Daimler Truck has patented a method for vehicle operation that enables lane-keeping control using detected lane markings or, in their absence, a mapped-based approach utilizing digital map data for vehicle localization. This includes both rough and fine localization techniques to determine the vehicle’s course. GlobalData’s report on Daimler Truck gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Daimler Truck, was a key innovation area identified from patents. Daimler Truck's grant share as of July 2024 was 34%. Grant share is based on the ratio of number of grants to total number of patents.
Lane-keeping control method using digital map localization
The patent US12060061B2 outlines a method and device for operating a vehicle with an emphasis on lane-keeping control. The method involves two primary scenarios: when lane markings are detected and when they are not. In the presence of lane markings, the vehicle determines its course based on these markings. Conversely, when lane markings are absent or unclear, the vehicle utilizes a digital map to ascertain its course. This process includes rough localization of the vehicle's position using a localization system, followed by fine localization, which involves comparing the identified lane portion with a previously recorded path traveled by the vehicle. The method is particularly designed to function during emergency situations, such as when the driver is unfit to operate the vehicle, allowing for automated lane-keeping control.
The device designed to implement this method comprises several components, including a control unit for steering, a detection unit for lane markings, and a reception unit for signals from a global navigation satellite system. Additionally, it features a sensor system and memory unit to record the vehicle's path. A processing unit is responsible for determining the lane course based on detected markings or, in their absence, using the digital map data. The device is also equipped to assess the driver's responsiveness, ensuring that the vehicle can safely execute an emergency stop if the driver fails to respond to prompts. This innovative approach aims to enhance vehicle safety and control, particularly in critical driving conditions.
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