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1. 发明申请

WO2005089134A2 ACTIVE SENSOR CIRCUIT WITH ONE OR MORE T-NETWORK PAIRS 审中-公开
标题翻译：具有一个或多个T网络对的主动传感器电路
公开(公告)号：WO2005089134A2
公开(公告)日：2005-09-29
申请号：PCT/US2005/007223
申请日：2005-03-02
申请人： TAO OF SYSTEMS INTEGRATION, INC. , SARMA, Garimella, R. , MANGALAM, Siva, M.
发明人： SARMA, Garimella, R. , MANGALAM, Siva, M.
IPC分类号： G01L1/22 , G01R27/08
CPC分类号： G01L1/2262 , G01D3/021 , G01D3/032 , G01D3/0365
摘要： A sensor circuit is provided that comprises a first T-network including a first impedance serially connected to a second impedance at a erst junction and a first varia e resistance sensor element connected at a first end to the first junction and at a second end to ground. The sensor circuit further comprises an operational amplifier having a non-inverting amplifier input terminal connected to ground, an inverting amplifier input terminal connected to the first impedance at a second junction and an amplifier output terminal connected to the second impedance. The sensor circuit also comprises a second T-network including a third impedance serially connected to a fourth impedance at a third junction and a second variable resistance sensor element having first and second sensor element ends. The first sensor element end is connected to the third junction and the fourth impedance is connected to the second junction. The sensor circuit further comprises a constant voltage source connected to the third impedance and to ground. The second end of the second variable resistance sensor element is connected to a fourth junction intermediate the constant voltage source and ground.
摘要翻译：提供了一种传感器电路，其包括第一T网络，该第一T网络包括串联连接到第一连接处的第二阻抗的第一阻抗和在第一端连接到第一接合处的第一变电阻电阻传感器元件，以及在第二端接地。传感器电路还包括具有连接到地的非反相放大器输入端的运算放大器，连接到第二结的第一阻抗的反相放大器输入端和连接到第二阻抗的放大器输出端。传感器电路还包括第二T网络，其包括串联连接到第三连接处的第四阻抗的第三阻抗和具有第一和第二传感器元件端的第二可变电阻传感器元件。第一传感器元件端连接到第三结，并且第四阻抗连接到第二结。传感器电路还包括连接到第三阻抗并接地的恒定电压源。第二可变电阻传感器元件的第二端连接到恒压源和地之间的第四结。

2. 发明申请

WO2013067338A2 SYSTEM AND METHOD FOR DETERMINING FLUID SPEED 审中-公开
标题翻译：用于确定流体速度的系统和方法
公开(公告)号：WO2013067338A2
公开(公告)日：2013-05-10
申请号：PCT/US2012/063301
申请日：2012-11-02
申请人： TAO OF SYSTEMS INTEGRATION, INC.
发明人： MANGALAM, Siva, M. , MANGALAM, Arun
IPC分类号： G01F1/32 , G01F1/00
CPC分类号： G01P5/01 , G01F1/3272
摘要： A flow speed sensor arrangement is provided for measuring a flow speed of a fluid stream relative to an object. The arrangement comprises a first obstructive body having a first forward facing surface and two lateral edges and a second obstructive body having a second forward facing surface. The second obstructive body is positioned in tandem relative to the first obstructive body so that the first and second forward facing surfaces face the same direction and so that when the first forward facing surface is presented to an incoming fluid stream, the first obstructive body is between the incoming fluid flow and the second obstructive body. A sensor array is disposed on the second forward facing surface. The first and second obstructive bodies are attachable to the object so that the first forward face is presented to an incoming fluid stream when the object is immersed in the fluid stream.
摘要翻译：提供了一种用于测量流体流相对于物体的流速的流速传感器装置。该装置包括具有第一前向表面和两个侧边缘的第一阻塞体，以及具有第二前向表面的第二阻塞体。第二阻塞体相对于第一阻塞体串联设置，使得第一和第二前向表面面向相同的方向，并且使得当第一向前表面被呈现进入的流体流时，第一阻塞体位于进入的流体流动和第二阻塞体。传感器阵列设置在第二前向表面上。第一和第二阻塞体可附接到物体上，使得当物体浸入流体流中时，第一前面呈现入流体流。

3. 发明申请

WO2016089843A1 METHOD AND SYSTEM FOR DETERMINING AERODYNAMIC LOADS FROM DOWNSTREAM FLOW PROPERTIES 审中-公开
标题翻译：用于确定下游流动特性的气动载荷的方法和系统
公开(公告)号：WO2016089843A1
公开(公告)日：2016-06-09
申请号：PCT/US2015/063150
申请日：2015-12-01
申请人： TAO OF SYSTEMS INTEGRATION, INC.
发明人： MANGALAM, Arun, S. , MANGALAM, Siva, M.
IPC分类号： G01M9/06 , G01P5/00 , G01P21/00
CPC分类号： G01P5/01 , G01P5/24 , G01P5/26 , G01P21/025
摘要： A method is provided for determining flow conditions for a body immersed in a fluid. The method comprises obtaining flow sensor data downstream of the leading edge stagnation point (LESP) using one or more minimal calibration flow sensors. The method further comprises obtaining at least one normalizing flow parameter value and normalizing the flow sensor data using the at least one normalizing flow parameter value. The method also comprises determining an overall flow condition for the body using the normalized flow sensor data.
摘要翻译：提供了一种用于确定浸入流体中的身体的流动条件的方法。该方法包括使用一个或多个最小校准流量传感器获得前缘停滞点（LESP）下游的流量传感器数据。该方法还包括获得至少一个归一化流量参数值，并使用至少一个归一化流量参数值对流量传感器数据进行归一化。该方法还包括使用归一化的流量传感器数据确定身体的总体流量状况。

4. 发明申请

WO2005022089A2 METHOD AND SYSTEM FOR LOCATING CRITICAL FLOW FEATURE INDICATORS IN THREE DIMENSIONAL FLOW REGIMES 审中-公开
标题翻译：在三维流动方案中定位关键流量特征指示器的方法和系统
公开(公告)号：WO2005022089A2
公开(公告)日：2005-03-10
申请号：PCT/US2004/028336
申请日：2004-09-01
申请人： TAO OF SYSTEMS INTEGRATION, INC. , MANGALAM, Siva, M.
发明人： MANGALAM, Siva, M.
IPC分类号： G01F
CPC分类号： G01M9/06 , G01P5/10 , G01P13/025
摘要： A method for locating two dimensional critical flow features on a surface of a three dimensional body immersed in a fluid stream is presented. The method comprises applying a hot film sensor array on the surface of the body. The hot film sensor array comprises a plurality of hot film sensor elements disposable in a two dimensional array over at least a portion of the body surface. Each sensor element is connected to an associated anemometer circuit to provide an output voltage. The method further comprises obtaining output voltage data for each hot film sensor element with the body immersed in the fluid stream under a set of flow conditions and processing the hot film sensor element output voltage data to locate at least one two dimensional critical flow feature on the body surface.
摘要翻译：提出了一种在浸入流体流中的三维体的表面上定位二维临界流动特征的方法。该方法包括在身体的表面上施加热膜传感器阵列。热膜传感器阵列包括在身体表面的至少一部分上以二维阵列放置的多个热膜传感器元件。每个传感器元件连接到相关联的风速计电路以提供输出电压。该方法还包括获得每个热膜传感器元件的输出电压数据，其中身体在一组流动条件下浸没在流体流中，并且处理热膜传感器元件输出电压数据以定位至少一个二维临界流特征身体表面。

5. 发明申请

WO2010006033A1 METHOD FOR PREDICTING FLOW AND PERFORMANCE CHARACTERISTICS OF A BODY USING CRITICAL POINT LOCATION 审中-公开
标题翻译：使用关键点位置预测身体的流量和性能特征的方法
公开(公告)号：WO2010006033A1
公开(公告)日：2010-01-14
申请号：PCT/US2009/049914
申请日：2009-07-08
申请人： TAO OF SYSTEMS INTEGRATION, INC. , MANGALAM, Siva, M. , MANGALAM, Arun
发明人： MANGALAM, Siva, M. , MANGALAM, Arun
IPC分类号： G06G7/50
CPC分类号： G06F17/5009 , G06F2217/16
摘要： A method is provided for calculating flow performance characteristics of a body immersed in a fluid under a set of fluid flow conditions. The method comprises providing a geometrical description of a surface of the body and determining the set of fluid flow conditions. The set of fluid flow conditions includes a combination selected from the combination set consisting of angle of attack and leading edge stagnation point location, angle of attack and flow separation point location, and leading edge stagnation point location and flow separation point location. The method further comprises calculating a velocity flow field for the body using a critical point potential flow methodology and calculating flow performance characteristics.
摘要翻译：提供了一种用于计算在一组流体流动条件下浸入流体中的物体的流动性能特性的方法。该方法包括提供身体表面的几何描述并确定流体流动条件的集合。流体流动条件的组合包括从迎角和前缘停滞点位置，迎角和流分离点位置以及前缘停滞点位置和流分离点位置组成的组合集合中选出的组合。该方法还包括使用临界点势流法和计算流动性能特征来计算身体的速度流场。

6. 发明申请

WO2005089212A2 SYSTEM AND METHOD FOR CLOSED LOOP CONTROL OF BOUNDARY LAYER SHEAR STRESS 审中-公开
标题翻译：边界层剪切应力闭环控制系统与方法
公开(公告)号：WO2005089212A2
公开(公告)日：2005-09-29
申请号：PCT/US2005/008145
申请日：2005-03-11
申请人： TAO OF SYSTEMS INTEGRATION, INC. , MANGALAM, Siva, M.
发明人： MANGALAM, Siva, M.
IPC分类号： G01M9/00
CPC分类号： G01M9/06 , B64C23/005 , B64D43/02 , F15D1/0065 , F15D1/008 , Y02T50/166
摘要： A system is provided for controlling boundary layer shear stress adjacent a surface over which a fluid stream has been established. The system comprises a boundary layer control device adapted for altering at least one flow characteristic within a boundary layer in a selected region of the surface. The system further comprises a shear stress measurement system comprising a hot film sensor arrangement having at least one hot film sensor element appliable to the surface in the selected region. The at least one hot film sensor element is connected to an anemometer circuit configured to provide a sensor signal corresponding to heat transfer from the associated hot film sensor to the fluid stream. The system also comprises a control module in communication with the anemometer arrangement and the boundary layer control device. The control module is adapted for receiving and processing sensor signals signal from the anemometer circuit and for providing input signals to the boundary layer control device.
摘要翻译：提供了一种用于控制邻近流体流已经建立的表面的边界层剪切应力的系统。该系统包括边界层控制装置，其适于在表面的选定区域中改变边界层内的至少一个流动特性。该系统还包括剪切应力测量系统，其包括热膜传感器装置，其具有可应用于所选区域中的表面的至少一个热膜传感器元件。所述至少一个热膜传感器元件连接到风速计电路，所述风速计电路被配置为提供对应于从相关联的热膜传感器到所述流体流的热传递的传感器信号。该系统还包括与风速计布置和边界层控制装置通信的控制模块。控制模块适用于从风速计电路接收和处理传感器信号信号，并向边界层控制装置提供输入信号。

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