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Toyota Research Institute Releases Video Showing First Demonstration of Autonomous Vehicle Platform

Toyota’s research arm has released a video showing the first demonstration of its Guardian and Chauffeur autonomous vehicle platform.

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Toyota’s research arm has released a video showing the first demonstration of its Guardian and Chauffeur autonomous vehicle platform.

The video shows the advances that the Toyota Research Institute has made with Platform 2.1, the next iteration of its “advanced safety research vehicle for autonomous driving,” conducting several test maneuvers on a closed course.

“Platform 2.1 is the first research tool for testing both Guardian and Chauffeur systems on a single vehicle using the same technology stack of sensors and software,” the Toyota Research Institute explains in a news release. “Chauffeur is Toyota’s testing version of SAE Level 4/5 autonomy where the automated system is responsible for all driving tasks, while in Guardian mode, the automated driving system acts as a safety net for the human driver to help prevent an accident.”

In the video, the Chauffeur scenarios demonstrate the test vehicle’s ability to drive itself on a closed course and navigate around road obstacles.

The “Truck with Hay Bales” test shows how the car can detect unexpected objects in its path and make safe lane changes to avoid obstacles.

“The Blocking Car” is a scenario in which the Chauffeur system detects a stalled vehicle in its path and another vehicle traveling at the same speed in the lane next to it. Here, the system slows the test vehicle down to let the adjacent vehicle pass and makes a safe lane change around the stalled vehicle, which is followed by the vehicle returning to the original lane of travel.

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The Guardian tests show the system’s ability to protect the vehicle and its occupants when the test vehicle encounters a potentially hazardous situation and takes action if the driver does not react. The Guardian system also monitors the driver’s eyes for distracted or drowsy driving.

In “The Drowsy Driver” scenario, the Guardian system detects the driver falling asleep at the wheel as the vehicle approaches a curve in the road. When the driver closes their eyes and does not steer with the road’s curvature, the system steps in and steers the car to keep it in the lane of travel.

The second Guardian scenario, “The Reveal,” shows how the system can detect debris in the road ahead of a vehicle in front of it that the driver may not see. When the vehicle ahead swerves out of the way, the Guardian system perceives the obstruction ahead and takes over for the driver to steer the car out of the way, retaining control until the driver is able to take back control of the car.

On Platform 2.1, the institute created a second vehicle-control cockpit on the front passenger side with a fully operational haptic drive-by-wire steering wheel and pedals for acceleration and braking.

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“The dual-cockpit setup allows for experimentation of effective methods to transfer vehicle control between the human driver and the autonomous system,” the institute explains. “It also supports the development of machine learning algorithms that can learn from expert human drivers and provide coaching to novice drivers.”

According to the Toyota Research Institute, Platform 2.1 also features:

  • A new high-fidelity lidar system from Luminar that provides a longer sensing range, a much denser point cloud to better-detect positions of three-dimensional objects, and a field of view that is the first to be dynamically configurable, which means that measurement points can be concentrated where sensing is needed most
  • An autonomy indicator designed into the vehicle dashboard with a consistent user interface across screens, colored lights and a tonal language that is tied into Guardian and Chauffeur
  • A real-time display of the lidar’s point cloud detection on the multi-media screen in the center stack
  • An alert system in Guardian mode that warns the driver of impending danger and prompts the driver to take back control after the Guardian system takes corrective action

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