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    • 1. 发明申请
    • AN APPARATUS AND A METHOD OF MEASURING EROSION OF AN EDGE OF A TURBOMACHINE AEROFOIL
    • 一种装置和一种测量涡轮机AEROFOIL边缘腐蚀的方法
    • WO2010003512A1
    • 2010-01-14
    • PCT/EP2009/004314
    • 2009-06-16
    • ROLLS-ROYCE PLCROBINSON, CraigROCHE, StephenFEE, ConallBAUER, David
    • ROBINSON, CraigROCHE, StephenFEE, ConallBAUER, David
    • G01B11/24F01D5/14
    • G01B11/24F01D5/005F01D5/141F01D25/285F02K3/04F04D27/0292F05D2230/80F05D2240/121F05D2240/303
    • An apparatus (40) for measuring erosion of an edge (32) of an aerofoil portion (30) of a fan blade (26) comprises a laser source (42) to direct light at a position on the edge (32) of the fan blade (26). A detector (44) detects light reflected from the position on the edge (32) of the fan blade (26). A computer (480 measures the distance from the laser source (42) to points on the edge (32) of the fan blade (26) to produce a profile of the edge (32) in terms of x and z coordinates. The computer (48) calculates the radial distances of points on the edge (32) of the fan blade (26) from a centroid of the profile. The computer (48) detects local peaks (P) in the distance of points from the centroid of the profile. The computer (48) selects two local peaks (P1, P2) with the greatest distance there between. The computer (48) determines the distance (D1) between the two local peaks (P1, P2) and compares the determined distance (D1) and a predetermined distance to determine if there is unacceptable erosion.
    • 用于测量风扇叶片(26)的机翼部分(30)的边缘(32)的侵蚀的装置(40)包括激光源(42),以将光引导到风扇的边缘(32)上的位置 刀片(26)。 检测器(44)检测从风扇叶片(26)的边缘(32)上的位置反射的光。 计算机(480)测量从激光源(42)到风扇叶片(26)的边缘(32)上的点的距离,以便根据x和z坐标产生边缘(32)的轮廓。计算机 计算机(48)根据轮廓的质心计算出风扇叶片(26)的边缘(32)上的点的径向距离,计算机(48)从轮廓的质心点的距离中检测局部峰值(P) 计算机(48)选择距离最远的两个局部峰值(P1,P2),计算机(48)确定两个局部峰值(P1,P2)之间的距离(D1),并将确定的距离(D1 )和预定距离以确定是否存在不可接受的侵蚀。
    • 5. 发明申请
    • CONTEXT MONITORING FOR REMOTE SENSOR PLATFORMS
    • 远程传感器平台的背景监控
    • WO2008020223A1
    • 2008-02-21
    • PCT/GB2007/003136
    • 2007-08-16
    • CIRCUITREE LIMITEDROBINSON, CraigLAM, Ee, Beng
    • ROBINSON, CraigLAM, Ee, Beng
    • G08B29/18
    • G08B29/181G01S19/16G08B13/14H04L67/025H04L67/12H04M1/72538H04M2250/10H04M2250/12H04W52/0251Y02D70/1224Y02D70/142Y02D70/144Y02D70/162Y02D70/164
    • A remote sensor platform for asset tracking monitors the context of the local environment to conserve power. Primary sensors (2) monitor local environment stimuli such as temperature (4), pressure or illumination (8). A low-power processor (16) uses the primary sensors (2) to monitor the environment and thereby determine whether to activate a secondary high power sensor (10), such as a GPS unit (12) or humidity or gas sensor (14). The low power processor may be triggered by the primary sensors (2) and may use configurable rules (22) for decision making. It may log exceptions (24) and sensor data for further decision making. A high-power processor (28) sends sensor data via a reporting means (34) to a server (40) using secondary configurable rules (3) conditionally on the primary (2) and secondary (10) sensor inputs. The server (40) can update the rules (22,30).
    • 用于资产跟踪的远程传感器平台监控当地环境的上下文以节省电力。 主传感器(2)监测当地环境的刺激,如温度(4),压力或照度(8)。 低功率处理器(16)使用主传感器(2)来监测环境,从而确定是否激活诸如GPS单元(12)或湿度或气体传感器(14)的次级高功率传感器(10) 。 低功率处理器可以由主传感器(2)触发,并且可以使用可配置规则(22)进行决策。 它可以记录异常(24)和传感器数据以进一步决策。 高功率处理器(28)通过有偿地在主(2)和次传感器输入上的次级可配置规则(3)经由报告装置(34)将传感器数据发送到服务器(40)。 服务器(40)可以更新规则(22,30)。