-
1.发明授权公开(公告)号：US06828752B2
公开(公告)日：2004-12-07
申请号：US10606960
申请日：2003-06-27
IPC分类号： H02P534
CPC分类号： H02P6/10 , H02P29/50 , H02P2209/07
摘要： The present invention enables modulated wave signals having extremely small waveform distortion to be generated using a relatively simple circuit, and thereby it is possible to hold down vibrations and noise of a motor, which are attributable to torque ripples. In order to remove defects of the conventional techniques, the circuit generates a plurality of trapezoidal wave signals having at least two constant levels based on position sensing signals of magnetic pole of a motor, generates quasi-sinusoidal wave signals at a quasi-sinusoidal wave modulator based on the plurality of trapezoidal wave signals, and compares the quasi-sinusoidal wave signals with a carrier wave so as to perform PWM control of an inverter.
摘要翻译： 本发明使得能够使用相对简单的电路产生具有极小波形失真的调制波信号，从而可以抑制归因于转矩波动的电动机的振动和噪声。 为了消除常规技术的缺陷，电路基于电机的磁极的位置感测信号产生具有至少两个恒定电平的多个梯形波信号，在准正弦波调制器处产生准正弦波信号 基于多个梯形波信号，并且将准正弦波信号与载波进行比较，以便执行逆变器的PWM控制。
-
2.发明申请Control apparatus, dual chip inverter and single chip inverter of AC motors 审中-公开交流电机控制装置，双片逆变器和单片机逆变器公开(公告)号：US20070285044A1
公开(公告)日：2007-12-13
申请号：US11783789
申请日：2007-04-12
IPC分类号： H02P27/04
摘要： A control apparatus and a semiconductor apparatus of AC motors capable of reducing torque ripple with a comparatively simple circuit corresponding to a high withstand voltage and capable of driving a motor at high efficiency even when the rotational speed or load has changed. The control apparatus detects first phase signals fixed in relative phase to induced voltages of the motor and current polarity signals, recognizes phase differences between them, generates second phase signals so as to make the phase differences approach zero to drive the motor at high efficiency, generates modulation wave signals having quasi-sinusoidal waveforms or trapezoidal waveforms on the basis of the second phase signals, compares the modulation wave signals with a carrier wave signal, and conducts PWM control on an inverter.
摘要翻译： 一种AC电动机的控制装置和半导体装置，其能够以对应于高耐受电压的比较简单的电路来减小转矩脉动，并且即使当转速或负载已经改变时也能够以高效率驱动电动机。 控制装置检测相对于电动机的感应电压和电流极性信号相对固定的第一相位信号，识别它们之间的相位差，产生第二相位信号，以使相位接近零，以高效率驱动电动机，产生 基于第二相位信号具有准正弦波形或梯形波形的调制波信号将调制波信号与载波信号进行比较，并对逆变器进行PWM控制。
-
3.发明申请Control apparatus, dual chip inverter and single chip inverter of AC motors 有权交流电机控制装置，双片逆变器和单片机逆变器公开(公告)号：US20050201129A1
公开(公告)日：2005-09-15
申请号：US11057615
申请日：2005-02-15
摘要： A control apparatus and a semiconductor apparatus of AC motors capable of reducing torque ripple with a comparatively simple circuit corresponding to a high withstand voltage and capable of driving a motor at high efficiency even when the rotational speed or load has changed. The control apparatus detects first phase signals fixed in relative phase to induced voltages of the motor and current polarity signals, recognizes phase differences between them, generates second phase signals so as to make the phase differences approach zero to drive the motor at high efficiency, generates modulation wave signals having quasi-sinusoidal waveforms or trapezoidal waveforms on the basis of the second phase signals, compares the modulation wave signals with a carrier wave signal, and conducts PWM control on an inverter.
摘要翻译： 一种AC电动机的控制装置和半导体装置，其能够以对应于高耐受电压的比较简单的电路来减小转矩脉动，并且即使当转速或负载已经改变时也能够以高效率驱动电动机。 控制装置检测相对于电动机的感应电压和电流极性信号相对固定的第一相位信号，识别它们之间的相位差，产生第二相位信号，以使相位接近零，以高效率驱动电动机，产生 基于第二相位信号具有准正弦波形或梯形波形的调制波信号将调制波信号与载波信号进行比较，并对逆变器进行PWM控制。
-
公开(公告)号：US07224133B2
公开(公告)日：2007-05-29
申请号：US11057615
申请日：2005-02-15
IPC分类号： H02P6/10
摘要： A control apparatus and a semiconductor apparatus of AC motors capable of reducing torque ripple with a comparatively simple circuit corresponding to a high withstand voltage and capable of driving a motor at high efficiency even when the rotational speed or load has changed. The control apparatus detects first phase signals fixed in relative phase to induced voltages of the motor and current polarity signals, recognizes phase differences between them, generates second phase signals so as to make the phase differences approach zero to drive the motor at high efficiency, generates modulation wave signals having quasi-sinusoidal waveforms or trapezoidal waveforms on the basis of the second phase signals, compares the modulation wave signals with a carrier wave signal, and conducts PWM control on an inverter.
-
公开(公告)号：US4726738A
公开(公告)日：1988-02-23
申请号：US817670
申请日：1986-01-10
申请人： Yozo Nakamura , Naoyuki Tanaka , Shigeru Machida , Akira Arai , Yoshihisa Uneyama , Kazuo Ikeda , Akihiko Ishiyama , Takeoshi Katoh , Tunehiro Endo , Hiroaki Hata
发明人： Yozo Nakamura , Naoyuki Tanaka , Shigeru Machida , Akira Arai , Yoshihisa Uneyama , Kazuo Ikeda , Akihiko Ishiyama , Takeoshi Katoh , Tunehiro Endo , Hiroaki Hata
CPC分类号： F04C18/3564 , F04B49/065 , F04B49/20 , F04C2270/80
摘要： A motor-driven compressor used as a compressor or high-pressure gas generator for a refrigerating cycle, in which the output torque of the electric motor for driving the compressor is controlled so as to make the output torque agree with the load torque required for performing compression in any revolutional angular position of the driving main shaft to thereby reduce revolutional torsional vibrations caused by disagreement between the load torque and the output torque.
摘要翻译： 用作用于制冷循环的压缩机或高压气体发生器的电动压缩机，其中控制用于驱动压缩机的电动机的输出转矩，以使输出转矩与执行所需的负载转矩一致 在驱动主轴的任意旋转角位置压缩，从而减小由负载转矩和输出转矩之间的不一致引起的旋转扭转振动。
-
公开(公告)号：US4879502A
公开(公告)日：1989-11-07
申请号：US192357
申请日：1988-05-10
申请人： Tunehiro Endo , Nobuaki Kato , Kenichi Iizuka , Fumio Tajima
发明人： Tunehiro Endo , Nobuaki Kato , Kenichi Iizuka , Fumio Tajima
摘要： In speed control apparatus and method for a motor operable to drive a load whose magnitude varies over a predetermined period which use a unit for controlling voltage or current supplied to the motor such that the speed of the motor can coincide with a command speed, n pieces of data indicative of voltages or currents supplied to the motor and corresponding to n divisions of the predetermined period are independently stored in a read/write storage, at least one of the n pieces of data is corrected at the rate of each of the n divisions in accordance with a difference between the command speed and the speed of the motor, and the voltage or current supplied to the motor is controlled in accordance with at least the one of the n pieces of data, so that pulsation and noise occurring especially under low revolutions can be minimized.
摘要翻译： 在用于电动机的速度控制装置和方法中，该电动机可操作以驱动其大小在预定时段内变化的负载，该预定时段使用用于控制供给电动机的电压或电流的单元，使得电动机的速度与指令速度一致，n个 指示提供给电动机并且对应于预定周期的n个分区的电压或电流的数据被独立地存储在读/写存储器中，n个数据中的至少一个以n个分区中的每一个的速率被校正 根据指令速度与电动机的速度的差异，根据n个数据中的至少一个来控制提供给电动机的电压或电流，使得特别是在低电平下发生的脉动和噪声 可以减少转数。
-
7.发明授权Magnetron comprising ferromagnetic material members axially magnetized in opposite directions 失效包含以非对称方向磁化的纤维材料成员的磁铁
公开(公告)号：US4166235A
公开(公告)日：1979-08-28
申请号：US841915
申请日：1977-10-13
申请人： Seizi Yamashita , Tunehiro Endo , Yoshio Ishida
发明人： Seizi Yamashita , Tunehiro Endo , Yoshio Ishida
摘要： A magnetron comprising a cathode, an anode cylinder having a plurality of vanes disposed around the cathode for defining an interaction space between the cathode and the vanes, and a pair of permanent magnets disposed opposite to each other for producing a magnetic field in the interaction space. One of the permanent magnets is annular in shape, and this annular magnet is magnetized relative to the other magnet so that their same poles confront each other thereby reducing the size of the magnetron.
-
公开(公告)号：US5381584A
公开(公告)日：1995-01-17
申请号：US145729
申请日：1993-11-04
申请人： Fumio Jyoraku , Hisao Suka , Yoshitaro Ishii , Hisanori Toyoshima , Mitsuhisa Kawamata , Haruo Koharagi , Kazuo Tahara , Tunehiro Endo , Kunio Miyashita , Toshiyuki Ajima , Takeshi Abe , Atusi Hosokawa
发明人： Fumio Jyoraku , Hisao Suka , Yoshitaro Ishii , Hisanori Toyoshima , Mitsuhisa Kawamata , Haruo Koharagi , Kazuo Tahara , Tunehiro Endo , Kunio Miyashita , Toshiyuki Ajima , Takeshi Abe , Atusi Hosokawa
IPC分类号： A47L9/28
CPC分类号： A47L9/2842 , A47L9/2821 , A47L9/2831 , A47L9/2889 , A47L9/2894
摘要： A controlling apparatus controls a suction performance of a blower motor which is installed into a cleaner main body. The controlling apparatus increases the suction performance when a suction nozzle is operated and decreases the suction performance when the suction nozzle is stopped. Corresponding to a floor use suction nozzle and a crevice use suction nozzle, at a predetermined air flow amount range, the most suitable operation control being suited to a discriminated suction nozzle can carried out automatically. Plural kinds of the suction nozzles at an actual use scope are set beforehand. When the suction nozzle is exchanged the flow amount range is changed over and selected with a respective suction nozzle. Plural kinds of the suction nozzles are selected and changed over automatically according to the dimension of a change amount of an operation condition. A brushless direct motor is used as the blower motor and has a domain being operated at a chopper control duty of factor 100%.
摘要翻译： 控制装置控制安装在吸尘器主体中的鼓风电动机的吸入性能。 当吸嘴被操作时，控制装置增加吸入性能，并且当吸嘴停止时降低吸入性能。 对应于地板用吸嘴和缝隙使用吸嘴，在预定的空气流量范围内，自动执行适合于被鉴别的吸嘴的最合适的操作控制。 预先设定实际使用范围内的多种吸嘴。 当更换吸嘴时，用相应的吸嘴改变流量范围并进行选择。 根据操作条件的变化量的尺寸自动选择和改变多种吸嘴。 使用无刷直接电动机作为鼓风机电动机，并且具有以因子100％的斩波控制占空比操作的域。
-
公开(公告)号：US4958406A
公开(公告)日：1990-09-25
申请号：US284382
申请日：1988-12-14
申请人： Hisanori Toyoshima , Fumio Jyoraku , Yoshitaro Ishii , Kazuo Tahara , Haruo Koharagi , Syuji Watanabe , Kouichi Saito , Kunio Miyashita , Tunehiro Endo , Wakichiro Hishi
发明人： Hisanori Toyoshima , Fumio Jyoraku , Yoshitaro Ishii , Kazuo Tahara , Haruo Koharagi , Syuji Watanabe , Kouichi Saito , Kunio Miyashita , Tunehiro Endo , Wakichiro Hishi
IPC分类号： A47L9/28
CPC分类号： A47L9/2889 , A47L9/2821 , A47L9/2826 , A47L9/2831 , A47L9/2842 , A47L9/2894 , Y02B40/82
摘要： In a vacuum cleaner comprising an electric blower and a speed control unit to operate the electric blower at a variable speed, a plurality of kinds of operation control rules of the electric blower are previously stored in the speed control unit, a load current value of the electric blower is continuously detected during the cleaning and the type of the surface to be cleaned is estimated from the load current value. Thereafter, the operation control rule suitable for the estimated cleaning surface is selected from the operation control rules stored in the speed control unit and the electric blower is driven on the basis of the selected operation control rule.
-
10.发明授权Current controller for controlling a current flowing in a load using a PWM inverter and method used thereby 失效使用PWM逆变器控制在负载中流动的电流的电流控制器及其使用的方法
公开(公告)号：US5463299A
公开(公告)日：1995-10-31
申请号：US119482
申请日：1993-09-13
申请人： Motoo Futami , Tunehiro Endo , Yasuo Notohara , Tooru Kitayama
发明人： Motoo Futami , Tunehiro Endo , Yasuo Notohara , Tooru Kitayama
摘要： A current controller has provided therein assumed response generating means and load model means so as to realize repetitive type control with no influence of control delay against a periodically repetitive current response. This current controller is applied to a 120-degree current flow type motor using a pulse width modulation inverter, so that the DC current control including the process of response to the rise of the current can be realized only by a microcomputer.
摘要翻译： 电流控制器在其中提供了假定的响应产生装置和负载模型装置，以便实现不受周期性重复电流响应的控制延迟的影响的重复类型控制。 该电流控制器使用脉冲宽度调制逆变器应用于120度电流流动型电动机，使得仅通过微型计算机才能实现包括对电流上升的响应的直流电流控制。
-
-
-
-
-
-
-
-
-
搜索结果
13 条记录 (耗时 0.03 秒)
