software to obtain the factors influenced ride comfort of electric bicycle, such as the unevenness level of road surface, various speeds, and the stiffness of the spring in the front and rear suspension. Based on the corresponding evaluation criterions, the dynamic performance of electric bicycle was evaluated that the result is in good agree with the purpose of original design. Also, it provides a proof for the design and optimization of electric bicycle.