公开(公告)号：US08295068B2

公开(公告)日：2012-10-23

申请号：US12698387

申请日：2010-02-02

申请人： Yen-Shin Lai ,  Bo-Yuan Chen

发明人： Yen-Shin Lai ,  Bo-Yuan Chen

IPC分类号： H02M3/24

CPC分类号： H02M3/335 ,  Y02B70/16

摘要： A phase shift full bridge power converting system and a control method has the phase shift full bridge power converting system with a power converter, a controller, a load state detecting module, a switching controller, a switch module, a command generating module, a comparator, and a modulator module. The load state detecting module interfaces with the power converter and the switching controller. The load state detects module detects load parameter data of the power converter and switches a state at an output by using the switching controller. The controller obtains an error value between an output voltage of the comparator and a command voltage and calculates a duty cycle parameter by using the error value. According to the duty cycle parameter, a pulse control signal is generated to be outputted to a drive module for controlling the driving of the power converter.

摘要翻译： 相移全桥电力转换系统和控制方法具有电力转换器，控制器，负载状态检测模块，开关控制器，开关模块，命令发生模块，比较器 ，以及调制器模块。 负载状态检测模块与功率转换器和开关控制器相连接。 负载状态检测模块检测功率转换器的负载参数数据，并使用开关控制器切换输出状态。 控制器获得比较器的输出电压和指令电压之间的误差值，并通过使用误差值计算占空比参数。 根据占空比参数，生成脉冲控制信号以输出到用于控制功率转换器的驱动的驱动模块。

公开(公告)号：US20120326647A1

公开(公告)日：2012-12-27

申请号：US13232086

申请日：2011-09-14

申请人： Wei-Hsu Chang ,  Pei-Cheng Huang ,  Hao-Yu Chang ,  Yen-Shin Lai ,  Kuo-Chung Lee ,  Jo-Yu Wang ,  Yu-Kuang Wu ,  Chih-Chang Chen ,  Shiue-Shr Jiang ,  Jen-Hung Chi

发明人： Wei-Hsu Chang ,  Pei-Cheng Huang ,  Hao-Yu Chang ,  Yen-Shin Lai ,  Kuo-Chung Lee ,  Jo-Yu Wang ,  Yu-Kuang Wu ,  Chih-Chang Chen ,  Shiue-Shr Jiang ,  Jen-Hung Chi

IPC分类号： H02P6/18

CPC分类号： H02P6/182

摘要： A zero-crossing detection circuit and a commutation device using the zero-crossing detection circuit are provided. The zero-crossing detection circuit is adapted into a three-phase brushless DC (direct current) motor with first to third coils. One terminal of each of the first to third coils is electrically coupled together with each other. The detection circuit comprises a first selection circuit, a second selection circuit and a comparator. The first selection circuit and the second selection circuit are both electrically coupled to another terminals of the first to third coils, to obtain first to third terminal voltages, and output one of the first to third terminal voltages according to a selection signal. The comparator is configured for comparing an output of the first selection circuit and an output of the second selection circuit, to output a comparing result.

摘要翻译： 提供过零检测电路和使用过零检测电路的换向装置。 过零检测电路适用于具有第一至第三线圈的三相无刷直流（直流）电动机。 第一至第三线圈中的每一个的一个端子彼此电耦合。 检测电路包括第一选择电路，第二选择电路和比较器。 第一选择电路和第二选择电路都电耦合到第一至第三线圈的另一个端子，以获得第一至第三端子电压，并根据选择信号输出第一至第三端子电压中的一个。 比较器被配置为比较第一选择电路的输出和第二选择电路的输出，以输出比较结果。

公开(公告)号：US08564992B2

公开(公告)日：2013-10-22

申请号：US12910318

申请日：2010-10-22

申请人： Fumikazu Takahashi ,  Masahiro Hamaogi ,  Yen-Shin Lai

发明人： Fumikazu Takahashi ,  Masahiro Hamaogi ,  Yen-Shin Lai

IPC分类号： G05F1/70

CPC分类号： H02M1/4225 ,  Y02B70/126

摘要： Proposed are a power factor correction device and its control method capable of obtaining a stable output as the output of a power supply unit while simplifying and miniaturizing the configuration. In the power factor correction device and the control method thereof including a coil and a switching element, and a control unit for controlling ON/OFF of the switching element, provided are an input voltage detection unit for detecting an input voltage of the power factor correction device, an output voltage detection unit for detecting an output voltage, and a coil current detection unit for detecting a coil current that is generated in the coil pursuant to the ON/OFF operation of the switching element. The control unit predicts an OFF time of the switching element of each switching cycle for controlling the switching element in a critical mode based on a voltage value of the input voltage detected with the input voltage detection unit, a voltage value of the output voltage detected with the output voltage detection unit, and a current value of the coil current detected with the coil current detection unit, and controls the ON/OFF of the switching element based on the prediction result.

摘要翻译： 提出的是功率因数校正装置及其控制方法，其能够在简化和小型化配置的同时获得稳定的输出作为电源单元的输出。 在功率因数校正装置及其包括线圈和开关元件的控制方法以及用于控制开关元件的导通/截止的控制单元中，提供了用于检测功率因数校正的输入电压的输入电压检测单元 装置，用于检测输出电压的输出电压检测单元，以及线圈电流检测单元，用于根据开关元件的接通/断开操作来检测线圈中产生的线圈电流。 控制单元基于用输入电压检测单元检测到的输入电压的电压值，预测用于将开关元件控制在临界模式中的开关元件的断开时间，用 输出电压检测单元和线圈电流检测单元检测到的线圈电流的电流值，并根据预测结果控制开关元件的接通/断开。

公开(公告)号：US08487571B2

公开(公告)日：2013-07-16

申请号：US13232086

申请日：2011-09-14

申请人： Wei-Hsu Chang ,  Pei-Cheng Huang ,  Hao-Yu Chang ,  Yen-Shin Lai ,  Kuo-Chung Lee ,  Jo-Yu Wang ,  Yu-Kuang Wu ,  Chih-Chang Chen ,  Shiue-Shr Jiang ,  Jen-Hung Chi

发明人： Wei-Hsu Chang ,  Pei-Cheng Huang ,  Hao-Yu Chang ,  Yen-Shin Lai ,  Kuo-Chung Lee ,  Jo-Yu Wang ,  Yu-Kuang Wu ,  Chih-Chang Chen ,  Shiue-Shr Jiang ,  Jen-Hung Chi

IPC分类号： H02P6/18

CPC分类号： H02P6/182

摘要： A zero-crossing detection circuit and a commutation device using the zero-crossing detection circuit are provided. The zero-crossing detection circuit is adapted into a three-phase brushless DC (direct current) motor with first to third coils. One terminal of each of the first to third coils is electrically coupled together with each other. The detection circuit comprises a first selection circuit, a second selection circuit and a comparator. The first selection circuit and the second selection circuit are both electrically coupled to another terminals of the first to third coils, to obtain first to third terminal voltages, and output one of the first to third terminal voltages according to a selection signal. The comparator is configured for comparing an output of the first selection circuit and an output of the second selection circuit, to output a comparing result.

摘要翻译： 提供过零检测电路和使用过零检测电路的换向装置。 过零检测电路适用于具有第一至第三线圈的三相无刷直流（直流）电动机。 第一至第三线圈中的每一个的一个端子彼此电耦合。 检测电路包括第一选择电路，第二选择电路和比较器。 第一选择电路和第二选择电路都电耦合到第一至第三线圈的另一个端子，以获得第一至第三端子电压，并根据选择信号输出第一至第三端子电压中的一个。 比较器被配置为比较第一选择电路的输出和第二选择电路的输出，以输出比较结果。

公开(公告)号：US20140177281A1

公开(公告)日：2014-06-26

申请号：US13831278

申请日：2013-03-14

申请人： Yen-Shin Lai ,  Yi-Jan Chang

发明人： Yen-Shin Lai ,  Yi-Jan Chang

IPC分类号： H02M3/335

CPC分类号： H02M3/3353 ,  H02M2001/327 ,  H02M2007/53878

摘要： A power converting system includes a full-bridge converter and a controlling unit. The full-bridge converter includes two switch elements at a first leg and two switch elements at a second leg. The controlling unit is in communication with the full-bridge converter for generating two leading control signals to control the first leg and two lagging control signals to control the second leg in a first modulation mode, or generating the two leading control signals to control the second leg and the two lagging control signals to control the first leg in a second modulation mode. The first modulation mode and the second modulation mode are alternately switched between each other, or randomly switched between each other or adaptively switched between each other according to a temperature difference between the first leg and the second leg.

摘要翻译： 电力转换系统包括全桥转换器和控制单元。 全桥转换器包括在第一支路处的两个开关元件和在第二支路处的两个开关元件。 控制单元与全桥转换器通信，用于产生两个前导控制信号以控制第一支路和两个滞后控制信号以在第一调制模式下控制第二支路，或者产生两个前导控制信号以控制第二支路 腿和两个滞后控制信号以在第二调制模式中控制第一腿。 第一调制模式和第二调制模式在彼此之间交替切换，或者根据第一支路和第二支路之间的温差，在彼此之间或彼此之间随机切换或彼此自适应地切换。

公开(公告)号：US08080986B2

公开(公告)日：2011-12-20

申请号：US12547563

申请日：2009-08-26

申请人： Yen-Shin Lai ,  Ye-Then Chang

发明人： Yen-Shin Lai ,  Ye-Then Chang

IPC分类号： G05F1/00

CPC分类号： H02M3/1588 ,  H02M2001/0009 ,  Y02B70/1466

摘要： A driving control device and method for power converting system includes power converting circuit and driving control device. The driving control device has an analog/digital convertor, a measuring device, and a control module. The driving control method is the analog/digital convertor receives a inductor current and the parameters of the inductor current from the measuring device, measures the slope parameter of the inductor current according the parameters from Equation 1 and Equation 2, then calculates a duty cycle parameter from the slope parameter of the inductor current and use the duty cycle parameter to generate pulse control signal to perform driving control.

摘要翻译： 一种用于电力转换系统的驱动控制装置和方法，包括电力转换电路和驱动控制装置。 驱动控制装置具有模拟/数字转换器，测量装置和控制模块。 驱动控制方法是模拟/数字转换器接收电感电流和测量装置的电感电流参数，根据公式1和公式2的参数测量电感电流的斜率参数，然后计算占空比参数 从电感电流的斜率参数，使用占空比参数产生脉冲控制信号进行驱动控制。

公开(公告)号：US08395336B2

公开(公告)日：2013-03-12

申请号：US12846345

申请日：2010-07-29

申请人： Yen-Shin Lai ,  Ping-Yi Lin

发明人： Yen-Shin Lai ,  Ping-Yi Lin

IPC分类号： H02P21/00

CPC分类号： H02P21/0089 ,  H02P21/09 ,  H02P21/18

摘要： A control system of a three phase induction motor driver and a field weakening control method. The control system includes a driver control module, a field weakening control module, an AC power source, a power loop module, a current sensing module, and an AC motor module. A switching period of an inverter PWM control is used for the AC motor and an inverter control thereof to analyze and obtain the difference value of the sum of effective switching times. The field weakening control module generates an adaptive magnetizing current command in real time to achieve a maximum utilization of a DC link voltage so as to let the AC motor module achieve maximum output torque under different field weakening regions of different speeds when a rated speed is exceeded.

摘要翻译： 三相感应电机驱动器的控制系统和弱磁控制方法。 控制系统包括驱动器控制模块，弱磁控制模块，交流电源，功率回路模块，电流感测模块和交流电动机模块。 逆变器PWM控制的开关周期用于交流电动机，其逆变器控制分析并获得有效切换时间之和的差值。 励磁弱化控制模块实时生成自适应励磁电流命令，以实现直流母线电压的最大利用，从而使交流电动机模块在超过额定转速时在不同速度的不同弱磁区域实现最大输出转矩 。