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“There’s a lot of racks for hardware in there,” Lindgren said. Five computers host software and feedback control logic for actuation, recording up to 1 terabyte (TB) of data per hour of driving. A global navigation satellite system with an inertial measurement unit combined with a LiDAR point cloud on a high-definition map provides location accuracy to within a centimeter. “We’re using this as a test bed to try out different sensors and LiDAR,” Lindgren said. Three LiDARs from two different suppliers, three radars and six cameras sense the surrounding road environment and feed fusion algorithms in the perception stack to identify and track objects. Mechanical modifications include redundant steering torque overlay system, an upgraded high-capacity alternator and a high-fidelity electronically controlled air-braking system and rear seats in the place of a sleeper berth to accommodate engineers for ride-alongs. A year ago at CES, autonomous startup Tu Simple showed its similarly equipped truck, which is now running revenue-generating routes with a safety driver in the U.S. Southwest. Daimler Trucks North America is testing its Level 4 Freightliner Cascadia on public roads in Virginia near Torc Robotics, the 13-year-old software provider it purchased in March 2019 to speed its readiness for automated trucking. “We’re learning about how to do autonomous trucks,” said Lindgren, who separately oversees Kenworth’s partnership with Toyota Motor Corp. in the development of 10 Class 8 hydrogen fuel cell electric trucks. “We’re doing a lot of the (autonomous) software development ourselves. We’re also having others do software development for us so it gives us a chance to learn about that too,” he said. A day before Kenworth’s quiet reveal at CES, German supplier ZF Friedrichshafen said it would provide a fully autonomous system for an unidentified commercial vehicle customer by 2025.

“There is a lot of development that is happening in the automotive industry overall that is accelerating some of this,” Lindgren said. “Not all of it is really built for heavy trucks. It doesn’t have the kind of longevity and durability that we need.”

But Lindgren said 2025 is a reasonable time frame for autonomous trucks to be on the road and operating in a terminal environment.

He discounts remote-controlled driverless trucks like those promoted by Starsky Robotics and Stolkholm, Sweden-based Einride.

“There will be a lot of telemetries so the home office knows where it is,” Lindgren said. “Will somebody be watching a screen and piloting? I don’t see that happening. Certainly you can do that, but I don’t know if that is where the gains will be.”