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    • 1. 发明授权
    • Electricity generating shock absorbers
    • 发电减震器
    • US08941251B2
    • 2015-01-27
    • US13812959
    • 2011-02-14
    • Lei ZuoXiudong TangPei Sheng Zhang
    • Lei ZuoXiudong TangPei Sheng Zhang
    • H02K41/00H02K41/02B60G17/06F16F15/03
    • H02K35/02B60G13/14B60G17/06B60G2300/60F16F6/00F16F15/03H02K15/03H02K15/08H02K41/02Y10T29/49009
    • An electricity generating shock absorber includes a coil assembly having a length of electrically conducting material wrapped around an outside perimeter, and along a length, of a hollow tube formed of electrically resistant material; a magnet unit formed of at least one annular axial magnet; a central shaft having a magnetic reluctance on which a plurality of the magnet units are mounted, the central shaft dimensioned for insertion through a central opening of the at least one annular axial magnet, the central shaft combined with the plurality of magnet units forming a magnet assembly dimensioned to slideably insert into a central cavity of the hollow tube; and a cylindrical shell having a first end attached to a terminal end of the magnet assembly, the cylindrical shell extending a length of the magnet assembly, the cylindrical shell having an inner diameter sized to slideably accommodate an outside diameter of the coil assembly.
    • 发电减震器包括线圈组件,该线圈组件具有围绕外周围缠绕的长度的导电材料,并且沿着长度形成由电阻材料形成的中空管; 由至少一个环形轴向磁体形成的磁体单元; 具有磁阻的中心轴,其上安装有多个磁体单元,所述中心轴的尺寸设计成用于插入通过所述至少一个环形轴向磁体的中心开口,所述中心轴与所述多个磁体单元组合形成磁体 组件的尺寸设计成可滑动地插入到中空管的中心空腔中; 以及圆柱形壳体,其具有附接到所述磁体组件的终端的第一端,所述圆柱形壳体延伸所述磁体组件的一定长度,所述圆柱形壳体具有尺寸适于可滑动地容纳所述线圈组件的外径的内径。
    • 4. 发明申请
    • Multistage Force Amplification of Piezoelectric Stacks
    • 压电堆的多段力扩张
    • US20120119620A1
    • 2012-05-17
    • US13293846
    • 2011-11-10
    • Tian-Bing XUEmilie J. SIOCHILei ZUOXiaoning JIANGJin Ho KANG
    • Tian-Bing XUEmilie J. SIOCHILei ZUOXiaoning JIANGJin Ho KANG
    • H01L41/00
    • H02N2/043H02N2/186
    • Embodiments of the disclosure include an apparatus and methods for using a piezoelectric device, that includes an outer flextensional casing, a first cell and a last cell serially coupled to each other and coupled to the outer flextensional casing such that each cell having a flextensional cell structure and each cell receives an input force and provides an output force that is amplified based on the input force. The apparatus further includes a piezoelectric stack coupled to each cell such that the piezoelectric stack of each cell provides piezoelectric energy based on the output force for each cell. Further, the last cell receives an input force that is the output force from the first cell and the last cell provides an output apparatus force In addition, the piezoelectric energy harvested is based on the output apparatus force. Moreover, the apparatus provides displacement based on the output apparatus force.
    • 本公开的实施例包括一种用于使用压电装置的装置和方法,该装置和方法包括外张力壳体,第一单元和最后一个单元,它们彼此串联连接并耦合到外部弯曲壳体,使得每个单元具有弯曲单元结构 并且每个单元接收输入力并提供基于输入力而被放大的输出力。 该装置还包括耦合到每个单元的压电堆叠,使得每个单元的压电叠层基于每个单元的输出力提供压电能量。 此外,最后一个单元接收作为来自第一单元的输出力的输入力,并且最后一个单元提供输出设备的力。此外,所收集的压电能量基于输出设备的力。 此外,该装置基于输出装置的力提供位移。
    • 5. 发明授权
    • Active control vibration isolation using dynamic manifold
    • 主动控制振动隔离采用动态歧管
    • US07216018B2
    • 2007-05-08
    • US10878669
    • 2004-06-28
    • Lei ZuoJean-Jacques E. Slotine
    • Lei ZuoJean-Jacques E. Slotine
    • G05B13/02G05D19/00
    • G05B5/01G05D19/02
    • A controller f or multi-DOF active vibration isolation accounts for plant uncertainties and payload disturbances using dynamic frequency-shaped sliding control. Modal decomposition rewrites a multi-DOF vibration control problem as a combination of modal problems. Modal parameters can be extracted. Target frequency-domain performance, e.g., a skyhook, is recast as a frequency-shaped sliding surface. Boundary layer approximation is examined. Skyhook can be robustly achieved. The manifold is also extends to adaptive vibration isolation without model reference. Nonlinear target dynamics of the same order as the plant can be attained. Control can be achieved without measuring excitation or knowing mass, stiffness and damping matrices. Control for plants subject to disturbances other than vibration can be achieved for any that can be described by equations the same character as those that describe mechanical dynamic systems. The target dynamics can be any, even non-linear.
    • 控制器f或多自由度主动隔振使用动态频率滑动控制来解决工厂不确定性和有效载荷扰动。 模态分解重写了多自由度振动控制问题,作为模态问题的组合。 可以提取模态参数。 目标频域性能,例如天钩,被重新称为频率形状的滑动表面。 检查边界层近似。 Skyhook可以强力实现。 歧管还扩展到自适应振动隔离,无需模型参考。 可以达到与工厂相同顺序的非线性目标动力学。 可以在不测量激励或了解质量,刚度和阻尼矩阵的情况下实现控制。 对于受振动以外的扰动的植物的控制可以通过与描述机械动力系统的方程相同的等式描述的任何方法来实现。 目标动态可以是任何甚至非线性的。
    • 6. 发明授权
    • Multistage force amplification of piezoelectric stacks
    • 压电堆的多级力放大
    • US09048759B2
    • 2015-06-02
    • US13293846
    • 2011-11-10
    • Tian-Bing XuEmilie J. SiochiLei ZuoXiaoning JiangJin Ho Kang
    • Tian-Bing XuEmilie J. SiochiLei ZuoXiaoning JiangJin Ho Kang
    • H01L41/00H02N2/04H02N2/18
    • H02N2/043H02N2/186
    • Embodiments of the disclosure include an apparatus and methods for using a piezoelectric device, that includes an outer flextensional casing, a first cell and a last cell serially coupled to each other and coupled to the outer flextensional casing such that each cell having a flextensional cell structure and each cell receives an input force and provides an output force that is amplified based on the input force. The apparatus further includes a piezoelectric stack coupled to each cell such that the piezoelectric stack of each cell provides piezoelectric energy based on the output force for each cell. Further, the last cell receives an input force that is the output force from the first cell and the last cell provides an output apparatus force In addition, the piezoelectric energy harvested is based on the output apparatus force. Moreover, the apparatus provides displacement based on the output apparatus force.
    • 本公开的实施例包括一种用于使用压电装置的装置和方法,该装置和方法包括外张力壳体,第一单元和最后一个单元,它们彼此串联连接并耦合到外部弯曲壳体,使得每个单元具有弯曲单元结构 并且每个单元接收输入力并提供基于输入力而被放大的输出力。 该装置还包括耦合到每个单元的压电堆叠,使得每个单元的压电叠层基于每个单元的输出力提供压电能量。 此外,最后一个单元接收作为来自第一单元的输出力的输入力,并且最后一个单元提供输出设备的力。此外,所收集的压电能量基于输出设备的力。 此外,该装置基于输出装置的力提供位移。
    • 9. 发明申请
    • Active control vibration isolation using dynamic manifold
    • 主动控制振动隔离采用动态歧管
    • US20050256613A1
    • 2005-11-17
    • US10878669
    • 2004-06-28
    • Lei ZuoJean-Jacques Slotine
    • Lei ZuoJean-Jacques Slotine
    • G05B5/01G05B13/00G05B15/00G05B21/00G05D19/02G05D23/00
    • G05B5/01G05D19/02
    • A robust controller for multi-degree-of-freedom active vibration isolation accounts for plant uncertainties and payload disturbances using frequency-shaped sliding control. Modal decomposition is used to rewrite a multi-degree of freedom vibration control problem as a combination of individual modal control problems in modal coordinates. Modal parameters for decomposition and modelling can be extracted from theoretical or experimental modal analysis. The target frequency-domain performance of isolation, for example a skyhook model, is recast as a frequency-shaped sliding surface. Boundary layer approximation is examined. The ideal skyhook effect can be robustly achieved. The frequency-shaped manifold is also extended to adaptive vibration isolation without model reference, which has been verified by experiments, and demonstrated to be very effective for vibration isolation. Nonlinear target dynamics of the same order as the nominal plant can also be attained. Control can be achieved without measuring the excitation, such as ground motion. Further, performance during the transient stage can be guaranteed. Also, control can be achieved even without knowing the values of entries for mass, stiffness and damping matrices. The methods of controller design can be used to design control for plants subject to disturbances other than only vibration. The plant can be mechanical, electrical, thermal, or any that can be described by system equations that are mathematically of the same character as are those that describe mechanical dynamic systems. The target dynamics need not be skyhook dynamics, but can be any dynamics desired, even non-linear.
    • 用于多自由度主动振动隔离的鲁棒控制器考虑到使用频率滑动控制的植物不确定性和有效载荷扰动。 模态分解用于在模态坐标中将各种模态控制问题的组合重写为多自由度的振动控制问题。 用于分解和建模的模态参数可以从理论或实验模态分析中提取。 隔离的目标频域性能,例如天钩模型,被重新形成为频率形状的滑动表面。 检查边界层近似。 理想的天桥效应可以很好地实现。 频率形歧管也扩展到自适应振动隔离,无需模型参考,这已经通过实验验证,并被证明是非常有效的隔振。 也可以获得与标称植物相同顺序的非线性目标动力学。 可以在不测量地面运动等激励的情况下实现控制。 此外,可以保证在瞬态阶段的性能。 此外,即使不知道质量,刚度和阻尼矩阵的条目的值,也可以实现控制。 控制器设计的方法可用于设计不受振动影响的植物的控制。 该设备可以是机械的,电的,热的或可以由数学上与描述机械动态系统的那些相同的系统方程来描述的。 目标动力学不需要是天空动力学,而是可以是所需的任何动力学,甚至是非线性的。