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Assignment 2 Spring 2011

Assignment 2 Spring 2011 - 10 How is the operation of a...

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16 Homework #2 REVIEW QUESTIONS 1. What is a sensor? 2. What is the difference between an analog sensor and a discrete sensor? 3. What is the difference between an active sensor and a passive sensor? 4. What is the transfer function of a sensor? 5. What is an actuator? 6. Nearly all actuators can be classified into one of three categories, according to type of drive power. Name the three categories. 7. Name the two main components of an electric motor. 8. In a DC motor, what is a commutator? 9. What are the two important disadvantages of DC electric motors that make the AC motor relatively attractive?
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Unformatted text preview: 10. How is the operation of a stepper motor different from the operation of conventional DC or AC motors? 11. What is a solenoid? 12. What is the difference between a hydraulic actuator and a pneumatic actuator? 13. Briefly describe the three phases of the analog-to-digital conversion process? 14. What is the resolution of an analog-to-digital converter? 15. Briefly describe the two steps in the digital-to-analog conversion process? 16. What is the difference between a contact input interface and a contact output interface? 17. What is a pulse counter?...
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  • Spring '11
  • HishamAbu-Nabaa
  • Electric motor, analog-to-digital conversion process, discrete sensor, analog sensor, passive sensor

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