Abstract
A belt drive and a chain drive are the main types of flexible power transmission. In the traditional belt and chain drive design process, engineers need to do a lot of rework to get a design. To solve this problem, taking the Shell Eco-Marathon vehicle as an example, the traditional design and optimization design of the transmission system are carried out. In the optimization design, component optimization and overall optimization design model of the belt and chain drive are first established. Second, the charts in the design manual are converted into formulas by using MATLAB. Finally, an optimization design model is established in Microsoft Excel, and the Excel Solver tool is used to find the optimal design result. The design method proposed in this paper can effectively determine the optimal design of transmission system and provides a new method for the processing of such problems.
Highlights
Motors are used to provide rotational power, but they typically operate at too high a speed and too low a torque
This paper presents the general design of belt drives, chain drives, and the design optimization process in Excel
Taking the Shell Eco-Marathon vehicle transmission system design as an example, this paper analyzes the traditional design process of the belt and chain drive based on product design manuals and proposes an optimization design scheme
Summary
Motors are used to provide rotational power, but they typically operate at too high a speed and too low a torque. Using the V-belt’s minimum volume optimization method to establish a target function, V-belt’s optimization design mathematical model was achieved, which is based on the genetic algorithm (GA) principle and uses the GA toolbox of MATLAB [22]. Combining both optimized design ideas and MATLAB and regarding the minimal gross weight of a V-belt pulley as the optimization goal, the modeling and optimization of a multirow V-belt drive is carried out using the exterior penalty method [23].
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