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公开(公告)号：KR1020050012421A
公开(公告)日：2005-02-02
申请号：KR1020030051384
申请日：2003-07-25
Applicant: 대한민국(전남대학교총장)
CPC classification number: Y02B70/1483
Abstract: PURPOSE: A random centered pulse width modulation method is provided to reduce switching noise of a power converting device by distributing discontinuous and intensive harmonic components of motor voltage into continuous components of wide band. CONSTITUTION: A random centered pulse width modulation method comprises a step(S10) of modulating a voltage command to two-phase vector components and obtaining a format of a pulse by arranging the vector components in terms of time; a step(S30) of center-aligning the two-phase pulse; a step(S50) of shifting the two-phase pulse in accordance with a random displacement; and a step(S60) of generating the random-displaced center-aligned two-phase pulse.
Abstract translation: 目的：提供一种随机居中的脉宽调制方法，通过将电机电压的不连续和高次谐波分量分配到宽带的连续分量中，降低功率转换器件的开关噪声。 构成：随机居中的脉冲宽度调制方法包括对两相矢量分量进行电压指令调制的步骤（S10），并通过在时间上排列矢量分量来获得脉冲格式; 中心对准两相脉冲的步骤（S30）; 根据随机位移来移位所述两相脉冲的步骤（S50）; 以及产生随机位移中心对准的两相脉冲的步骤（S60）。
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公开(公告)号：KR1020030063782A
公开(公告)日：2003-07-31
申请号：KR1020020004081
申请日：2002-01-24
Applicant: 대한민국(전남대학교총장)
IPC: G02F1/133
Abstract: PURPOSE: An apparatus for lighting multi-lamps for a back light of a liquid crystal display is provided to reduce power consumption and the size of the back light by lighting the multi-lamps with one lighting apparatus. CONSTITUTION: A plurality of switching elements(10,20,30,40) is operated by gate signals(S1-S4) for converting direct current voltage into pulse wave alternating current voltage. A serial resonance circuit made up of a parallel capacitor(50) and a transformer(60) converts the pulse wave alternating current voltage into sine wave alternating current voltage according to a resonance operation. Serial capacitors(80,81) are driven by the sine wave alternating current voltage from the serial resonance element for lighting a plurality of lamps(90,91) respectively. A control unit(110) generates the gate signals controlling the alternating current voltage converting operation of the alternating current converter.
Abstract translation: 目的：提供一种用于照明液晶显示器的背光的多灯的装置，通过用一个照明装置照亮多个灯来减少功率消耗和背光的尺寸。 构成：通过用于将直流电压转换成脉冲波交流电压的栅极信号（S1-S4）操作多个开关元件（10,20,30,40）。 由并联电容器（50）和变压器（60）组成的串联谐振电路根据谐振操作将脉冲波交流电压转换为正弦波交流电压。 串联电容器（80,81）由来自串联谐振元件的正弦波交流电压驱动，用于分别照亮多个灯（90,91）。 控制单元（110）产生控制交流电转换器的交流电压转换操作的门信号。
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公开(公告)号：KR100449911B1
公开(公告)日：2004-09-22
申请号：KR1020020011902
申请日：2002-03-06
Applicant: 대한민국(전남대학교총장)
Abstract: PURPOSE: A switching angle control method is provided to allow for a precise control and achieve improved response speed, while achieving improved torque and efficiency of a switched reluctance motor. CONSTITUTION: A switching angle control method comprises a first step of adjusting a turn-off angle corresponding to the pulses of the maximum torque by fixing a turn-on angle of a converter(12), sampling encoder pulse outputs generated from an encoder(18) of a switched reluctance motor(14) and comparing the stored pulses and the current pulses; and a second step of adjusting the turn-on angle by a predetermined deviation of angle in such a manner that the maximum speed is generated, by receiving a phase current value from the converter and comparing the maximum value of the stored phase current and the maximum value of the current phase current.
Abstract translation: 目的：提供开关角度控制方法，以实现精确控制并实现改进的响应速度，同时实现开关磁阻电机的改进的转矩和效率。 一种开关角度控制方法，包括：第一步骤，通过固定转换器（12）的导通角来调节与最大转矩的脉冲相对应的关断角度;对从编码器（18）产生的编码器脉冲输出进行采样; ）开关磁阻电机（14），并比较所存储的脉冲和电流脉冲; 以及通过接收来自所述转换器的相电流值并将所存储的相电流的最大值与所述最大值的最大值进行比较，从而以产生所述最大速度的方式将所述导通角调整预定的角度偏差的第二步骤 当前相电流的值。
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公开(公告)号：KR1020030072727A
公开(公告)日：2003-09-19
申请号：KR1020020011902
申请日：2002-03-06
Applicant: 대한민국(전남대학교총장)
Abstract: PURPOSE: A switching angle control method is provided to allow for a precise control and achieve improved response speed, while achieving improved torque and efficiency of a switched reluctance motor. CONSTITUTION: A switching angle control method comprises a first step of adjusting a turn-off angle corresponding to the pulses of the maximum torque by fixing a turn-on angle of a converter(12), sampling encoder pulse outputs generated from an encoder(18) of a switched reluctance motor(14) and comparing the stored pulses and the current pulses; and a second step of adjusting the turn-on angle by a predetermined deviation of angle in such a manner that the maximum speed is generated, by receiving a phase current value from the converter and comparing the maximum value of the stored phase current and the maximum value of the current phase current.
Abstract translation: 目的：提供开关角度控制方法，以实现精确的控制并实现改善的响应速度，同时实现开关磁阻电机的改进的转矩和效率。 构成：切换角度控制方法包括：通过固定转换器（12）的导通角来调整与最大扭矩的脉冲相对应的关断角度的第一步骤，对从编码器（18）产生的编码器脉冲输出进行采样 ）并且比较所存储的脉冲和电流脉冲; 以及第二步骤，通过从转换器接收相电流值并将存储的相电流的最大值与最大值相比较，以使得产生最大速度的方式将预定的角度偏差调整开启角度; 当前相电流的值。
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Patent Agency Ranking
公开(公告)号：KR1020020026992A
公开(公告)日：2002-04-13
申请号：KR1020000058118
申请日：2000-10-04
Applicant: 대한민국(전남대학교총장) , (주)세오전자
IPC: H04M1/00
Abstract: PURPOSE: A method of controlling a telephone system having jamming prevention and secret call functions is provided to transceive data instead of a voice calling by the secret call function, and to transceive data through encoder/decoder only between callers by an encoding algorithm for voice data, then to inform on a jamming and a wiretapping by checking an impedance and data errors, so as to maintain secret calls. CONSTITUTION: A CODEC(10) converts analog voice signals into digital signals or converts digital signals into analog voice signals. A micro controller(20) randomly modulates data through an encoding key transceived between callers, or demodulates the modulated data, and controls signals of a keypad(30) or a display device(40). The keypad(30) transmits signals to the micro controller(20) by pressing a telephone number of the other party. The display device(40) receives a signal for displaying a telephone number of a caller from the micro controller(20). A modem(50) transmits a modulated signal of the micro controller(20) to a DAA(Data Access Arrangement)(60), or receives a signal of the DAA(60) to transmit the signal to the micro controller(20). The DAA(60) transmits the signal received from the modem(50) to a PSTN.
Abstract translation: 目的：提供一种控制具有防干扰和秘密呼叫功能的电话系统的方法来收发数据，而不是通过秘密呼叫功能进行语音呼叫，仅通过编码器/解码器在呼叫者之间通过语音数据编码算法来收发数据 ，然后通过检查阻抗和数据错误来通知干扰和窃听，以保持秘密通话。 构成：CODEC（10）将模拟语音信号转换为数字信号，或将数字信号转换为模拟语音信号。 微控制器（20）通过在呼叫者之间收发的编码密钥随机调制数据，或解调调制数据，并控制键盘（30）或显示设备（40）的信号。 键盘（30）通过按下另一方的电话号码向微控制器（20）发送信号。 显示装置（40）从微控制器（20）接收用于显示呼叫者的电话号码的信号。 调制解调器（50）将微控制器（20）的调制信号发送到DAA（数据访问布置）（60），或者接收DAA（60）的信号以将信号发送到微控制器（20）。 DAA（60）将从调制解调器（50）接收的信号发送到PSTN。
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公开(公告)号：KR1020020022277A
公开(公告)日：2002-03-27
申请号：KR1020000054986
申请日：2000-09-19
Applicant: 위석오 , 대한민국(전남대학교총장) , 강주용
IPC: G01R31/00
Abstract: PURPOSE: An apparatus for displaying and detecting a digital three-state signal is provided to determine whether an electronic equipment of a car is normal or not based on an input signal generated from the electronic equipment. CONSTITUTION: A signal input part(10) receives electric signals of on and off forms from relay switches and a pulse train signal from an electric field object of a car. The signal discrimination part(20) discriminates whether an input signal of an electric field object of a car from the signal input part(10) is in an on, off, and open state. A pulse sensing part(30) senses a signal outputted from the signal discrimination part(20). A logic circuit(40) generates a driving signal which is used for displaying on a display in an electronic equipment of a car. An LED(60) receives a driving signal from the logic circuit(40) and visibly displays whether the pulse train signal from an electric field object of a car is normal.
Abstract translation: 目的：提供一种用于显示和检测数字三态信号的装置，用于基于从电子设备产生的输入信号来确定汽车的电子设备是否正常。 构成：信号输入部（10）接收来自继电器开关的开关形式的电信号和来自汽车的电场对象的脉冲串信号。 信号鉴别部（20）鉴别来自信号输入部（10）的轿厢的电场对象的输入信号是否处于接通，断开和断开状态。 脉冲感测部（30）感测从信号识别部（20）输出的信号。 逻辑电路（40）产生用于在汽车的电子设备的显示器上显示的驱动信号。 LED（60）从逻辑电路（40）接收驱动信号，并可视地显示来自轿厢的电场对象的脉冲序列信号是否正常。
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公开(公告)号：KR100449913B1
公开(公告)日：2004-09-22
申请号：KR1020020004081
申请日：2002-01-24
Applicant: 대한민국(전남대학교총장)
IPC: G02F1/133
Abstract: PURPOSE: An apparatus for lighting multi-lamps for a back light of a liquid crystal display is provided to reduce power consumption and the size of the back light by lighting the multi-lamps with one lighting apparatus. CONSTITUTION: A plurality of switching elements(10,20,30,40) is operated by gate signals(S1-S4) for converting direct current voltage into pulse wave alternating current voltage. A serial resonance circuit made up of a parallel capacitor(50) and a transformer(60) converts the pulse wave alternating current voltage into sine wave alternating current voltage according to a resonance operation. Serial capacitors(80,81) are driven by the sine wave alternating current voltage from the serial resonance element for lighting a plurality of lamps(90,91) respectively. A control unit(110) generates the gate signals controlling the alternating current voltage converting operation of the alternating current converter.
Abstract translation: 目的：提供一种用于为液晶显示器的背光照明多灯的装置，以通过用一个照明装置照亮多灯来降低功率消耗和背光的尺寸。 组成：多个开关元件（10,20,30,40）由门信号（S1-S4）操作，用于将直流电压转换成脉冲波交流电压。 由并联电容器（50）和变压器（60）构成的串联谐振电路根据共振操作将脉动波交流电压转换为正弦波交流电压。 串联电容器（80,81）由来自串联谐振元件的正弦波交流电压驱动，以分别点亮多个灯（90,91）。 控制单元（110）产生控制交流转换器的交流电压转换操作的选通信号。
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公开(公告)号：KR1020030072462A
公开(公告)日：2003-09-15
申请号：KR1020020011322
申请日：2002-03-04
Applicant: 대한민국(전남대학교총장)
IPC: G08B13/06
Abstract: PURPOSE: An apparatus for alarming the intrusion of door and a method for the same are provided to generate the alarm signal by determining the invader if the object is inserted into the key hole of lock when the user does not identify. CONSTITUTION: An apparatus for alarming the intrusion of door includes a remote controller(10) for transmitting the code corresponding to the operation of the button as a wireless signal, a remote controller receiving block(20) for receiving the wireless signal from the remote controller(20), a key sensing block(30) for generating a sensing signal by sensing the inserted object which is inserted into the inside of the lock installed on the door, a control block(40) and an alarm generation block(50). In the apparatus, the control block(40) generates the control signal to generate the alarm if the sensed signal is outputted from the key sensing block(30) when the wireless signal of the preset code is not received from the remote controller receiving block(20). The alarm generation block(50) generates the alarm based on the control signal outputted from the control block(40).
Abstract translation: 目的：提供一种用于报警门禁的设备及其方法，用于通过确定入侵者来产生报警信号，如果在用户未识别的情况下将对象插入到锁的钥匙孔中。 构成：用于警报门的入侵的装置包括用于发送与按钮的操作相对应的代码作为无线信号的遥控器（10），用于从遥控器接收无线信号的遥控器接收块（20） （20），用于通过感测插入到安装在门上的锁的内部的插入物体产生感测信号的按键感测块（30），控制块（40）和报警发生块（50）。 在该装置中，如果在没有从遥控器接收块接收到预设代码的无线信号的情况下，如果从键感测块（30）输出感测信号，则控制块（40）产生控制信号以产生报警 20）。 报警生成块（50）基于从控制块（40）输出的控制信号生成报警。
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公开(公告)号：KR100347749B1
公开(公告)日：2002-08-09
申请号：KR1020000054986
申请日：2000-09-19
Applicant: 위석오 , 대한민국(전남대학교총장) , 강주용
IPC: G01R31/00
Abstract: 본 발명은 자동차의 전장품으로부터 발생되는 입력신호의 정상 상태 또는 비정상 상태를 간단한 조작에 의해서도 단채널 또는 다채널로 구현 가능하면서 저가의 가격대가 실현되도록 하기 위한 다채널 3상태 신호검출 및 표시장치를 제공한다.
이를 위해 본 발명은 자동차에 탑재되는 전장품의 고장 진단을 위한 신호검출장치에 있어서, 상기 자동차의 전장품에서 발생되는 전기신호를 입력받는 신호입력부와, 상기 신호입력부를 통해 입력되는 신호의 전압레벨 상태를 판별하기 위한 신호판별부, 상기 신호판별부로부터 출력되는 신호에 의해 입력신호의 정상적인 펄스 여부 및 비정상적인 펄스 여부를 감지하는 펄스감지부, 상기 펄스감지부로부터의 감지신호와 상기 신호판별부로부터의 출력신호를 논리 처리하여 상기 자동차의 전장품으로부터 발생되는 입력신호의 정상상태 및 비정상 상태를 가시적으로 표시하기 위한 표시구동신호를 발생하는 논리회로부 및, 상기 논리회로부터의 표시구동신호에 의해 상기 자동차의 전장품에서 발생되는 입력신호에 대한 정상 상태 및 비정상 상태를 가시적으로 표시하기 위한 표시부로 구성된 것을 특징으로 한다.
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