soln27c - The Hong Kong Polytechnic University Department...

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P. 1 / 4 The Hong Kong Polytechnic University Department of Mechanical Engineering 2009/10 Semester 2 ME4209 Product Mechatronics Assignment 1 Name: Student ID: 1. Suggest ONE simple feedback control system in daily life and describe its system model with block diagram(s) and related equation(s). (30 marks) Solution: (Example) A power-steering system of an automobile. The system input is the angular position of the steering wheel. A small rotational torque applied to the steering wheel is amplified hydraulically, resulting in a force adequate to modify the output, the angular position of the front wheels.   i o o i o e o o i e H G G G G G G G G G H G G G G G G G G G H G 5 4 3 2 5 4 3 2 1 1 5 4 3 2 5 4 3 2 1 1 2. Construct a block diagram for each of the following equations: (a) 5 2 2 1 1 3 x a x a x (5 marks) or (b) 1 1 2 2 2 3 x dt dx dt x d x (5 marks) a 1 a 2 5 x 3 x 2 x 1 + + a 1 a
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soln27c - The Hong Kong Polytechnic University Department...

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