According to the report of Memes, at the "AutomoTIve Future Summit Spring" summit held on April 13, 2018, Mr. Iwai, the director of Valeo's comfort and driving assistance system Japan/ASEAN, said: "At L3 level In or higher-level autonomous vehicles, 3DLiDAR is essential for sensor redundancy systems."
Valeo Comfort and Driving Assistance System Japan/ASEAN R&D Director Mr. Iwai Admiral
“In auto-driving vehicles of class L3 or above, the manufacturer is responsible for the accident, so in addition to the powerful system design, the redundancy of the sensors and actuators is indispensable. As for the sensors, the camera and the millimeter-wave radar complement each other. But the whole system can't be said to have redundancy," said Mr. Iwai.
Valeo's SCALA LiDAR is the first LiDAR sensor to be mass-produced for car gauge applications. It is now equipped with the world's first production car Audi A8 with L3 autopilot technology. The Audi A8 is the first mass production with LiDAR sensor. Model. In addition, the Audi A8 is equipped with 12 ultrasonic sensors, 5 cameras and 5 radars. Together with these 22 sensors, it forms a detection system covering the far and near distance.
Valeo's SCALA LiDAR structure diagram. The upper left laser diode emits laser light to the right to the rotating scanning mirror (750 rpm) and is deflected forward to emit (scanning angle 145°), and then the reflected light from the object outside the vehicle is received by the optical system through the detector at the lower left.
For example, millimeter-wave radars have advantages in speed resolution, and cameras have advantages in angular resolution. Millimeter-wave radars dominate in inclement weather and nighttime operations, and cameras excel in object classification and recognition. LiDAR sensors, on the other hand, "have balanced performance," including speed resolution, angular resolution, severe weather, nighttime operation, object classification, and the like. In other words, LiDAR sensors can be used as redundant (backup) systems.
Camera, radar, LiDAR sensor comparison (upward arrow indicates higher performance)
According to previous reports from Memes Consulting, in November 2017, Valeo provided the world's first LiDAR sensor that meets the car standard, the SCALA Gen.1 (first generation), for the German Audi A8. In addition, Audi's new A7 and A6 sedan also use the same LiDAR sensor. In 2020, Valeo will launch the "SCALA Cocoon" system, which combines five SCALAs to achieve 360° object detection around the car. Valeo is currently working with a specific car manufacturer to develop the system.
Valeo SCALA LiDAR Product Roadmap
According to the Valeo SCALA LiDAR product roadmap, in 2020, Valeo will introduce SCALA Gen.2 (second generation) with a three-fold increase in vertical field of view. At the time of pedestrian recognition, SCALA Gen.1 (first generation) can only detect the position of the human leg due to the small field of view in the vertical direction. By increasing the viewing angle of the LiDAR sensor in the vertical direction by three times, the "body" part of the pedestrian can be detected, thereby greatly improving the accuracy of pedestrian recognition. In addition, after 2020, Valeo will plan to introduce solid-state LiDAR “SCALA Gen.3†(third generation) with MEMS scanning mirrors.
Increase the viewing angle in the vertical direction to improve recognition accuracy
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