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. 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. Second, the cooling system is positioned in such a way that it also intrinsically shields the electromagnetic part from heat transfer from the brakes.”. That’s especially impressive considering how gas prices have remained low, ... Small Package, Enormous Power : The Elaphe L1500 In-Wheel Motor. 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. Order today, ships today. The potting material is a custom epoxy resin formula developed to meet requirements such as heat transfer, crack resistance, electrical resistivity, production cycle times and other process-related aspects.”, An L1500 stator before (left) and after (right) installing a disc brake. Most of these segments have high growth potential, and they also benefit from a real four-wheel-drive capability with torque vectoring and brake blending in a compact package.”, Permanent magnet, three-phase synchronous AC motor, External rotor with surface-mounted magnets, Internal stator with pseudo-helical multiphase wave winding, Maximum power output: 113.6 kW at 370 V DC, Continuous power output: 65.3 kW at 370 V DC, Continuous power output with field weakening: 83 kW at 370 V DC, Diameter: 464 mm (fits standard 19 in rims), Axial length: 142.2 mm (hub-to-rim attachment is less). The Italian design company Icona announces its debut at the 88th Geneva International Motor show, unveiling a worldwide premiere: the autonomous driving concept vehicle Icona Nucleus. STUTTGART, Germany, May 7, 2019 /PRNewswire-PRWeb/ -- Today at the Electric and Hybrid Vehicle Technology Expo, Elaphe Propulsion Technologies announced they will begin low-volume series manufacturing of the world's highest performance direct drive, gearless in-wheel powertrain system, called the L1500. As Lampic notes, every component in each L1500 must be designed for ‘multiphysics efficacy’, capable of handling many different kinds of thermal, structural and electrical loads. As mentioned, defining the optimal bearing was one of the earliest and most important tasks in the L1500’s development, in terms of defining the tolerances and optimal design qualities of its various components. 10-mag-2019 - Electric cars are not really a thing for petrolheads, but the torquey Elaphe L1500 In-Wheel motor could change that by the end of this year. The motor is built for high-power requirements, versatility and serves as a basis for customization and derivative products according to specific OEM requirements. LA 150-P – Current Sensor 150A 1 Channel Hall Effect, Closed Loop Bidirectional Module, Single Pass Through from LEM USA Inc.. Pricing and Availability on millions of electronic components from Digi-Key Electronics. “In our standard, publicly known solutions, we construct the rotor with surface-mounted permanent magnets, although we are familiar with other ways of designing and installing the magnets if the application or customer requires their use,” Gotovac says. As with hairpin stators, compact multiphase wave winding uses thick, pre-deformed ‘bands’ (essentially long, thin rods) of copper, rather than strands or thin sheet-cut tapers, for its conductors. Once the L1500’s main components and their details are ironed out, holistic analysis of assembly-related loads are performed. It’s what we call our ‘multiphysics’ approach,” says Lampic. For instance, in May 2018, Elaphe Propulsion Technologies Ltd. launched the Elaphe L1500 two-wheeler hub motor. Following static testing, fatigue tests are performed to simulate the effects of multiple loads over the service life of the motor, and to see how many repeated loads the motor could take before its components’ fi nite elements begin showing signs of deterioration. 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. Hairpin stators and similar configurations using discrete, short segments of copper conductor bars (rather than strands of wire, or ‘block coils’ cut from copper foil sheets) can be deformed as needed, to minimise overhangs and maximise the packing density in the stator slots without being damaged. “We have patented this approach, and since then some major OEMs have adopted helical multiphase wave winding, but we’ve kept developing our automated winding machinery and stator testing procedures. As these overhangs lie outside the stator slots, they do not contribute to motor torque. “While we can use MOSFETs, IGBTs, SiCs and GaNs, we’ve found that the L1500 is most popularly paired with a COTS silicon IGBT inverter with a 200 kVA maximum output, installed on board the vehicle,” Gotovac says. The liquid-cooling circuit constitutes the active cooling of the L1500. The decision to create a set of internal standards for design concepts has also resulted in Elaphe building its own testing centre, which houses machinery to evaluate the endurance and durability of new prototype and customised motors. Elaprase Prices, Coupons and Patient Assistance Programs. 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 . “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. Thermal sensors are added to the bearing hub during these tests to measure any overheating. As Lampic says, “We wanted to bring what we feel is required for improving future OEM EV/HEV models. best rc boat kits ideas and get free shipping. The selection of an adhesive for bonding the permanent magnets in their slots is tested and validated in a similar way to the structure of the rotor and stator. These begin with a vague CAD approximation of each component with a target level of structural stiffness, then repeatedly exposes them to different load simulations, (including differing combinations and quantities of them), over several dozen iterations. Within 5 minutes the L1500 can be integrated into or removed from a car wheel for routine maintenance, such as brake inspections and replacements. LM will build those motors in its Ohio plant, alongside the trucks that will use them. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. 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. “If you can use an uninterrupted, continuous wire instead of so many separate pieces, you don’t need so much insulation, and it’s more costeffective to manufacture. Additional simulations of external loads on the L1500, such as those coming from hitting potholes, curbs or other issues related with rough roads, were performed according to SAE standards including SAE J175 and J1981 on impact tests for wheels and tyres in road vehicles. To minimise the effects on the air gap, the bearing must be able to sustain suffi cient external loads to prevent them passing through to the rotor and stator. The L1500 on a shaker table, before starting a random vibration test for axial loads. Find out all of the information about the Elaphe Propulsion Technologies Ltd. product: electric vehicle wheel hub motor M700. Tests on the L1500 include those for mechanical shocks. Supplied with the whole system, including a high-power inverter (motor controller) and vehicle powertrain ECU (Powertrain control unit). For example, thermo-mechanical simulations are carried out to examine how the air gap between the rotor and stator might deform as a result of severe heat and shock. “We knew from the outset that a lot of the technology we bought in for this vehicle will be obsolete by the time it … 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). “For magnetic strength, there is always a compromise between the magnet grade and the physical air gap in the motor.”. “While there’s still some way to go in terms of common, smart standards for inwheel motor development, over the past 20 years we’ve created a set of internal standards based on our tools, methodologies and various industry best practices.”. All this being said, the company has for more than 10 years now been developing its competencies in integral inverter topologies for in-wheel motors. Elaphe's wave-winding technique installs continuous lengths of copper into the stator teeth to minimise the 'overhangs' that lower energy efficiency. “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. Icona Nucleus will have an electric AWD drivetrain which is a 4 Elaphe L1500 in-wheel 110 kW motor in wheel producing 600 hp. “This has two critical benefits. You get a full legal limit amp and tuner for close to the price of a tube amplifier and manual tuner. 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. I love the amp, and am glad I purchased it. The M700 was the first motor Elaphe fully validated according to existing automotive standards, and both motors have some architectural similarities. As well as being useful for testing tyres and rims, they are also designed for studying bearings in a fast, repeatable and controlled manner, which is ideal for the L1500. 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 . 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. “The advantage, compared with hairpin stators, is that our overhangs are much shorter, meaning less losses,” Gotovac says. 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 )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 … Given this need to stay flexible for typical in-wheel motor customers, designing the motors around integrated inverters would have meant driving up design and component costs for each customer. Random vibration endurance is also tested, by combining a shaker table and a thermal chamber to apply vibrations at up to 2000 Hz and 40 g in force in the horizontal, vertical and axial directions. Automotive manufacturer Hyundai has a new incentive to lure buyers to its offerings with the 2016 Hyundai Elantra and the new Value Edition. “With more experience and our model accuracies optimised, we replaced the N40UH with N40SH, the latter being in the 150 C temperature class.”. As a result, there are three high-flex phase cables and two signal cables in the wiring harness for connecting inverters to the L1500. 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. The electric vehicle revolution has grown out of conventional vehicle design. As the CEO notes, Elaphe’s proprietary holistic motor optimisation algorithm takes into account (among other information) a wide range of magnet parameters as it evaluates an overall motor design. That keeps them small in size and has some very positive effects in terms of reducing eddy-current losses and their overall mass relative to the magnetic flux.”, Neodymium is used for the L1500’s permanent magnets, a material selection which has also been motivated by the need for high torque density. These simulations must show that the degree of deformation never exceeds a certain (undisclosed) value, thus ensuring no impact between the windings or permanent magnets can occur. 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. Elaphe therefore anticipates considerable customisation and differing production cycles for each motor. Also, ground-induced or roadinduced loads consisting mainly of vibrations and bending moments can act on the e-motor via the tyre. The Elaphe™ M700 motor is an extremely compact high-torque in-wheel motor, designed to fit inside a standard 15- or 16-inch rim. 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. For example, an EV designer could choose to have a dual-inverter integration in a single housing, which could use a singleloop cooling system, share a single logic board, faster comms for full axle control, and so on,” Gotovac says. Lordstown Motors licensed the L1500 in-wheel hub motor from Slovenian tech company Elaphe Propulsion Technologies. Lordstone Motors ประกาศข้อตกลงร่วมกับ Elaphe Propulsion Technologies ในการผลิตรถกระบะ L-1500 Endurance ซึ่งติดตั้งมอเตอร์ไฟฟ้าไว้ที่ล้อ โดยจะเริ่มทำการผลิตที่โรงงานใน โอไฮโอ “In the early years of developing our in-wheel motor technologies, we used mainly N40UH magnets [which have a maximum working temperature of 180 C] in our prototypes in order to ensure good thermal performance,” Gotovac recalls. The cost for Elaprase intravenous solution (2 mg/mL) is around $3,283 for a supply of 3 milliliters, depending on the pharmacy you visit. *Prices are pre-tax. That would probably have reduced the rate of adoption, owing to the higher initial price point. That maximises the surface area under which our cooling channels can run, as close as possible to as much of the copper as possible,” Gotovac says. 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. Consult Elaphe Propulsion Technologies Ltd.'s entire Elaphe In-Wheel Technology catalogue on DirectIndustry. Elaprase Prices. The conductor bands can have a round or square cross-section, as well as a tangential shape to ‘u-bend’ around each stator tooth to the next, with at least one continuous band per phase of the motor (unlike the many separate bands used in hairpin stators). See more ideas about audi r8, audi, audi cars. Having been filtered through the industrial designer’s guidelines, the stator and rotor designs are then evaluated (together with connected structural interfaces for a holistic motor simulation) using multiphysics fi nite element analysis (FEA) testing. First, the stiffness of the customer’s preferred bearing is characterised using Elaphe’s in-house numerical analysis software. Rory Jackson reports on how it was developed, Applications for the L1500 in-wheel motor include Sportscars (above), pick-up trucks, SUVs and urban vehicles (right), among others (Images courtesy of Elaphe Propulsion Technologies). Castings and stampings: MWS and other, undisclosed suppliers, Braking components: APG and other, undisclosed suppliers, High Power Media Ltd, Whitfield House, Cheddar Road, Wedmore, BS28 4EJ UK /. The L1500 has been designed to enable it to be used in a wide range of OEM EVs and HEVs. The windings have been potted in Elaphe’s custom thermal transfer resins. At the top of Elaphe’s in-wheel propulsion product range is the L1500, a radial flux, three-phase AC synchronous motor weighing 33.3 kg, with a radius of 23.2 cm (and therefore fitting a standard 19 in rim) and an axial length of 14.22 cm. Rory Jackson reports on how it was developed Applications for the L1500 in-wheel motor include Sportscars (above), pick-up trucks, SUVs and urban vehicles (right), among others (Images courtesy of Elaphe Propulsion Technologies) Sl “So, we must use 20" tires. 370 VDC nominal voltage. 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. Its endurance and durability are examined across temperature cycles, load cycles, humidity, shock and vibration to ensure the magnets will remain secured in all modes of use in a modern passenger car. These consist of 18 shocks, each measuring 100 g (in force) as well as 60 more shocks of 50 g each. It also has a torque-to-weight ratio of 100 Nm/kg; its competitors go up to 65 Nm/kg, Elaphe says. Given the importance of torque density to an in-wheel motor, Elaphe has built the L1500 with an outrunner configuration, with the rotor directly driving the wheel as it rotates. 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. Lordstown Motors licensed the L1500 in-wheel hub motor from Slovenian tech company Elaphe Propulsion Technologies. At a nominal voltage input of 370 V, its maximum power output is 113.6 kW (at a speed of 1480 rpm), as well as a maximum tested torque of 1500 Nm. Elaphe integrates (from left to right) standard-issue tyres with 19 in rims, the L1500 housing (and rotor), its stator, standard automotive brakes and a standard bearing, to mount to the vehicle knuckle. The company has software scenarios (and dedicated test tracks, which would be used for road-proving the motor later on) for driving over potholes, brick roads, speed bumps, embedded rock paths and other surfaces to examine how the motor handles the repeated impacts and harmonic stresses of such use. As with the previous fatigue simulations, both tests are performed in accordance with ISO 16750-3:2007. To help the electric BMW X6 perform the tank turns, Elaphe Propulsion mounted four Elaphe L1500 gearless electric motors to each wheel. The FEA includes static simulations (that is, one-off impacts) of how stresses and deformations would be distributed across the motor under varying load speeds, the levels of and ways in which friction occurred between components and connections, and other properties of the design’s structural integrity. In the first year, the PRODRIVE team has delivered the first vehicle, a converted BMW X6, powered by 4× Elaphe L1500 motors, controlled by Elaphe PCU (Propulsion Control Unit) with a total output of 6000 Nm, 440 kW and an overall impressive acceleration and cornering performance. “As we see it, the expected trajectory of transistor advances is too fast to commit to one specific technology that we can confidently wrap our motors around,” Lampic says. The L1500 has been subjected to extensive tests and simulations. Those parts are also kept as accessible as they would be in conventional road vehicles (and thus easily serviceable) thanks to the company’s approach to integration, in which the motor is mounted over the brake assembly, similarly to the rim and tyre. Moreover, in November 2018, Savic Motorcycles announced a new electric motorcycle model Cafe Racer and will launch it by 2020. LM will build those motors in its Ohio plant, alongside the trucks that will use them. This is vital, as the development of robust in-wheel electric motors encompasses a far broader set of targets than simply achieving the optimum magnetic fluxes, inductances and other typical electric motor parameters. Want To Be A Human Guinea Pig ? 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. “In general, our testing strategy is based on three factors – testing based on OEM and international standards, then legislation, and lastly, internally identified tests based on design failure mode and effect analysis exercises, vehicle tests and simulations,” Lampic says. Analysis based on the ISO 26262 standard has also been useful.”. For broader and closer accuracy of how the bearing will behave over its lifetime, Elaphe then conducts experiments using the Wheel Accelerated Life Test machine (WALT) at the Fraunhofer LBF Institute for Structural Durability and System Reliability in Darmstadt, Germany, with additional similar tests locally on dedicated deflection measurement benches. Unveiled in 2019, the L1500’s design was based in the early stages of its development on the M700. However, wire strands can suffer significant damage as a result. Which also means that they can make that pack for a VERY decreased price. With an integrated standard disc brake, a standard outer caliper and a standard hub bearing, it is designed to fit the original vehicle chassis mechanical and suspension interfaces, due to an innovative packaging concept. Highlights in this issue include a dossier on the Elaphe L1500 in-wheel motor, a conversation with Henrik Fisker the founder of Fisker Inc and a digest on the vRbikes vR3 tricycle. Find out all of the information about the Elaphe Propulsion Technologies Ltd. product: electric vehicle wheel hub motor M700. See what Andrejs Krūmiņš (akrmi0843) has discovered on Pinterest, the world's biggest collection of ideas. To help the electric BMW X6 perform the tank turns, Elaphe Propulsion mounted four Elaphe L1500 gearless electric motors to each wheel. That’s especially impressive considering how gas prices have remained low, and had even declined in recent months. With tube prices going out of sight, and availability becoming scarce, this amp is a no brainer. Elaphe L1500 high-performance direct-drive in-wheel electric motor with standard disc brake and bearing (1500 Nm peak torque). It also has to adhere to tilting stiffness conditions,” Gotovac says. To that end, Elaphe has used heat treatments to minimise these loads and their effects on structural components. Also, NVH (noise, vibration and harshness) simulations provide insight into a critical part of inertial load testing. It also comes with an integration of electronic parking brake caliper in addition to the main friction caliper. “So, we must use 20" tires. “Our multiphase wave winding helps increase the packing density of copper, which reduces current density across the length of the conductor. “What we did – in our capacities as physicists – was to analyse the electromagnetic, thermal, mechanical and control aspects of the motor simultaneously, from the outset of the L1500’s development. We have focuses on fuel cells, measuring equipment and ECUs. “These are pretty good diameter wheels, thin but big diameter,” Burns explains. Its poles use a patented winding method developed in-house, and it attaches directly to the vehicle knuckle. S wheels s technical specialists perform ‘ topological optimisations ’ causing losses in energy.... 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