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    • 2. 发明授权
    • System and method for vibration control in a rotorcraft using an adaptive reference model algorithm
    • 使用自适应参考模型算法在旋翼航空器中进行振动控制的系统和方法
    • US09027873B2
    • 2015-05-12
    • US13202731
    • 2010-03-01
    • David E. Heverly, IIRupinder SinghJohn Pappas
    • David E. Heverly, IIRupinder SinghJohn Pappas
    • G05B21/00B64C27/00F16F15/00G10K11/178
    • B64C27/001B64C2027/004F16F15/002G10K11/17854G10K11/17879G10K11/17883G10K2210/1281G10K2210/3012G10K2210/3055G10K2210/3056
    • The adaptive reference model algorithm uses a gain scheduling feature combined with a customized Least-Squares routine as an adaptive method for adjusting feedback control so as to account for variations in Transfer Function (G), thereby optimizing the effectiveness of the Active Vibration Control (AVC) System. The Least-Squares routine identifies the transfer function in a background process without interruption of closed loop vibration control. This identification approach is accomplished without intentional interrogation of the AVC actuators and without intentional vibration level changes. For this adaptive control logic, the dynamic relationship between AVC actuators and AVC sensors is represented by a mathematical model of Transfer Function (G). The mathematical model of Transfer Function (G) is continuously updated by the Least-Squares routine. A feedback gain (H) is computed from the mathematical model of Transfer Function (G), and the feedback gain (H) is updated each time the mathematical model of Transfer Function (G) is updated.
    • 自适应参考模型算法使用增益调度特征结合定制的最小二乘例程作为调整反馈控制的自适应方法,以便考虑传递函数(G)的变化,从而优化主动振动控制(AVC)的有效性 )系统。 最小二乘法例程在后台程序中识别传递函数,而不会中断闭环振动控制。 该识别方法是在没有有意询问AVC致动器而没有有意的振动水平变化的情况下完成的。 对于这种自适应控制逻辑,AVC执行器和AVC传感器之间的动态关系由传递函数(G)的数学模型表示。 传递函数(G)的数学模型通过最小二乘例程不断更新。 从传递函数(G)的数学模型计算反馈增益(H),并且每当更新传递函数(G)的数学模型时,反馈增益(H)被更新。
    • 3. 发明申请
    • System and Method for Vibration Control in a Rotorcraft Using an Adaptive Reference Model Algorithm
    • 使用自适应参考模型算法在旋翼飞机中进行振动控制的系统和方法
    • US20110303784A1
    • 2011-12-15
    • US13202731
    • 2010-03-01
    • David E. Heverly, IIRupinder SinghJohn Pappas
    • David E. Heverly, IIRupinder SinghJohn Pappas
    • B64C27/54
    • B64C27/001B64C2027/004F16F15/002G10K11/17854G10K11/17879G10K11/17883G10K2210/1281G10K2210/3012G10K2210/3055G10K2210/3056
    • The adaptive reference model algorithm uses a gain scheduling feature combined with a customized Least-Squares routine as an adaptive method for adjusting feedback control so as to account for variations in Transfer Function (G), thereby optimizing the effectiveness of the Active Vibration Control (AVC) System. The Least-Squares routine identifies the transfer function in a background process without interruption of closed loop vibration control. This identification approach is accomplished without intentional interrogation of the AVC actuators and without intentional vibration level changes. For this adaptive control logic, the dynamic relationship between AVC actuators and AVC sensors is represented by a mathematical model of Transfer Function (G). The mathematical model of Transfer Function (G) is continuously updated by the Least-Squares routine. A feedback gain (H) is computed from the mathematical model of Transfer Function (G), and the feedback gain (H) is updated each time the mathematical model of Transfer Function (G) is updated.
    • 自适应参考模型算法使用增益调度特征结合定制的最小二乘例程作为调整反馈控制的自适应方法,以便考虑传递函数(G)的变化,从而优化主动振动控制(AVC)的有效性 )系统。 最小二乘法例程在后台程序中识别传递函数,而不会中断闭环振动控制。 该识别方法是在没有有意询问AVC致动器而没有有意的振动水平变化的情况下完成的。 对于这种自适应控制逻辑,AVC执行器和AVC传感器之间的动态关系由传递函数(G)的数学模型表示。 传递函数(G)的数学模型通过最小二乘例程不断更新。 从传递函数(G)的数学模型计算反馈增益(H),并且每当更新传递函数(G)的数学模型时,反馈增益(H)被更新。
    • 4. 发明申请
    • TOOTHBRUSH SUPPORT SYSTEM
    • 牙刷支持系统
    • US20070267368A1
    • 2007-11-22
    • US11748451
    • 2007-05-14
    • John Pappas
    • John Pappas
    • A47B81/02
    • A47K1/09
    • A mobile support system for toothbrushes and other oral hygiene products for which it is desirable to provide a temporary support system during travel is discussed. A base unit provides a stable base for the portable system. An expandable top section that is located over the base unit provides a number of openings into which the end of a toothbrush or other similarly shaped oral hygiene product may be placed. The openings are configured so as to provide a fit to the end of the toothbrush or other oral hygiene product that is sufficiently tight to keep the toothbrush or other oral hygiene product in an upright vertical position.
    • 讨论了用于在旅行期间提供临时支撑系统的用于牙刷和其它口腔卫生产品的移动支撑系统。 基本单元为便携式系统提供稳定的基座。 位于基座单元上方的可膨胀的顶部部分提供多个开口,牙刷的端部或其它类似形状的口腔卫生产品可以放在其中。 开口被构造成提供与牙刷或其它足够紧密的牙膏或其它口腔卫生产品处于垂直垂直位置的其它口腔卫生产品的端部配合。