Chassis dynamometer for electric two wheelers

Abstract

In recent years, electric two-wheelers are emerging as one of the alternatives to improve the sustainability of transportation energy and air quality, especially in urban areas. Although electric two-wheeler motorcycles are environmentally friendly, they underperform compared with gasoline two-wheelers in many respects, particularly in speed and cruise distance between refuelling and recharging. Therefore, the engine development program can be done with a dynamometer. Variables such as the shape of torque and power curves can be analyzed. Hence, this project is aimed to develop a chassis dynamometer that can be used to measure mechanical power, speed and torque, and provide a controllable load to the electric motorcycle being tested. The prototype of chassis dynamometer for electric motorcycle had been developed and performance of the chassis dynamometer was tested by using an electric bicycle to emulate the basic performance requirements of an electric motorcycle which consist of maximum speed, driving range and acceleration.

Efficiency Evaluation of Electric Bicycle Power Transmission Systems

“…Through an experiment, it is shown that calculated and measured results exhibit a good correlation. In order to evaluate the performance of electric bicycles experimentally, Hassan [12] designed a chassis dynamometer that can measure mechanical power, torque, and speed, with an applied road-load. The designed chassis dynamometer can effectively measure the transmission efficiency of electric bicycles.…”