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    • 83. 发明公开
    • GROUP SCHEDULED SENSOR DATA ACQUISITION IN A WIRELESS SENSOR SYSTEM
    • EINEM DRAHTLOSEN SENSORSYSTEM中的GRUPPENGEPLANTE SENSORDATENERFASSUNG
    • EP3149896A1
    • 2017-04-05
    • EP15799670.3
    • 2015-05-21
    • Sikorsky Aircraft Corporation
    • CORBIN, Scott Alan
    • H04L12/28
    • H04W4/08H04L67/12H04L67/325H04W4/38H04W56/0015H04W72/12H04W84/18
    • A wireless sensor system includes wireless sensor nodes, each including a sensor interface that interfaces with sensing circuitry, a wireless interface to communicate with a wireless access point, at least one processor, and memory. The memory has instructions stored thereon that, when executed by the at least one processor, cause the wireless sensor node to compare a group identifier received in a message at the wireless interface with a group identifier of the wireless sensor node. Based on determining that the group identifier received matches the wireless sensor node, a start time to trigger is set in the wireless sensor node according to a start time defined in the message. A local clock of the wireless sensor node is monitored. Based on determining that the local clock has reached the start time to trigger, sensor data are acquired through the sensor interface and transmitted on the wireless interface.
    • 无线传感器系统包括无线传感器节点,每个节点包括与感测电路接口的传感器接口,与无线接入点通信的无线接口,至少一个处理器和存储器。 存储器具有存储在其上的指令,当由至少一个处理器执行时,无线传感器节点将在无线接口处的消息中接收到的组标识符与无线传感器节点的组标识符进行比较。 基于确定接收到的组标识与无线传感器节点匹配,根据消息中定义的开始时间在无线传感器节点中设置触发开始时间。 监视无线传感器节点的本地时钟。 基于确定本地时钟已经到达触发的开始时间,传感器数据通过传感器接口获取并在无线接口上传输。
    • 84. 发明公开
    • ROTOR SYSTEM STRUCTURAL FAULT ESTIMATION
    • ROTORSYSTEMSTRUKTURFEHLERSCHÄTZUNG
    • EP3140610A2
    • 2017-03-15
    • EP15803583.2
    • 2015-03-05
    • Sikorsky Aircraft Corporation
    • ISOM, Joshua D.
    • G01B5/28
    • B64C27/006G01L5/0009G01L5/133G01M5/0016G01M5/0041G05B23/0221G05B23/0224G07C5/085
    • One aspect is a structural fault estimation system for a rotor system. The structural fault estimation system includes a plurality of sensors operable to provide a plurality of measured rotor loads and motion of the rotor system. A rotor loads and motion estimator is operable to produce a plurality of estimated rotor loads and motion for the rotor system. A rotor fault estimator is operable to determine residual rotor loads and motion as a difference between the measured rotor loads and motion and the estimated rotor loads and motion, and estimate fault magnitudes for the rotor system using least squares relative to fault models and the residual rotor loads and motion. The structural fault estimation system can perform structural fault estimation in real-time on an aircraft while in operation.
    • 一个方面是用于转子系统的结构故障估计系统。 结构故障估计系统包括可操作以提供多个测量的转子负载和转子系统的运动的多个传感器。 转子负载和运动估计器可操作以产生用于转子系统的多个估计的转子负载和运动。 转子故障估计器可操作以将剩余转子负载和运动确定为所测量的转子负载和运动与估计的转子负载和运动之间的差异,并且使用相对于故障模型的最小二乘法估算转子系统的故障量值,并且剩余转子 负载和运动。 结构故障估计系统可以在运行中对飞机进行实时的结构故障估计。
    • 86. 发明授权
    • DUAL-CHANNEL DEICING SYSTEM FOR A ROTARY WING AIRCRAFT
    • 旋翼式飞机的双通道处理系统
    • EP1871665B1
    • 2017-03-08
    • EP06749001.1
    • 2006-03-31
    • Sikorsky Aircraft Corporation
    • BUDD, Timothy, R.DANIELE, Antonio, G.EISENHAUER, Mark, P.HOULIHAN, MichaelFLEMMING, Robert, J., Jr.
    • B64C27/04B64D15/14B64D15/22H05B1/02
    • B64D15/12B64C27/04B64D15/14B64D15/22H05B1/0236
    • A deicing system includes dual deice system components to provide a redundant deice system. Each redundant portion of the system generally includes a controller, an air data computer, an ice rate controller, and an ice rate probe. The controller communicating a heating cycle which defines a multiple of electric pulse trains to sequentially provides power to a multiple of heating elements in a designated blade set. Each electric pulse train is defined by an element on-time, a null time between the element on-time for this element and the next element, and an off-time between repetition of the heating cycle for the first heater element. The element on-time is a function of outside air temperature (OAT). The off-time is a function of liquid water content. The tail rotor heating cycle is a more straightforward version of the main rotor heating cycle as each of the tail rotor blade are activated simultaneously and there is only a single heating element on each tail rotor blade.
    • 除冰系统包括双除冰系统组件以提供冗余除冰系统。 系统的每个冗余部分通常包括控制器,大气数据计算机,冰速率控制器和冰速率探测器。 控制器传送定义多个电脉冲串的加热循环,以顺序地向指定刀片组中的多个加热元件提供功率。 每个电脉冲序列由元件接通时间,元件接通时间与该元件之间的零时间以及重复第一加热器元件的加热周期之间的断开时间来定义。 元件导通时间是外部空气温度(OAT)的函数。 关闭时间是液态水含量的函数。 尾桨加热循环是主旋翼加热循环的更直接的形式,因为每个尾桨叶片同时被激活,并且每个尾桨叶片上仅有单个加热元件。
    • 88. 发明公开
    • SYSTEM AND METHOD FOR IMPROVED HEALTH MANAGEMENT AND MAINTENANCE DECISION SUPPORT
    • 系统和方法以改进决策支持健康管理与保护
    • EP3126980A2
    • 2017-02-08
    • EP15811394.4
    • 2015-04-02
    • Sikorsky Aircraft Corporation
    • BANDY, IsaacCYCON, James P.ROZAK, James N.DAVIS, Mark W.KACPRZYNSKI, Gregory J.MACKOS, Nicholas A.
    • G06F11/00
    • G07C5/0808G06Q10/20G07C5/006G07C5/008G07C5/0816
    • A method of health management of a monitored system includes collecting component condition indicator data used to calculate a plurality of component health indicators. Component fault severity and potential failure modes are determined utilizing the component condition indicator data. The potential failure modes are ranked in order of likelihood to isolate the failure mode. A system of health management for monitored apparatus includes a fault severity module to derive a plurality of component health indicators from collected component condition indicator data, the plurality of component health indicators indicative of fault severity of a plurality of components. A fault isolation module separately derives a ranked listing of potential fault/failure modes utilizing the component condition indicator data. The system further includes a communication portion to which the plurality of component health indicators and the ranked listing of fault/failure modes are transmitted for review and/or action by cognizant personnel.
    • 被监视的系统的健康管理的一种方法,包括:收集用于计算部件的健康指标的多个分量条件指示符数据。 部件故障严重性和潜在的失效模式是确定性的开采利用该部件状态指示器数据。 潜在的故障模式都排在似然性的顺序以隔离故障模式。 用于监视的装置的健康管理的一种系统包括一个故障严重性模块导出的从部件状态指示符数据,指示的部件的多个故障严重性的组件健康指标。多个收集的组件健康指标复数。 故障隔离模块分别导出潜在故障/故障模式利用所述部件状态指示符数据的排序列表。 该系统包括通信进一步帮助的组成部分卫生指标的多元性和故障/故障模式的排名上市是哪家审查和/或采取行动的人员认识到反式mitted。
    • 89. 发明公开
    • SYSTEM AND METHOD FOR IMPROVED DRIVE SYSTEM DIAGNOSTICS
    • 系统VERFAHRENFÜRVERBESSERTE ANTRIEBSSYSTEMDIAGNOSE
    • EP3126243A1
    • 2017-02-08
    • EP15772472.5
    • 2015-04-02
    • Sikorsky Aircraft Corporation
    • SHELDON, JeremyKASPER, DavidDAVIS, Mark, W.
    • B64D45/00G01M17/00
    • G07C5/00B64D45/00B64D2045/0085G05B23/0221
    • A method of drive system diagnostics of an aircraft includes capturing high load drivetrain component vibration data at select steady-state and/or high-load transient operating conditions of the aircraft and processing the captured vibration data to improve reliability and/or accuracy of the captured vibration data. The processed vibration data is utilized to provide a health assessment of the drivetrain components and achieve earlier detection of incipient faults. A health monitoring system for drivetrain components of an aircraft includes a plurality of vibration sensors positioned at drivetrain components of an aircraft to capture drivetrain component vibration data at transient operating conditions of the aircraft. One or more processing modules process the captured vibration data to improve reliability and/or accuracy of the captured data, and a fault reasoning module calculates a health indicator of the drivetrain components.
    • 一种飞行器的驱动系统诊断方法包括在飞行器的选择的稳态和/或高负载瞬态操作条件下捕获高负载传动系分量振动数据,并处理所捕获的振动数据,以提高捕获振动的可靠性和/或精确度 数据。 经处理的振动数据用于提供传动系组件的健康评估,并能早期检测初期故障。 一种用于飞行器的传动系部件的健康监测系统包括多个位于飞行器的传动系部件上的振动传感器,用于在飞行器的瞬时操作条件下捕获传动系分量振动数据。 一个或多个处理模块处理所捕获的振动数据以提高所捕获数据的可靠性和/或准确性,并且故障推理模块计算传动系统部件的健康指示器。