Vehicle Dynamics International
  • News
    • Braking
    • Chassis
    • Driveline & Transmission
    • Dynamics Software
    • Electronic Dynamic Control
    • Lightweighting
    • OEM News
    • Ride Comfort
    • Simulation
    • Steering
    • Tires and wheels
    • Vehicle Testing
  • Features
  • Online Magazines
    • December 2024
    • May 2023
    • December 2023
    • May 2023
    • November 2022
    • Spring 2022
    • Subscribe Free!
  • Videos
  • Supplier Spotlight
  • Jobs
    • Browse Jobs
    • Post a Job – It’s FREE!
    • Manage Jobs (Employers)
  • Events
  • VDI Awards
    • 2022 Vehicle Dynamics International Awards: the winners!
    • 2021 Vehicle Dynamics International Awards: the winners!
    • 2020 Vehicle Dynamics International Awards: the winners!
    • 2019 Vehicle Dynamics International Awards: the winners!
    • 2018 Vehicle Dynamics International Awards: the winners!
    • 2017 Vehicle Dynamics International Awards: the winners!
LinkedIn YouTube X (Twitter)
Subscribe to Magazine SUBSCRIBE TO EMAIL NEWSLETTER MEDIA PACK
LinkedIn
Vehicle Dynamics International
  • News
      • Braking
      • Chassis
      • Driveline & Transmission
      • Dynamics Software
      • Electronic Dynamic Control
      • Lightweighting
      • OEM News
      • Ride Comfort
      • Simulation
      • Steering
      • Tires and wheels
      • Vehicle Testing
  • Features
  • Supplier innovations
  • Online Magazines
    1. December 2024
    2. May 2024
    3. December 2023
    4. May 2023
    5. November 2022
    6. Spring 2022
    7. Subscribe Free!
    Featured
    December 10, 2024

    The December 2024 issue of Vehicle Dynamics International is out!

    Braking By Web Team
    Recent

    The December 2024 issue of Vehicle Dynamics International is out!

    December 10, 2024

    The May 2024 issue of Vehicle Dynamics International is out!

    May 20, 2024

    The December 2023 issue of Vehicle Dynamics International is out!

    December 19, 2023
  • Videos
  • Supplier Spotlight
  • Jobs
    • Browse Jobs
    • Post a Job – It’s FREE!
    • Manage Jobs (Employers)
  • Events
  • VDI Awards
    • 2023 Vehicle Dynamics International Awards: the winners!
    • 2022 Vehicle Dynamics International Awards: the winners!
    • 2021 Vehicle Dynamics International Awards: the winners!
    • 2020 Vehicle Dynamics International Awards: the winners!
    • 2019 Vehicle Dynamics International Awards: the winners!
    • 2018 Vehicle Dynamics International Awards: the winners!
    • 2017 Vehicle Dynamics International Awards: the winners!
LinkedIn
Vehicle Dynamics International
Electronic Dynamic Control

NSK enhances in-wheel motor for wireless charging on the road

Adam GavineBy Adam GavineJanuary 3, 20203 Mins Read
Share LinkedIn Twitter Facebook Email

NSK has developed the third generation of its wireless in-wheel motor (W-IWM), a design which comprises a motor, inverter and wireless charging unit. The motor, designed for the electric vehicle (EV) market, is claimed to be capable of charging from coils embedded in the road, while in motion. The development of the unit was conducted jointly by a research group comprising NSK, the Fujimoto Laboratory at the University of Tokyo´s Graduate School of Frontier Sciences, Bridgestone Corporation, ROHM and Toyo Electric Mfg.

The design is intended to answer concerns regarding the convenience of stationary EV charging setups and the amount of resources required to produce large amounts of battery cells. NSK views efficient running with a minimal amount of battery cells as being key to the sustainable spread of EVs, with wireless charging while in motion being devised as a solution for EVs with small batteries.

The third-generation W-IWM is claimed to offer “vastly improved” in-motion charging capability, motor performance and ease of mounting compared with the previous designs, bringing together the features required for practical application. A key feature is that the W-IWM’s in-motion wireless power receiver circuit, as well as the EV driving mechanism (motor and inverter), fit entirely inside the wheel.

In terms of motor performance, compared with the second-generation W-IWM for light vehicles announced in 2017 (12kW per wheel), the third-generation W-IWM has been created for use in larger passenger cars (25kW per wheel). Furthermore, while the second-generation W-IWM had an in-motion charging capacity of 10kW per wheel, the third-generation unit offers 20kW.

The third-generation NSK in-wheel motor being demonstrated in a prototype vehicle

The relevance of these improvements are linked to the future emergence of smart cities, where the installation of in-motion wireless charging systems in the road surface (even if only at traffic signals) would see EV drivers travel without having to worry about charging, dramatically increasing convenience. Based on this thinking, NSK is looking into the potential for in-motion charging infrastructure by analysing public road traffic data and conducting simulations.

In order to take advantage of open innovation and accelerate the practical implementation of the in-motion wireless charging system, the joint research group has agreed to leave open the basic patents associated with this project.

While the research group is currently in the process of testing and evaluating the third-generation W-IWM, it is also pushing towards prototyping the subsequent generation unit, which will incorporate more new ideas. The group will integrate not only the expertise of current project members, but also a wide range of knowledge from various fields held by other organisations and companies. The aim is to enter the verification phase for the real-world testing of an in-motion wireless charging system by 2025.

Share. Twitter LinkedIn Facebook Email
Previous ArticleGeely to collaborate with Univeristy of Birmingham
Next Article ZF works with Microsoft to code the chassis of the future
Adam Gavine
  • X (Twitter)

Adam divides his time as an editor between the worlds of aviation and motoring. These worlds may seem a little diverse today, but autonomous technology and future urban mobility is bringing them ever-closer. Adam is also chairman of the Vehicle Dynamics International Awards.

Related Posts

Dynamics Software

Awards for ADAS & Autonomous Vehicle innovation to be announced this week

May 19, 20254 Mins Read
Dynamics Software

Nissan-backed research project advances autonomous driving

April 4, 20254 Mins Read
Braking

New funding strengthens Easyrain’s grip on the market

January 28, 20252 Mins Read
Latest Posts

Awards for ADAS & Autonomous Vehicle innovation to be announced this week

May 19, 2025

ATTI Awards winners to be announced on 20 May

May 19, 2025

VI-grade launches Cloud platform to boost scalable vehicle simulation capabilities

May 14, 2025
Our Social Channels
  • LinkedIn
Getting in Touch
  • Free Email Newsletters
  • Meet The Editors
  • Contact Us
  • Media Pack
Related Topics
  • Electric & Hybrid Vehicle
  • Industrial Vehicle Technology
FREE NEWS EMAIL!

Get essential industry news from this website direct to your inbox every fortnight


© 2023 Mark Allen Group Ltd | All Rights Reserved
  • Cookie Policy
  • Privacy Policy
  • Terms & Conditions

Type above and press Enter to search. Press Esc to cancel.