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    • 1. 发明授权
    • Wireless networks for highly dependable applications
    • 用于高可靠性应用的无线网络
    • US09408250B2
    • 2016-08-02
    • US12246370
    • 2008-10-06
    • Yunjung YiVicraj T. ThomasKelly P. MuldoonMichael R. Franceschini
    • Yunjung YiVicraj T. ThomasKelly P. MuldoonMichael R. Franceschini
    • H04W4/00H04W84/18G01D21/00G08C17/02H04W74/04
    • H04W84/18G01D21/00G08C17/02G08C2201/40G08C2201/50G08C2201/63H04W74/04
    • A wireless communication system comprises one or more control units operable to transmit control signals, a plurality of actuators responsive to the control signals, and a plurality of sensors operable to transmit sensor data used by the one or more control units in generating the control signals. Each of the sensors, actuators, and one or more control units are located at a fixed position in the system relative to one another. Each of the plurality of sensors and each of the plurality of actuators are coupled to at least one of the one or more control units via a plurality of wireless paths. Each of the plurality of sensors are operable to transmit the sensor data in an assigned time slot to at least one of the one or more control units over a plurality of wireless channels in each of the plurality of wireless paths. The number of channels in each of the plurality of wireless paths is determined based, at least in part, on a worst-case estimate of potential interference, and each of the plurality of sensors is operable to pseudo-randomly switch the plurality of channels over which the sensor data is transmitted.
    • 无线通信系统包括一个或多个控制单元,可操作以传送控制信号,响应于控制信号的多个致动器,以及多个传感器,可操作以传送一个或多个控制单元在生成控制信号时使用的传感器数据。 传感器,致动器和一个或多个控制单元中的每一个位于相对于彼此的系统中的固定位置。 多个传感器中的每一个和多个致动器中的每一个经由多个无线路径耦合到一个或多个控制单元中的至少一个。 多个传感器中的每一个可操作以通过多个无线路径中的每一个中的多个无线信道将分配的时隙中的传感器数据传送到一个或多个控制单元中的至少一个控制单元。 至少部分地基于潜在干扰的最坏情况估计来确定多个无线路径中的每一个中的信道数,并且多个传感器中的每一个可操作用于将多个信道伪随机切换 传感器数据传输。
    • 4. 发明申请
    • WIRELESS NETWORKS FOR HIGHLY DEPENDABLE APPLICATIONS
    • 无线网络高度可靠的应用
    • US20090097468A1
    • 2009-04-16
    • US12246370
    • 2008-10-06
    • Yunjung YiVicraj T. ThomasKelly P. MuldoonMichael R. Franceschini
    • Yunjung YiVicraj T. ThomasKelly P. MuldoonMichael R. Franceschini
    • H04J3/00
    • H04W84/18G01D21/00G08C17/02G08C2201/40G08C2201/50G08C2201/63H04W74/04
    • A wireless communication system comprises one or more control units operable to transmit control signals, a plurality of actuators responsive to the control signals, and a plurality of sensors operable to transmit sensor data used by the one or more control units in generating the control signals. Each of the sensors, actuators, and one or more control units are located at a fixed position in the system relative to one another. Each of the plurality of sensors and each of the plurality of actuators are coupled to at least one of the one or more control units via a plurality of wireless paths. Each of the plurality of sensors are operable to transmit the sensor data in an assigned time slot to at least one of the one or more control units over a plurality of wireless channels in each of the plurality of wireless paths. The number of channels in each of the plurality of wireless paths is determined based, at least in part, on a worst-case estimate of potential interference, and each of the plurality of sensors is operable to pseudo-randomly switch the plurality of channels over which the sensor data is transmitted.
    • 无线通信系统包括一个或多个控制单元,可操作以传送控制信号,响应于控制信号的多个致动器,以及多个传感器,可操作以传送一个或多个控制单元在生成控制信号时使用的传感器数据。 传感器,致动器和一个或多个控制单元中的每一个位于相对于彼此的系统中的固定位置。 多个传感器中的每一个和多个致动器中的每一个经由多个无线路径耦合到一个或多个控制单元中的至少一个。 多个传感器中的每一个可操作以通过多个无线路径中的每一个中的多个无线信道将分配的时隙中的传感器数据传送到一个或多个控制单元中的至少一个控制单元。 至少部分地基于潜在干扰的最坏情况估计来确定多个无线路径中的每一个中的信道数,并且多个传感器中的每一个可操作用于将多个信道伪随机切换 传感器数据传输。
    • 5. 发明授权
    • Transponder-based beacon transmitter for see and avoid of unmanned aerial vehicles
    • 基于发射机的信标发射机,用于查看和避免无人机
    • US07969346B2
    • 2011-06-28
    • US12246644
    • 2008-10-07
    • Michael R. FranceschiniDavid W. MeyersKelly P. Muldoon
    • Michael R. FranceschiniDavid W. MeyersKelly P. Muldoon
    • G08G5/04G01S13/00G01S13/74
    • G01S13/782G01S13/765G01S13/9303H04W4/046
    • A transponder-based beacon transmitter system in an unmanned aerial vehicle is provided. The transponder-based beacon transmitter system comprises a global positioning system interface communicatively coupled to receive position information indicative of a current location of the unmanned aerial vehicle, a message formatter communicatively coupled to the global positioning system interface, and a transponder-based beacon transmitter. The message formatter formats vehicle identification of the unmanned aerial vehicle and the position information indicative of the current location of the unmanned aerial vehicle into an automatic dependent surveillance broadcast mode-select squitter message. The message formatter operates in one of a military mode, a National Airspace System mode, and a combined military/National Airspace System mode. The transponder-based beacon transmitter transmits the automatic dependent surveillance broadcast mode-select squitter messages from the unmanned aerial vehicle. Receivers in the vicinity of the unmanned aerial vehicle receive unsolicited vehicle identification and location of the unmanned aerial vehicle.
    • 提供了一种无人机中的基于应答器的信标发射机系统。 基于应答器的信标发射机系统包括通信地耦合以接收指示无人驾驶飞行器的当前位置的位置信息的全球定位系统接口,通信地耦合到全球定位系统接口的消息格式化器,以及基于应答器的信标发射机。 消息格式化器将无人机的车辆识别和指示无人驾驶飞行器的当前位置的位置信息形成为自动依赖监视广播模式选择脉冲消息。 信息格式化器以军事模式,国家空域系统模式和军事/国家空域系统组合模式运行。 基于应答器的信标发射机从无人驾驶飞行器发送自动相关监视广播模式选择脉冲信号。 无人驾驶飞机附近的接收器接收无人驾驶飞行器的未经请求的车辆识别和位置。
    • 6. 发明申请
    • TRANSPONDER-BASED BEACON TRANSMITTER FOR SEE AND AVOID OF UNMANNED AERIAL VEHICLES
    • 基于TRANSPONDER的信号发射机,用于查看和避免无人驾驶的航空器
    • US20100085236A1
    • 2010-04-08
    • US12246644
    • 2008-10-07
    • Michael R. FranceschiniDavid W. MeyersKelly P. Muldoon
    • Michael R. FranceschiniDavid W. MeyersKelly P. Muldoon
    • G01S13/93
    • G01S13/782G01S13/765G01S13/9303H04W4/046
    • A transponder-based beacon transmitter system in an unmanned aerial vehicle is provided. The transponder-based beacon transmitter system comprises a global positioning system interface communicatively coupled to receive position information indicative of a current location of the unmanned aerial vehicle, a message formatter communicatively coupled to the global positioning system interface, and a transponder-based beacon transmitter. The message formatter formats vehicle identification of the unmanned aerial vehicle and the position information indicative of the current location of the unmanned aerial vehicle into an automatic dependent surveillance broadcast mode-select squitter message. The message formatter operates in one of a military mode, a National Airspace System mode, and a combined military/National Airspace System mode. The transponder-based beacon transmitter transmits the automatic dependent surveillance broadcast mode-select squitter messages from the unmanned aerial vehicle. Receivers in the vicinity of the unmanned aerial vehicle receive unsolicited vehicle identification and location of the unmanned aerial vehicle.
    • 提供了一种无人机中的基于应答器的信标发射机系统。 基于应答器的信标发射机系统包括通信地耦合以接收指示无人驾驶飞行器的当前位置的位置信息的全球定位系统接口,通信地耦合到全球定位系统接口的消息格式化器,以及基于应答器的信标发射机。 消息格式化器将无人机的车辆识别和指示无人驾驶飞行器的当前位置的位置信息形成为自动依赖监视广播模式选择脉冲消息。 信息格式化器以军事模式,国家空域系统模式和军事/国家空域系统组合模式运行。 基于应答器的信标发射机从无人驾驶飞行器发送自动相关监视广播模式选择脉冲信号。 无人驾驶飞机附近的接收器接收无人驾驶飞行器的未经请求的车辆识别和位置。