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23 条记录 (耗时 0.039 秒)

    Redundant Ethernet packet network management
    1.
    发明申请
    Redundant Ethernet packet network management 失效
    冗余以太网分组网管理

    公开(公告)号：US20060253613A1

    公开(公告)日：2006-11-09

    申请号：US11346955

    申请日：2006-02-03

    申请人： Kevin Leary ,  John Thomas ,  Gary Johnson

    发明人： Kevin Leary ,  John Thomas ,  Gary Johnson

    IPC分类号： G06F15/16

    CPC分类号： H04L41/0816 ,  H04L12/403 ,  H04L12/423 ,  H04L41/00 ,  H04L41/0806 ,  H04L69/14 ,  H04L69/40

    摘要： Methods and systems for configuring nodes in a redundant network configuration include identifying a master node from a plurality of nodes in the network by sending a configuration packet to each node. The configuration packet includes an identification number representing the node in the network from which the configuration packet originates, where each node in the network has a unique identification number. At each node in the network, the identification number in the configuration packet is compared to an identification number for that node. In one embodiment, the node whose identification number is greater than the identification number in the configuration packet is designated the master node. A virtual break is created in the network at the location of the master node to prevent a packet from returning to the node from which it originates.

    摘要翻译： 用于在冗余网络配置中配置节点的方法和系统包括通过向每个节点发送配置分组来从网络中的多个节点识别主节点。 配置分组包括表示网络中由配置分组发起的节点的标识号，网络中的每个节点具有唯一的标识号。 在网络中的每个节点，将配置包中的标识号与该节点的标识号进行比较。 在一个实施例中，将标识号大于配置包中的标识号的节点指定为主节点。 在主节点的位置，在网络中创建虚拟中断，以防止数据包返回到其发起的节点。

    Unmanned aerial vehicle(UAV) recovery system
    3.
    发明授权
    Unmanned aerial vehicle(UAV) recovery system 有权
    无人机（UAV）恢复系统

    公开(公告)号：US08464981B2

    公开(公告)日：2013-06-18

    申请号：US12931230

    申请日：2011-01-26

    申请人： James Goldie ,  Nicholas Vitale ,  George A. Downey ,  Kevin Leary ,  William Hafer

    发明人： James Goldie ,  Nicholas Vitale ,  George A. Downey ,  Kevin Leary ,  William Hafer

    IPC分类号： B64F1/00

    CPC分类号： B64F1/02 ,  B64C39/024 ,  B64C2201/021 ,  B64C2201/182 ,  B64C2201/187

    摘要： A UAV recovery system including a recovery cart; a guide mechanism for defining the path of the cart; a base station for capturing a UAV tailhook; a momentum transfer system driven by the inertia of the UAV through the arresting member to move the recovery cart along the guide mechanism away from the base station in the same direction as the UAV; an acceleration control device for converging the speeds and positions of the UAV and cart for enabling engagement of the cart and UAV as their relative speeds approach zero; and a brake system for stopping the recovery cart when the cart and UAV are engaged. Also disclosed is a UAV having a tailhook pivotably mounted on the UAV at the center of gravity of the UAV.

    摘要翻译： 包括恢复车的无人机恢复系统; 用于限定推车路径的引导机构; 用于捕获无人机尾钩的基站; 动力传递系统由无人机通过阻挡构件的惯性驱动，以沿着与UAV相同的方向沿导向机构移动回收车辆远离基站; 加速控制装置，用于会聚无人机和推车的速度和位置，以使得能够在其相对速度接近零时使卡车和无人机接合; 以及用于在推车和UAV接合时停止回收车的制动系统。 还公开了一种具有可枢转地安装在无人机的重心的UAV上的尾钩的UAV。

    Integrated magnetic levitation and rotation system
    8.
    发明授权
    Integrated magnetic levitation and rotation system 有权
    集成磁悬浮和旋转系统

    公开(公告)号：US6049148A

    公开(公告)日：2000-04-11

    申请号：US166064

    申请日：1998-10-02

    申请人： Stephen B. Nichols ,  Shankar Jagannathan ,  Kevin Leary ,  David Eisenhaure ,  William Stanton ,  Richard Hockney ,  James Downer ,  Vijay Gondhalekar

    发明人： Stephen B. Nichols ,  Shankar Jagannathan ,  Kevin Leary ,  David Eisenhaure ,  William Stanton ,  Richard Hockney ,  James Downer ,  Vijay Gondhalekar

    IPC分类号： H02K17/08 ,  F16C39/06 ,  H01L21/687 ,  H02K7/09 ,  H02K17/12 ,  H02K17/30 ,  H02K19/10 ,  H02K21/38 ,  H02K11/00

    CPC分类号： H01L21/68792 ,  F16C32/0448 ,  F16C32/047 ,  F16C32/0493 ,  H02K21/44 ,  H02K7/09 ,  H02K17/12

    摘要： A rotary motor and a rotary magnetic bearing are integrated in a compact assembly that is contact-less. A stator assembly surrounds a ferromagnetic rotor with an annular air gap which can accommodate a cylindrical wall, e.g. of a chamber for semiconductor wafer processing. The stator assembly has a permanent magnet or magnets sandwiched between vertically spaced magnetic stator plates with plural pole segments. The rotor is preferably a ring of a magnetic stainless steel with complementary pole teeth. The stator assembly (i) levitates and passively centers the rotor along a vertical axis and against tilt about either horizontal axis, (ii) provides a radial position bias for the rotor, and (iii) establishes a motor flux field at the rotor poles. Polyphase coils wound on the stator plates produce a rotating flux field that drives the rotor as a synchronous homopolar motor. A rotor without pole teeth allows operation with an asynchronous inductive drive. A controller energizes control coils wound on each stator pole segment in response to a sensed physical position of the rotor. The control coils provide active radial position control and can actively damp tip and tilt oscillations that may overcome the passive centering.

    摘要翻译： 旋转电机和旋转磁性轴承集成在一个无接触的紧凑组件中。 定子组件围绕铁磁转子，其具有可容纳圆柱形壁的环形空气间隙，例如， 的半导体晶片处理室。 定子组件具有夹在具有多个极段的垂直间隔的磁性定子板之间的永磁体或磁体。 转子优选为具有互补极齿的磁性不锈钢的环。 定子组件（i）使转子沿垂直轴线悬浮和被动地居中并且绕着水平轴线倾斜，（ii）为转子提供径向位置偏压，（iii）在转子极点处建立电动机磁通场。 缠绕在定子板上的多相线圈产生旋转磁通场，其驱动转子作为同步单极电动机。 无极齿的转子允许使用异步感应驱动器进行操作。 控制器响应于感测到的转子的物理位置而激励缠绕在每个定子极段上的控制线圈。 控制线圈提供主动的径向位置控制，并且可以主动地抑制可能克服被动对中的尖端和倾斜振荡。