CN1247319A - 产生用于磁共振成象线圈的连续任意波形的开关放大器 - Google Patents

产生用于磁共振成象线圈的连续任意波形的开关放大器 Download PDF

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Publication number
CN1247319A
CN1247319A CN99118609A CN99118609A CN1247319A CN 1247319 A CN1247319 A CN 1247319A CN 99118609 A CN99118609 A CN 99118609A CN 99118609 A CN99118609 A CN 99118609A CN 1247319 A CN1247319 A CN 1247319A
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CN
China
Prior art keywords
voltage
switching
switching amplifier
input
buck regulator
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Pending
Application number
CN99118609A
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English (en)
Chinese (zh)
Inventor
R·L·斯特格瓦德
W·F·沃思
L·D·斯特瓦诺维克
J·N·帕克
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General Electric Co
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General Electric Co
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Publication of CN1247319A publication Critical patent/CN1247319A/zh
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    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03F—AMPLIFIERS
    • H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
    • H03F3/20—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers
    • H03F3/21—Power amplifiers, e.g. Class B amplifiers, Class C amplifiers with semiconductor devices only
    • H03F3/217—Class D power amplifiers; Switching amplifiers
    • H03F3/2171—Class D power amplifiers; Switching amplifiers with field-effect devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R33/00—Arrangements or instruments for measuring magnetic variables
    • G01R33/20—Arrangements or instruments for measuring magnetic variables involving magnetic resonance
    • G01R33/28—Details of apparatus provided for in groups G01R33/44 - G01R33/64
    • G01R33/38—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field
    • G01R33/385—Systems for generation, homogenisation or stabilisation of the main or gradient magnetic field using gradient magnetic field coils
    • G01R33/3852—Gradient amplifiers; means for controlling the application of a gradient magnetic field to the sample, e.g. a gradient signal synthesizer

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
  • Inverter Devices (AREA)
CN99118609A 1998-09-04 1999-09-03 产生用于磁共振成象线圈的连续任意波形的开关放大器 Pending CN1247319A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/148559 1998-09-04
US09/148,559 US6031746A (en) 1998-09-04 1998-09-04 Switching amplifier for generating continuous arbitrary waveforms for magnetic resonance imaging coils

Publications (1)

Publication Number Publication Date
CN1247319A true CN1247319A (zh) 2000-03-15

Family

ID=22526290

Family Applications (1)

Application Number Title Priority Date Filing Date
CN99118609A Pending CN1247319A (zh) 1998-09-04 1999-09-03 产生用于磁共振成象线圈的连续任意波形的开关放大器

Country Status (6)

Country Link
US (1) US6031746A (https=)
EP (1) EP0987818B1 (https=)
JP (1) JP4362176B2 (https=)
KR (1) KR20000022900A (https=)
CN (1) CN1247319A (https=)
DE (1) DE69913454T2 (https=)

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CN101394169A (zh) * 2007-09-20 2009-03-25 通用电气公司 开关电路装置和方法
CN1735814B (zh) * 2003-01-07 2010-06-16 皇家飞利浦电子股份有限公司 用于具有多个发送通道的mr设备的高频系统及其中的mr设备
CN102266224A (zh) * 2010-06-07 2011-12-07 株式会社东芝 磁共振成像装置
CN102508183A (zh) * 2011-11-11 2012-06-20 辽宁开普医疗系统有限公司 一种负载自适应控制的数字可变频pwm梯度放大器
CN102947720A (zh) * 2010-06-17 2013-02-27 皇家飞利浦电子股份有限公司 梯度线圈电源和磁共振成像系统
CN103176150A (zh) * 2011-12-21 2013-06-26 通用电气公司 梯度放大器系统及其控制方法
CN104142483A (zh) * 2013-05-07 2014-11-12 辽宁开普医疗系统有限公司 一种高压大电流小纹波梯度放大器
CN104518664A (zh) * 2013-09-29 2015-04-15 西门子(深圳)磁共振有限公司 一种磁共振成像系统及其线圈控制装置
CN105471393A (zh) * 2014-09-12 2016-04-06 通用电气公司 以零电压开关及热平衡控制算法运作的开关放大器
CN105703726A (zh) * 2014-11-28 2016-06-22 Ge医疗系统环球技术有限公司 功率放大器、电源装置和磁共振成像设备
CN105703631A (zh) * 2014-11-25 2016-06-22 上海联影医疗科技有限公司 梯度放大器功率单元、梯度放大器及磁共振成像系统
CN107533118A (zh) * 2015-04-13 2018-01-02 海珀菲纳研究股份有限公司 磁线圈供电方法和装置
CN108173417A (zh) * 2018-01-11 2018-06-15 台达电子企业管理（上海）有限公司 梯度电源驱动级电路、梯度电源系统及其控制方法

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US6930483B2 (en) * 2003-08-01 2005-08-16 General Electric Company Method/system for switched frequency ripple reduction in MRI gradient coils
US7116166B2 (en) * 2004-06-15 2006-10-03 General Electric Company High fidelity, high power switched amplifier
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US7336059B2 (en) * 2005-11-15 2008-02-26 General Electric Company System and method for charging and discharging a superconducting coil
EP2108218A1 (en) * 2007-02-01 2009-10-14 JM Electronics Ltd. Llc Sampling frequency reduction for switching amplifiers
EP2234237A1 (en) * 2009-03-26 2010-09-29 ABB Research Ltd. Method for controlling single-phase DC/AC converters and converter arrangement
EP2234263A1 (en) * 2009-03-27 2010-09-29 Koninklijke Philips Electronics N.V. A power supply, method, and computer program product for supplying electrical power to a load
US20120020126A1 (en) * 2009-04-03 2012-01-26 Komatsu Ltd. Control device of transformer coupling type booster
CN102263542B (zh) 2010-05-31 2015-11-25 Ge医疗系统环球技术有限公司 移相器及其功率放大器和核磁共振成像设备
JP5731328B2 (ja) * 2011-08-30 2015-06-10 ジーイー・メディカル・システムズ・グローバル・テクノロジー・カンパニー・エルエルシー インバータ装置およびｍｒ装置
US10024937B2 (en) 2011-09-27 2018-07-17 Koninklijke Philips N.V. Gradient amplifier with compensation for dead time and forward voltage
CN104170224A (zh) * 2012-03-12 2014-11-26 皇家飞利浦有限公司 用于为mri梯度线圈供电的电源转换器以及操作电源转换器的方法
RU2626026C2 (ru) * 2012-07-25 2017-07-21 Конинклейке Филипс Н.В. Градиентный усилитель mri, работающий при различных скоростях нарастания
US9344042B2 (en) * 2013-02-27 2016-05-17 Hengchun Mao High efficiency power amplifiers with advanced power solutions
US10270439B2 (en) * 2013-02-27 2019-04-23 Hengchun Mao High efficiency resonant power converters and resonant gate drivers
CN103414362B (zh) * 2013-08-23 2015-12-09 东南大学 一种基于通用电压控制策略的可编程电压波形发生设备
EP2910965A1 (en) * 2014-02-19 2015-08-26 Albert-Ludwigs-Universität Freiburg Multi-channel switching system for MRI matrix gradient coils
DE102014118040B4 (de) * 2014-12-05 2017-08-24 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Regelschaltung für eine Basisstation zum Übertragen einer Energie auf einen Empfänger mittels eines elektrischen Schwingkreises, Auswerteeinrichtung, Verfahren und Computerprogramm
US9807863B1 (en) * 2016-06-09 2017-10-31 Advanced Energy Industries, Inc. Switching amplifier
USD876628S1 (en) 2016-07-20 2020-02-25 Nyxoah S.A. Medical implant
USD988519S1 (en) 2016-09-12 2023-06-06 Nyxoah S.A. Patch
US11707623B2 (en) 2017-02-28 2023-07-25 Nyxoah S.A. Surgical implant system
NL2022222B1 (en) * 2018-12-17 2020-07-03 Prodrive Tech Bv Voltage waveform generator for plasma processing apparatuses
EP3878002B1 (en) * 2018-11-09 2023-06-07 Prodrive Technologies Innovation Services B.V. Voltage waveform generator for plasma processing apparatuses
NL2022999B1 (en) * 2019-04-24 2020-11-02 Prodrive Tech Bv Voltage waveform generator for plasma processing apparatuses
US12047042B2 (en) * 2021-11-30 2024-07-23 Silicon Laboratories Inc. Switching power amplifier with output harmonic suppression
WO2024089751A1 (ja) * 2022-10-25 2024-05-02 三菱電機株式会社 高電圧パルス電源装置、ガスレーザ発振器及びレーザ加工機
WO2024118563A1 (en) * 2022-11-30 2024-06-06 Corning Incorporated Driver circuit, optical system using the driver circuit, and method to control optical device

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CN1735814B (zh) * 2003-01-07 2010-06-16 皇家飞利浦电子股份有限公司 用于具有多个发送通道的mr设备的高频系统及其中的mr设备
CN101394169B (zh) * 2007-09-20 2014-06-11 通用电气公司 开关电路装置和方法
CN101394169A (zh) * 2007-09-20 2009-03-25 通用电气公司 开关电路装置和方法
CN102266224A (zh) * 2010-06-07 2011-12-07 株式会社东芝 磁共振成像装置
US9332925B2 (en) 2010-06-07 2016-05-10 Toshiba Medical Systems Corporation Magnetic resonance imaging apparatus having continuous readout gradient with gradient slew rate changed
CN102947720A (zh) * 2010-06-17 2013-02-27 皇家飞利浦电子股份有限公司 梯度线圈电源和磁共振成像系统
CN102947720B (zh) * 2010-06-17 2015-07-08 皇家飞利浦电子股份有限公司 梯度线圈电源和磁共振成像系统
CN102508183B (zh) * 2011-11-11 2013-09-11 辽宁开普医疗系统有限公司 一种负载自适应控制的数字可变频pwm梯度放大器
CN102508183A (zh) * 2011-11-11 2012-06-20 辽宁开普医疗系统有限公司 一种负载自适应控制的数字可变频pwm梯度放大器
US9551767B2 (en) 2011-12-21 2017-01-24 General Electric Company System and method to reduce power loss in a gradient amplifier
CN103176150B (zh) * 2011-12-21 2015-08-26 通用电气公司 梯度放大器系统及其控制方法
CN103176150A (zh) * 2011-12-21 2013-06-26 通用电气公司 梯度放大器系统及其控制方法
CN104142483A (zh) * 2013-05-07 2014-11-12 辽宁开普医疗系统有限公司 一种高压大电流小纹波梯度放大器
CN104518664A (zh) * 2013-09-29 2015-04-15 西门子(深圳)磁共振有限公司 一种磁共振成像系统及其线圈控制装置
CN104518664B (zh) * 2013-09-29 2017-10-03 西门子(深圳)磁共振有限公司 一种磁共振成像系统及其线圈控制装置
CN105471393B (zh) * 2014-09-12 2018-12-18 通用电气公司 以零电压开关及热平衡控制算法运作的开关放大器
US10135401B2 (en) 2014-09-12 2018-11-20 General Electric Company Switching amplifier with zero voltage switching and balanced thermal control algorithm
CN105471393A (zh) * 2014-09-12 2016-04-06 通用电气公司 以零电压开关及热平衡控制算法运作的开关放大器
CN105703631A (zh) * 2014-11-25 2016-06-22 上海联影医疗科技有限公司 梯度放大器功率单元、梯度放大器及磁共振成像系统
CN105703631B (zh) * 2014-11-25 2018-12-25 上海联影医疗科技有限公司 梯度放大器功率单元、梯度放大器及磁共振成像系统
CN105703726B (zh) * 2014-11-28 2021-04-20 Ge医疗系统环球技术有限公司 功率放大器、电源装置和磁共振成像设备
CN105703726A (zh) * 2014-11-28 2016-06-22 Ge医疗系统环球技术有限公司 功率放大器、电源装置和磁共振成像设备
CN107533118A (zh) * 2015-04-13 2018-01-02 海珀菲纳研究股份有限公司 磁线圈供电方法和装置
US10989776B2 (en) 2015-04-13 2021-04-27 Hyperfine Research, Inc. Magnetic coil power methods and apparatus
CN107533118B (zh) * 2015-04-13 2021-05-14 海珀菲纳研究股份有限公司 磁线圈供电方法和装置
US11041922B2 (en) 2015-04-13 2021-06-22 Hyperfine Research, Inc. Magnetic coil power methods and apparatus
CN108173417A (zh) * 2018-01-11 2018-06-15 台达电子企业管理（上海）有限公司 梯度电源驱动级电路、梯度电源系统及其控制方法
JP2019122765A (ja) * 2018-01-11 2019-07-25 台達電子企業管理（上海）有限公司 勾配電源ドライバー段回路、勾配電源システム及びその制御方法
US10753993B2 (en) 2018-01-11 2020-08-25 Delta Electronics (Shanghai) Co., Ltd Gradient amplifier driver stage circuit, gradient amplifier system and control method thereof

Also Published As

Publication number Publication date
KR20000022900A (ko) 2000-04-25
EP0987818B1 (en) 2003-12-10
DE69913454T2 (de) 2004-10-07
EP0987818A3 (en) 2002-03-20
US6031746A (en) 2000-02-29
EP0987818A2 (en) 2000-03-22
DE69913454D1 (de) 2004-01-22
JP4362176B2 (ja) 2009-11-11
JP2000092856A (ja) 2000-03-31

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