RTX has been granted a patent for a method and system that detects erroneous velocity data in vehicles. The system utilizes a brake control unit and a velocity sensor to analyze time-series data, calculating acceleration and jerk to identify discrepancies that exceed a predetermined threshold, indicating potential errors. GlobalData’s report on RTX 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 RTX, Photovoltaic drones was a key innovation area identified from patents. RTX's grant share as of June 2024 was 64%. Grant share is based on the ratio of number of grants to total number of patents.
Erroneous velocity data detection in vehicle braking systems
The patent US12043240B2 describes a sophisticated system for controlling the braking force applied to a vehicle's wheel, focusing on the detection and management of errors in measured vehicle velocity data. The system includes a brake control unit that receives velocity data from a velocity sensor and processes this information to calculate acceleration and jerk data. By comparing estimated acceleration data with the calculated acceleration data, the system can identify discrepancies that exceed a predetermined threshold, indicating potential errors in the velocity data. The brake control unit is designed to filter both velocity and acceleration data, enhancing the accuracy of the calculations and ensuring reliable braking performance.
Additionally, the patent outlines a method for detecting erroneous velocity data through a controller that communicates with the onboard velocity sensor. This method involves a series of calculations, including the generation of an error hold flag when discrepancies are detected. The controller can then command braking forces based on either the last known correct acceleration data or the calculated acceleration data, depending on the status of the error detection. The system's design incorporates filtering mechanisms to improve data integrity and employs logic to reset integrators when errors are identified, thereby ensuring a robust and responsive braking control system for vehicles.
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GlobalData Patent Analytics tracks bibliographic data, legal events data, point in time patent ownerships, and backward and forward citations from global patenting offices. Textual analysis and official patent classifications are used to group patents into key thematic areas and link them to specific companies across the world’s largest industries.
