The Seven Challenges
Challenge #1 - Line-Following: Design and implement a lego robot that will follow a line through sudden turns up to 90 degrees.
Challenge #2 - Intersection-Finding: Design and implement a lego robot that will follow a line as in (1), but stop when it comes to an intersection of two or more lines.
Challenge #3 - Intersection-Choosing: Design and implement a lego robot that will, beyond (1) and (2), exit the intersection at the nth spoke clockwise from the line it travelled.
Challenge #4 - Intersection-Traversing: Design and implement a lego robot that will perform (3) in succession given n1, n2, n3, ...
Challenge #5 - Search and Traverse: Design and implement a lego robot that, given a graph topology, its current intersection and heading, and its goal intersection and heading, will generate a sequence of moves and perform (4).
Challenge #6 - Localize, Search, and Traverse: Design and implement a lego robot that, given all that is given in (4) except its current intersection and heading, will take action to ascertain its state (localize), and then perform (5).
Challenge #7 - Explore, Search, and Traverse: Design and implement a lego robot that explores lines and intersections, forms a graph roadmap, and moves to a graph intersection with the following property: Let d(i,j) be the minimum number of edges to travel to get from intersection i to intersection j. Let D(i) be max(d(i,j)) for all j. A goal intersection has the minimum D(i).
Goal 1: Develop an improved design for performing all previously achieved challenges. (You must clearly describe and demonstrate the improvement.)
Goal 2: Use the previous design to achieve the next challenge(s).
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