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Unformatted text preview: UNIVERSITY OF MISSOURI - COLUMBIA DEPARTMENT OF MECHANICAL AND AEROSPACE ENGINEERING MAE 3800 Instrumentation and Measurements Laboratory EXPERIMENT #6 Dynamic characteristics of a DC permanent magnet motor Due: Thursday, April 22 1. Introduction: DC permanent magnet motors are widely used in the control of engineering systems. Obtaining their dynamic characteristics requires a dynamometer and simultaneous measurement of motion (shaft rpm) and force (shaft torque). 1.1 Objective: To use an optical tachometer for shaft speed measurement To learn to calibrate a torque sensor To obtain the torque-speed curves of the DC motor 1.2 Equipment: DC motor with torque sensors and an MR fluid dynamometer. Strain readout units. Photo-diodes and frequency counter. 1.3 Suggested reading: sections 3.14, 3.15 (graphing and curve fitting), 6.15-6-16 (solid-state optical sensors), 7.8- 7.9.1, 7.18.1 (bridge circuits), 12.1-12.8.1 (strain gages), 13.4-5 (elastic load cells) 1.4 Report format You are required to prepare a technical memo addressed to your lab instructor....
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This note was uploaded on 01/12/2011 for the course MAE 3800 taught by Professor Feng during the Spring '10 term at Missouri (Mizzou).
- Spring '10