| 2001 | 
| 6 |   | Iwan Ulrich,
Johann Borenstein:
The GuideCane-applying mobile robot technologies to assist the visually impaired.
IEEE Transactions on Systems, Man, and Cybernetics, Part A 31(2): 131-136 (2001) | 
| 2000 | 
| 5 |   | Iwan Ulrich,
Illah R. Nourbakhsh:
Appearance-Based Obstacle Detection with Monocular Color Vision.
AAAI/IAAI 2000: 866-871 | 
| 4 |   | Iwan Ulrich,
Illah R. Nourbakhsh:
Appearance-Based Place Recognition for Topological Localization.
ICRA 2000: 1023-1029 | 
| 3 |   | Iwan Ulrich,
Johann Borenstein:
VFH*: Local Obstacle Avoidance with Look-Ahead Verification.
ICRA 2000: 2505-2511 | 
| 1998 | 
| 2 |   | Iwan Ulrich,
Johann Borenstein:
VFH+: Reliable Obstacle Avoidance for Fast Mobile Robots.
ICRA 1998: 1572-1577 | 
| 1997 | 
| 1 | EE | Iwan Ulrich,
Francesco Mondada,
Jean-Daniel Nicoud:
Autonomous vacuum cleaner.
Robotics and Autonomous Systems 19(3-4): 233-245 (1997) |