(NMVCCS) found that the passenger cars were more likely to be the encroaching vehicle in the crash, and 71
percent of the critical reasons for the crashes were assigned to the car, rather than to the truck. Furthermore, driver
factors such as fatigue, impairment, or aggression were more frequently associated with the driver of the passenger
car, while vehicle factors, such as equipment failures and maintenance issues, tended to be more frequently
associated with the truck [20]. Thus, the capabilities, requirements, and design of the automation systems for heavy
vehicles need to start with understanding the crash scenarios encountered in these types of vehicles, especially in
lower levels of automation such as Level 2 as defined in SAE J3016 [21], wherein the driver retains a large portion
of the responsibility for monitoring the roadway and traffic conditions. Simply automating the speed control and
steering, while leaving the driver in charge of speed selection and monitoring, may have a much larger impact on
passenger car safety, where 16 percent of all crashes were associated with some form of distraction [22], but less of
an impact on truck crashes, where the top three critical reasons leading to single vehicle truck crashes included
driving too fastfor conditions or curves, falling asleep at the wheel, and vehicle component failures or cargo shifts
[23]. For the automation system to have an impact on some of the key truck crash scenarios, the system
requirements may need to include speed advisories, automatic speed adjustments, driver alertness monitoring, and
even a safe stop ability should the driver become non-responsive.
(NMVCCS) found that the passenger cars were more likely to be the encroaching vehicle in the crash, and 71percent of the critical reasons for the crashes were assigned to the car, rather than to the truck. Furthermore, driverfactors such as fatigue, impairment, or aggression were more frequently associated with the driver of the passengercar, while vehicle factors, such as equipment failures and maintenance issues, tended to be more frequentlyassociated with the truck [20]. Thus, the capabilities, requirements, and design of the automation systems for heavyvehicles need to start with understanding the crash scenarios encountered in these types of vehicles, especially inlower levels of automation such as Level 2 as defined in SAE J3016 [21], wherein the driver retains a large portionof the responsibility for monitoring the roadway and traffic conditions. Simply automating the speed control andsteering, while leaving the driver in charge of speed selection and monitoring, may have a much larger impact onpassenger car safety, where 16 percent of all crashes were associated with some form of distraction [22], but less ofan impact on truck crashes, where the top three critical reasons leading to single vehicle truck crashes includeddriving too fastfor conditions or curves, falling asleep at the wheel, and vehicle component failures or cargo shifts[23]. For the automation system to have an impact on some of the key truck crash scenarios, the systemความต้องอาจต้องรวมแม้ความเร็ว ปรับความเร็วอัตโนมัติ ตรวจสอบ การเตรียมพร้อมไดรเวอร์ และความปลอดภัยการหยุดความสามารถควรไดรเวอร์จะไม่ตอบสนอง
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