中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

8 records (took 0.018 seconds)

    Compensation method for control systems, namely with high delay, and corresponding compensation control system
    2.
    发明公开
    Compensation method for control systems, namely with high delay, and corresponding compensation control system 失效
    为补偿控制系统，特别是具有高的延迟和对应的补偿控制系统的方法

    公开(公告)号：EP0898373A1

    公开(公告)日：1999-02-24

    申请号：EP97830425.1

    申请日：1997-08-18

    Applicant: STMicroelectronics S.r.l.

    Inventor： Dati, Angelo ,  Bietti, Ivan

    IPC: H03M1/00 ,  G05B21/02 ,  G05B5/01

    CPC classification number: G05B5/01 ,  G05B21/02

    Abstract: The invention relates to a control signal compensation method particularly intended for an analog/digital processing system provided with a control loop, including in turn a controller (5) and a monitoring (4) circuit, characterised in that it comprises the following steps:

    storing the corrections made by the controller;
    fast processing such corrections in advance of the transmission of the corrections throughout the control loop;
    generating a compensating signal (014) for the latency effects of the controller, by the use of a negative feedback loop provided at the monitoring circuit level.

    The invention also concerns a compensation control system implementing the above method, and an analog/digital processing system incorporating such a compensation control system.

    Abstract translation: 本发明涉及特别用于提供与控制回路上的模拟/数字处理系统，进而包括一个控制器（5）和监视（4）电路，它DASS包括以下步骤的控制信号补偿方法，包括：存储 由控制器进行了更改; 几乎处理求修正预先校正在整个控制环的传输; 产生用于控制器的延迟效应的补偿信号（014），通过使用在监视电路级提供一个负反馈环路。 因此本发明涉及一种补偿控制系统实施上述方法，并进行模拟/数字处理系统结合寻求补偿控制系统。

    Phase shifting coupling technique for multi-phase LC tank based ring oscillators
    3.
    发明公开
    Phase shifting coupling technique for multi-phase LC tank based ring oscillators 审中-公开
    Phasenschieber-Kopplungstechnikfürmehrphasige Ringoszillatoren mit LC-Schwingkreis

    公开(公告)号：EP1608063A2

    公开(公告)日：2005-12-21

    申请号：EP05105138.1

    申请日：2005-06-13

    Applicant: STMicroelectronics S.r.l.

    Inventor： Bietti, Ivan ,  Tonietto, Riccardo

    IPC: H03K3/03

    CPC classification number: H03K3/0322

    Abstract: A multi-phase oscillator (135) is provided. Said multi-phase oscillator includes a plurality of resonator stages (212, 211, 210) series-connected in an ordered closed loop. Each stage is used for providing one or more oscillating voltages (ck0, ck180; ck240, ck60; ck120, ck300) corresponding to an oscillating current (Itot). The oscillating current includes a natural current (Ir) that is generated by the stage and one or more injected currents (Ica, Icb) from a previous stage in the closed loop. The oscillating voltages provided by all the stages have substantially the same frequency (Fo); on the other hand, the oscillating voltages provided by each stage and the previous oscillating voltages provided by the previous stage have a corresponding phase difference. The oscillator further includes a coupler (220, 221, 222) between each stage and the previous stage; the coupler is used for generating the injected currents according to the previous oscillating voltages. The coupler includes transconductance means (310, 320) for transforming one or more voltages corresponding to the previous oscillating voltages into one or more currents corresponding to the injected currents; the coupler further includes shifting means (610, 620) for shifting the phase of the injected currents according to the corresponding phase difference. The shifting means includes filtering means (R1, R2, C1, C2) for filtering the previous oscillating voltages into one or more corresponding filtered oscillating voltages to be supplied to the transconductance means.

    Abstract translation: 提供多相位振荡器（135）。 所述多相振荡器包括以有序闭环串联连接的多个谐振器级（212,211,210）。 每个级用于提供对应于振荡电流（Itot）的一个或多个振荡电压（ck0，ck180; ck240，ck60; ck120，ck300）。 振荡电流包括由该级产生的自然电流（Ir）和来自闭环中的前一级的一个或多个注入电流（Ica，Icb）。 所有级提供的振荡电压具有基本相同的频率（Fo）; 另一方面，由各级提供的振荡电压和由前一级提供的先前振荡电压具有对应的相位差。 振荡器还包括在每个级与前一级之间的耦合器（220,221,222）; 耦合器用于根据先前的振荡电压产生注入的电流。 耦合器包括跨导装置（310,320），用于将对应于先前振荡电压的一个或多个电压变换成对应于注入电流的一个或多个电流; 耦合器还包括用于根据相应的相位差移动注入电流的相位的移位装置（610,620）。 移位装置包括滤波装置（R1，R2，C1，C2），用于将先前的振荡电压滤波成一个或多个相应的滤波后的振荡电压以提供给跨导装置。

    Phase shifting coupling technique for multi-phase LC tank based ring oscillators
    5.
    发明公开
    Phase shifting coupling technique for multi-phase LC tank based ring oscillators 审中-公开
    用于与LC谐振电路的多相环形振荡器移相器耦合技术

    公开(公告)号：EP1608063A3

    公开(公告)日：2006-09-13

    申请号：EP05105138.1

    申请日：2005-06-13

    Applicant: STMicroelectronics S.r.l.

    Inventor： Bietti, Ivan ,  Tonietto, Riccardo

    IPC: H03K3/03

    CPC classification number: H03K3/0322

    Abstract: A multi-phase oscillator (135) is provided. Said multi-phase oscillator includes a plurality of resonator stages (212, 211, 210) series-connected in an ordered closed loop. Each stage is used for providing one or more oscillating voltages (ck0, ck180; ck240, ck60; ck120, ck300) corresponding to an oscillating current (Itot). The oscillating current includes a natural current (Ir) that is generated by the stage and one or more injected currents (Ica, Icb) from a previous stage in the closed loop. The oscillating voltages provided by all the stages have substantially the same frequency (Fo); on the other hand, the oscillating voltages provided by each stage and the previous oscillating voltages provided by the previous stage have a corresponding phase difference. The oscillator further includes a coupler (220, 221, 222) between each stage and the previous stage; the coupler is used for generating the injected currents according to the previous oscillating voltages. The coupler includes transconductance means (310, 320) for transforming one or more voltages corresponding to the previous oscillating voltages into one or more currents corresponding to the injected currents; the coupler further includes shifting means (610, 620) for shifting the phase of the injected currents according to the corresponding phase difference. The shifting means includes filtering means (R1, R2, C1, C2) for filtering the previous oscillating voltages into one or more corresponding filtered oscillating voltages to be supplied to the transconductance means.

Patent Agency Ranking