New Nighttime Camera System Will Allow Autonomous Trucks to Increase Productivity万博体育怎么充值
TuSimple's system will appeal to businesses that want to operate around the clock,and for longer stints than human-driven trucks.
Autonomous-trucking startupTuSimplehas developed a new camera system to help its vehicle keep on truckin' without human assistance.万博体育怎么充值TuSimple claims the system can function at night and in other challenging lighting conditions,expanding the amount of time its trucks can stay on the road.
While developers of autonomous-driving systems typically rely on a combination of cameras,radar,and lidar,TuSimple has cameras do most of the work.While its vehicles use lidar for some functions,such as close-in object detection and scanning around a trailer,TuSimple believes only cameras can provide the long-range vision needed for trucks.
"We inherently need long-range perception,"TuSimple chief product officer Chuck Price toldThe Drive.Compared to passenger cars,trucks need that extra range for safety (trucks take longer to stop than cars) and efficiency,Price said.Constantly accelerating and decelerating negatively impacts fuel economy.By looking farther down the road,the system can plan ahead to avoid that,Price said.
"As a primary sensor,cameras are really where it's at in trucks,"Price added.TuSimple claims its current,camera-heavy sensor suite can scan up to 1,000 meters (3,280 feet) ahead of a truck,something Price said isn't possible with lidar.The new camera system keeps that long range but adds the ability to operate in difficult lighting conditions vehicles are likely to experience on the road.万博体育怎么充值
The system is capable of nighttime operation and can handle the glare from sunrises and sunsets,or the headlights of oncoming vehicles,according to a statement.It was also designed to account for the abrupt transitions that occur when entering or exiting tunnels,as well as the "flicker"digital sensors often pick up from LEDs,which are used in traffic lights.That is thanks to a new sensor from Sony with increased light sensitivity,万博体育怎么充值as well as better control logic.
TuSimple currentlyhauls freight in Arizonawith a small fleet of prototype self-driving trucks.It plans to expand its fleet to 50 trucks by June and is looking to add a route in Texas.The startup expects its new camera system to allow autonomous trucks to operate more than 20 hours a day,万博体育怎么充值compared to the industry-average of 12 hours a day.The camera system will enter "volume production"later this year,TuSimple said.
Lack of clear regulations could form a roadblock to the commercializationof autonomous passenger cars,but Robert Brown TuSimple's director of public affairs doesn't anticipate that to be an issue as the company ramps up its autonomous-trucking business.Arizona and Texas provide both plenty of business and friendly regulator environments,Brown noted.He also pointed toa 2018 decisionby the Federal Motor Carrier Safety Administration that automated systems could be considered a "driver"as a positive sign.
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