Self driving cars failed 2020

I was had planned to do a long post on self-driving cars a quite long time. I was planning to do one this spring, but I might not do that, because it seems that predictions that self-driving cars would be here in 2020 were far too rosy. Five years ago, several companies including Nissan and Toyota promised self-driving cars in 2020. So it may be wise to take any new forecasts with a grain of salt. Hare is a worth to check out article of the current status of self-driving cars:

Surprise! 2020 Is Not the Year for Self-Driving Cars
https://spectrum.ieee.org/transportation/self-driving/surprise-2020-is-not-the-year-for-selfdriving-cars

In March, because of the coronavirus, self-driving car companies, including Argo, Aurora, Cruise, Pony, and Waymo, suspended vehicle testing and operations that involved a human driver. Around the same time, Waymo and Ford released open data sets of information collected during autonomous-vehicle tests and challenged developers to use them to come up with faster and smarter self-driving algorithms.

It seems that the self-driving car industry still hopes to make meaningful progress on autonomous vehicles (AVs) this year, but the industry is slowed by the pandemic and facing a set of very hard problems that have gotten no easier to solve over the years.

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1,638 Comments

  1. Tomi Engdahl says:

    What Is Tesla’s Mystery Magnet? The automaker is swearing off rare-earth elements—but experts are doubtful
    https://spectrum.ieee.org/permanent-magnet-tesla

    Reply
  2. Tomi Engdahl says:

    Continental and Infineon Join Forces on e-Mobility, ADAS, AI Apps
    March 28, 2023
    Continental has developed a modular platform for automotive architecture using Infineon’s AURIX TC4x MCU, which targets e-mobility, ADAS, electrical/electronic architectures, and artificial intelligence.
    https://www.electronicdesign.com/markets/automotive/article/21262861/electronic-design-continental-and-infineon-join-forces-on-emobility-adas-ai-apps?utm_source=EG+ED+Analog+%26+Power+Source&utm_medium=email&utm_campaign=CPS230323065&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    All major tech players, companies from other industries, and startups whose names we’re just learning are working on some or all of the new major building blocks of the automotive future. Oftentimes, together with partners.

    For example, Continental has developed a modular platform for automotive architecture using Infineon’s AURIX TC4x microcontroller. The AURIX TC4x family of 28-nm MCUs targets e-mobility, automotive driver-assistance systems (ADAS), electrical/electronics (E/E) architectures, and artificial-intelligence (AI) applications.

    The MCU features the 32-bit TriCore 1.8, along with scalable performance enhancements from the AURIX accelerator suite. The new scalable family provides an upward migration path from Infineon’s AURIXTC3x MCU family.

    This next-generation AURIX increases computing capabilities with a SIMD vector DSP called a parallel processing unit (PPU). The PPU has advantages over traditional CPUs in relation to matrix operation acceleration, data processing, neural-network-based algorithms, and high-speed control implementations. The scalable family concept allows for a common software architecture said to enable significant platform software savings.

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  3. Tomi Engdahl says:

    ELON MUSK APPARENTLY MADE A STUPID ENGINEERING DECISION THAT’S KNEECAPPED TESLA’S SELF-DRIVING PROMISES
    https://futurism.com/the-byte/elon-musk-tesla-sensors

    Reply
  4. Tomi Engdahl says:

    Exploiting SiC MOSFETs to Power EV Innovation
    March 23, 2023
    SiC MOSFETs help EV inverters deliver higher performance and efficiency, as well as smaller form factors, but they also bring design challenges to the table. This overview will introduce you to several of the hottest issues in this rapidly evolving field.
    https://www.electronicdesign.com/markets/automotive/article/21262547/electronic-design-exploiting-sic-mosfets-to-power-ev-innovation?utm_source=EG+ED+Auto+Electronics&utm_medium=email&utm_campaign=CPS230330044&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    What you’ll learn:

    Advances in EV technology to make them more practical.
    How SiC MOSFETs will help meet the current challenges in the EV arena.
    The all-important high switching speeds of SiC MOSFETs.

    Silicon-carbide (SiC) power FETs are finding increased application in the bridge inverters of modern electric vehicles (EVs) as automakers struggle to satisfy the growing demand for products that offer range, performance, and a sticker price equivalent to their fossil-fueled counterparts (Fig. 1). But, along with their high efficiency and excellent performance, SiC FETs bring new requirements and design challenges.

    Reply
  5. Tomi Engdahl says:

    One-Chip Radar Ready for Traffic Monitoring, Mining, and Logistics
    March 21, 2023
    The sensor provides the full capability of NXP’s third-generation 28-nm RFCMOS, long-range detection—2 to 300 meters worth of detection range—plus elevation sensing.
    https://www.electronicdesign.com/technologies/analog/video/21262017/electronic-design-onechip-radar-ready-for-traffic-monitoring-mining-and-logistics?utm_source=EG+ED+Connected+Solutions&utm_medium=email&utm_campaign=CPS230330048&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    Advanced driving-assistance systems (ADAS) often employ radar. On that front, NXP’s SAF85xx RFCMOS automotive, solid-state radar family supports these types of applications, including those for self-driving cars (see figure). The system-on-chip (SoC), which utilizes frequency-modulated continuous-wave (FMCW) technology, can handle 76- to 81-GHz frequencies for automotive radar.

    Reply
  6. Tomi Engdahl says:

    ELON MUSK APPARENTLY MADE A STUPID ENGINEERING DECISION THAT’S KNEECAPPED TESLA’S SELF-DRIVING PROMISES
    https://futurism.com/the-byte/elon-musk-tesla-sensors

    Elon Musk has been promising that Tesla’s Full Self-Driving would be coming “next year” for the better part of the past decade — but as it turns out, he may be the reason it hasn’t come to fruition.

    As the Washington Post reports, Musk apparently decided a few years back to do away with in-car radar sensors in an effort to make his electric vehicles cheaper, and did so against the warnings and wishes of Tesla’s engineers, who were reportedly shocked at the suggestion, per former employees who spoke on condition of anonymity.

    Reply
  7. Tomi Engdahl says:

    EB zoneo Tackles Software-Defined Vehicle Architecture
    March 22, 2023
    Elektrobit’s modular architecture makes creation of automotive network solutions fast, flexible, and secure.
    https://www.electronicdesign.com/technologies/embedded/software/video/21262130/electronic-design-eb-zoneo-tackles-softwaredefined-vehicle-architecture?utm_source=EG+ED+Auto+Electronics&utm_medium=email&utm_campaign=CPS230330045&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    Reply
  8. Tomi Engdahl says:

    BMW Starts Production of Hydrogen-Powered Pilot Fleet
    March 22, 2023
    The BMW Group unveiled the first vehicles in a hydrogen pilot fleet that will go into service this year after four years of development work. Two tanks hold almost six kilograms of hydrogen pressurized to 10,150 psi.
    https://www.electronicdesign.com/markets/automotive/article/21262497/electronic-design-bmw-starts-production-of-hydrogenpowered-pilot-fleet?utm_source=EG+ED+Auto+Electronics&utm_medium=email&utm_campaign=CPS230330045&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    What you’ll learn:

    What’s going into the new hydrogen-powered vehicles.
    Creation and manufacturing of the fuel-cell stack.
    Details about BMW’s new manufacturing facility.

    Ground zero in the war to win the hearts and minds of car buyers is finding a viable alternative to fossil-fuel-powered vehicles. Hydrogen offers potential as a future energy source and can become a long-term technology option for emission-free mobility, alongside battery-electric power.

    To that end, and in a peacock-like spreading of its hydrogen feathers, the BMW Group has unveiled the first vehicles in a hydrogen pilot fleet that will go into service this year after four years of development work.

    The fleet of under 100 vehicles will be employed internationally for demonstration and trial purposes for various regulatory bodies and marketing endeavors. In particular, BMW needs to convince lawmakers that hydrogen is a viable alternative to electric technology.

    This active driving experience will be the first chance for people not involved in the development process to gain a direct impression of what the BMW iX5 Hydrogen has to offer. Only a small handful will come to the United States, in part because unlike Europe and parts of Asia, hydrogen infrastructure can’t be found outside of California.

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  9. Tomi Engdahl says:

    In BMW’s view, by 2027 or 2028, there will be a scarcity of raw materials needed to build EVs if the industry continues to ramp up production. That’s where hydrogen comes in.

    Reply
  10. Tomi Engdahl says:

    Thieves Use CAN Injection Hack to Steal Cars
    https://www.securityweek.com/thieves-use-can-injection-hack-to-steal-cars/

    An innocent-looking portable speaker can hide a hacking device that launches CAN injection attacks, which have been used to steal cars.

    Reply
  11. Tomi Engdahl says:

    The Future of Automotive Connectivity
    Feb. 14, 2023
    Today’s cars are bursting with wireless connectivity solutions, but they’re distributed throughout the vehicle, creating implementation challenges and cybersecurity nightmares. Connectivity domain controllers may provide an answer.
    https://www.mwrf.com/markets/automotive/article/21260042/nxp-semiconductors-the-future-of-automotive-connectivity?utm_source=RF+MWRF+Wireless+for+Consumers&utm_medium=email&utm_campaign=CPS230331055&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

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  12. Tomi Engdahl says:

    Uusi anodi pidentää sähköauton kantaman 10-kertaiseksi
    https://etn.fi/index.php?option=com_content&view=article&id=14834&via=n&datum=2023-04-12_15:30:17&mottagare=31202

    Korealaistutkijat ovat onnistuneet kehittämään sähköautojen akuston anodimateriaalin, jonka avulla auton ajomatka kasvaa 10-kertaiseksi. Asialla ovat Sogangin yliopiston POSTECH-tutkimuskeskukset tutkijat.

    Tutkijat kehittivät polymeeristä sideainetta anodiin suuren kapasiteetin saavuttamiseksi. Tuloksena oli anodimateriaali, joka on sekä vakaa että luotettava ja jonka kapasiteetti on 10 kertaa tai jopa vielä suurempi kuin perinteisillä grafiittianodeilla.

    Reply
  13. Tomi Engdahl says:

    BMS and Traction-Inverter Innovations Propel Vehicle Electrification
    April 15, 2023
    Sponsored by Texas Instruments: High-precision battery monitors improve driving-range estimation for multiple battery chemistries while real-time MCUs and advanced gate drivers power traction-inverter upgrades and facilitate powertrain integration.
    https://www.electronicdesign.com/tools/learning-resources/whitepaper/21262975/texas-instruments-bms-and-tractioninverter-innovations-propel-vehicle-electrification?pk=DesEssen-04192023&utm_source=EG+ED++Sponsor+Paid+Promos&utm_medium=email&utm_campaign=CPS230417028&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    Electric vehicles (EVs) are rolling toward the future, but the path isn’t without obstacles. Range anxiety persists—no driver wants to experience an unexpected dead battery when miles from the nearest charging station. And initial EV costs remain high in contrast to conventional internal-combustion-engine (ICE) vehicles. Fortunately, advanced semiconductors are arriving on the scene to help overcome these obstacles.

    EVs are Here to Stay

    Mark Ng, who leads Texas Instruments’ hybrid-EV (HEV) and EV powertrain business, sees EVs not as cars with batteries and electric motors, but rather as big electronic devices climbing the same innovation curve that has transformed communications, computing, and personal-electronics markets. Ng cites several specific innovations:

    Advanced battery-management systems (BMSs) help drivers overcome concerns about range, safety, and reliability.
    Onboard chargers deliver optimal voltages and currents to each battery cell while avoiding the overcharging or undercharging that can limit battery life.
    Gate drivers with adjustable gate-drive strength enable traction inverters to optimize energy usage based on road conditions and driving style.
    Power-management technologies provide high levels of functional safety, while sensors and microcontrollers help drivers cope with sudden hazards.

    Ng adds that new technologies make EVs more affordable as manufacturers move toward zone-control architectures, integrated powertrains, wireless BMSs, and intelligent battery junction boxes.

    Reply
  14. Tomi Engdahl says:

    Sähköautolla 1 500 km kertalatauksella? – Maailman suurin akkuvalmistaja sanoo tehneensä akun, jolla se onnistuu: 500 Wh/kg nostaa jopa matkustajalentokoneet ilmaan
    https://www.tekniikkatalous.fi/uutiset/sahkoautolla-1500-km-kertalatauksella-maailman-suurin-akkuvalmistaja-sanoo-tehneensa-akun-jolla-se-onnistuu-500-wh-kg-nostaa-jopa-matkustajalentokoneet-ilmaan/c90388ee-714c-4e3b-9494-b5ce41ca5481

    Tietoa uuden akkutyypin tekniikasta ja kemiasta on paljastettu vain vähän.

    Kiinalainen akkuvalmistaja Catl sanoo saaneensa valmiiksi akun, jonka energiatiheys on 500 Wh/kg kennotasolla mitattuna. Luku on lähes kaksinkertainen verrattuna nykyisille litiumioniakuille tyypilliseen hieman alle 300 wattituntiin per kilogramma.

    Reply
  15. Tomi Engdahl says:

    Simuloi jo nyt tulevia 800 voltin sähköautoakustoja
    https://etn.fi/index.php/13-news/14875-simuloi-jo-nyt-tulevia-800-voltin-saehkoeautoakustoja

    Sähköautojen arkkitehtuureissa on käynnistymässä siirtyminen 400 voltin järjestelmistä 800-volttiisiin. Englantilainen Pickering Interfaces on esitellyt PXI-pohjaisen simulaattorijärjestelmän, jolla näitä akustoja ja niiden voidaan emuloida.

    Pickering päivitti 41/43-752A-akkusimulaattorivalikoimansa viime viikolla. Uudet moduulit ovat ihanteellisia sähköajoneuvojen akuston emulointiin BMS-testisovelluksissa. Jännite-eristys on nostettu 1000 volttiin, jotta voidaan emuloida 800 voltin akustoja.

    Pickeringin simulaatiotuotepäällikkö Paul Bovingdonin mukaan suurimman osan sähköautoteollisuudesta odotetaan siirtyvän 400 V:sta 800 V:n arkkitehtuureihin vuoteen 2025 mennessä. Tämä tarkoittaa huomattavasti nopeampia latauksia.

    https://www.pickeringtest.com/en-fi/product/41-752A-101-pxi-battery-simulator-module-6channel-1kv

    Reply
  16. Tomi Engdahl says:

    Reuters:
    A California judge tentatively rules Elon Musk must testify about his Autopilot statements, after Musk’s lawyers argued he is a subject of many deepfake videos

    Elon, or deepfake? Musk must face questions on Autopilot statements
    https://www.reuters.com/legal/elon-or-deepfake-musk-must-face-questions-autopilot-statements-2023-04-26/

    April 26 (Reuters) – A California judge on Wednesday ordered Tesla CEO Elon Musk to be interviewed under oath about whether he made certain statements regarding the safety and capabilities of the carmaker’s Autopilot features.

    The ruling, first reported by Reuters, came in a lawsuit filed by the family of Walter Huang against Tesla in Santa Clara Superior Court, over a car crash which killed the Apple engineer in 2018. Tesla’s lawyers has said Musk cannot recall the details of his statements that the plaintiffs want to ask him about, and that the billionaire celebrity CEO is often the subject of convincing “deepfake” videos.

    Huang’s family argues Tesla’s partially automated driving software failed. The carmaker contends Huang was playing a videogame on his phone before the crash and disregarded vehicle warnings.

    Reply
  17. Tomi Engdahl says:

    Wireless Battery Management: A Pivotal Ingredient in Tomorrow’s EVs
    April 26, 2023
    The next generation of EVs will require battery packs that are safer, more compact, cost-effective, and easier to service. Wireless battery-management technology has the potential to help them meet all of these goals.
    https://www.electronicdesign.com/technologies/power/article/21264726/electronic-design-wireless-battery-management-a-pivotal-ingredient-in-tomorrows-evs?utm_source=EG+ED+Analog+%26+Power+Source&utm_medium=email&utm_campaign=CPS230419120&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    As EV batteries continue to evolve, so do their battery-management systems (BMS), which optimize their performance and longevity as well as protect them against catastrophic failure (Fig. 1). One of the latest developments in BMS design is the option to monitor and manage them via a wireless link.

    Reply
  18. Tomi Engdahl says:

    The Journey to Software-Defined Vehicles
    April 12, 2023
    For electric and autonomous vehicles today, the transition from hardware- to software-centric development—called the software-defined vehicle—starts now. What are the implications of such radical transformation?
    https://www.electronicdesign.com/markets/automotive/article/21263763/realtime-innovations-rti-the-journey-to-softwaredefined-vehicles?utm_source=EG+ED+Auto+Electronics&utm_medium=email&utm_campaign=CPS230419132&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

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  19. Tomi Engdahl says:

    Indirect ToF Sensor Demo Creates Depth Maps Up to Six Meters
    April 11, 2023
    onsemi’s indirect time-of-flight (iToF) demo at embedded world showed how image sensors can be used to create valuable depth maps extending to six meters.
    https://www.electronicdesign.com/technologies/test-measurement/video/21263549/indirect-timeofflight-sensor-demo-can-create-depth-maps-up-to-six-meters?utm_source=EG+ED+Auto+Electronics&utm_medium=email&utm_campaign=CPS230419132&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    Reply
  20. Tomi Engdahl says:

    SELF-DRIVING BUS REQUIRES TWO FULL-TIME EMPLOYEES TO OPERATE
    https://futurism.com/the-byte/self-driving-bus-human-operators

    HOW IRONIC.

    The concept of “autonomous” vehicles generally conjures up images of futuristic, driverless living rooms on wheels that lack a driver’s seat or even a steering wheel.

    But, as a new “autonomous” bus pilot program in Scotland goes to show, we’re really not quite there yet.

    That’s because the program requires not one but two humans to operate the buses full-time.

    While UK outlets like the BBC, The Guardian, and Sky News breathlessly lead their stories on the Scottish bus line with the moniker “self-driving,” Jalopnik was the one to point out the curious caveat in its headline.

    As that outlet notes, the quote-unquote autonomous bus line will feature five double-decker vehicles, operated in part by a safety driver and a bus captain who will help passengers board the bus.

    In other words, “self-driving” feels like a bit of a misnomer.

    Reply
  21. Tomi Engdahl says:

    “A Model S and Model X, at this point, can drive autonomously with greater safety than a person right now,” Musk appeared to say in 2016.

    Elon Musk’s past statements about self-driving safety could feasibly be deepfakes, Tesla lawyers told court
    https://www.businessinsider.com/tesla-lawyers-elon-musk-autopilot-safety-statements-could-be-deepfakes-2023-4?utm_campaign=insider-sf&utm_medium=social&utm_source=facebook&r=US&IR=T

    Tesla is being sued by the widow of an Apple engineer who died in a 2018 car crash.
    The lawsuit cites statements from Elon Musk promoting the safety of Tesla’s self-driving software.
    But Tesla’s lawyers say they can’t confirm if he ever said that, because they could be deepfakes.

    Tesla’s lawyers say that Elon Musk’s past statements about the safety of its self-driving feature can’t be trusted because they could be deepfakes, per court filings seen by Insider.

    The electric car company is being sued by Sz Hua Huang, whose husband Walter Huang died in a car crash in 2018.

    The lawsuit – which was first submitted to the Santa Clara County Superior Court in 2019 – alleges that Tesla’s autopilot feature was defective, and accelerated Huang’s car into a concrete barrier after misreading highway lane lines.

    Per Reuters, that includes a speech from a 2016 conference, when he said: “A Model S and Model X, at this point, can drive autonomously with greater safety than a person right now.”

    But Tesla’s lawyers say they don’t know whether or not Musk actually said any of those things.

    “At first glance it might seem unusual that Tesla could not admit or deny the authenticity of video and audio recordings purportedly contain statements by Mr. Musk,” they wrote in an April 20 court filing seen by Insider.

    “The reality is he, like many public figures, is the subject of many ‘deepfake’ videos and audio recordings that purport to show him saying and doing things he never actually said or did.”

    On Wednesday, Judge Evette Pennypacker said these arguments were “deeply troubling” and tentatively ordered Musk to be interviewed under oath for three hours about whether he made the statements, Reuters reported.

    Reply
  22. Tomi Engdahl says:

    Ratkesiko sähköautojen akkujen ehkä suurin ongelma nyt? Kiinalaisvalmistaja laittoi suola-akun sähköautoon
    Kiinalaiset ovat halpojen akkumateriaalien kehittelyssä pitkällä, arvioivat suomalaisasiantuntijat. Autovalmistajat yrittävät päästä eroon harvinaisista maametalleista, ja siinä on osin jo onnistuttu.
    https://yle.fi/a/74-20027889

    Reply
  23. Tomi Engdahl says:

    Integrated Autonomous Driving Solution Addresses Advanced Functionality
    April 7, 2023
    ADLINK is helping customers build autonomous driving solutions, including autonomous mobile robots, robo-taxis, and autonomous trucks and mining vehicles, based on Intel Sapphire Rapids, Ampere Altra, and NVIDIA Jetson Orin.
    https://www.electronicdesign.com/technologies/embedded/video/21263098/electronic-design-integrated-autonomous-driving-solution-address-advanced-functionality?utm_source=EG+ED+Auto+Electronics&utm_medium=email&utm_campaign=CPS230419133&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    Reply
  24. Tomi Engdahl says:

    The Anatomy of EV Traction Inverters
    April 20, 2023
    The traction inverter, a critical component at the heart of the EV powertrain, is responsible for controlling an e-motor, improving driving range, responsiveness, smoothness, traction, and handling.
    https://www.electronicdesign.com/markets/automotive/article/21264341/nxp-semiconductors-the-anatomy-of-ev-traction-inverters?utm_source=EG+ED+Auto+Electronics&utm_medium=email&utm_campaign=CPS230419133&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    Real-Time MCUs Power Industrial Motor-Drive Apps
    April 24, 2023
    Sponsored by Texas Instruments: Commercial off-the-shelf MCUs are incorporating control-law accelerators, trigonometric math units, and other features that let them excel at speed, position, and torque control.
    https://www.electronicdesign.com/tools/learning-resources/whitepaper/21263607/texas-instruments-realtime-mcus-power-industrial-motordrive-apps?pk=DesEssen-04272023&utm_source=EG+ED++Sponsor+Paid+Promos&utm_medium=email&utm_campaign=CPS230425038&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    Reply
  25. Tomi Engdahl says:

    Auton OBD-vianlukuun tulee yksi standardi lisää
    https://etn.fi/index.php/13-news/14924-auton-obd-vianlukuun-tulee-yksi-standardi-lisaeae

    Nykyautoissa vika ilmenee usein vain valon syttymisenä kojelaudassa. Vian paikantaminen edellyttää yleensä huoltoon viemistä ja vikakoodien lukua. Nyt tähän OBD-vikadiagnostiikkaan on tulossa uusi standardi.

    OBD (eli On-board diagnostics) on monen mielessä synonyymi ajoneuvojen vikakoodien luvulle, mutta tässä on ollut käytössä neljä eri standardia. SAE:llä on kaksi eri OBD-standardia ja ISO on määritellyt eurooppalaiseen käyttöön kaksi standardia. Onneksi standardit ovat hyvin lähellä toisiaan.

    SAE:n uusin standardi on nimeltään J1979-2 (OBD on UDS), joka julkistettiin huhtikuussa 2021. Nyt valmistumassa on SAE J1979-3 eli ZEV on UDS). Se määrittelee speksit vähäpäästöisten (Zero Emission Vehicles) ajoneuvojen diagnostiikkamittaukselle ja laitteille.

    Käytännössä uusi standardi tuo huollon tai katsastuksen käyttöön sähköautoille ja pistokehybridiautoille räätälöidyn OBD-diagnostiikan. Käyttöön se on tulossa jo tänä vuonna ja Yhdysvalloissa kaikkien vähäpäästöisten autojen on tuettava uutta standardia vuodesta 2028 alkaen.

    Reply
  26. Tomi Engdahl says:

    More miles, fewer wires in future electric vehicles
    https://news.ti.com/blog/2021/01/06/more-miles-fewer-wires-in-future-electric-vehicles?HQS=null-null-ve-autobrand_ve22_fewer_wires-asset-blog-ElectronicDesign_psfi_bms_l1-wwe_int&DCM=yes&dclid=CNqI1bKU2_4CFWrNOwIdJB0Ozg

    Going wireless with the next generation of battery management systems (BMS) removes heavy communications cabling from inside EVs to help improve driving range and reliabilit

    Reply
  27. Tomi Engdahl says:

    Implementing Better Busbar Construction for Next-Gen Vehicles
    May 3, 2023
    To achieve longer range and shorter recharging times, EV manufacturers are transitioning to better constructed interconnect components. Engineers need to be aware of various considerations in relation to powertrain improvements.
    https://www.electronicdesign.com/technologies/power/article/21265243/interplex-implementing-better-busbar-construction-for-nextgen-vehicles?utm_source=EG+ED+Analog+%26+Power+Source&utm_medium=email&utm_campaign=CPS230427058&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    Reply
  28. Tomi Engdahl says:

    Ask Hackaday: Why Do Self Driving Cars Keep Causing Traffic Jams?
    https://hackaday.com/2023/05/08/ask-hackaday-why-do-self-driving-cars-keep-causing-traffic-jams/

    Despite what some people might tell you, self-driving cars aren’t really on the market yet. Instead, there’s a small handful of startups and big tech companies that are rapidly developing prototypes of this technology. These vehicles are furiously testing in various cities around the world.

    In fact, depending on where you live, you might have noticed them out and about. Not least because many of them keep causing traffic jams, much to the frustration of their fellow road users. Let’s dive in and look at what’s going wrong.

    In the event that the world is too complex to understand, or a sensor fails, or something bad happens, driverless cars typically decide to just stop. While this behavior minimises the risk of a dangerous collision or incident, it nonetheless completely frustrates every other user of the road network. In some cases, the cars have been able to get going again after some period of time. In others, teams of support staff have had to deploy to the area to recover the vehicles. In the latter case, it’s perhaps useful that many of the prototype driverless cars retain regular steering wheels and pedals, allowing humans to drive them away if all else fails.

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  29. Tomi Engdahl says:

    Smart BMS Features Integrated MCU and Cell Balancing
    May 8, 2023
    This battery-management system developed by Qorvo includes cell balancing, current and cell voltage sensing, and a controller.
    https://www.electronicdesign.com/technologies/power/power-supply/batteries/video/21265190/electronic-design-smart-bms-has-integrated-mcu-and-cell-balancing?utm_source=EG+ED+Analog+%26+Power+Source&utm_medium=email&utm_campaign=CPS230504032&o_eid=7211D2691390C9R&rdx.identpull=omeda|7211D2691390C9R&oly_enc_id=7211D2691390C9R

    The Qorvo PAC22140 Smart Battery Monitoring System (BMS) can monitor 10- to 20-series Li-ion, Li-polymer, and LiFePO4 battery packs. Integrating a flash-programmable MCU as well as power management, and current, voltage, and temperature sensing, plus drivers for the charge/discharge FETs, the device can communicate using UART/SPI or I2C/SMBus interfaces. The PAC22140 has an Arm Cortex-M0 with 32 kB of flash and 8 kB of SRAM with different analog and digital peripherals for the fuel-gauging algorithm and system telemetry.

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