Chapter_6_electromec - ME 375 System Modeling and Analysis Section 6 Electromechanical Systems Spring 2009 School of Mechanical Engineering Douglas

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ME 375 System Modeling and Analysis Section 6 – Electromechanical Systems Spring 2009 School of Mechanical Engineering Douglas E. Adams Asscociate Professor
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Key Points to Remember Electromechanical and magnetomechanical systems work because electrical/magnetic properties change with motion or force and vice versa Resistive coupling (potentiometer) Magnetic coupling (DC motor) Capacitive coupling (accelerometer/comb drive) Piezoelectric coupling (accelerometer) Control systems usually contain these types of systems: We need sensors to measure outputs We need actuators to create inputs We need sensors to measure inputs © 2009 D. E. Adams ME 375 – Electromechanical systems 6.1
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ME 375 – Electromechanical systems 6.2 Potentiometers Electromechanical voltage dividers Potentiometers are variable resistors and involve kinematic coupling only Position of wiper determines the resistance No dynamics are involved Relationship between resistance and position q R 2 V R 1 Load R s Meas. Nonlinear coefficient
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This note was uploaded on 08/28/2010 for the course ME 375 taught by Professor Meckle during the Spring '10 term at Purdue University-West Lafayette.

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Chapter_6_electromec - ME 375 System Modeling and Analysis Section 6 Electromechanical Systems Spring 2009 School of Mechanical Engineering Douglas

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