Week 25 Quiz

Autonomous Navigation and Path Planning

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Quiz Questions

1. What is autonomous navigation?

A) Programming robots to move very fast B) The ability of a robot to move from one location to another without human control C) Using GPS to control robot movement D) Remote control of robots using smartphones

2. Which of these is NOT a key component of navigation?

A) Localization (knowing where the robot is) B) Path planning (finding the best route) C) Color recognition (identifying object colors) D) Obstacle avoidance (detecting and avoiding barriers)

3. How does the wall-following (bug) algorithm work?

A) Move toward goal until obstacle is hit, then follow the obstacle boundary B) Always move in straight lines regardless of obstacles C) Use GPS coordinates to navigate around walls D) Create a map of all walls before moving

4. What is the main advantage of the A* (A-star) algorithm?

A) It works without any sensors B) It finds the shortest path efficiently C) It only works in outdoor environments D) It makes robots move faster than other algorithms

5. In the potential field method, how do goals and obstacles affect robot movement?

A) Goals repel the robot, obstacles attract it B) Goals attract the robot, obstacles repel it C) Both goals and obstacles repel the robot D) Neither goals nor obstacles affect movement

6. What is grid-based path planning best suited for?

A) Unknown environments with many surprises B) Known environments where obstacles don't move C) Outdoor environments with no boundaries D) Environments that change constantly

7. Which real-world application uses autonomous navigation?

A) Self-driving cars B) Warehouse robots C) Mars rovers D) All of the above

8. What should a robot do when its planned path is blocked by a new obstacle?

A) Stop and wait for the obstacle to move B) Replan its path to go around the obstacle C) Return to the starting position D) Push the obstacle out of the way

9. Imagine you're designing a robot to navigate a hospital to deliver medicine. What challenges would it face, and what navigation features would be most important? Describe at least three specific considerations. (Short Answer)

10. Compare the wall-following algorithm and grid-based path planning. When would you use each one, and what are the advantages and disadvantages of each approach? (Short Answer)

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