Jan 27, 2022  
2020-2021 Course Catalog 
    
2020-2021 Course Catalog [ARCHIVED CATALOG]

Add to Portfolio (opens a new window)

ELT 781 - Electro-Mechanical Systems

Credits: 2
Lecture Hours: 2
Lab Hours: 0
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
The basic theories, concepts and principles of such electro-mechanical devices as relays, contactors, and DC/AC motors will be covered, along with the basic principles of mechanical relationships: gears, pulleys, belt drives, wheel and axle, inclined plane, screw, wedge and levers. Pneumatic devices such as compressors, motors, valves and actuators are covered, along with basic sensors.
Prerequisite: ELT 387 , ELT 388 .
Corequisite: ELT 782  
Competencies
  1. Analyze the operation of electro-magnetic devices
    1. Describe the operation of relays and contactors
    2. Relate the operation of solenoids
    3. State the operation of DC and AC motors and generators
  2. Analyze simple machines
    1. Determine how energy is transferred using simple machines
    2. Evaluate the efficiency and mechanical advantages of simple machines
    3. Distinguish the three types of levers and the mechanical advantage of each
    4. Determine the mechanical advantage of the wheel and axle
    5. Evaluate the mechanical advantage of the pulley
    6. State the mechanical advantage of the inclined plane
    7. Determine the mechanical advantage of the screw
  3. Analyze rotational motion
    1. Distinguish between rectilinear, curvilinear and rotational motion
    2. Apply the torque equation to rotational problems
    3. Calculate the centripetal force of moving objects
    4. Find power in rotational systems
    5. Evaluate how gears and gear trains are used to transfer rotational power
  4. Analyze non-concurrent forces
    1. Solve parallel force problems
    2. Express the conditions of equilibrium using torque concepts
    3. Calculate center of gravity
  5. Discriminate the gas laws pertaining to pneumatics
    1. State the relationship between gas temperature and pressure
    2. Calculate gas temperatures relative to pressures
    3. State the relationship between gas pressure and volume
    4. Find gas pressures relative to volume
    5. Determine gas pressures relative to volume and temperature
  6. Explain generation, regulation, and measurement of compressed air
    1. Describe how the gas laws apply
    2. Outline the use of a pneumatic cylinder
    3. Evaluate the various types of pressure regulators
    4. Determine the operation of the various types of pressure regulators
    5. Describe the operation of displacement compressors
    6. State the operation of dynamic compressors
  7. Explain the measurement of compressed air
    1. Review the operation of a Burdon tube
    2. Describe the operation of a manometer
    3. Compare the various types of pressure regulators
  8. Explain how valves are used in controlling pneumatic energy
    1. State the operation of the various valves
    2. Describe the construction of the various valves types
    3. Identify valve functions by their symbol
  9. Explain how pneumatic power may be used to develop rotary mechanical power
    1. Describe the operation of the piston type motor
    2. Outline the operation of the van type motor
    3. Describe the operation of the turbine type motor
  10. Explain the construction, operation and applications of pneumatic cylinders
    1. Review the operation of a pneumatic cylinder
    2. Describe the types of pneumatic cylinders
    3. Identify the parts to a pneumatic cylinder
    4. Calculate the force delivered by a cylinder



Add to Portfolio (opens a new window)