)Clean Energy’s Zero Now program makes the cost of leasing or purchasing a new natural gas heavy-duty truck equal to the price or even lower than that of the same truck equipped with a diesel … Want To Be A Human Guinea Pig ? Epson sure isn’t the first player with high powered laser projectors. For one, the company has observed that the market for in-wheel motors has very diverse requirements, with many different vehicles and value propositions. Four Elaphe L1500 gearless electric motors were mounted on each wheel, giving this first-generation BMW X6 a completely different setup that allowed it to spin just like a tank would, by controlling the way each wheel moves, independently. Within 5 minutes the L1500 can be integrated into or removed from a car wheel for routine maintenance, such as brake inspections and replacements. Four Elaphe L1500 gearless electric motors were mounted on each wheel, giving this first-generation BMW X6 a completely different setup that allowed it to spin just like a tank would, by controlling the way each wheel moves, independently. In addition to being able to customise the in-wheel electric motor for carmakers’ preferred brake and bearing suppliers, the L1500’s performance and components can also be tailored to meet manufacturers’ application-specific requirements. “So, we must use 20" tires. Elaphe uses an SUV test vehicle to simulate severe braking and cornering scenarios, “At each stage of this approach, we have worked on the basis of analytical equations that have afforded us an insight into holistically optimising our motors’ designs and dimensions, to meet a broad envelope of performance and environmental requirements as well as other evaluation criteria.”. Other proprietary innovations have been developed to help balance the voltages between parallel branches in each phase, to accelerate automated production of large volumes of copper (while packing them more densely), and to make the winding more robust against high temperature gradients – not just extremes of temperature, but rapid changes in short periods of time. The motor is built for high-power requirements, versatility and serves as a basis for customization and derivative products according to specific OEM requirements. CAD approximations of the L1500’s components are subjected to load impacts and combinations to identify how the housings and mechanical interfaces can reduce structural stress. “The exact grade of neodymium in each L1500 depends on parameters related to cost optimisation and application-specific development, among others,” adds Gotovac. By running these load simulations in a generative design process (with a constant stiffness target and through a set of proprietary criteria functions), the numerical software can identify all the geometric qualities necessary for minimising structural stress across the metals of the stator and rotor (while also keeping it lightweight and taking manufacturing constraints into account where possible). While normal bearing deformations aren’t a major problem, excessive deformations in an in-wheel motor can cause defl ections between the rotor and stator. The designs yielded from topological optimisation are then run by an industrial designer, so that they can advise on precise guidelines and limitations regarding how the CAD drawings can be feasibly and accurately reproduced in the real world. Elaphe is investing heavily in R&D and scaling up production, and was recently awarded a grant of over 1 million EURO by the European Union to co-fund the industrialization and commercialization of the innovative Elaphe™ L1500 in-wheel motor, bringing it into mass production . Its poles use a patented winding method developed in-house, and it attaches directly to the vehicle knuckle. Elaphe's high torque motors are based on a new electromagnetic topology, which enables all of the desired properties of an in-wheel electric motor. Each L1500 features inputs for three highflex phase cables and two signal cables for connecting new inverters, as preferred switching technologies can often change or evolve. With over 700 Nm of peak torque, 75 kW of peak power and 50 kW of continuous power, this liquid-cooled motor is a perfect fit for a wide range of passenger car classes. “In parallel with the high-torque requirement, we’ve constructed them in a way that avoids resonant frequencies when testing motors at very high speeds. Some of those loads acting on the L1500 are internally generated. As packaging and cooling requirements change with different inverter technologies and topologies, having the inverter on the vehicle chassis means it can be swapped out relatively easily, compared with trying to force an entirely new inverter into the old one’s space. AISIN Group Launching a $50 Million Automotive Fund Focused on Silicon Valley Technology. As a result, the ‘active part’ of the motor – the electric machine with windings and magnets – takes up just 30% of the overall weight, giving it a torque density of 460 Nm/litre, compared with what the company cites as its nearest competitor at 390 Nm/ litre. Elaphe, headquartered in Europe, is a world leader in-wheel motor technology company and supplied the motors for the Nucleus. Elaphe has therefore developed a regime for validating the stiffness and durability of bearings before it will integrate them into the L1500 (or its other in-wheel motors). As a result, each customer’s motor can be customised to a degree to modify the rotor and stator interfaces to accommodate their preferences in peripheral components such as the brakes, bearings and other internal parts. Excess preloading from manufacturing, introduced mostly during machining and casting, can also cause residual internal stresses to build up in motor designs before they are tested. To accurately predict and assess the motor components’ structural integrity requirements in the face of especially harsh road-induced loads, Elaphe used an SUV to simulate severe braking and cornering scenarios. Established in 2006 by theoretical physicists Andrej Detela and Gorazd Lampic (now the CEO), its systems incorporate a host of patented and proprietary technologies across mechanics, electromagnetics and other disciplines. Native Resolution: WUXGA (1920 x 1200) w/ 4K Enhancement Technology; Color Brightness: 12,000 lumens; Ships with Middle#2 Lens - V12H004M0F; Pro L Series Brochure (PDF) Spec Sheet (PDF) CALL 1-888-775-0651 OR EMAIL (click this link) FOR LATEST CORP, EDU, GOV AND HOW PRICING Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale. As these overhangs lie outside the stator slots, they do not contribute to motor torque. This changes the shape of the air gap, which causes vibrations as well as loss of effi ciency owing to the increasing resistance to magnetic fl ux between windings and magnets where the gap widens, and decreasing fl ux resistance where it shrinks. The tests investigated CoG acceleration and the external lateral loads on all four wheels – with particularly severe cornering (more than 1.1 g of lateral acceleration) producing roughly 14,000 N of force on one of the car’s right-hand tyres. Lordstown Motors licensed the L1500 in-wheel hub motor from Slovenian tech company Elaphe Propulsion Technologies. The liquid-cooling circuit constitutes the active cooling of the L1500. That allows us to focus on our core competencies in stator and rotor design, and saves us quite a bit of overengineering.”. Before iterating the key aspects of a new L1500’s design through CAD simulations, Elaphe fi rst selects the key peripheral components (including the rim, brakes and bearings) in order to defi ne how much space is left for the stator and rotor. Rated speed: up to 1670 rpm with field weakening @370 VDC input voltage. The Elaphe L1500 in-wheel motor is currently the brand's highest-performance product, producing 1500 Nm peak torque which available to each wheel throughout the speed range, delivering 110kW of maximum power to each wheel. The L1500 has been designed to enable it to be used in a wide range of OEM EVs and HEVs. “With more experience and our model accuracies optimised, we replaced the N40UH with N40SH, the latter being in the 150 C temperature class.”. ELA150S4D-1Y. The electric vehicle revolution has grown out of conventional vehicle design. “The bearing is selected as a function of the wheel loads stemming from the vehicle’s weight, its CoG, wheelbase, track width and maximal lateral acceleration achieved during cornering. “In relative terms, far fewer wire connections need to be made, which improves consistency of quality, reliability and production costs. “Our insights and models for e-motor optimisation are part of our proprietary knowhow,” Lampic adds. 370 VDC nominal voltage. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates. Also, NVH (noise, vibration and harshness) simulations provide insight into a critical part of inertial load testing. Analysis based on the ISO 26262 standard has also been useful.”. The M700 was the first motor Elaphe fully validated according to existing automotive standards, and both motors have some architectural similarities. Techmalak - 197 Followers, 166 Following, 1333 pins | Modernize your man cave in style with vibrant high-res posters printed on metallic photo paper. Some testing is repeated for each new set of customer requirements to revalidate a customized version that meets the requested bearing, brake, vehicle and performance targets. The windings have been potted in Elaphe’s custom thermal transfer resins. Once all the design choices are affirmed via CAD and FEA analysis, a prototype of the motor variant can be built and subjected to a range of tests on the company’s test benches to validate the accuracy of the simulations. It also has a torque-to-weight ratio of 100 Nm/kg; its competitors go up to 65 Nm/kg, Elaphe says. “A key challenge with in-wheel motors is how to deal with temperature gradients,” Gotovac explains. The Pro L1500UH combines a laser light source, inorganic components and 3LCD technology for powerful, uncompromising images. Elaphe, a Tier One supplier to the auto industry, will begin production of its L1500 in-wheel electric motor with up to 1,500 Newton-meters of torque in the 4th quarter of 2019. “Most of the world’s high-power electric motors are high-speed and medium- or low-torque systems, so most measurement equipment worldwide is designed for those characteristics,” Gotovac notes. We have focuses on fuel cells, measuring equipment and ECUs. Elaprase Prices. Find out all of the information about the Elaphe Propulsion Technologies Ltd. product: direct-drive wheel hub motor L1500. The L1500 has 83 components, nearly 60% of which are standard supplier parts and the rest mostly casting or customised supplier solutions. That’s especially impressive considering how gas prices have remained low, and had even declined in recent months. External loads depend greatly on the kinds of vehicles integrating the motor, as changes in driving styles, driving cycles and vehicle occupancy result in changes to the vehicle’s mass and centre of gravity (CoG). These must instead be transmitted through the rim and bearing and into the knuckle (before continuing on to the vehicle chassis). One, by maximising the cooling surface, we achieve the highest potential torque densities possible. “When you choose to design a dedicated, integrated inverter, you essentially ‘lock in’ the in-wheel motor’s specs, so any car using those wheels would need a lot of resources to be kept up to speed with developments in inverter technology,” Lampic concludes. “The combination of the maximum Hertzian contact stress and the strain corresponding to the maximum allowed air gap deviation yields a specific bearing requirement, called the ‘tilting stiffness’, which is typically between 7 and 10 kN/° and which also encompasses extreme cases,” Gotovac says. For example, in lap winding, each continuous strand of conductor wire can be damaged as it is inserted into and twisted around the stator teeth. Elaphe’s approach to such testing is based on the ISO 16750-3:2007 standard for environmental conditions and testing for mechanical loads on electrical and electronic equipment. The company’s motor control software has therefore been developed with a modular and common architecture to enable compatibility with varying inverter hardware, as it expects future advances in inverters to rapidly enable higher switching speeds and therefore further improvements in motor control and efficiencies. There is no tightening or straining of them, as might happen with copper strands, or any post-deformation as with hairpin stator conductors. “These are pretty good diameter wheels, thin but big … “Those standards have also informed our requirements for e-motor and inverter-specifi c performance parameters, EMC, electrical safety, durability and cable routing. “The number of magnets we install varies but is quite high, usually exceeding 40 on the L1500. Lordstown Motors licensed the L1500 in-wheel hub motor from Slovenian tech company Elaphe Propulsion Technologies. Ease of integration and component logistics have also been strongly prioritised by Elaphe during its design of the L1500. This rests on putting the bearing and the motor through cornering, endurance and durability tests (in accordance with SAE standards J328/2016-03 and J328/2005-2) to see how it sustains loads (reducing their transmission to the rest of the motor), and whether contact in the air gap occurs at any point. However, wire strands can suffer significant damage as a result. For example, e-motors on heavy commercial and off-roading vehicles will endure higher external loads owing to harsher interactions between tyre and the road. For instance, Elaphe provides L1500 in-wheel motor that has a peak power of 110 KW, with a speed of 1,250 rpm and can be cooled by using the liquid cooling method. >110 kW peak, 77 kW rated. Icona Nucleus will have an electric AWD drivetrain which is a 4 Elaphe L1500 in-wheel 110 kW motor in wheel producing 600 hp. (www.prodrive-electric.com).SOURCE Elaphe Propulsion Technologies Ltd. Unveiled in 2019, the L1500’s design was based in the early stages of its development on the M700. LM will build those motors in its Ohio plant, alongside the trucks that will use them. Elaphe's high-performance in-wheel motors are designed for integration in vehicles … Future OEM EV/HEV models direct-drive in-wheel electric motor with standard disc brake and and! 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