• • • ELECTRIC VEHICLES • • •
WIRELESS BATTERY MANAGEMENT SYSTEM FOR ELECTRIC VEHICLES
manufacturers increased flexibility to scale their electric vehicle fleets into volume production across a wide range of vehicle classes. This is the first wireless battery management system available for production electric vehicles, and it will debut on General Motors’ production vehicles powered by Ultium batteries.
A The implementation of ADI’s wBMS eliminates
the traditional wired harness, saving up to 90% of the wiring and up to 15% of the volume in the battery pack, as well as improving design flexibility and manufacturability, without compromising range and accuracy over the life of the battery. ADI’s wBMS includes all integrated circuits,
hardware and software for power, battery management, RF communication, and system functions in a single system-level product that supports ASIL-D safety and module-level security building upon ADI’s proven industry leading BMS battery cell measurement technology. By delivering high accuracy for the lifetime of the vehicle, the system enables maximum energy use per cell required for best vehicle range and supports safe and sustainable zero-cobalt battery chemistries, such as lithium iron phosphate (LFP).
nalog Devices, Inc. has announced the industry’s first wireless battery management system (wBMS), which enables automotive
“The transition of battery packs from wired to
wireless connectivity enables automotive manufacturers to scale their electric vehicle platforms across multiple vehicle models to meet growing consumer demand,” says Patrick Morgan, vice president, Automotive at Analog Devices. “Our wBMS solution not only simplifies manufacturing, but also allows new systems to be built on wireless data, accelerating the entire industry towards a sustainable future. We are honoured to bring this breakthrough system innovation to market with General Motors.”
Additional system features enable batteries to
measure and report their own performance, increasing early failure detection, and enabling optimised battery pack assembly. The data can be monitored remotely throughout the battery lifecycle – from assembly to warehouse and transport through installation, maintenance and into a second-life phase. ADI and General Motors recently announced a
collaboration, bringing the wBMS technology to General Motors’ Ultium battery platform. The ADI technology helps ensure scalability of the Ultium platform across General Motor’s future lineup, which will encompass different brands and vehicle segments, from work trucks to performance vehicles. “We are pleased to collaborate with ADI to take
the wBMS technology to production as part of our ground-breaking Ultium battery platform,” says Kent Helfrich, executive director, Global Electrification and Battery Systems at General Motors. “ADI’s wBMS technology enables the more widespread electrification of our fleet, and we look forward to a continued collaboration with ADI to deliver innovation in safety, quality, and performance for the future.”
ADI
analog.com/electrification
Sustainable Autonomous Electric Transport (AET) launched
S
wedish freight mobility provider Einride has launched a range of Autonomous Electric Transport (AET) vehicles, the next generation
of its electric and self-driving ‘Pod’. Available on the global market for the first time, businesses worldwide will be able to take advantage of this technology and begin shipping as early as next year. This series of Autonomous Electric Transport
(AET) vehicles, ranging from AET 1 to AET 4, has been uniquely designed and developed for SAE level 4 self-driving and will enable businesses to reduce transport costs by up to 60% and CO2 emissions by a staggering 90%. The AET’s unique architecture and intelligent
routing software allows for safe operations without a driver, with additional proprietary remote operations technology to enable scaling of operators per vehicle. Available for pre-order, AET 1 and 2
are suitable for closed fenced facilities, harbours and public roads with the AET 3 and 4, available from 2023, boasting high speed functionality suited to long-distance highways and larger warehouses. Einride founder, Robert Falck
comments: “We can already see a strong traction from the market to start using autonomous and electric transport. The benefits are clear and we want to be the player in the market that can help our customers to make the transition to a better future of transport happen.” Eliminating diesel with electricity
16 ELECTRICAL ENGINEERING • NOVEMBER 2020
and emitting no greenhouse gases or toxic nitrogen oxides, the Pod is an environmentally and health friendly alternative to diesel powered trucks. Equipped with cameras, lidars and radars, it has 360-degree awareness of its surroundings, removing the need for a driver and resulting in no blind spots, no dead angles. With this technology, the Pods can operate
independently, do not require platooning and are able to pull into and connect to charging stations along the routes on their own. Launched in 2016, Einride’s vision was born out
of a problem to revolutionise the road transportation industry that consumes over five thousand barrels of oil and releases more than 7% of the world's energy related CO2 emissions annually. By designing and developing intelligent technologies for movement, Einride created a new type of infrastructure that has changed the way the world transport goods forever. Remotely controlled by drivers, Einride electric
trucks (notable for the lack of a driver’s cab) have become the solution of a cost effective freight transport system, with zero emissions, zero waste and zero traffic deaths.
EINRIDE
einride.tech
electricalengineeringmagazine.co.uk
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