-
公开(公告)号：KR101259584B1
公开(公告)日：2013-04-30
申请号：KR1020100138783
申请日：2010-12-30
Applicant: 전남대학교산학협력단
Abstract: 겔 위에 마이크로구조체를 로딩하는 단계; 상기 마이크로구조체가 로딩된 겔 위에 폴리머 용액을 도포한 후 경화시키는 단계; 경화된 폴리머층을 상기 겔로부터 분리하는 단계; 상기 경화된 폴리머층의 마이크로구조체가 노출된 면에 플라즈마를 공급하거나 차단제를 처리하는 단계; 상기 경화된 폴리머층으로부터 마이크로구조체를 단리하는 단계; 및 상기 단리된 마이크로구조체에 흡착대상 물질을 처리한 후 세척하는 단계를 포함하는 마이크로구조체의 표면 일부에 흡착대상 물질을 선택적으로 부착시키는 방법 및 상기 방법에 의해 제조된 마이크로구조체가 제공된다. 본 발명의 방법에 따르면, 기존의 마이크로구조체의 코팅을 통한 박테리아 부착 방법에서 보이는 전체 면적의 1/2 만을 코팅하여 제작된 마이크로 로봇에 비해 운동성 및 방향성 제어 성능이 향상된 마이크로 로봇 제작에 기여할 수 있다.
-
公开(公告)号：KR1020130040453A
公开(公告)日：2013-04-24
申请号：KR1020110105234
申请日：2011-10-14
Applicant: 삼성전기주식회사 , 전남대학교산학협력단
IPC: H02M7/483
CPC classification number: H02M7/483 , H02M2001/0074
Abstract: PURPOSE: An even number inverter is provided to efficiently control reactive power by comprising a bidirectional switching element only with transistors. CONSTITUTION: A division part(210) divides input DC power into the voltage levels of an even number. Multiple switching elements are connected to each node of the division part. Bidirectional switching elements(230) are connected to each node through at least one of the switching elements. The bidirectional switching element comprises at least 2 transistors. The division part comprises at least 2 capacitive elements.
Abstract translation: 目的：提供一个偶数反相器，通过仅包括晶体管的双向开关元件来有效地控制无功功率。 构成：分割部分（210）将输入直流电力分成偶数的电压电平。 多个开关元件连接到分割部分的每个节点。 双向开关元件（230）通过至少一个开关元件连接到每个节点。 双向开关元件包括至少2个晶体管。 分割部分包括至少2个电容元件。
-
公开(公告)号：KR101245206B1
公开(公告)日：2013-03-19
申请号：KR1020120001524
申请日：2012-01-05
Applicant: 전남대학교산학협력단
IPC: H02K9/08
CPC classification number: H02P9/30 , H02P2201/15
Abstract: PURPOSE: An electric phase modifier capable of using a linear region of a switching element and a permanent magnet synchronous generator equipping the electric phase modifier are provided to prevent the generation of an abrasion and arc of contact point when charging/discharging a condenser, thereby improving output voltage properties. CONSTITUTION: A plurality of power factor compensation circuits(110,110n) compensates for an output voltage and a power factor. The power factor compensation circuit is connected in parallel to each phase output of the permanent magnet synchronous generator. The master controller(120) calculates the error amount of an instruction value voltage. A sub controller(130) turns on/off the power factor compensation circuits and compensates the error amount. A three phase condenser is connected to each phase output and compensates for the output voltage and power factor of the permanent magnet synchronous generator.
Abstract translation: 目的：提供一种能够使用开关元件的线性区域的电相调节器和配备电相调节器的永磁同步发电机，以防止在对冷凝器进行充电/放电时产生接触点的磨损和电弧，从而改善 输出电压特性。 构成：多个功率因数补偿电路（110,110n）补偿输出电压和功率因数。 功率因数补偿电路与永磁同步发电机的各相输出端并联连接。 主控制器（120）计算指令值电压的误差量。 子控制器（130）打开/关闭功率因数补偿电路并补偿误差量。 三相电容连接到每相输出，补偿永磁同步发电机的输出电压和功率因数。
-
公开(公告)号：KR1020130022258A
公开(公告)日：2013-03-06
申请号：KR1020110085207
申请日：2011-08-25
Applicant: 전남대학교산학협력단
IPC: G01N33/50 , G01N33/574 , G01N33/569 , G01N35/08
Abstract: PURPOSE: An apparatus and a method for analyzing chemotaxis of cells or cell-based micro-robots are provided to enable users to easily culture cancer cells and normal cells. CONSTITUTION: An apparatus for analyzing chemotaxis of cells or cell-based micro-robots comprises a first substrate, a second substrate, and hydrogel(8). The second substrate comprises a chamber(3) for loading the cells or cell-based micro-robots, one or more chambers(4) for loading analytes, and a channel(5). The channel connects the chamber for loading the cells or cell-based micro-robots, and the chamber for loading analytes. The hydrogel is injected into the chamber for loading analytes.
Abstract translation: 目的：提供一种用于分析细胞趋化性或基于细胞的微机器人的装置和方法，使用户能够容易地培养癌细胞和正常细胞。 构成：用于分析细胞或基于细胞的微机器人的趋化性的装置包括第一基底，第二基底和水凝胶（8）。 第二衬底包括用于装载细胞或基于细胞的微机器人的腔室（3），用于装载分析物的一个或多个腔室（4）和通道（5）。 通道连接用于装载细胞或基于细胞的微机器人的室，以及用于加载分析物的室。 将水凝胶注入室中用于加载分析物。
-
公开(公告)号：KR101200820B1
公开(公告)日：2012-11-13
申请号：KR1020110128260
申请日：2011-12-02
Applicant: 전남대학교산학협력단
Abstract: PURPOSE: A boost converter of a soft switching mode is provided to improve power conversion efficiency by offering switching loss of a main switch through resonance of leakage inductance of a capacitor and a transformer. CONSTITUTION: An anode of a second circulating diode(116) is connected to a terminal between a main switch and an inductor for resonance. A cathode of the second circulating diode is connected to one end of the capacitor for resonance. One end of an auxiliary switch(117) is connected to a terminal between the second circulating diode and the capacitor for resonance. A primary side of a transformer(118) is connected to the other end of the auxiliary switch and a minus terminal of an input power source. A secondary side of the transformer is connected to an output terminal and a plus terminal of the input power source.
Abstract translation: 目的：提供软开关模式的升压转换器，通过电容器和变压器的漏电感的谐振提供主开关的开关损耗来提高功率转换效率。 构成：第二循环二极管（116）的阳极连接到主开关和用于谐振的电感器之间的端子。 第二循环二极管的阴极连接到用于谐振的电容器的一端。 辅助开关（117）的一端连接到第二循环二极管和用于谐振的电容器之间的端子。 变压器（118）的初级侧连接到辅助开关的另一端和输入电源的负端子。 变压器的次级侧连接到输入电源的输出端子和正极端子。
-
Patent Agency Ranking
公开(公告)号：KR1020120079759A
公开(公告)日：2012-07-13
申请号：KR1020110001133
申请日：2011-01-05
Applicant: 전남대학교산학협력단
IPC: H02M3/28
CPC classification number: Y02B70/1491
Abstract: PURPOSE: A zero current switching type DC/DC converter is provided to reduce a switching loss by using a zero current switching method. CONSTITUTION: A zero current switching type DC/DC converter comprises a DC voltage input unit, a high frequency transforming unit(200), and a DC voltage output unit. The DC voltage input unit comprises a voltage source(114) and a switch element. The DC voltage input unit comprises resistance(124) and a second capacitor(122) respectively serially connected to the voltage source and a coil. A third capacity(112) is connected in parallel with the voltage source. The high frequency transforming unit comprises the coil, a first capacitor(134) LC resonating a leakage inductance component of the coil.
Abstract translation: 目的：提供零电流开关型DC / DC转换器，通过使用零电流开关方法来减少开关损耗。 构成：零电流开关型DC / DC转换器包括直流电压输入单元，高频变换单元（200）和直流电压输出单元。 直流电压输入单元包括电压源（114）和开关元件。 直流电压输入单元包括分别串联连接到电压源和线圈的电阻（124）和第二电容器（122）。 第三容量（112）与电压源并联连接。 高频变换单元包括线圈，谐振线圈的漏电感分量的第一电容器（134）LC。
-
公开(公告)号：KR101125111B1
公开(公告)日：2012-03-21
申请号：KR1020100038309
申请日：2010-04-26
Applicant: 전남대학교산학협력단
Abstract: 본 발명은 피엘엘 제어의 기본파 성분 획득방법 및 그 방법을 이용하는 피엘엘 제어기에 관한 것으로, 보다 구체적으로는 계통연계를 위한 피엘엘 제어의 계통전압 기본파 성분 획득시에 저역 통과필터를 사용하지 않고 고역 통과필터를 사용하여 기본파 성분을 획득함으로써 위상 추종시에 시간응답이 우수하고, 고조파가 완벽히 제거된 기본파 성분을 획득할 수 있는 피엘엘 제어의 기본파 성분 획득방법 및 그 방법을 이용하는 피엘엘 제어기에 관한 것이다.
-
公开(公告)号：KR101120659B1
公开(公告)日：2012-03-16
申请号：KR1020100085140
申请日：2010-08-31
Applicant: 전남대학교산학협력단
IPC: H05B6/06
Abstract: 본 발명은 전류형 유도가열 시스템에 관한 것으로, 보다 구체적으로는 입력측에 커패시터를 제거하여, 전력효율 고정회로(PFC 회로:Power Factor Correction 회로, 이하 'PFC 회로'라 함)를 사용하지 않고도 단위역률의 입력이 가능하여 고 역률화를 실현할 수 있고, 소자의 파괴나 단락회로 보호에 강인한 단위 역률 입력을 위한 전류형 유도가열 시스템에 관한 것이다.
-
公开(公告)号：KR1020120021141A
公开(公告)日：2012-03-08
申请号：KR1020110001156
申请日：2011-01-05
Applicant: 전남대학교산학협력단
CPC classification number: Y02B70/1491
Abstract: PURPOSE: A synchronous DC/DC converter of a zero voltage switching mode using a tab transformer is provided to minimize rectification loss by forming switching devices of a rectifier part by using a MOSFET(Metal Oxide Semiconductor Field Effect Transistor) switch instead of a diode. CONSTITUTION: One end of a chopper switch(110) is connected to one end of a DC input voltage. An inverter unit(120) is connected to the other end of the chopper switch and one end of an input voltage. The inverter unit outputs an AC voltage by switching the input voltage. One end of a free wheeling device(130) is connected between the chopper switch and the inverter part. The other end of the free wheeling device is connected to the other end of the DC input voltage. The free wheeling device forms reflux pass in an off-state of the chopper switch. A tap transformer(140) transforms the AC voltage. A rectifier(150) is connected to an output end of the tap transformer. The rectifier performs a switching operation through synchronization with the inverter unit.
Abstract translation: 目的：使用标签变压器进行零电压开关模式的同步DC / DC转换器，通过使用MOSFET（金属氧化物半导体场效应晶体管）开关代替二极管，通过形成整流器部分的开关器件来最小化整流损耗。 构成：斩波开关（110）的一端连接到直流输入电压的一端。 逆变器单元（120）连接到斩波开关的另一端和输入电压的一端。 逆变器单元通过切换输入电压来输出交流电压。 斩波开关与逆变器部分之间连接有一个续流装置（130）的一端。 续流装置的另一端连接到直流输入电压的另一端。 自由轮装置在切断开关的断开状态下形成回流通道。 抽头变压器（140）转换交流电压。 整流器（150）连接到抽头变压器的输出端。 整流器通过与逆变器单元同步来执行切换操作。
-
公开(公告)号：KR1020120021089A
公开(公告)日：2012-03-08
申请号：KR1020100085140
申请日：2010-08-31
Applicant: 전남대학교산학협력단
IPC: H05B6/06
CPC classification number: H05B6/06 , H02M7/4826 , H02M2007/4815 , H05B1/02 , H05B6/04 , Y02B70/1441
Abstract: PURPOSE: A current type induction heating system for inputting a unity power factor is provided to protect a short circuit by using a current source as the input of a resonance part. CONSTITUTION: A rectifier(110) outputs DC power by rectifying commercial electricity. A convertor part(120) generates an input current source by switching the DC power outputted from the rectifier. The convertor part outputs the input current source generated to a resonance part(140). The convertor part comprises a switch(121), an input side inductor(122), and a free wheeling diode(123). The inverter unit performs a switching operation to apply the input current source to the resonance part to forward direction and reverse directions. The inverter unit comprises a first switching device(131), a second switching device(132), a third switching device(133), and a fourth switching device(134). The resonance part changes a switched input current source in the inverter unit into an electromagnetism.
Abstract translation: 目的：提供用于输入单位功率因数的电流式感应加热系统，以通过使用电流源作为谐振部件的输入来保护短路。 构成：整流器（110）通过整流商用电力输出直流电力。 转换器部件（120）通过切换从整流器输出的直流电力来产生输入电流源。 转换器部分将产生的输入电流源输出到共振部分（140）。 转换器部分包括开关（121），输入侧电感器（122）和续流二极管（123）。 逆变器单元执行切换操作以将输入电流源施加到谐振部分以向前和向后的方向。 逆变器单元包括第一开关装置（131），第二开关装置（132），第三开关装置（133）和第四开关装置（134）。 谐振部分将逆变器单元中的开关输入电流源变为电磁。
-
-
-
-
-
-
-
-
-
Search Results
151
records
(took 0.019 seconds)
