利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

2926 条记录 (耗时 0.033 秒)

    Active snubber topology
    95.
    发明公开
    Active snubber topology 有权
    AktiveDämpfertopologie

    公开(公告)号：EP2787617A1

    公开(公告)日：2014-10-08

    申请号：EP13161957.9

    申请日：2013-04-02

    申请人： ABB Research Ltd.

    发明人： Li, Tin-Ho ,  Ho, Ngai-Man ,  Escobar, Gerardo ,  Bradshaw, Jonathan

    IPC分类号： H02M1/34

    CPC分类号： H02M1/34 ,  H02M2001/342 ,  Y02B70/1491

    摘要： The present discloses an active snubber circuit and a power converter comprising the active circuit. The active snubber circuit comprises a series connection of a first diode and a first inductor connected between a first interfacing point (A 1 ) and a first connection point (D), a second diode connected between a second connection point (E) and a second interfacing point (B), a series connection of a third diode and a second inductor connected between a third interfacing point (C) and the second connection point (E), a switching device connected between the first connection point (D) and the third interfacing point (C), and a first capacitor connected between the first connection point (D) and the second connection point (E). The first, the second, and the third diode are forward-biased in a first direction along a path between the first interfacing point (A 1 ) and the second interfacing point (B) and through the third interfacing point (C), and the switching device is configured to control a flow of current in the first direction.

    摘要翻译： 本发明公开了一种有源缓冲电路和包括有源电路的功率转换器。 有源缓冲电路包括连接在第一接口点（A 1）和第一连接点（D）之间的第一二极管和第一电感器的串联连接，连接在第二连接点（E）和第二连接点 连接点（B），连接在第三接口点（C）和第二连接点（E）之间的第三二极管和第二电感器的串联连接;连接在第一连接点（D）和第三连接点 连接点（C）和连接在第一连接点（D）和第二连接点（E）之间的第一电容器。 第一，第二和第三二极管沿第一方向沿着第一接口点（A 1）和第二接口点（B）之间的路径以及通过第三接口点（C）向前偏置，并且 开关装置被配置成控制电流在第一方向上的流动。

    A METHOD AND A SYSTEM FOR TUNING MULTIVARIABLE PID CONTROLLER
    99.
    发明公开
    A METHOD AND A SYSTEM FOR TUNING MULTIVARIABLE PID CONTROLLER 审中-公开
    VERFAHREN UND SYSTEM ZUM ABSTIMMEN MULTIVARIABLER PID-REGLER

    公开(公告)号：EP2753990A1

    公开(公告)日：2014-07-16

    申请号：EP12787856.9

    申请日：2012-10-15

    申请人： ABB Research Ltd.

    发明人： GUPTA, Arun

    IPC分类号： G05B13/04

    CPC分类号： G05B13/04 ,  G05B13/048

    摘要： The present invention provides a method for tuning Multivariable Proportional-Integral- Derivative (PID) controller in a process plant. The plant has at least one PID controller for controlling the processes of the plant. The method comprises the steps of formulating Model Predictive Control (MPC) for the process model of the plant. Obtaining optimal control solution for at least one critical region in relation to the MPC. Determining PID tuning parameters corresponding to the said optimal control solution. Tuning the PID controller with the PID tuning parameters. The present invention also provides a system for tuning Multivariable Proportional-Integral- Derivative (PID) controller in a process plant, in accordance with the method of the invention.

    摘要翻译： 公开了用于调整过程工厂中的多变量比例积分微分（PID）控制器的方法和系统。 该工厂可以有至少一个PID控制器来控制工厂的过程。 该方法可以包括为工厂的过程模型制定模型预测控制（MPC）; 获得关于MPC的至少一个指定（例如关键）区域的期望（例如，最佳控制）解决方案; 确定对应于控制解的PID调谐参数; 并使用PID调节参数调节PID控制器。