REE Automotive has patented a control system for electric vehicles with multiple corner modules, each having drive, steering, and braking subsystems. The system includes VCM-controllers onboard each module, enabling seamless operation in a no-fault mode. This innovation allows for efficient and coordinated control across different vehicle components. GlobalData’s report on REE Automotive 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 REE Automotive, In-wheel motor EV suspensions was a key innovation area identified from patents. REE Automotive's grant share as of January 2024 was 36%. Grant share is based on the ratio of number of grants to total number of patents.

Control system for electric vehicles with multiple corner modules

Source: United States Patent and Trademark Office (USPTO). Credit: REE Automotive Ltd.

A recently granted patent (Publication Number: US11845455B2) discloses a control system for electrically-powered vehicles, specifically designed for vehicles equipped with multiple electrically-powered vehicle corner modules (VCMs). Each VCM consists of subsystems such as drive, steering, and braking systems. The control system includes a network of VCM-controllers, each installed within a different VCM and linked to the subsystems to receive sensor data and regulate their operation based on incoming signals. In a no-fault operating mode, each VCM-controller concurrently regulates the actuation of a subsystem in its VCM and at least one other VCM, ensuring seamless coordination between different modules.

Furthermore, the patent details fault-responsive operating modes where VCM-controllers adapt their regulation based on system faults. In these modes, VCM-controllers disable or enable the regulation of subsystems in different VCMs, ensuring safety and functionality in case of faults. The system also allows for customization based on operating profiles assigned to each VCM, enhancing adaptability and performance. Overall, the patented control system offers a sophisticated approach to managing electrically-powered vehicles with multiple VCMs, ensuring efficient and safe operation under various conditions.

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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.