140 Industrial Robotics Fundamentals Copyright Goodheart-Willcox Co., Inc. Copyright Goodheart-Willcox Co., Inc. 5. What are three kinds of motion used in automated applications of mechanical systems? 6. Give an example of a mechanical system used in industry. 7. How are sensing systems, timing systems, and control systems used in the operation of industrial robots? 8. How do non-servo and servo control systems for a robot differ? 9. Explain the difference between full control and partial control in an open- loop control system for a robot. What methods are used to achieve each type of control? 10. What is the function of feedback in a closed-loop system with automatic correction control? 11. What is an electric motor and what are the basic parts of an electric motor? 12. Describe the relationship of load, speed, cemf, current, and torque in an electric motor. 13. What does the horsepower rating of a motor represent? 14. Identify four types of dc motors and list the characteristics of each. 15. Identify the various types of single-phase ac motors and list unique characteristics of each type. 16. What factors contribute to the speed of an ac induction motor? 17. Describe the purpose of a servo system. 18. Describe the basic construction of a synchronous motor. 19. What is a dc stepping motor? Learning Extensions 1. Select a piece of equipment or a machine and identify the parts of its system (energy source, transmission path, control, load, indicators). 2. Choose a type of electric motor and search the Internet to fi nd the specs and operational information, such as horsepower ratings available, cost, and common applications. 3. Make a sketch of a type of electric motor that includes illustrations of a simplifi ed rotor and stator. Describe how rotation is achieved. 4. Go to the websites for manufacturers and obtain information on rotary actuators that may be used with robotic systems. Advanced Analysis 1. What are some typical applications of an industrial environment system? Perform research as needed.