System of and method for designing reflector array for vehicle localization
A 3D passive reflector array design for imaging radar ensures compact, detectable, and unique localization, overcoming installation and environmental challenges, achieving high-integrity vehicle localization in complex transportation systems.
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- HITACHI RAIL GTS CANADA INC
- Filing Date
- 2025-12-29
- Publication Date
- 2026-07-09
AI Technical Summary
Existing vehicle localization methods in ground transportation systems face challenges such as high installation and maintenance costs, reliance on active infrastructure, insufficient accuracy, and lack of robustness under environmental variations, particularly in complex environments with multiple tracks or regions.
A novel 3D passive reflector array design using imaging radar, systematically ensuring compact size, detectability, and uniqueness, with a simulation environment to verify performance across various guideway topologies, incorporating temporal tracking and interpretable object-matching features.
Provides cost-effective, scalable, and high-integrity vehicle localization with centimeter-level accuracy, addressing sensor errors and environmental changes, suitable for safety-sensitive applications like autonomous trains.
Smart Images
Figure IB2025063527_09072026_PF_FP_ABST