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公开(公告)号：US10056858B2
公开(公告)日：2018-08-21
申请号：US15424008
申请日：2017-02-03
Applicant: ARM Limited
Inventor： David Victor Pietromonaco
CPC classification number: H02P25/092 , B60L50/40 , B60L2220/54 , H02K11/22 , H02M3/155 , H02M3/158 , H02M3/1582 , H02M3/1584 , H02M2001/0064 , H02M2003/1552 , H02M2003/1586 , H02P25/08 , H02P2201/07 , H02P2201/09 , Y02T10/641 , Y02T10/642 , Y02T10/7022
Abstract: Apparatus is provided comprising an electrical motor comprising a rotor and a stator, the rotor comprising a plurality of rotor teeth and the stator comprising a plurality of stator teeth. The apparatus has a driver circuit to drive the electrical motor comprising a boost converter comprising a charge storage element and coupled to a first terminal of a coil winding on at least one of the plurality of stator teeth, and a buck converter comprising the same charge storage element and coupled to the same first terminal of the coil winding on the at least one of the plurality of stator teeth. An inductive element of the boost converter and the buck converter is provided by the coil winding of the at least one of the plurality of stator teeth, and the charge storage element is referenced to a supply node for coupling the second terminal of the coil winding to an electrical supply.
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公开(公告)号：US10056187B2
公开(公告)日：2018-08-21
申请号：US15353085
申请日：2016-11-16
Applicant: Hyundai Motor Company
Inventor： Dae Woo Lee , Si Hun Yang , Jin Young Yang , In Yong Yeo , Byeong Seob Song , Woo Young Lee
CPC classification number: H01F38/42 , H01F3/10 , H01F3/14 , H01F27/255 , H01F37/00 , H02M3/158 , H02M3/1584 , H02M7/44 , H02M2001/0064 , H02P6/085 , H02P2201/07
Abstract: A trans inductor having a powdery magnetic substance and a power converter using the trans inductor are provided. The trans inductor and the power converter reduce peak current flowing in an inverter power module (IGBT), improve inverter efficiency, reduce output RMS current (output effective current) and reduce capacitor consumption by applying a material with properties that are resistant against current saturation instead of a core material of a conventional trans inductor employed in a power converter. Accordingly, an inductance decreasing rate due to core saturation when high current is generated is improved and current flowing in a switch device is prevented from being abruptly increased.
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93.发明申请公开(公告)号：US20180175777A1
公开(公告)日：2018-06-21
申请号：US15844867
申请日：2017-12-18
Applicant: KABUSHIKI KAISHA YASKAWA DENKI
Inventor： Kunimasa ANDO
CPC classification number: H02P27/08 , H02M1/32 , H02M5/4585 , H02P3/22 , H02P2201/07
Abstract: A motor control system includes a motor having an output line, motor control circuitry that includes DC bus lines and a smoothing capacitor between the DC bus lines and converts DC power supplied from outside the motor control circuitry into AC power and supply the AC power to the motor as driving power, and short circuit circuitry that, while the motor control circuitry is not supplying the driving power to the motor, makes a short circuit between the output line of the motor and a negative line of the DC bus lines of the motor control circuitry.
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公开(公告)号：US20180013373A1
公开(公告)日：2018-01-11
申请号：US15622797
申请日：2017-06-14
Applicant: Kabushiki Kaisha Yaskawa Denki
Inventor： Mitsujiro SAWAMURA , Kunimasa Ando , Tatsuaki Wada
CPC classification number: H02P29/024 , H02M1/08 , H02M1/32 , H02M1/36 , H02M3/158 , H02M5/458 , H02M7/06 , H02M7/5395 , H02M2001/0009 , H02P27/08 , H02P2201/07
Abstract: A motor control system includes a DC-to-DC converter including a semiconductor switch and a reactor that cooperates with the switch to convert input-side DC bus voltage across first and second input-side DC buses into predetermined output-side DC bus voltage across first and second output-side DC buses and to output the output-side voltage, control circuitry that controls duty factor of the switch and determine, based on input-side detection value of the input-side voltage and output-side detection value of the output-side voltage, whether there is failure in the system when the factor is 100 percent and reactor-current detection value of reactor current through the reactor is approximately zero, a smoothing capacitor connected to the output-side buses and disposed between the output-side buses, and an inverter that is connected to the capacitor through the output-side buses, converts DC power from the output-side buses into AC power and supplies the power to a motor.
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公开(公告)号：US20170294862A1
公开(公告)日：2017-10-12
申请号：US15484574
申请日：2017-04-11
Applicant: DENSO CORPORATION
Inventor： Hidekazu TAKAHASHI
CPC classification number: H02P27/08 , B60L11/08 , H02M1/44 , H02M3/1588 , H02M7/53871 , H02M2001/007 , H02M2007/53876 , H02P21/22 , H02P27/06 , H02P2201/07 , Y02B70/1466
Abstract: In a control apparatus for an AC motor, a voltage waveform specifying unit of an inverter control unit specifies a voltage waveform for operating the inverter, based on a voltage vector calculated by a voltage command calculation unit. A spectrum amplitude extraction unit acquires values of bus current of the inverter and extracts the spectrum amplitude of the specific frequency that corresponds to the LC resonance frequency of the converter. A boost/non-boost state judgement unit of a converter control unit determines whether the state required by the converter in the next control cycle is the boost state or the non-boost state. When the spectrum amplitude of the specific frequency, correlated with the voltage waveform, is higher than the judgement threshold value and the converter is in the non-boost state, a voltage command value alteration unit changes the voltage command reference value such that the converter transitions to the boost state.
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Patent Agency Ranking
公开(公告)号：US20170244336A1
公开(公告)日：2017-08-24
申请号：US15441133
申请日：2017-02-23
Applicant: HONDA MOTOR CO., LTD.
Inventor： Ryota KITAMOTO
IPC: H02M7/539 , H01M8/04537 , B60L11/18 , H01M8/04828 , B60R16/033 , H02P27/06
CPC classification number: H02M7/539 , B60L11/18 , B60R16/033 , H01M8/04641 , H01M8/04649 , H01M8/04828 , H01M2250/20 , H02M3/1584 , H02M3/33507 , H02M7/1557 , H02P27/06 , H02P2201/07 , Y02T90/32
Abstract: A power supply system includes a power supply, a converter, and a processor. The converter converts voltage of the electric power supplied from the power supply. The processor is configured to generate a first control signal to control the converter to output a target voltage or a target current via a feedback control based on the first control signal. The processor is configured to generate a second control signal to detect a state of the power supply. The processor is configured to combine the first control signal and the second control signal to control the converter.
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公开(公告)号：US20170149368A1
公开(公告)日：2017-05-25
申请号：US15424008
申请日：2017-02-03
Applicant: ARM Limited
Inventor： David Victor PIETROMONACO
IPC: H02P25/092 , H02K1/14 , H02M3/158 , H02K1/24
CPC classification number: H02P25/092 , B60L11/005 , B60L2220/54 , H02K11/22 , H02M3/155 , H02M3/158 , H02M3/1582 , H02M3/1584 , H02M2001/0064 , H02M2003/1552 , H02M2003/1586 , H02P25/08 , H02P2201/07 , H02P2201/09 , Y02T10/641 , Y02T10/642
Abstract: Apparatus is provided comprising an electrical motor comprising a rotor and a stator, the rotor comprising a plurality of rotor teeth and the stator comprising a plurality of stator teeth. The apparatus has a driver circuit to drive the electrical motor comprising a boost converter comprising a charge storage element and coupled to a first terminal of a coil winding on at least one of the plurality of stator teeth, and a buck converter comprising the same charge storage element and coupled to the same first terminal of the coil winding on the at least one of the plurality of stator teeth. An inductive element of the boost converter and the buck converter is provided by the coil winding of the at least one of the plurality of stator teeth, and the charge storage element is referenced to a supply node for coupling the second terminal of the coil winding to an electrical supply.
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公开(公告)号：US20170088277A1
公开(公告)日：2017-03-30
申请号：US15163499
申请日：2016-05-24
Applicant: Reebeez, Inc.
Inventor： Ankita Ghoshal
CPC classification number: B64D27/24 , B60L8/003 , B64C39/024 , B64C2201/04 , B64C2201/042 , B64D2027/026 , H01L35/00 , H01L35/04 , H01L35/12 , H01L35/22 , H01L35/28 , H01L35/30 , H01L35/32 , H01L35/34 , H02P31/00 , H02P2201/07 , H02S10/30 , Y02T10/7083 , Y02T50/64
Abstract: This disclosure generally relates to a hybrid solid-state propulsion system for aerial vehicles which includes a thermoelectric generator. The thermoelectric generator includes a first heat exchanger disposed within an exhaust duct of an unmanned aerial vehicle. The thermoelectric generator further includes a first ceramic layer disposed on the first heat exchanger and a first and second metal tab bonded to the first ceramic layer. The thermoelectric generator further includes a second metal tab bonded to a second ceramic layer. At least one N-type thermoelectric leg is disposed between the first metal tab bonded to the first ceramic layer and the metal tab bonded to the second ceramic layer. Further, at least one P-type thermoelectric leg is disposed between the second metal tab bonded to the first ceramic layer and the metal tab bonded to the second ceramic layer.
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公开(公告)号：US20160294316A1
公开(公告)日：2016-10-06
申请号：US14877943
申请日：2015-10-08
Applicant: RHYMEBUS CORPORATION
Inventor： Ming-Shi HUANG , Chang-Ming WANG , Kuan-Cheng CHEN , Ming-Chang CHOU
IPC: H02P27/08
CPC classification number: H02P27/08 , H02M1/4216 , H02M3/1582 , H02P23/26 , H02P29/50 , H02P2201/07 , H02P2201/15 , Y02B70/126 , Y02P80/116
Abstract: AC motor driving system and driving method thereof are provided. The driving system and method are capable of increasing power factor, adjusting waveform of the DC ripple voltage for increasing driving efficiency. The driving system is basically constructed by connecting three circuits. The first circuit is a three-phase full wave rectifying circuit and is used to transfer commercial electricity to a first DC voltage. Then, the second circuit is used to transfer the first DC voltage to a second DC voltage that ripples voltage thereof having a semi-sinusoidal waveform. The third circuit is an AC driving circuit, and receives the second AC voltage for driving the AC motor. Thereby, the driving efficiency can be increased. The capacitance used in the present disclosure has low capacitance value, thus the power factor can be increased, and usage time of the AC motor driving apparatus can also be increased.
Abstract translation: 提供交流电动机驱动系统及其驱动方法。 驱动系统和方法能够提高功率因数，调整直流纹波电压的波形，提高驱动效率。 驱动系统基本上通过连接三个电路构成。 第一电路是三相全波整流电路，用于将商用电力转移到第一直流电压。 然后，第二电路用于将第一直流电压传送到具有半正弦波形的波纹电压的第二直流电压。 第三电路是AC驱动电路，并且接收用于驱动AC电动机的第二AC电压。 由此，能够提高驱动效率。 本公开中使用的电容器具有低电容值，因此可以提高功率因数，并且还可以增加AC电动机驱动装置的使用时间。
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公开(公告)号：US09376214B2
公开(公告)日：2016-06-28
申请号：US14867152
申请日：2015-09-28
Applicant: Reebeez, Inc.
Inventor： Ankita Ghoshal
IPC: H01L35/00 , H01L35/12 , H01L35/28 , H01L35/30 , H01L35/32 , H02S10/30 , B64D27/24 , B64C39/02 , H02P31/00
CPC classification number: B64D27/24 , B60L8/003 , B64C39/024 , B64C2201/04 , B64C2201/042 , B64D2027/026 , H01L35/00 , H01L35/04 , H01L35/12 , H01L35/22 , H01L35/28 , H01L35/30 , H01L35/32 , H01L35/34 , H02P31/00 , H02P2201/07 , H02S10/30 , Y02T10/7083 , Y02T50/64
Abstract: This disclosure generally relates to a hybrid solid-state propulsion system for aerial vehicles. The hybrid propulsion system includes a combustor, a thermophotovoltaic generator, and a thermoelectric generator. The combustor burns a chemical based fuel to produce radiation and heat that are converted into electricity used to power the aerial vehicle. The thermophotovoltaic generator is positioned to receive radiation and remnant heat generated by flames in the combustor while the thermoelectric generator receives heat from exhausted flue gases from the combustor.
Abstract translation: 本公开一般涉及用于空中飞行器的混合固态推进系统。 混合推进系统包括燃烧器，热光伏发电机和热电发电机。 燃烧器燃烧基于化学物质的燃料以产生被转换成用于为飞行器运行的电力的辐射和热量。 热光电发生器被定位成接收由燃烧器中的火焰产生的辐射和残余热，同时热电发电机从来自燃烧器的排出的废气中接收热量。
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