The Roadside Object Surrogate for Vehicle Active Safety System Testing-Metal Guardrail
Roadside object surrogates are representative of real objects to the sensors used in object detection systems. and These surrogates can be used for performance assessment of such in-vehicle systems (including warning, steering, and/or braking) in real world test scenarios/conditions. This document includes surrogate roadside object specifications for metal guardrails for use when assessing: vision, 800-1100 nm Lidar, and/or 76 to 78 GHz radar-based object collision mitigation systems.
Rationale: Road Departure (RD) is the number one cause of fatal crashes in the United States. According to the Fatality Analysis Reporting System (FARS) by National Highway Traffic Safety Administration (NHTSA), an annual average of 18,779 fatalities were caused by roadway departure from 2014 to 2016, which covers 53 percent of all traffic fatalities in the United States. Road departure mitigation system (RDMS), a vehicle active safety feature, uses road edge objects to determine potential road departure. In the U.S., 45%, 16%, and 15% of car-mile (traffic flow * miles) roads have grass, metal guardrail, and concrete divider as road edge, respectively. It is difficult to test RDMS with real roadside objects. Lightweight and crashable surrogate roadside objects that have representative radar, LIDAR and camera characteristics of real objects have been developed for testing. It is necessary to develop a technical standard to specify the requirements of the surrogate roadside objects.