BAE Systems had 23 patents in future of work during Q4 2023. BAE Systems Plc has developed a system for controlling load sharing between multiple generators mechanically coupled to a prime mover’s output shaft. The system includes inverters connected to generators, with processors controlling each generator based on a common speed command adjusted for droop. Additionally, a power supply design includes modules for converting high voltage DC to low voltage DC and high voltage AC, all mounted in stackable chassis for easy replacement as a single unit. GlobalData’s report on BAE Systems gives a 360-degreee view of the company including its patenting strategy. Buy the report here.
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BAE Systems grant share with future of work as a theme is 52% in Q4 2023. Grant share is based on the ratio of number of grants to total number of patents.
Recent Patents
Application: Parallel variable speed generator control (Patent ID: US20230406286A1)
The patent filed by BAE Systems Plc describes a system for controlling load sharing between multiple generators mechanically connected to the output shaft of a prime mover. The system includes inverters connected to the generators, with each inverter having a processor to control the respective generator. The processors adjust a common speed command based on the output shaft speed, create a droop, determine torque commands, and supply them to the generators. The system aims to efficiently distribute power among the generators based on the speed and torque requirements.
The system also includes a first processor that communicates torque commands to the engine and speed commands to the inverters via a controller area network (CAN) to achieve a target power level. The generators are permanent magnet generators, and speed can be determined using speed sensors or back EMF. In case of faults, the system can adjust torque commands or disable faulty components. Additionally, a gearbox can be included to connect the engine output shaft to the generators. Overall, the system provides a sophisticated control mechanism for load sharing in a hybrid electric vehicle (HEV) to optimize power distribution and efficiency based on real-time operational parameters.
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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.
