Today's Tech News: Notable or Not?

https://interestingengineering.com/innovation/ev-motor-packs-1000-hp-per-wheel "28-pounds, 59 kW/ kg power density, paired with highly efficient 33-pound dual inverter, EV conversions still save about 441 pounds... advanced regenerative braking captures/ reuses energy, potentially eliminating the need for rear disc brakes and driveshafts... light enough to be fitted inside the wheel while remaining mass-neutral, meaning it does not add net weight to the vehicle... performance, efficiency, weight reduction, scalable for various high-performance EVs" Related: Stainless steel brake disks significantly reduce fine particulate emissions; exceptional durability https://techxplore.com/news/2026-04-stainless-steel-disks-significantly-fine.html

https://www.eurekalert.org/news-releases/1108300 "energy-efficient: achieves >50% reduction in core loss compared to initial amorphous material... particularly high performance in high-frequency range (up to several tens of kHz) where materials usually suffer from increased energy loss... efficiency of soft magnetic materials in high-frequency transformers/ inductors in: EV drive power supply circuits, AI-focused data centers... future: prototype transformers: test material's integration into actual power conversion circuits"

https://www.eurekalert.org/news-releases/1102574 "4-level modulation strategy for dual 3-phase open-winding permanent magnet synchronous motor drive, using 2:1:1 DC-link voltage ratio across 3 DC sources to achieve 4-level effect... average current Total Harmonic Distortion reduced >29%, use of Unified Duty Ratio Compensation enabled 50% further reduction during voltage deviations... switching frequencies significantly reduced... EV propulsion, aerospace actuators, industrial automation" Related: Energy-efficient predictive control strategy boosts performance of electric vehicle drives https://www.eurekalert.org/news-releases/1102558

https://www.eurekalert.org/news-releases/1096067 "overcomes trade-off between driving efficiency (more miles per charge) and reducing torque ripple (minimizing vibrations that are uncomfortable/ reduce vehicle's lifespan)... Teamwork Optimization Algorithm adjusts at millisecond speed with minimal computational overhead motor's magnetic flux for optimal performance under any driving conditions... energy consumption reduced up to 15%, torque ripple decreased 40%, total harmonic distortion decreased 35%"

https://www.eurekalert.org/news-releases/1086209 "no: costly, unwieldy, slower coating under vacuum... liquid-based chemical conversion coating with cavitation bubbles... corrosion resistance to chlorides (salt)/ undesirable mechanical properties...  jets of bubbles fired at surfaces/ same jets exposed to ultrasound waves... subsequent cavitation collapse forms thick, even magnesium phosphate films... reinforcing lightweight materials in EVs" Related: Eco-friendly solution to marine fouling uses electrochemically-active coating https://phys.org/news/2025-12-eco-friendly-solution-marine-fouling.html Overcoming tribocorrosion in marine metals https://www.eurekalert.org/news-releases/1118073

https://phys.org/news/2025-01-traffic-reveals-ants-secrets-smooth.html "bidirectional traffic flows in orderly manner without stop-and-go, even in great numbers... trajectories of ants reconstructed by deep learning algorithms, tracking individual ants' movements, mapping speeds, flows densities... ants follow pheromone trails marked by leader, move in platoons with small gaps and no overtaking... smart roads using advanced communication technologies to communicate with each other and road infrastructure management... enables high speeds with close spacing across parallel lanes" Related: Computing using real life traffic, novel approach to AI cuts its energy usage https://www.eurekalert.org/news-releases/1113616

https://phys.org/news/2024-06-explores-high-coppergraphene-composite-conductor.html "scalable copper/graphene/plastic... high strength, electrical conductivity at room and elevated (>100°C) temperature... improved interfaces prepared by vacuum hot press sintering, cold-drawing, heat-treatment... wires' temperature resistance coefficient drastically reduced to 0.0035/°C, enabling low resistivity at higher temperatures... in-situ growth avoids carbon nanomaterial agglomeration, rare-earth oxide or carbide formation at interface, improving interfacial bonding... high power density EV motor winding wires" Related: Magnet-free electric motor for more sustainable, affordable, and environmentally friendly EVs https://www.facebook.com/EngineeringAndScienceByGenmice/posts/at-just-17-years-old-robert-sansone-a-high-school-student-from-florida-invented-/956473616697199/ Innovative aluminium-calcium composite promises breakthrough in power transmission https://www.alcircle.com/new...

https://techxplore.com/news/2024-03-supercomputer-wheels.html "Ethernet controlling all electronic components from 1 computer platform... highly automated, connected vehicles enables easier Wi-Fi updating... Time-Sensitive Networking utilizing functional semiconductor blocks (IP cores)... smart system managing consistent system time, queues, prioritizing tasks... flexible, scalable... fewer cables in narrower harness: less materials and costs, significantly lighter car... zone-based management: few high-performance computing platforms control many modules simultaneously"

https://newatlas.com/automotive/up-super-board-skateboard-chassis/ "ready-to-roll platform upon which different 3rd-party vehicle bodies can be mounted without without having to design or build chassis and drivetrain... incorporates batteries under floor, front and rear motors, suspension, thermal management system, drive-by-wire steering hardware, Level 2+ automated steering, braking and accelerating, but still need driver... reduce costs, reduce development time 6 months... end of 2024"

https://www.youtube.com/watch?v=Nd6C0y8xc20 "allows each driveshaft to bend while allowing a smooth flow of power to the wheels... combined with electronic air suspension enables almost no change to efficiency regardless of wheel movement, ensuring high durability and ride comfort... reduction gear in wheel hub gives high reduction ratio delivering significant torque output and allows for more compact electric motor... torque vectoring boosts dynamic ability and delivers improved steering, power and stability even at high speeds" See also:   https://cleantechnica.com/2023/11/30/behold-the-hyundai-uni-wheel-transportation-may-never-be-the-same/

https://techxplore.com/news/2023-10-technology-evs-chip-noise.html "reduced interference with navigation and collision-avoidance systems... intelligent sensor detects precursors to EMI in certain signature parameters, and predicts and reduces  EMI... sensing conditions such as input voltage and load current that can indicate increased EMI in power circuits. In response, the technology applies on-chip countermeasures to bring EMI back under control... also for cellphones, laptops and other electronics"

https://techxplore.com/news/2023-03-device-friction-ev-fluids.html " electric potential across fluid, whether AC or DC, can affect wear and bearings friction by as much as 20%... lubricant breakdown is shown to be fluid-dependent, formulators can optimize their lubricants for specific EV drivetrains. SwRI's bench-scale testing capabilities will accelerate lubricant optimization, improving durability and increasing vehicle range through reduced friction" Related: Superlattice films developed to achieve macroscale superlubricity https://phys.org/news/2023-04-superlattice-macroscale-superlubricity.html Stellantis unveils groundbreaking inverterless electric power train for EVs https://innovationorigins.com/en/stellantis-unveils-groundbreaking-inverterless-electric-power-train-for-evs/

https://103degrees.com/this-teenager-designed-motor-has-the-potential-to-revolutionize-the-electric-vehicle-industry/ "synchronous reluctance motor better torque and efficiency... 3-D printed plastic, copper wiring, steel rotor ... eliminate air gaps by adding another magnetic field... improve saliency ratio... at 300 rpm 39% more torque and 31% more efficiency... 37% improvement efficiency achieved increasing speed to 750 RPM... couldn’t test at higher revolutions per minute because the plastic pieces would overheat"

https://techxplore.com/news/2022-10-range-battery-electric-vehicles-cell.html "increasing accuracy prediction models, predictions apply for longer periods time... reduction complex computations... active balancing... mitigate negative influence weak cells... supporting with energy from stronger cells... larger range... extend effective lifespan battery 10%... more efficient modeling, facilitates accurate and efficient state estimation, more effective use available energy battery pack through active cell balancing... lowers initial cost, and extends effective lifespan"

  https://techxplore.com/news/2022-09-high-speed-motor-power-density-electric.html "over 100,000 revolutions per minute... peak power density 7kW per kilogram... scale and optimize to provide power and speed in a given range—for example, a 200kW motor with a maximum speed of around 18,000 rpm that perfectly suits EV applications. If an electric vehicle manufacturer, like Tesla, wanted to use this motor then I believe it would only take around six to 12 months to modify it based on their specifications"

https://techxplore.com/news/2022-08-electrocution-electric-cars-technology "circuity damage, would consume any remaining voltage so that energy does not build up, increasing the risk of electrocution... ensure the protection of the entire electrical system of the car from circuit failure in the event of a crash. The researchers devised an energy discharge algorithm that would mean that even in the event of an electrical failure the DC bus would still be able to reduce the voltage output and protect other circuitry in the vehicle"

https://www.smithsonianmag.com/innovation/this-17-year-old-designed-a-motor-that-could-potentially-transform-the-electric-car-industry-180980550/ "synchronous reluctance motor that had greater rotational force—or torque—and efficiency than existing ones. The prototype was made from 3-D printed plastic, copper wires and a steel rotor and tested using a variety of meters to measure power and a laser tachometer to determine the motor’s rotational speed. His work earned him first prize, and $75,000 in winnings, at this year’s Regeneron International Science and Engineering Fair (ISEF), the largest international high school STEM competition"

https://techxplore.com/news/2022-06-range-solar-panels-juice-evs.html "Thanks to the drop in the price of solar panels, Lightyear is trying to incorporate them into road cars. With its sleek, aerodynamic line and motors integrated into the wheels, the Lightyear 0 consumes less energy than electric SUVs. Coupled with a battery that offers 625 kilometers per charge, the company says some customers who drive only short distances each day may only need to charge during the winter" Related: Lightyear 2 Solar EV Waitlist Now Open, Starting at Under $40K https://evmagz.com/lightyear-2-solar-ev-waitlist-now-open-starting-at-under-40k/ The Aptera solarized vehicle gives us a glimpse to what is now possible https://www.dailykos.com/stories/2023/8/4/2185067/-New-Energy-Paradigm-Thinking Chargeless EV balances on-vehicle solar panels and battery using AI https://www.thecooldown.com/green-tech/odisha-solar-ev-charging-india/ Integrated photovoltaics in vehicles, up to 4,500 km a year powe...

https://news.cision.com/koenigsegg/r/quark-and-terrier--koenigsegg-s-first-in-house-e-motor-and-ev-drive-unit-with-pioneering--raxial-flu,c3495628 “The Quark is unique in its high efficiency in combination with its class-leading torque-to-power-to-rpm-to-weight matrix. This means, when using the Quark in applications such as marine, aircraft or VTOL, there is no need for a step-down transmission, instead direct drive can be achieved, as the RPM of the motor is right from the get-go... In other cases, like the Terrier application, the transmissions can be reduced in size and complexity compared to higher-revving, less torque dense motors, which is also a big win"

https://www.digitaljournal.com/tech-science/dramatically-more-powerful-worlds-first-battery-electric-freight-train-unveiled/article A mining company ordered the 7 Mw model, a fully electric locomotive that will contribute 11% of the energy to a hybrid diesel-electric arrangement of rail cars. Specs: 18,000 lithium-ion cells, 2.4 Mw battery pack, 3200+ Kw engine, computer driven regenerative braking to optimize trip efficiency (perhaps the diesel locomotive car in the hybrid arrangement also has regenerative braking and contributes electricity to the electric locomotive car's battery).