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Throttle holes area of telescopic shock absorber for electric vehicles influence the ride comfort, driving harsh - ness and the other parameters design. For the non-linearity relation of the design area of throttle holes with the design velocity, there is no any accurate and reliable method for throttle holes area design of telescopic shock absorber. In this paper, analyzed the various damping factors affecting design, it was established that the math- ematics model of throttle holes area by single velocity value. Studied the method of optimal design, the target function of curve fitting optimal design for throttle holes was constructed. A practical design example of throt - tle holes area with this method is given, and the designed result was compared with that by single velocity, and shown on the blueprint of telescopic shock absorber manufactory. The performance test was conducted for the telescopic shock absorber developed with the new design methods in laboratory, and the test results were com- pared with the design target value. The experiment results show that the design method of curve fitting optimal for the area of throttle holes is correct, and the designed values are reliable.

Design Method for Throttle Holes Area of Telescopic Shock Absorber for Small Electric Vehicles