Yasa motors contact


  • YASA Motors
  • WILLIAMS ADVANCED ENGINEERING SUPPORTS YASA FACILITY OPENING
  • Mercedes-Benz acquires Oxford-based electric motor startup YASA
  • EV Engineering Webinars
  • Mercedes-Benz acquires Yasa
  • YASA Motors

    It turns out that a new company, Evolito , was spun out of YASA before its acquisition by Mercedes-Benz, taking with it an electric motor it describes as ultra-high-performance, low-weight and most suitable for the aerospace industry. The prospect now is that Evolito will pick up in the aerospace world where YASA left off in the automotive world.

    Gareth Morris, managing director, Evolito said: Electrification in aerospace is some 10 years behind that of the automotive industry, but the market potential is huge. Electric vertical take-off and landing, electric helicopter, fixed wing and urban air mobility aircraft need high power density, low-weight electric powertrains with inherently high safety factors — a combination of attributes that are unique to our axial-flux electric motor and power electronics.

    Evolito motor. Image Credits: Evolito Many of these claims appear to ring true. Cyrus Jilla, partner and board director, Waypoint Capital said: At Waypoint, one of our thematic interests is in energy transition and sustainability, including electrification.

    We look to invest in businesses with unique disruptive technology led by outstanding teams. Evolito is a perfect fit for us and we look forward to backing the team as they develop their game-changing electrification solutions for the aerospace market, making emissions-free flight a reality. Alexis Zervoglos, senior partner, OSE added: The electrification of flight is one of the most exciting market opportunities of our time.

    Realizing this potential will require innovative new technology and an ability to scale to meet the fast-emerging demand. OSE is delighted to be supporting Evolito on its mission to accelerate the adoption of electric flight. Just no one tell them about Aviato , OK?

    WILLIAMS ADVANCED ENGINEERING SUPPORTS YASA FACILITY OPENING

    Used in a test rig to evaluate prototype motors, the sensor provides accurate and dependable real time information in a readily accessible format. Compared with conventional axial flux motors, the new YASA types offer a step-change improvement in torque density, making them ideal for applications such as electric vehicles where the highest possible torque-to-weight ratio is a key requirement.

    The YASA topology is based around a series of magnetically separated segments that form the stator of the machine. This motor is compact — just mm in diameter and 70 mm wide — and is, therefore, able to fit easily within the space that would normally be occupied by the front or rear differential in typical vehicle. With the YASA motors, no differential is needed. This has been verified in practice by the Westfield iRacer, a pioneering electric racing car fitted with two YASA motors, which accelerates from 0 to 60 mph in less than five seconds, and is capable of reaching an electronically limited top speed of mph.

    Despite the impressive performance and versatility of its existing products, Oxford YASA Motors is committed to continually refining and improving its designs.

    In addition, the company offers a custom design and manufacturing service for motors to suit applications that are not yet covered by its standard product range. All of this means that it has a regular requirement to analyse the performance of prototype motors. An essential element of this work is accurate measurement of torque and speed of the motors during an extensive programme of testing.

    The tests often involve linking a pair of motors back-to-back, with one driving and the other acting as a brake. While conventional torque sensors based on strain gauges could have been used in this application, this would have unnecessarily complicated the design of the test rig and, in addition, such sensors have a poor reputation for accuracy and reliability. Accordingly, the development team at Oxford YASA Motors looked for a better alternative, which it found in the form of TorqSense non-contact wireless torque sensors from Sensor Technology.

    Based on surface acoustic wave SAW technology, these novel sensors essentially comprise two thin metal electrodes, which take the form of interlocking fingers on a piezoelectric substrate. When a radio frequency signal of the correct frequency is applied to this assembly, surface acoustic waves are set up and it acts as a resonant circuit. If the substrate is deformed, however, the resonant frequency of the assembly changes. This means that if the assembly is attached to, for example, a motor shaft it can be used to measure the deformation in that shaft as the torque transmitted by the shaft changes.

    In other words, the assembly becomes a frequency-dependent strain gauge that measures torque. As the assembly operates at radio frequency it requires no wired connections — signals to and from it can easily be coupled wirelessly. Like all TorqSense sensors, this combines high accuracy and resolution with a large overload capacity and the ability to operate equally well with clockwise and anti-clockwise rotation. In addition to torque data, the sensor also provides information about shaft speed, power and temperature, with all of the data made available in real time.

    The TorqSense sensor proved easy to install and set up, and can be seen in operation in a video in the technology section of the Oxford YASA Motors website www. It is in regular use as an aid to evaluating motor performance, and is providing the company with the dependable and accurate information needed to ensure the continuing success of its development programme in this exciting new field.

    Sensor Technology Ltd,.

    Mercedes-Benz acquires Oxford-based electric motor startup YASA

    Image Credits: Evolito Many of these claims appear to ring true. Cyrus Jilla, partner and board director, Waypoint Capital said: At Waypoint, one of our thematic interests is in energy transition and sustainability, including electrification.

    EV Engineering Webinars

    We look to invest in businesses with unique disruptive technology led by outstanding teams. Evolito is a perfect fit for us and we look forward to backing the team as they develop their game-changing electrification solutions for the aerospace market, making emissions-free flight a reality.

    Alexis Zervoglos, senior partner, OSE added: The electrification of flight is one of the most exciting market opportunities of our time. Realizing this potential will require innovative new technology and an ability to scale to meet the fast-emerging demand. Accordingly, the development team at Oxford YASA Motors looked for a better alternative, which it found in the form of TorqSense non-contact wireless torque sensors from Sensor Technology. Based on surface acoustic wave SAW technology, these novel sensors essentially comprise two thin metal electrodes, which take the form of interlocking fingers on a piezoelectric substrate.

    When a radio frequency signal of the correct frequency is applied to this assembly, surface acoustic waves are set up and it acts as a resonant circuit.

    If the substrate is deformed, however, the resonant frequency of the assembly changes.

    Mercedes-Benz acquires Yasa

    This means that if the assembly is attached to, for example, a motor shaft it can be used to measure the deformation in that shaft as the torque transmitted by the shaft changes. In other words, the assembly becomes a frequency-dependent strain gauge that measures torque. As the assembly operates at radio frequency it requires no wired connections — signals to and from it can easily be coupled wirelessly.

    Like all TorqSense sensors, this combines high accuracy and resolution with a large overload capacity and the ability to operate equally well with clockwise and anti-clockwise rotation.

    In addition to torque data, the sensor also provides information about shaft speed, power and temperature, with all of the data made available in real time. The TorqSense sensor proved easy to install and set up, and can be seen in operation in a video in the technology section of the Oxford YASA Motors website www. It is in regular use as an aid to evaluating motor performance, and is providing the company with the dependable and accurate information needed to ensure the continuing success of its development programme in this exciting new field.

    Sensor Technology Ltd.


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