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公开(公告)号：KR101192994B1
公开(公告)日：2012-10-19
申请号：KR1020110095779
申请日：2011-09-22
Applicant: 광주과학기술원
Abstract: PURPOSE: A laser scanner control device and method for distance measurement are provided to accurately measure distance to a measurement object. CONSTITUTION: A laser light source part(10) emits reference light to a distance measurement object. A light signal detection part(30) chances reflective light reflected from the distance measurement object into an electric signal and detects it. A signal processing part(40) processes the electric signal outputted from the light signal detection part and detects phase difference of the reference light and the reflective light. An effective value detection part(50) processes information including amplitude of the reflective light and detects an effective value. An adjustment part(60) compares the effective value with reference voltage. A proportional integral controller(70) calculates proportional integral according to calculating processing information of the adjustment part and outputs a multiplication part control signal. A multiplication part(90) controls the output of the reference light according to the multiplication part control signal. A modulator(80) modulates the reference light into sinusoidal waves by being connected to the multiplication part. [Reference numerals] (10) Laser light source part; (40) Signal processing part; (50) Effective value detection part; (70) Proportional integral controller; (80) Modulator; (90) Multiplication part; (AA) Reference voltage; (BB) DC offset
Abstract translation: 目的：提供用于距离测量的激光扫描仪控制装置和方法，以精确测量与测量对象的距离。 构成：激光光源部件（10）将参考光发射到距离测量对象。 光信号检测部（30）将从距离测量对象反射的反射光机械化成电信号并进行检测。 信号处理部（40）处理从光信号检测部输出的电信号，检测基准光和反射光的相位差。 有效值检测部（50）处理包含反射光的振幅的信息，并检测有效值。 调整部（60）将有效值与基准电压进行比较。 比例积分控制器（70）根据调节部分的计算处理信息计算比例积分，并输出乘法部分控制信号。 乘法部（90）根据乘法部控制信号来控制基准光的输出。 调制器（80）通过连接到乘法部分将参考光调制成正弦波。 （附图标记）（10）激光光源部; （40）信号处理部分; （50）有效值检测部分; （70）比例积分控制器; （80）调制器; （90）乘法部分; （AA）参考电压; （BB）直流偏移
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公开(公告)号：KR1020110011099A
公开(公告)日：2011-02-08
申请号：KR1020090068567
申请日：2009-07-27
Applicant: 광주과학기술원
IPC: H01J37/28
Abstract: PURPOSE: A fusion microscope is provided to reduce measurement time by obtaining a three dimension nanometer scale image and a two dimension image. CONSTITUTION: An XY scanner(100) moves on a plane. A confocal microscope module(200) obtains the entire image of a sample. An atomic microscope module(300) obtains the precision image of the sample. A controller(400) moves the atomic microscope module to a specific region of interest by calculating the XY coordinate of region of interest from the two dimension image. A display part(500) outputs an image after receiving a signal from the atomic microscope module.
Abstract translation: 目的：提供融合显微镜，通过获得三维尺度的图像和二维图像来缩短测量时间。 构成：XY扫描仪（100）在平面上移动。 共聚焦显微镜模块（200）获得样品的整个图像。 原子显微镜模块（300）获得样品的精确图像。 控制器（400）通过从二维图像计算感兴趣区域的XY坐标将原子显微镜模块移动到特定的感兴趣区域。 显示部（500）在从原子显微镜模块接收到信号后输出图像。
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公开(公告)号：KR100830694B1
公开(公告)日：2008-05-19
申请号：KR1020070049829
申请日：2007-05-22
Applicant: 광주과학기술원
Abstract: A transformation method from an optical homodyne interferometer to an optical heterodyne interferometer and an apparatus using the same are provided to achieve the same performance as the optical homodyne interferometer without an AOM(Acousto-Optical Modulator) or a Zeeman Laser. An apparatus for transformation from an optical homodyne interferometer to an optical heterodyne interferometer includes a phase transition unit(201), first through fourth multiplication units(202a~202d), and first and second operation units. The phase transition unit receives a signal for frequency transition to transit phase. The first multiplication unit multiplies the frequency transition signal and a signal detected from the homodyne interferometer. The second multiplication unit multiplies the frequency transition signal and the phase-shifted signal. The third multiplication unit multiplies the phase-shifted signal and the signal detected from the homodyne interferometer. The fourth multiplication unit multiplies the signal detected from the homodyne interferometer and an over 90 degree phase-shifted signal. The first operation unit operates the signals from the first and second multiplication units. The second operation unit operates the signals from the third and fourth multiplication units.
Abstract translation: 提供了从光学零差干涉仪到光学外差干涉仪的变换方法和使用该方法的装置，以实现与没有AOM（声光调制器）或塞曼激光器的光学零差干涉仪相同的性能。 用于从光学零差干涉仪到光学外差干涉仪的变换的装置包括相变单元（201），第一到第四乘法单元（202a〜202d）以及第一和第二运算单元。 相变单元接收用于频率转换到传送阶段的信号。 第一乘法单元将频率转换信号和从零差干涉仪检测的信号相乘。 第二乘法单元将频率转换信号和相移信号相乘。 第三乘法单元将相移信号和从零差干涉仪检测的信号相乘。 第四乘法单元将从零差干涉仪检测的信号和超过90度的相移信号相乘。 第一操作单元操作来自第一和第二乘法单元的信号。 第二操作单元操作来自第三和第四乘法单元的信号。
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公开(公告)号：KR100743152B1
公开(公告)日：2007-07-27
申请号：KR1020060011737
申请日：2006-02-07
Applicant: 광주과학기술원
IPC: G01B11/24
Abstract: An apparatus for measuring a three-dimensional shape using an interval maintaining control method is provided to reduce errors generated due to winding or slant on a surface of an object to be measured by measuring an amount of drive due to a motor. An apparatus for measuring a three-dimensional shape using an interval maintaining control method includes a light source, an optical sensor package(401), a driving unit(403), and a measuring unit(404). The light source illuminates light at a surface of an object to be measured. The optical sensor package has an optical detecting unit. The driving unit is installed on the optical sensor package to perpendicularly drive. The measuring unit supports the driving unit to measure the driving precision of the optical sensor package by the driving unit. The optical detecting unit detects the light diffused-reflected from the surface of the object on a predetermined optical detecting surface.
Abstract translation: 提供一种使用间隔保持控制方法测量三维形状的设备，以通过测量由于电动机引起的驱动量来减少由于卷绕或倾斜在待测量对象的表面上而产生的误差。 一种使用间隔保持控制方法测量三维形状的设备包括光源，光学传感器组件（401），驱动单元（403）和测量单元（404）。 光源照射待测物体表面的光线。 光学传感器封装具有光学检测单元。 驱动单元安装在光学传感器封装上以垂直驱动。 测量单元支撑驱动单元以通过驱动单元测量光学传感器封装的驱动精度。 光学检测单元检测从预定光学检测表面上的物体表面漫射反射的光。
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公开(公告)号：KR1020030002217A
公开(公告)日：2003-01-08
申请号：KR1020010038971
申请日：2001-06-30
Applicant: 광주과학기술원
IPC: G02B26/10
Abstract: PURPOSE: A scanning method having two rotating mirrors is provided to provide an algorithm which corrects a supplement problem generated by two rotating mirrors and reduce a calculation method or a calculation time. CONSTITUTION: According to the method for solving a supplement problem of a scanning system, it corrects the supplement problem generated by two rotating mirrors efficiently, and also reduces its calculation method or calculation time. An equation of calculating a laser beam path is (tan2θy,(1+d)tan2θz,1), and a distortion due to the supplement phenomenon is calculated by an equation expressed by a distance between the first mirror and the second mirror. A locus of the laser beam is obtained according as a distance between the second mirror and a measurement or target is 1.
Abstract translation: 目的：提供一种具有两个旋转镜的扫描方法，以提供一种校正由两个旋转镜产生的补充问题并减少计算方法或计算时间的算法。 构成：根据扫描系统的补充问题的解决方法，可以有效地校正两个旋转镜产生的补充问题，并减少其计算方法或计算时间。 计算激光束路径的方程为（tan2＆thgr; y，（1 + d）tan2＆thgr; z，1），并且由补充现象引起的失真由第一反射镜和第二反射镜之间的距离表示的等式计算 镜子。 根据第二反射镜与测量或目标之间的距离为1，获得激光束的轨迹。
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Patent Agency Ranking
公开(公告)号：KR100302323B1
公开(公告)日：2001-11-22
申请号：KR1019980007665
申请日：1998-03-09
Applicant: 광주과학기술원
IPC: B60T1/06
Abstract: PURPOSE: A non-contact anti-lock brake system of a vehicle is provided to reduce wear of a brake pad and noise, and to minimize the braking distance by transmitting optimal braking torque without contacting the brake to the brake disk with forming eddy current in the brake disk. CONSTITUTION: A non-contact anti-lock brake system for a vehicle is composed of a brake disk(4) formed in a rotating shaft(5) turning wheels for braking; an iron core(1) bent in the end of the brake disk; a coil(2) wound on the iron core; a measuring unit(6) installed in the rotating shaft to measure RPM(Revolution Per Minute) of wheels; a control unit(7) receiving RPM of the measuring unit, and applying current to the coil of the iron core by calculating the control current input value; and a current driving unit calculating the current according to the control input signal, and transmitting the control current input value to the coil of the core. The optimal slip rate is satisfied with calculating the control current by detecting RPM of wheels, and braking torque is transmitted to the brake disk without contacting. The braking distance is reduced with forming eddy current in the brake disk.
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公开(公告)号：KR1020180003238A
公开(公告)日：2018-01-09
申请号：KR1020160082811
申请日：2016-06-30
Applicant: 광주과학기술원
CPC classification number: G01S7/4811 , G02B7/02 , G02B7/1821 , G02B26/0816
Abstract: 실시예는레이저광을송신및 수신받는라이다장치에포함되는광학계로서, 회전축에대해소정의각도로기울어진송신용미러, 상기송신용미러를지지하는제1 샤프트, 레이저광을상기송신용미러를통해측정대상으로방사하는송신부, 상기송신용미러와평행한회전축을갖는수신용미러, 상기수신용미러를지지하는제2 샤프트, 측정대상으로부터돌아오는레이저광을상기수신용미러를통해입력받는수신부, 상기제2 샤프트를회전시키는모터및 상기제2 샤프트와상기제1 샤프트를연결하여상기모터의회전에의해상기제1 및제2 샤프트를동일한회전각으로회전시키는연결부재를포함하여구성될수 있다.
Abstract translation: 实施例被称为接收的发送和接收的激光束作为包括在设备中的光学系统中，以预定的角度相对于倾斜劲松信用反射镜，所述第一轴，透射镜的旋转轴，用于支撑所述发射镜的激光 接收镜，以及第二轴，所述接收机接收的激光束从物体返回到可以通过接收镜用于通过具有发射机，平行于旋转轴线的发射机和信用反射镜用于测量对象的辐射支撑接收镜测量 ，它可以被配置成将所述马达和所述第一轴和用于由电机第二轴国会前的连接件，用于在相同的旋转角度mitje 2的第一轴旋转的旋转所述第二轴连接。
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公开(公告)号：KR101670474B1
公开(公告)日：2016-10-28
申请号：KR1020130031083
申请日：2013-03-22
Applicant: 광주과학기술원
Abstract: 본발명에따른광학장치는서로다른주파수로변조된제1 광선및 제2 광선을각각송출하는복수의광원들, 상기제1 광선및 상기제2 광선각각이입사되어특정지점에서만나면상기제1 광선및 상기제2 광선을반사또는투과시키는편광빔 스플리터및 상기제1 광선및 제2 광선중 상기특정지점에서투과된일부광선들의경로를변경하여대상물체의표면에조사되도록하는프리즘거울을포함한다. 따라서, 본발명은서로다른주파수로변조된제1 광선및 제2 광선을각각송출하는복수의광원들을사용함으로써송출되는광신호의감쇠가없고, 전기적크로스토크(Crosstalk)를줄여노이즈가없는광선을송출할수 있다는효과가있다.
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公开(公告)号：KR101241335B1
公开(公告)日：2013-03-08
申请号：KR1020090113490
申请日：2009-11-23
Applicant: 광주과학기술원
Abstract: 구동축 수직 방향 선형 운동은 허용하고 수평 방향 선형 운동을 제한하면서 코일이 요크에 접촉되지 않도록 하여 코일 및/또는 요크의 손상을 방지하며 방진 테이블의 수평 운동 및 회전을 허용할 수 있는 보이스 코일 구동기 및 이를 구비한 능동 방진 테이블 및 능동 방진 시스템이 제공된다.영구 자석은 자계를 형성한다. 코일은 로렌츠 힘을 발생하기 위해, 상기 영구 자석에 의해 형성된 자계에 수직 방향으로 전류가 흐를 수 있도록 상기 영구 자석을 둘러싸도록 설치된다. 요크는 상기 영구 자석 및 상기 코일을 내부에 수납하고 상기 영구 자석의 자속을 제공받아 자화되어 능동 방진 시스템을 구동한다. 복수의 스프링은 상기 코일 및 상기 요크에 수직으로 결합되어 방진 테이블의 회전 시에 상기 코일 및 상기 요크를 탄력적으로 지지하여 상기 코일과 상기 요크 간의 공극을 일정하게 유지하는 상태로 상기 요크에 대한 상기 코일의 회전을 구속하여 상기 요크, 상기 코일, 및 상기 영구 자석이 선형 운동하도록 가이드한다.
보이스 코일 구동기, 능동 방진 테이블-
50.发明公开
公开(公告)号：KR1020100124001A
公开(公告)日：2010-11-26
申请号：KR1020090043023
申请日：2009-05-18
Applicant: 광주과학기술원
Abstract: PURPOSE: A laser scanner for calculating the phase of an optical signal, a method thereof and a laser scanner for obtaining high amplification rate in the laser scanner are provided to calculate the phase of the optical signal through the multi layer phase modulation. CONSTITUTION: A second signal generating unit comprises a second phase demodulating unit(163) and a second intermediate frequency signal generating unit(164). The second signal generating unit generates second intermediate frequency signal in which the phase of the first intermediate frequency signal is demodulated. A phase calculation unit(166) calculates the phase of the reflective signal by using the second reference signal having intermediate frequency factor.
Abstract translation: 目的：提供一种用于计算光信号相位的激光扫描仪，其激光扫描仪中获得高放大率的方法和激光扫描仪，以通过多层相位调制来计算光信号的相位。 构成：第二信号生成单元包括第二相位解调单元（163）和第二中频信号生成单元（164）。 第二信号产生单元生成第二中频信号，其中第一中频信号的相位被解调。 相位计算单元（166）通过使用具有中间频率因子的第二参考信号来计算反射信号的相位。
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