会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 13. 发明授权
    • Frequency detection device
    • 频率检测装置
    • US09297842B2
    • 2016-03-29
    • US12863005
    • 2008-11-30
    • Fujio Kurokawa
    • Fujio Kurokawa
    • G01R23/15H03L7/02H02M3/156
    • G01R23/15H02M3/156H03L7/02
    • Disclosed are a device and a method for comparing a detected frequency signal (first frequency signal) and a second frequency signal which is obtained by delaying the detected frequency, to determine whether the frequency transitioned to a predetermined area on high frequency side or reached a predetermined value on the upward direction side. The frequency detection device (1) comprises: a delayed signal output circuit (11) that outputs a second frequency signal (F2) obtained by delaying the first frequency signal (F1), which has a frequency that changes over time, by a set period (Δi); and a determination circuit (12), which inputs the first frequency signal (F1) and the second frequency signal (F2), determines whether or not the cycle of the first frequency signal (F1) is included in the cycle of the second frequency signal (F2) and/or whether or not the cycle of the second frequency signal (F2) is included in the cycle of the first frequency signal (F1), and outputs a determination signal.
    • 公开了一种用于比较检测频率信号(第一频率信号)和通过延迟检测频率而获得的第二频率信号的装置和方法,以确定频率是否转变到高频侧的预定区域或达到预定的 值向上方。 频率检测装置(1)包括:延迟信号输出电路(11),其输出通过将具有随时间变化的频率的第一频率信号(F1)延迟设定周期而获得的第二频率信号(F2) (&Dgr; i); 以及输入第一频率信号(F1)和第二频率信号(F2)的确定电路(12),确定第一频率信号(F1)的周期是否包括在第二频率信号 (F2)和/或第二频率信号(F2)的周期是否包括在第一频率信号(F1)的周期中,并输出确定信号。
    • 14. 发明申请
    • CONTROL APPARATUS OF POWER INVERTER CIRCUIT
    • 电力逆变器电路控制装置
    • US20130094259A1
    • 2013-04-18
    • US13638545
    • 2011-03-31
    • Fujio Kurokawa
    • Fujio Kurokawa
    • H02M7/44
    • H02M7/44H02M1/08H02M3/157
    • It provides the effective power conversion control technique which it can control which it made use of a characteristic (nature) of each A/D converter in. It comprises the third control part including the third operating circuit it inputs signal from third A/D converter inputting the detecting signal which is different from the detecting signal which is the same as the detecting signal or the detecting signal and above third A/D converter, and to generate the third operating signal, and the above actuating management circuit manages the actuating of an above first control part and the second above control part and the third above control part.
    • 它提供了可以控制的有效功率转换控制技术,它利用了每个A / D转换器的特性(性质),它包括第三个控制部分,包括第三个操作电路,它从第三个A / D转换器输入信号 输入与检测信号或检测信号相同的检测信号和上述第三A / D转换器的检测信号,并产生第三操作信号,并且上述致动管理电路管理 上述第一控制部分和第二上述控制部分和第三上述控制部分。
    • 17. 发明申请
    • Signal Comparison Circuit and Power Conversion Device
    • 信号比较电路和电源转换装置
    • US20090219055A1
    • 2009-09-03
    • US12224225
    • 2007-02-21
    • Fujio Kurokawa
    • Fujio Kurokawa
    • H03D13/00
    • H02M3/157
    • The voltage deviation is converted into the time quantity with the first integration circuit for the voltage detection and the second integration circuit for the voltage detection. The current setting value and the current measurements are converted into the time quantity with the second integration circuit for the current control to which the first integration circuit for the current control from which the voltage value of the set current value corresponding is input and the voltage value of the value of the current of the inductor corresponding are input and it controls. And, the start of the first integration circuit for the current control is delayed with operation quantity signal generation circuit only at the time that the high-resolution evaluation or more than the start of the first integration circuit for the current control and corresponds to the voltage deviation.
    • 用电压检测用的第一积分电路和用于电压检测的第二积分电路将电压偏差转换成时间量。 将当前设定值和电流测量值转换为用于电流控制的第二积分电路的时间量,对于电流控制的第一积分电路,输入对应的设定电流值的电压值和电压值 的电感对应的电流值被输入并控制。 而且,只有在电流控制的高分辨率评估或多于开始的第一积分电路的时候,用于电流控制的第一积分电路的启动被延迟了操作量信号产生电路,并且对应于电压 偏差。
    • 18. 发明授权
    • Control circuit and control method for inhibit overshoot and undershoot in power conversion device
    • 电力转换装置抑制过冲和下冲的控制电路及控制方法
    • US09389627B2
    • 2016-07-12
    • US13576379
    • 2011-01-31
    • Fujio KurokawaHiroyuki Osuga
    • Fujio KurokawaHiroyuki Osuga
    • G05F1/00G05F1/618H02M3/156
    • G05F1/618H02M3/156H02M2003/1566
    • By adding a suppression amount for suppressing an overshoot or undershoot that attenuates with time during an overshoot or undershoot period, the overshoot or undershoot can be suppressed within a short time and the output can be made close to a normal value. When an output has overshot, an overshoot suppression amount including a time-dependent attenuation suppression amount is added to an output feedback control amount, the time-dependent attenuation suppression amount being defined in a period during which the output overshoots. Alternatively, when the output has undershot, an undershoot suppression amount including a time-dependent attenuation suppression amount is added to the output feedback control amount, the time-dependent attenuation suppression amount being defined in a period during which the output undershoots.
    • 通过在过冲或下冲周期期间添加用于抑制随时间衰减的过冲或下冲的抑制量,可以在短时间内抑制过冲或下冲,并且可以使输出接近正常值。 当输出过冲时,将包括时间依赖衰减抑制量的过冲抑制量加到输出反馈控制量上,该时间依赖衰减抑制量在输出过冲期间定义。 或者,当输出不足时,包括时间依赖衰减抑制量的下冲抑制量被添加到输出反馈控制量,该时间依赖衰减抑制量被定义在输出下冲的期间。
    • 19. 发明授权
    • Predictive control system
    • 预测控制系统
    • US08598858B2
    • 2013-12-03
    • US12598016
    • 2008-04-30
    • Fujio Kurokawa
    • Fujio Kurokawa
    • G05F1/575
    • H02M3/157H02M3/33515H02M2001/0009H02M2001/0012
    • The first sampling measurement value compares whether to exceed a prescribed threshold and judges the control part at the sampling time. The control part compares whether the first sampling measurement value exceeds a prescribed threshold. When the actual measurement value doesn't exceed a prescribed threshold, the control part predict the first sampling value at the next sampling time. [1] When the first sampling the predicting value doesn't exceed the threshold value, the status of the switch is maintained, [2] When the first sampling the predicting value exceeds the threshold value, the time when the movement of the switch should be changed is calculated and the status of the switch is changed at time concerned.
    • 第一采样测量值比较是否超过规定的阈值,并在采样时间判断控制部分。 控制部分比较第一采样测量值是否超过规定的阈值。 当实际测量值不超过规定阈值时,控制部分在下一个采样时间预测第一采样值。 [1]当第一次采样预测值不超过阈值时,保持开关状态,[2]当第一次采样预测值超过阈值时,开关的移动时间应为 计算出更改,交换机的状态在有关时间内发生变化。
    • 20. 发明授权
    • Signal generation circuit, electric power conversion control circuit and LSI for electric power conversion control
    • 信号发生电路,电力转换控制电路和电力转换控制用LSI
    • US08085023B2
    • 2011-12-27
    • US12224204
    • 2007-02-21
    • Fujio Kurokawa
    • Fujio Kurokawa
    • G05F1/575
    • H02M3/157
    • The control accuracy equal with the case controlled according to a reference signal with a high clock frequency when the electric power is converted is obtained according to a reference signal with a low clock frequency. The quantity of signal S3 of the time that corresponds to the difference of EO in the output voltage to reference voltage EREF by circuit 12 of the generation of quantity of signal of time is generated synchronizing with reference timing signal S1. The phase generates the class of the phase-shift signal of n piece for which only [Cycle of S0/]/n is late one by one by phase-shift signal generation circuit 13, counter circuit 14, and digital addition circuit 15, these numbers are counted respectively, and the count value of n piece is added. The control signal S5that corresponds to TON between when adding value ADD is input with decision circuit 16 of on time of the switch element and control signal generation circuit 17 and it turns it on is generated.
    • 根据具有低时钟频率的参考信号获得当电力转换时,根据具有高时钟频率的参考信号控制的控制精度的控制精度。 与参考定时信号S1同步地产生对应于由电路12产生的时间信号量的输出电压中的EO与参考电压EREF的差的时间的信号量S3。 该相位产生相移信号产生电路13,计数器电路14和数字加法电路15只有[S0 /] / n的周期逐渐迟到的n段的相移信号的类别,这些 分别计数,并添加n片的计数值。 与添加值ADD相对应的控制信号S5与开关元件和控制信号生成电路17的导通时间的判定电路16一起输入,并且产生接通。