Lotus recently unveiled the first details of the new platform that will be & agrave; used to build its future electric sports car which will arrive; in the course of 2026. The plans, however, are more & ugrave; ambitious, because & eacute; already we know that the British manufacturer plans to launch 4 new electric models within the next 5 years. The first to debut in 2022 will be; an SUV. Now, more information has emerged about the technologies these cars will adopt.
The new electric models from Lotus will feature a wireless battery management system (wBMS) developed by Analog Devices, an American company. This choice will allow; to the British car manufacturer to have greater freedom; design thanks to the net reduction of wiring that will allow; reduce the size of the battery pack. In addition, the system developed by the American company will allow; to achieve weight savings. Since we are talking about high-performance cars, these are very important details.
HOW DOES IT WORK?
As Analog Devices explains, its wBMS allows a reduction of up to 90% of the wiring and 15% of the battery pack volume. All without compromising the management of the accumulator. This is serious; possible thanks to the presence of a control unit that communicates via wireless directly with the different modules of the battery pack. The reduction of wiring brings an additional advantage that & egrave; to allow a simplified assembly and disassembly . In this way it will be & agrave; more simple to intervene to be able to carry out a repair, perhaps to replace defective cells.
In addition to all these advantages, Analog Devices also says that this wireless battery management system supports OTA updates . Through software updates it will be; therefore it is possible to optimize the management of the accumulators or to intervene in case of problems. Richard Lively , Lotus Director, Propulsion and Chassis Engineering, said:
We have worked closely with Analog Devices to integrate the wBMS into our new Lightweight Electric Vehicle Architecture (LEVA), which will be; the basis for all future electric Lotus models. Removing the wiring for the wBMS allows Lotus to offer a lightweight solution that optimizes performance, consistent with our brand's long-standing philosophy of providing powerful, high-performance cars with simplicity. of exceptional use.
Roger Keen , general manager of Analog Devices' E-Mobility group, added:
< p>Together, we have developed a game changer for the electric vehicle industry: a new ultralight powertrain architecture and a wireless battery management system that enables high performance, for greater sustainability; environmental and in favor of the health of the planet. & Egrave; essential that the battery keeps pace with longevity; of the Lotus vehicle, and the wBMS allows for health measurement, simplified assembly and disassembly of battery packs to ensure that defective cells can be removed and repaired efficiently. With wBMS, maintenance is; more simple and fast for both on-road and track vehicles, since & eacute; Battery modules are conveniently software programmable for fast and affordable over-the-air upgrades. The cell controller accompanies the battery module throughout its life, favoring a simplified service model.
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