E-mobility demo teams wireless charging with solar power

April 24, 2020 //By Nick Flaherty
Daihen in Japan has demonstrated an e-mobility system that combines wireless charging from Witricity with solar power for electric carts
Daihen in Japan has demonstrated an e-mobility system that combines wireless charging from WiTricity with solar power for electric carts

Daihen has demonstrated an e-mobility system in Osaka, Japan, that combines wireless charging of electric carts with solar power.

The wireless charging uses technology from WiTricity, which the company licenses for commercial systems for electric vehicles (EVs) and automatic guided vehicles (AGVs) in factory and industrial settings. The two have been working on the technology since 2016, and Daihen uses WiTricity’s DRIVE 11 wireless charging system as a reference design for its own line of standards-compliant wireless chargers for battery electric and hybrid electric vehicles. Last year WiTricity bough wireless charing technology from Qualcomm's Halo division and has a deal with electric car pioneer Nissan.

The demonstation with Kansai Electric Power at the Expo Park in Osaka uses a small electric vehicle, similar in size and functionality to a golf cart, and a solar-powered wireless charging system from Daihen. This combines the D-Broad wireless charging system, on-demand vehicle reservation systems, location information and data analysis of people's movements to create a next-generation mobility service. Visitors were able to use their smartphones to call up electric carts, which were charged by a solar-powered wireless charging system. This system made car-sharing operations more convenient for both park managers and visitors.

D-Broad is a wireless charging system for factory automation based on WiTricity’s patented magnetic resonance technology that enablesfast, automatic charging at multiple locations along an AGV route through a factory as it transports materials and parts, avoiding the need for human operators to take AGVs out of service to recharge them. Daihen supplies the system on an OEM basis to AGV and mobile robotics manufacturers, and directly to advanced manufacturing engineers for custom factory automation projects. In addition to streamlining the AGV charging process, the D-Broad system also improves system reliability and reduces total cost of ownership by eliminating trouble-prone charging connectors and cables.

“Wireless charging is essential to the future of mobility, whether that mobility happens on city streets or in factories. The


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