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Spring 2002 |
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Project 3 |
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Since
motorcycles are often used on rough terrains, they need good suspension
systems. The figure below shows a testing system for the Kawasaki Uni-Trak motorcycle rear suspension system (not to
scale). Analyze the velocities of the system. The project include the
following steps: i. Identify loops of the mechanism. ii. Estimate the maximum velocity of the motorcycle. iii. Use results of (ii) to calculate the velocity of the input link. iv. Based on the analysis of Project 2, derive the velocity equations for all loops of the machine. v. Derive the velocity equations for the critical points in the machine. vi. Write a program, preferably in Mathcad, to simulate the velocity of the machine. Use the dimensions that you developed in Project #1. vii. Use your program to plot the velocities of the links and the critical points of the machine throughout the range of motion. viii. Calculate the forces in the spring and shock absorber throughout the motion. Estimate appropriate values for the stiffness of the spring and the damping coefficient of the shock absorber. ix. Use Working Model to verify the results of your program. |
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