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    • 1. 发明申请
    • REDUNDANT ACTIVE VIBRATION AND NOISE CONTROL SYSTEMS AND METHODS
    • 冗余有源振动和噪声控制系统和方法
    • WO2015089404A2
    • 2015-06-18
    • PCT/US2014070034
    • 2014-12-12
    • LORD CORP
    • SWANSON DOUGLAS A
    • B64D27/26
    • F16F15/002B06B1/16B64C27/001B64C2027/004G05B15/02
    • Redundant active vibration and noise control systems and methods are provided, which include safety-critical systems and methods. In one embodiment, a safety-critical active vibration control system (SCAVCS) is provided, which includes a plurality of digital buses, a force generator, at least one sensor and at least one system parameter. The at least one force generator is in electronic communication with at least two digital buses. The force generator includes a pair of unbalanced masses, at least one motor, at least one microprocessor, at least one speed sensor, at least one accelerometer, and at least one power input. The at least one sensor is in electronic communication with each of the digital buses and with each of the microprocessors. The at least one system parameter is in electronic communication with each of the digital buses and each of the microprocessors.
    • 提供冗余主动振动和噪声控制系统和方法,其中包括安全关键系统和方法。 在一个实施例中,提供了安全关键的主动振动控制系统(SCAVCS),其包括多个数字总线,力生成器,至少一个传感器和至少一个系统参数。 该至少一个力发生器与至少两个数字总线进行电子通信。 力发生器包括一对不平衡质量块,至少一个电动机,至少一个微处理器,至少一个速度传感器,至少一个加速度计和至少一个功率输入。 至少一个传感器与每个数字总线和每个微处理器进行电子通信。 该至少一个系统参数与每个数字总线和每个微处理器进行电子通信。
    • 3. 发明申请
    • HELICOPTER HUB MOUNTED VIBRATION CONTROL AND CIRCULAR FORCE GENERATION SYSTEMS FOR CANCELING VIBRATIONS
    • 直升机HUB安装振动控制和循环发电系统取消振动
    • WO2009126626A2
    • 2009-10-15
    • PCT/US2009039773
    • 2009-04-07
    • LORD CORPJOLLY MARK RMEYERS ANDREW DMELLINGER DANIELIVERS DOUGLAS EBADRE-ALAM ASKARISWANSON DOUGLAS AALTIERI RUSSEL E
    • JOLLY MARK RMEYERS ANDREW DMELLINGER DANIELIVERS DOUGLAS EBADRE-ALAM ASKARISWANSON DOUGLAS AALTIERI RUSSEL E
    • B64C27/00
    • B64C27/001B64C2027/003B64C2027/005
    • A rotary wing aircraft including a vehicle vibration control system. The vehicle vibration control system includes a rotating hub mounted vibration control system, the rotating hub mounted vibration control system mounted to the rotating rotary wing hub with the rotating hub mounted vibration control system rotating with the rotating rotary wing hub. The vehicle vibration control system includes a rotary wing aircraft member sensor for outputting rotary wing aircraft member data correlating to the relative rotation of the rotating rotary wing hub member rotating relative to the nonrotating body, at least a first nonrotating body vibration sensor, the at least first nonrotating body vibration sensor outputting at least first nonrotating body vibration sensor data correlating to vibrations, at least a first nonrotating body circular force generator, the at least a first nonrotating body circular force generator fixedly coupled with the nonrotating body, a distributed force generation data communications network link, the distributed force generation data communications system network link linking together at least the first nonrotating body circular force generator and the rotating hub mounted vibration control system wherein the rotating hub mounted vibration control system and the first nonrotating body circular force generator communicate force generation vibration control data through the distributed force generation data communications network, the at least first nonrotating body circular force generator controlled to produce a rotating force with a controllable rotating force magnitude and a controllable rotating force phase, the controllable rotating force magnitude controlled from a minimal force magnitude up to a maximum force magnitude, and with the controllable rotating force phase controlled in reference to the rotary wing aircraft member sensor data correlating to the relative rotation of the rotating rotary wing hubrotating relative to the nonrotating body wherein the vibration sensed by the at least first nonrotating body vibration sensor is reduced.
    • 一种包括车辆振动控制系统的旋翼飞机。 车辆振动控制系统包括旋转轮毂安装的振动控制系统,旋转轮毂安装的振动控制系统安装到旋转的旋翼轮毂上,旋转轮毂安装的振动控制系统与旋转的旋翼轮毂一起旋转。 车辆振动控制系统包括旋转翼飞行器构件传感器,用于输出与旋转的旋翼轮毂构件相对于非旋转体相对旋转相关的旋转翼飞行器构件数据,至少第一非旋转体振动传感器,至少 第一非旋转体振动传感器,至少输出与振动相关的第一非旋转体振动传感器数据,至少第一非旋转体圆周力产生器,与所述非旋转体固定连接的所述至少第一非旋转体圆周力产生器,分布力产生数据 通信网络链路,分布式力产生数据通信系统网络链路至少连接在第一非旋转体圆周力产生器和旋转轮毂安装的振动控制系统之间,其中旋转毂安装的振动控制系统和第一非旋转体圆周力产生器com 通过分布式力产生数据通信网络发出振动控制数据,所述至少第一非旋转体圆周力产生器被控制以产生具有可控旋转力大小和可控旋转力相位的旋转力,所述可控旋转力幅度由 相对于与旋转的旋转旋翼相对于非旋转体的旋转旋翼相对旋转的旋转翼飞行器构件传感器数据来控制可控旋转力相位,其中由 所述至少第一非旋转体振动传感器被减小。