BAE Systems has filed a patent for an active vibration control system with a driving mechanism and control mechanism, including an electromagnetic actuator. The system can actively control vibrations of a base structure by applying force, with at least two vibration modes and interlinked movement between mechanisms. GlobalData’s report on BAE Systems 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 BAE Systems, AR/VR head-up displays was a key innovation area identified from patents. BAE Systems's grant share as of January 2024 was 51%. Grant share is based on the ratio of number of grants to total number of patents.

Active vibration control system with driving and control mechanisms

Source: United States Patent and Trademark Office (USPTO). Credit: BAE Systems Plc

The patent application (Publication Number: US20240035536A1) describes an active vibration control system that includes a driving mechanism and a control mechanism with an electromagnetic actuator. The driving mechanism applies a force on a base structure to actively control vibrations, with the system having at least two modes of vibration. The control mechanism can control the movement of the driving mechanism and tune the modes of vibration. Additionally, a control system regulates the current flow to the electromagnetic actuator, which comprises a coil and a movable member with a permanent magnet.

Furthermore, the system allows for the adjustment of vibration modes by controlling the current supplied to the coil or coil portions. The electromagnetic actuator and driving mechanism can be resiliently attached, and the system can be attached to various structures, including vehicles. The method outlined in the patent involves attaching the system to a base structure and operating the driving mechanism to apply a force to control vibrations actively. The system's versatility is highlighted by its application in different types of vehicles, such as ground-based, aquatic, or airborne vehicles. Overall, the patent presents an innovative approach to actively controlling vibrations in various settings, offering a practical solution for mitigating unwanted vibrations in different applications.

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GlobalData, the leading provider of industry intelligence, provided the underlying data, research, and analysis used to produce this article.

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.