Semiconductor Equipment

Keysight on target to meet challenges for lidar testing

21 June 2023
The E8717A LTS is a compact bench setup designed to simply and accelerate testing, validation and production of automotive lidar sensors. Source: Keysight Technologies

Initially developed for use in meteorology and topography, lidar — short for light detection and ranging — is now being adopted as an automotive sensing technology that enables autonomous vehicles to “see” and safely navigate through complex driving scenarios.

As with radar-based systems, lidar sensor makers must ensure their systems quickly and reliably detect objects, enabling advanced driver assistance systems (ADAS) to work correctly before they are commercially deployed. To properly test sensors, designers often must depend upon large floor spaces and traditional target boards. The industry is also faced with reducing sensor cost and scaling to mass production.

Keysight Technologies is on target to meet these challenges with the latest expansion to its portfolio of autonomous driving validation test solutions: the E8717A Lidar Target Simulator (LTS), a compact bench setup designed to simplify and accelerate the testing, validation and production of automotive lidar sensors through standardization and automation.

According to a Keysight, the LTS is capable of simulating target distances from 3 to 300 meters and surface reflectivity from 10% to 94%, saving valuable test floor space. The setup incorporates a collaborative robot (cobot), providing precise device movement for field-of-view testing, while also drawing upon automated software to accelerate testing and throughput to support volume production.

The LTS is designed to give users the ability to:

  • Simulate and automatically sweep in distance and reflectivity
  • Implement both solid-state and mechanical rotating lidar sensors
  • Perform 3D/real-world object simulation
  • Improve quality and yield with insights from innovative visualization and analytical software

A full solution is available from Keysight, or the simulator can be paired with a cobot of choice.

“Keysight sees an exciting role that lidar can play in enabling autonomous vehicles to navigate more accurately with an extra sensor that complements cameras and radars,” explained Thomas Goetzl, vice president and general manager for Keysight Automotive & Energy Solutions. “With the market’s first cobot-assisted lidar target simulator with variable distance and reflectivity simulation, we are ready to support a volume roll out of lidar with a scalable manufacturing test solution.”

GlobalSpec also offers a specification guide for lidar sensors.

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