According to a news report from Reuters on June 20, last year, in Florida, a Tesla Model S electric car crashed when Autopilot semi-autonomous driving was turned on, causing the car driver to die on the spot. The U.S. government released a report on Monday saying that although the car repeatedly issued warnings, the driver still left his hands off the steering wheel for a long time.
The National Transportation Safety Board (NTSB) issued an investigation of about 500 pages in response to the accident that led to the death of former US Navy SEAL team player Joshua Brown near Williston, Florida. report. Brown's Model S sedan collided with a truck in Autopilot semi-autopilot mode, and Brown was killed on the spot.
Tesla spokesman Keely Sulprizio declined to comment on the NTSB report. Brown's family lawyer did not reply to the request for comment.
The accident raised questions about the safety of the Autopilot system, which can perform long driving tasks with little or no human intervention, but it cannot completely replace human drivers.
In the report, the NTSB stated that during this 37-minute journey, Brown needed to put his hands on the steering wheel, but he obviously spent only 25 seconds.
The report stated that Brown had activated the Autopilot mode for most of the trip. The system issued a visual warning to him seven times and issued "Hands Required Not Detected (the hands need to be on the steering wheel, but the system did not detect it)." Voice warning.
During this process, the system issued a warning tone for one to three seconds, then reissued the “Hands Required Not Detected†warning, which was repeated six times.
In September last year, Tesla announced the upgrade of the Autopilot system, adding new restrictions to the driver's hands leaving the steering wheel while driving and other functions. The company's CEO, Elon Musk, said that these features may help prevent Tesla cars from crashing. In the upgraded Autopilot system, if the driver does not respond to the voice warning of the “control vehicle†issued by the system, the system will temporarily prevent the owner from using the system.
The NTSB made safety recommendations to Tesla but did not order the company to recall its cars.
In January of this year, the National Highway Traffic Safety Administration (NHTSA) stated that in the incident leading to Brown’s death, there was no evidence of any embarrassment in the Tesla electric vehicle.
The NHTSA stated that Brown had not taken braking measures before colliding with the truck, and his last action was to set the cruise control in less than 2 minutes before the crash, setting the speed to 74 miles per hour (119 kilometers). Above the speed limit of 65 miles per hour.
The agency stated that Brown should be able to see the truck within at least 7 seconds before the crash. The report said: "Brown did not take the brakes, steering or other actions to avoid collision."
A spokesman for the Florida Highway Patrol Department said that the truck driver in the accident was accused of traffic violations. He will be on trial on Wednesday.
The NTSB report disclosed that the Tesla Model S uses proprietary systems to record car speeds and other data, and that government agencies cannot access the system using conventional commercial tools.
Therefore, NTSB stated that "we must rely on Tesla to provide relevant data."
(Liu Chun)
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