Define the task and data
Represent the environment as occupancy grids or simulator traces and decide success criteria such as zero collisions and bounded path length.
Obstacle avoidance robot controller. Measure path length and collisions.
Obstacle avoidance for mobile robots commonly separates planning (find a collision-free path) from control (track the path on a real robot). Planning must consider environment geometry, dynamic obstacles and the robot's motion constraints; common metrics are path length, collisions, and control latency.
Learning concept · Not a validated service
Obstacle avoidance for mobile robots commonly separates planning (find a collision-free path) from control (track the path on a real robot). Planning must consider environment geometry, dynamic obstacles and the robot's motion constraints; common metrics are path length, collisions, and control latency.
A proposed application is short-range navigation for indoor mobile robots (warehouse or campus delivery). In practice the planner must be extended with perception, state estimation, and a low-level controller before it is safe to deploy; keep a human or safety supervisor in the loop during testing.
Represent the environment as occupancy grids or simulator traces and decide success criteria such as zero collisions and bounded path length.
Start with a deterministic graph or grid planner (A* or Dijkstra) to produce a collision-free path on static maps.
Convert planned waypoints to velocity or steering commands, and fuse sensor data so the controller can react to moving obstacles.
Measure path length, collision rate in simulation, tracking error and control latency; test with varied maps and dynamic obstacles.
The supplied starter implements A* path planning on a tiny hard-coded 4×5 grid: it locates S and G, expands neighbors, uses Manhattan heuristic, reconstructs and prints the planned path and its length. It does not implement a robot controller, sensor processing, dynamics, ROS integration or dataset handling.
while frontier:
_, current = heapq.heappop(frontier)
if current == goal:
break
for nxt in neighbors(current):
new_cost = cost_so_far[current] + 1
if nxt not in cost_so_far or new_cost < cost_so_far[nxt]:
cost_so_far[nxt] = new_cost
priority = new_cost + heuristic(nxt, goal)
heapq.heappush(frontier, (priority, nxt))The code only performs open-loop A* planning on a static, hard-coded grid and lacks any robot control, actuator commands, sensor input, dynamics model or ROS/simulator integration required for a true robot controller.
Proposed extension: replace the hard-coded grid with simulator traces or live sensor occupancy maps, run planning in a loop with obstacle updates, and add a low-level controller that converts waypoints to velocity/steering commands.
This is a potential application pathway, not a delivered product. The supplied starter does not implement this service or validate it with real users.
Networkers Home runs this topic inside its AI Engineer Course, with placement support and hands-on labs.