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首页> 外文会议>Microwave Workshop Series on Innovative Wireless Power Transmission: Technologies, Systems, and Applications (IMWS), 2012 IEEE MTT-S International >Novel EV society based on motor/ capacitor/ wireless — Application of electric motor, supercapacitors, and wireless power transfer to enhance operation of future vehicles
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Novel EV society based on motor/ capacitor/ wireless — Application of electric motor, supercapacitors, and wireless power transfer to enhance operation of future vehicles

机译：基于电动机/电容器/无线的新型电动汽车社会—电动机，超级电容器和无线电力传输的应用可增强未来车辆的运行

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Why do we need to supply “big energy” to electric vehicles (EVs) “while stopping” and “for a short time”? The energy form of electricity is absolutely different from gasoline. We may not need to take the same style of gasoline vehicle. Future EVs will be linked to the electric power system infrastructure; the vehicles will operate through frequent electric charging, as is the case with electric trains. Wireless power transfer based on magnetic resonance will be an extremely important technique to receive energy from the infrastructure. In a laboratory experiment, this technique enabled approximately 1kW power transfer with more than 90% efficiency at a distance of 1 m. It opens a new way to the novel EV world. Supercapacitors, rather than batteries, will play an important role in the future for charging of EVs. Supercapacitors have a long operating life (a few million times charge/ discharge life), large current density, and environmentally friendly composition. Further, their energy level can be estimated from the terminal voltage. Our EVs powered by supercapacitors can operate for more than 20 min after being charged for only 30 s. Electric motors have three major advantages: motor torque generation is quick and accurate, a motor can be attached to each wheel, and motor torque can be estimated precisely. These advantages enable the realization of high performance antilock braking and traction control systems, control of two-dimensional chassis motion, and estimation of road surface condition. Such motion control techniques improve energy efficiency and safety of future EVs. In summary, we can achieve a large-scale development of future vehicles that employ three techniques: Electric Motors, Supercapacitors, and Wireless Power Transfer. This eliminates the requirement for engines, high performance Li-ion batteries, and quick charging stations.
机译：为什么我们需要“在停车时”和“短时间内”为电动汽车（EV）供应“大能量”？电力的能源形式与汽油完全不同。我们可能不需要采取相同风格的汽油车。未来的电动汽车将与电力系统基础设施联系在一起；车辆会像电动火车一样通过频繁的充电来运行。基于磁共振的无线电力传输将是从基础设施接收能量的极其重要的技术。在实验室实验中，该技术可以在1 m的距离内实现约1kW的功率传输，效率超过90％。它为新颖的电动汽车世界开辟了新途径。超级电容器而非电池将在未来的电动汽车充电中扮演重要角色。超级电容器具有长的使用寿命（充电/放电寿命的几百万倍），大电流密度和环保的成分。此外，它们的能级可以从端电压估计。我们的电动汽车由超级电容器驱动，仅需充电30秒钟，即可运行20分钟以上。电动机具有三个主要优点：电动机扭矩生成快速而准确，每个车轮都可以安装一个电动机，并且可以精确估算电动机扭矩。这些优点可实现高性能的防抱死制动和牵引力控制系统，二维底盘运动控制以及路面状况的估计。这种运动控制技术提高了未来电动汽车的能源效率和安全性。总而言之，我们可以实现采用三种技术的未来车辆的大规模开发：电动机，超级电容器和无线电力传输。这消除了对发动机，高性能锂离子电池和快速充电站的需求。

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