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公开(公告)号:KR100368839B1
公开(公告)日:2003-01-24
申请号:KR1020010012051
申请日:2001-03-08
Applicant: 한국전기연구원
IPC: A61B6/03
Abstract: PURPOSE: A direct drive type gantry is provided to prevent noise caused due to the decelerator or chain, while shortening time for extracting image and obtaining high definition image. CONSTITUTION: A direct drive type gantry(100) comprises a frame(101) for supporting devices for obtaining image information; a stator(102) constituting a synchronous motor, and which is installed to the frame and has a plurality of coils arranged at the inner periphery of the stator so as to form a magnetic field; a rotor(103) constituting the synchronous motor together with the stator, and which is mounted in the stator, and has a plurality of permanent magnets arranged along the outer periphery of the rotor, and devices for obtaining image information arranged along the inner periphery of the rotor; and a control unit(104) electrically connected to the synchronous motor, and which controls speed of the rotor and transmits position of an X-ray tube.
Abstract translation: 目的:提供直驱式龙门架以防止由于减速器或链条引起的噪音,同时缩短提取图像和获得高清图像的时间。 一种直接驱动型门架(100)包括一个框架(101),用于支撑用于获得图象信息的装置; 构成同步电动机的定子,该定子安装在所述框架上,并且在所述定子的内周配置多个线圈而形成磁场; 与定子一起构成同步电动机并安装在定子中并具有沿转子的外周布置的多个永磁体的转子以及用于获得沿着电动机的内周边排列的图像信息的装置 转子; 和与同步电动机电连接的控制单元(104),其控制转子的速度并传送X射线管的位置。
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公开(公告)号:KR1020020072077A
公开(公告)日:2002-09-14
申请号:KR1020010012050
申请日:2001-03-08
Applicant: 한국전기연구원
IPC: H02P21/00
Abstract: PURPOSE: A method for controlling an interior permanent magnet synchronous motor is provided to obtain a correct current control reference value by considering change of parameter with respect to the current phase angle as well as the size of current. CONSTITUTION: A method comprises a first step of obtaining, by a finite element analysis, D-axis and Q-axis inductance values of interior permanent magnet synchronous motor(IPMSM)(99) changing in accordance with the size of current and phase angle of current; a second step of producing a neural net estimator(201) for estimating D-axis and Q-axis inductance by learning a neural net through the use of the result of the first step; a third step of calculating size of current and phase angle of current by D-axis and Q-axis currents of IMPSM, and estimating D-axis and Q-axis inductance for all conditions with respect to the size of current and phase angle of current, by using the neural net estimator produced in the second step; and a fourth step of controlling characteristics of current by reflecting the estimated value of D-axis and Q-axis obtained in the third step, to a control system.
Abstract translation: 目的:提供一种用于控制内部永磁同步电动机的方法,通过考虑相对于当前相位角的参数的变化以及电流的大小来获得正确的电流控制参考值。 构成:一种方法包括通过有限元分析获得内部永磁同步电动机(IPMSM)(99)的D轴和Q轴电感值根据电流和相位角的大小而变化的第一步骤 当前; 通过使用第一步骤的结果,通过学习神经网络来产生用于估计D轴和Q轴电感的神经网络估计器(201)的第二步骤; 通过IMPSM的D轴和Q轴电流来计算电流和电流相位角的大小的第三步骤,并且针对所有条件的电流和相位角的大小估计D轴和Q轴电感 ,通过使用第二步产生的神经网络估计器; 以及通过将在第三步骤中获得的D轴和Q轴的估计值反映到控制系统来控制电流特性的第四步骤。
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公开(公告)号:KR1020170056393A
公开(公告)日:2017-05-23
申请号:KR1020150160016
申请日:2015-11-13
Applicant: 한국전기연구원
CPC classification number: Y02T10/7258
Abstract: 본발명은회전구동장치에관한것으로서, 보다상세하게는회전구동을수행하는회전구동장치에관한것이다. 본발명은구동기어(120)가결합된 n개(n은 2 이상의자연수)의회전모터(100)와; 상기구동기어(120)와기어결합되어상기각각의구동기어(120)로부터전달받은회전력을구동축(310)으로출력하는메인기어(200)를포함하며; 상기 n개의회전모터(100)는, 각각상기토크맥동이순차적으로 P/n의위상차를가지고설치되는것을특징으로하는회전구동장치를개시하고있다.
Abstract translation: 旋转驱动装置技术领域本发明涉及旋转驱动装置,特别涉及进行旋转驱动的旋转驱动装置。 本发明的特征在于,与驱动齿轮120连结的n个(n为2以上的自然数)旋转马达100, 组合齿轮与所述驱动齿轮120包括主齿轮200,其从与每个310的驱动轴的驱动齿轮120传递的旋转力输出; 并且,n个旋转马达(100)分别以P / n的相位差依次赋予转矩脉动。
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公开(公告)号:KR101623900B1
公开(公告)日:2016-05-24
申请号:KR1020140075078
申请日:2014-06-19
Applicant: 한국전기연구원
CPC classification number: Y02T10/641
Abstract: 회전자가비접촉방식으로전원에연결되는모터가개시된다. 본발명의일 실시예에따른모터는, 모터하우징과상기모터하우징에회전가능하게지지된모터축을가진모터로서, 상기모터하우징에결합된고정자; 상기모터축에결합되며, 상기고정자와의전자기적상호작용에의해모터축 회전을위한전자기력을발생시키는전자석으로이루어진회전자; 및상기모터에장착되어상기회전자를회전자전원에전기적으로연결하는전원연결유닛;을포함하며, 상기전원연결유닛은, 상기회전자전원에연결된 1차코일, 및상기 1차코일을지지하며상기모터하우징에고정된 1차코일지지부재를포함하는 1차코일부; 및상기회전자에연결되며상기 1차코일을마주하도록배치된 2차코일, 및상기 2차코일을지지하며상기모터축에고정된 2차코일지지부재를포함하는 2차코일부;를포함한다.
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公开(公告)号:KR1020140056699A
公开(公告)日:2014-05-12
申请号:KR1020120121834
申请日:2012-10-31
Applicant: 한국전기연구원
IPC: B65G49/06 , H01L21/677 , H02K41/02 , B61B13/12
CPC classification number: B65G49/061 , B61B13/12 , B65G49/067 , F16H49/005 , H01L21/67709 , H02K41/02
Abstract: The present invention relates to a magnetically levitated transportation system which transports a display product to processes in an in-line type OLED manufacturing facility. By realizing a new type of a magnetically levitated transportation method which operates by placing a magnetically levitated module in the upper part and a linear propulsion module in the lower part and placing an electromagnet core and a permanent magnet on a tray, the magnetically levitated transportation system can protect a product, for example, protecting a display product on a transporting tray from thermal influence, and can improve the efficiency of transportation. In addition, by realizing a new type of a magnetically levitated transportation method which combines a rotating module associated with the magnetically levitated module and the linear propulsion module placed in the upper and lower parts, the magnetically levitated transportation system can implement an automated method where transportation of the tray between processes is continuously circulated, thereby increasing efficiency related to the transportation of display products and the processing of processes.
Abstract translation: 本发明涉及将显示产品运送到在线型OLED制造设备中的工艺的磁悬浮运输系统。 通过实现一种新型的磁悬浮运输方法,该方法通过在上部放置磁悬浮模块和下部的线性推进模块进行操作,并将电磁铁芯和永磁体放置在托盘上,磁悬浮运输系统 可以保护产品,例如保护传送托盘上的显示产品免受热影响,并可提高运输效率。 另外,通过实现将与磁悬浮模块相关联的旋转模块和放置在上下部分中的线性推进模块相结合的新型磁悬浮运输方法,磁悬浮运输系统可以实现自动化方法,其中运输 过程之间的托盘连续循环,从而提高与显示产品的运输和处理过程相关的效率。
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公开(公告)号:KR101296770B1
公开(公告)日:2013-08-14
申请号:KR1020120033309
申请日:2012-03-30
Applicant: 한국전기연구원
IPC: H02K9/19
Abstract: PURPOSE: An electrical device improving cooling performance is provided to evenly cool a core by making a cooling fluid flow into the core and effectively cool the end of each coil by a core both-side end cap in a stator structure. CONSTITUTION: An electrical device has a cooling structure in a core (125) of a stator (120) or a rotator or a mover which move to the stator. The core has a fluid passage vertically extended by being connected to an access passage (121) for the access of a fluid and fluid passages (222,262) symmetrically located from the access passage by being connected to the fluid passage. [Reference numerals] (AA) Combination
Abstract translation: 目的:提供一种提高冷却性能的电气设备,通过使冷却流体流入核心并通过定子结构中的两个侧端盖有效地冷却每个线圈的端部来均匀地冷却芯体。 构成:电气设备在定子(120)的芯部(125)或移动到定子的旋转器或移动器上具有冷却结构。 芯部具有通过连接到进入通道(121)而垂直延伸的流体通道,用于通过连接到流体通道而连接到从进入通道对称定位的流体和流体通道(222,262)。 (附图标记)(AA)组合
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公开(公告)号:KR101214443B1
公开(公告)日:2012-12-21
申请号:KR1020110040441
申请日:2011-04-28
Applicant: 한국전기연구원
Abstract: 본발명은제어각신호에대한보상이가능한인버터의출력제어시스템및 그제어방법에관한것으로서, 더욱상세하게는고속전동기에적용시킨공간벡터펄스폭 변조방식(SVPWM)의 3상인버터의출력을제어할때 CPU 성능이느린경우나펄스폭 변조스위칭주기가연산주기보다짧은경우, 제어각신호에대하여출력전압의각주파수, 펄스폭 변조스위칭주기및 상기제어각신호로전류제어를시작한이후의펄스폭 변조스위칭주기수행횟수를이용하여보상을하는구성을포함하는인버터의출력제어시스템및 그제어방법에관한것이다.
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公开(公告)号:KR100995701B1
公开(公告)日:2010-11-19
申请号:KR1020080113031
申请日:2008-11-14
Applicant: 한국전기연구원
IPC: B61L27/04
Abstract: 본 발명은 자기부상 차량의 이송 레일을 따라 부착된 바코드 및 이 바코드를 인식하는 바코드 리더기를 이용하여, 자기부상 차량의 속도 제어 혹은 속도 및 위치 제어가 정밀하게 이루어질 수 있도록 한 바코드 포지셔닝 시스템을 이용한 자기부상 차량의 속도 및 위치 제어 방법에 관한 것이다.
즉, 본 발명은 자기부상을 위한 폐루프 또는 개루프 레일을 따라 바코드가 인쇄된 바코드 시트를 부착하고, 레일 따라 이송하는 차량의 샤시 구조체에 바코드를 인식하는 바코드 리더기를 장착하여, 바코드 리더기가 바코드를 읽어서 차량의 현재 위치값을 검출함과 함께 차량이 도달하고자 하는 레일상의 목표 위치값을 입력함으로써, 현재 위치에서 목표 위치까지 차량의 속도제어 혹은 속도 및 위치 제어가 자동으로 수행되어 자기부상 차량의 속도 및 위치를 정밀하게 제어할 수 있도록 한 바코드 포지셔닝 시스템을 이용한 자기부상 차량의 속도 및 위치 제어 방법을 제공하고자 한 것이다.
자기부상, 차량, 바코드 포지셔닝 시스템, 레일, 바코드 리더기, 목표 위치, 기저 위치, 현재 위치, 속도 제어, 위치 제어-
公开(公告)号:KR1020100068866A
公开(公告)日:2010-06-24
申请号:KR1020080127367
申请日:2008-12-15
Applicant: 한국전기연구원
CPC classification number: H02P21/26 , H02K21/10 , H02P6/182 , H02P21/0003 , H02P2207/05
Abstract: PURPOSE: A method for sensorless control of the permanent magnet type synchronous motor is provided to use the sensorless algorithm applying the repetition adaptation sliding mode observation plane. The rotor electrical angle and electrical angle speed of the permanent magnet type synchronous motor are decided. CONSTITUTION: The input voltage from the inverter(11) is applied and the stator current actually obtains. The estimated current value calculates in the repetition adaptation sliding mode observation plane(21) on the fixed state equation. Error when estimated current value is compared with actual current value obtains. The rotator angle pitches by using the control input value of the observation plane of the final obtaining through the observation plane.
Abstract translation: 目的:提供永磁同步电动机无传感器控制的方法,使用应用重复自适应滑模观测平面的无传感器算法。 确定永磁同步电机的转子电角和电角速度。 构成:施加来自逆变器(11)的输入电压,实际获得定子电流。 估计的电流值在固定状态方程式中在重复适应滑动模式观察平面(21)中计算。 当估计电流值与实际电流值进行比较时发生错误。 通过使用通过观察平面的最终获得的观察平面的控制输入值来确定旋转角度间距。
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公开(公告)号:KR1020100061127A
公开(公告)日:2010-06-07
申请号:KR1020080120024
申请日:2008-11-28
Applicant: 한국전기연구원
CPC classification number: G01P3/486 , G01D5/2451 , G06F7/548 , G06F13/4204
Abstract: PURPOSE: A processing method of an encoder signal is provided to precisely control the speed and location of a controlled target by obtaining measurement result including the improved resolution. CONSTITUTION: A sine wave signal of A phase and B phase with 90° phase difference is inputted as the output signal of an encoder sensor part. An analog signal which has a shifted phase is obtained from the sine wave signal on the A phase and the B phase. A comparator converts the sine wave signal of the A phase and B phase and an analog signal which has a phase shifted form into a digital signal, respectively. An eight times multiplied digital signal is obtained from the transformed digital signal. An M/T counter acquires velocity information from the eight times multiplied signal. The location information is obtained from the velocity information. The analog signal which has a shifted phase form is the sine wave signal which has two forms which has a phase shifted at 45° and -45°.
Abstract translation: 目的:提供编码器信号的处理方法,通过获得包括改进分辨率的测量结果来精确控制受控对象的速度和位置。 构成:输入具有90°相位差的A相和B相的正弦波信号作为编码器传感器部分的输出信号。 从A相和B相的正弦波信号获得具有移相的模拟信号。 A比较器将A相和B相的正弦波信号和具有相移形式的模拟信号分别转换为数字信号。 从变换的数字信号获得八倍数字信号。 M / T计数器从八倍乘法信号获取速度信息。 从速度信息获得位置信息。 具有偏移相位形式的模拟信号是正弦波信号,其具有在45°和-45°相移的两种形式。
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