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    • 10. 发明授权
    • Method for robust wireless wind turbine condition monitoring
    • 强大的无线风力发电机状态监测方法
    • US09249781B2
    • 2016-02-02
    • US13341291
    • 2011-12-30
    • Christoph LangPeter VolkmerMurat SenelVivek JainLakshmi VenkatramanHuang Lee
    • Christoph LangPeter VolkmerMurat SenelVivek JainLakshmi VenkatramanHuang Lee
    • F03D7/04
    • F03D7/047F03D7/048F05B2270/111F05B2270/326Y02E10/723
    • A wind turbine condition monitoring system and method are disclosed where the wind turbines include a tower, a gearbox coupled to the tower, and turbine blades coupled to the gearbox. The monitoring system includes blade sensors coupled to the blades, a hub node coupled to the gearbox and a controller. The controller is in communication with the hub node and blade sensors, and determines blade positions based on blade sensor readings. The blade sensors and hub node can include multi-axis accelerometers. The controller can wirelessly communicate with the blade sensors directly or through the hub node. Using position information, shadowing areas with obstructed communication can be avoided, node separation can be accounted for to reduce power requirements and/or interference from multiple transmitters can be avoided during node communications.
    • 公开了一种风力涡轮机状况监测系统和方法,其中风力涡轮机包括塔架,联接到塔架的齿轮箱和联接到齿轮箱的涡轮机叶片。 监测系统包括耦合到叶片的叶片传感器,耦合到齿轮箱的轮毂节点和控制器。 控制器与集线器节点和刀片传感器通信,并根据刀片传感器读数确定刀片位置。 叶片传感器和轮毂节点可以包括多轴加速度计。 控制器可以直接或通过集线器节点与刀片传感器无线通信。 使用位置信息,可以避免阻碍通信的阴影区域,可以考虑节点分离以减少功率需求,并且可以在节点通信期间避免多个发射机的干扰。