Braking Bad: Automatic Emergency Braking Systems Struggle And Fail Where They Would Be Most Useful | Carscoops carscoops
The organization tested the systems in two T-bone scenarios, with the vehicles going straight through the intersection coming upon a vehicle crossing their path, and as the left turning vehicle driving into the path of an oncoming vehicle. These are the deadliest types of accidents in America and account for 39.2 percent of totalin crashes involving two passenger vehicles during which the striking vehicle didn’t leave the roadway or lose traction.
At 30 mph, AEB prevented a rear-end collision for 17 of 20 test runs, or 85%. For the test runs that resulted in a crash, the impact speed was reduced by 86%. But at 40 mph, AEB only prevented a rear-end crash in 6 of 20 test runs, or 30%. For test runs that resulted in a crash, the impact speed was reduced by 62%.
In both the T-bone and left-turn in front of oncoming vehicle tests, crashes occurred 100% of the time. AEB failed to alert the driver, slow the vehicle’s speed and avoid the crash. As a result of its testing, AAA recommends that automakers focus on designing their systems to better handle crashes in which injuries and fatalities are the likeliest to occur.“Automatic Emergency Braking does well at tackling the limited task it was designed to do. Unfortunately, that task was drawn up years ago, and regulator’s slow-speed crash standards haven’t evolved,” said Greg Brannon, director of AAA’s automotive engineering and industry relations.
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