Development of Wireless In-Wheel Motor Using Magnetic Resonance Coupling
In-wheel motors (IWMs) in electric vehicles are particularly important for motion control. A conventional IWM is powered from a battery aboard the vehicle via cables. Since power cables and signal cables of an IWM are exposed to harsh environments, they can possibly become disconnected by high accel...
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| Veröffentlicht in: | IEEE transactions on power electronics 2016-07, Vol.31 (7), p.5270-5278 |
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| creator | Sato, Motoki Yamamoto, Gaku Gunji, Daisuke Imura, Takehiro Fujimoto, Hiroshi |
| description | In-wheel motors (IWMs) in electric vehicles are particularly important for motion control. A conventional IWM is powered from a battery aboard the vehicle via cables. Since power cables and signal cables of an IWM are exposed to harsh environments, they can possibly become disconnected by high acceleration or vibration. In order to overcome this problem, the wireless-in wheel motor (W-IWM) has been proposed. The risk of disconnection would disappear if the cables of the IWM are removed. One way to implement wireless power transfer is by utilizing the magnetic resonance coupling method. However, motion of the W-IWM, and thus, a misalignment between the wheel and the vehicle, leads to variations in the secondary-side voltage provided. To account for this, this paper discusses two new control methods. One proposed method maintains the secondary voltage using a hysteresis comparator. The other proposed method estimates the secondary inverter output power, applying it to a feedforward controller in order to keep the secondary dc-link voltage constant. Experimental results show that these methods can drive a W-IWM effectively with high efficiency. |
| doi_str_mv | 10.1109/TPEL.2015.2481182 |
| format | Article |
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A conventional IWM is powered from a battery aboard the vehicle via cables. Since power cables and signal cables of an IWM are exposed to harsh environments, they can possibly become disconnected by high acceleration or vibration. In order to overcome this problem, the wireless-in wheel motor (W-IWM) has been proposed. The risk of disconnection would disappear if the cables of the IWM are removed. One way to implement wireless power transfer is by utilizing the magnetic resonance coupling method. However, motion of the W-IWM, and thus, a misalignment between the wheel and the vehicle, leads to variations in the secondary-side voltage provided. To account for this, this paper discusses two new control methods. One proposed method maintains the secondary voltage using a hysteresis comparator. The other proposed method estimates the secondary inverter output power, applying it to a feedforward controller in order to keep the secondary dc-link voltage constant. Experimental results show that these methods can drive a W-IWM effectively with high efficiency.</description><identifier>ISSN: 0885-8993</identifier><identifier>EISSN: 1941-0107</identifier><identifier>DOI: 10.1109/TPEL.2015.2481182</identifier><identifier>CODEN: ITPEE8</identifier><language>eng</language><publisher>New York: IEEE</publisher><subject>Acceleration ; Automotive wheels ; Cables ; Coils ; Disengaging ; Electric potential ; Electric power generation ; Electric Vehicles ; Hysteresis motors ; In-Wheel Motor ; Inverters ; Magnetic resonance ; Magnetic Resonance Coupling ; Motion control ; Motors ; Vehicles ; Vibration ; Voltage ; Voltage control ; Wheels ; Wireless communication ; Wireless Power Transfer</subject><ispartof>IEEE transactions on power electronics, 2016-07, Vol.31 (7), p.5270-5278</ispartof><rights>Copyright The Institute of Electrical and Electronics Engineers, Inc. (IEEE) Jul 2016</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c326t-ea17a674633524b0008ace079186b06a863304a114a2bb44bba1dbf85c3d69353</citedby><cites>FETCH-LOGICAL-c326t-ea17a674633524b0008ace079186b06a863304a114a2bb44bba1dbf85c3d69353</cites><orcidid>0000-0002-8866-0032</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://ieeexplore.ieee.org/document/7274365$$EHTML$$P50$$Gieee$$H</linktohtml><link.rule.ids>314,780,784,796,27915,27916,54749</link.rule.ids><linktorsrc>$$Uhttps://ieeexplore.ieee.org/document/7274365$$EView_record_in_IEEE$$FView_record_in_$$GIEEE</linktorsrc></links><search><creatorcontrib>Sato, Motoki</creatorcontrib><creatorcontrib>Yamamoto, Gaku</creatorcontrib><creatorcontrib>Gunji, Daisuke</creatorcontrib><creatorcontrib>Imura, Takehiro</creatorcontrib><creatorcontrib>Fujimoto, Hiroshi</creatorcontrib><title>Development of Wireless In-Wheel Motor Using Magnetic Resonance Coupling</title><title>IEEE transactions on power electronics</title><addtitle>TPEL</addtitle><description>In-wheel motors (IWMs) in electric vehicles are particularly important for motion control. A conventional IWM is powered from a battery aboard the vehicle via cables. Since power cables and signal cables of an IWM are exposed to harsh environments, they can possibly become disconnected by high acceleration or vibration. In order to overcome this problem, the wireless-in wheel motor (W-IWM) has been proposed. The risk of disconnection would disappear if the cables of the IWM are removed. One way to implement wireless power transfer is by utilizing the magnetic resonance coupling method. However, motion of the W-IWM, and thus, a misalignment between the wheel and the vehicle, leads to variations in the secondary-side voltage provided. To account for this, this paper discusses two new control methods. One proposed method maintains the secondary voltage using a hysteresis comparator. The other proposed method estimates the secondary inverter output power, applying it to a feedforward controller in order to keep the secondary dc-link voltage constant. Experimental results show that these methods can drive a W-IWM effectively with high efficiency.</description><subject>Acceleration</subject><subject>Automotive wheels</subject><subject>Cables</subject><subject>Coils</subject><subject>Disengaging</subject><subject>Electric potential</subject><subject>Electric power generation</subject><subject>Electric Vehicles</subject><subject>Hysteresis motors</subject><subject>In-Wheel Motor</subject><subject>Inverters</subject><subject>Magnetic resonance</subject><subject>Magnetic Resonance Coupling</subject><subject>Motion control</subject><subject>Motors</subject><subject>Vehicles</subject><subject>Vibration</subject><subject>Voltage</subject><subject>Voltage control</subject><subject>Wheels</subject><subject>Wireless communication</subject><subject>Wireless Power Transfer</subject><issn>0885-8993</issn><issn>1941-0107</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><sourceid>RIE</sourceid><recordid>eNpdkEFLw0AQhRdRsFZ_gHgJePGSOpPd7G6OUqsttCjS0mPYpJOaku7GbCL4701p8eBpDu97j-Fj7BZhhAjJ4_J9Mh9FgPEoEhpRR2dsgInAEBDUORuA1nGok4RfsivvdwAoYsABmz7TN1Wu3pNtA1cE67KhirwPZjZcfxJVwcK1rglWvrTbYGG2ltoyDz7IO2tsTsHYdXXVZ9fsojCVp5vTHbLVy2Q5nobzt9fZ-Gke5jySbUgGlZFKSM7jSGQAoE1OoBLUMgNpdB-AMIjCRFkmRJYZ3GSFjnO-kQmP-ZA9HHfrxn115Nt0X_qcqspYcp1PUSU8EoiJ7NH7f-jOdY3tv-spKRQCV7qn8EjljfO-oSKtm3Jvmp8UIT24TQ9u04Pb9OS279wdOyUR_fEqUoLLmP8CJ9FzMA</recordid><startdate>201607</startdate><enddate>201607</enddate><creator>Sato, Motoki</creator><creator>Yamamoto, Gaku</creator><creator>Gunji, Daisuke</creator><creator>Imura, Takehiro</creator><creator>Fujimoto, Hiroshi</creator><general>IEEE</general><general>The Institute of Electrical and Electronics Engineers, Inc. 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A conventional IWM is powered from a battery aboard the vehicle via cables. Since power cables and signal cables of an IWM are exposed to harsh environments, they can possibly become disconnected by high acceleration or vibration. In order to overcome this problem, the wireless-in wheel motor (W-IWM) has been proposed. The risk of disconnection would disappear if the cables of the IWM are removed. One way to implement wireless power transfer is by utilizing the magnetic resonance coupling method. However, motion of the W-IWM, and thus, a misalignment between the wheel and the vehicle, leads to variations in the secondary-side voltage provided. To account for this, this paper discusses two new control methods. One proposed method maintains the secondary voltage using a hysteresis comparator. The other proposed method estimates the secondary inverter output power, applying it to a feedforward controller in order to keep the secondary dc-link voltage constant. 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| language | eng |
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| source | IEEE Electronic Library (IEL) |
| subjects | Acceleration Automotive wheels Cables Coils Disengaging Electric potential Electric power generation Electric Vehicles Hysteresis motors In-Wheel Motor Inverters Magnetic resonance Magnetic Resonance Coupling Motion control Motors Vehicles Vibration Voltage Voltage control Wheels Wireless communication Wireless Power Transfer |
| title | Development of Wireless In-Wheel Motor Using Magnetic Resonance Coupling |
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