# Differential-drive mobile robot obstacle avoidance project combining Hamilton-Jacobi-Bellman and Fast Marching Square

- Source: Reddit r/robotics
- Published: 2026-10-22T00:15:06.000Z
- RoboHot: https://robohot.news/en/items/p5loy9b3nxoztn8ysxfhcu6h2
- Original: https://www.reddit.com/r/robotics/comments/1xc3uta/i_call_this_projectenvironment_mobile_robot_catch/

## Summary

Reddit user /u/Double-Horse-1344 shared a differential-drive mobile robot (DDMR) obstacle avoidance project that combines Hamilton-Jacobi-Bellman (HJB) with Borenstein & Koren's virtual force field (VFF) method and Fast Marching Square.