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    • 2. 发明申请
    • AUTOROTATION FLIGHT CONTROL SYSTEM
    • 自动飞行控制系统
    • WO2006076647B1
    • 2007-08-16
    • PCT/US2006001347
    • 2006-01-13
    • SYSTEMS TECHNOLOGY INCBACHELDER EDWARD NLEE DONG-CHANAPONSO BIMAL
    • BACHELDER EDWARD NLEE DONG-CHANAPONSO BIMAL
    • B64C23/00
    • G05D1/105G05D1/0858
    • The present invention provides computer implemented methodology that permits the safe landing and recovery of rotorcraft following engine failure. With this invention successful autorotations may be performed from well within the unsafe operating area of the height- velocity profile of a helicopter by employing the fast and robust real-time trajectory optimization algorithm that commands control motion through an intuitive pilot display, or directly in the case of autonomous rotorcraft. The algorithm generates optimal trajectories and control commands via the direct-collocation optimization method, solved using a nonlinear programming problem solver. The control inputs computed are collective pitch and aircraft pitch, which are easily tracked and manipulated by the pilot or converted to control actuator commands for automated operation during autorotation in the case of an autonomous rotorcraft. The formulation of the optimal control problem has been carefully tailored so the solutions resemble those of an expert pilot, accounting for the performance limitations of the rotorcraft and safety concerns.
    • 本发明提供计算机实现的方法,其允许在发动机故障之后安全着陆和恢复旋翼飞机。 利用本发明,可以通过采用快速且鲁棒的实时轨迹优化算法,在直升机的高度 - 速度分布的不安全操作区域内完成成功的自动转换,其通过直观的飞行员显示来命令控制运动,或直接在直升机 自主旋翼航空器案例 该算法通过直接配置优化方法生成最优轨迹和控制命令,使用非线性规划问题求解器求解。 所计算的控制输入是集体俯仰和飞行器俯仰,它们可以由飞行员轻松跟踪和操纵,或者在自主旋翼航空器的情况下转换成自动运行的控制执行器命令。 精心设计的最优控制问题已经得到了精心的定制,因此解决方案与专家级飞行员的解决方案类似,涉及旋翼航空器的性能限制和安全性问题。
    • 3. 发明申请
    • AUTOROTATION FLIGHT CONTROL SYSTEM
    • 自动飞行控制系统
    • WO2006076647A2
    • 2006-07-20
    • PCT/US2006001347
    • 2006-01-13
    • SYSTEMS TECHNOLOGY INCBACHELDER EDWARD NLEE DONG-CHANAPONSO BIMAL
    • BACHELDER EDWARD NLEE DONG-CHANAPONSO BIMAL
    • G01C23/00
    • G05D1/105G05D1/0858
    • The present invention provides computer implemented methodology that permits the safe landing and recovery of rotorcraft following engine failure. With this invention successful autorotations may be performed from well within the unsafe operating area of the height- velocity profile of a helicopter by employing the fast and robust real-time trajectory optimization algorithm that commands control motion through an intuitive pilot display, or directly in the case of autonomous rotorcraft. The algorithm generates optimal trajectories and control commands via the direct-collocation optimization method, solved using a nonlinear programming problem solver. The control inputs computed are collective pitch and aircraft pitch, which are easily tracked and manipulated by the pilot or converted to control actuator commands for automated operation during autorotation in the case of an autonomous rotorcraft. The formulation of the optimal control problem has been carefully tailored so the solutions resemble those of an expert pilot, accounting for the performance limitations of the rotorcraft and safety concerns.
    • 本发明提供计算机实现的方法,其允许在发动机故障之后安全着陆和恢复旋翼飞机。 利用本发明,可以通过采用快速且鲁棒的实时轨迹优化算法,在直升机的高度 - 速度分布的不安全操作区域内完成成功的自动转换,其通过直观的飞行员显示来命令控制运动,或直接在直升机 自主旋翼航空器案例 该算法通过直接配置优化方法生成最优轨迹和控制命令,使用非线性规划问题求解器求解。 计算出的控制输入是集体俯仰和飞行器俯仰,它们可以由飞行员轻松跟踪和操纵,或者在自主旋翼航空器的情况下转换为自动运行的控制执行器命令。 精心设计的最优控制问题已经得到了精心的定制,因此解决方案与专家级飞行员的解决方案相类似,涉及旋翼航空器的性能限制和安全性问题。
    • 7. 发明申请
    • STEERABLE PARACHUTE CONTROL SYSTEM AND METHOD
    • 可控旁路控制系统及方法
    • WO03053777A9
    • 2004-02-19
    • PCT/US0239121
    • 2002-12-09
    • ATAIR AEROSPACE INC
    • PRESTON DANIEL
    • B64D1/14B64D17/02B64D17/04B64D17/08B64D17/34B64D17/38B64D17/54
    • F42B10/56B64D1/08B64D1/14B64D17/025B64D17/04B64D17/08B64D17/34B64D17/38B64D17/54B64D17/74F42B4/28F42B10/58G05D1/105
    • An autonomous guided parachute system for cargo drops that divides the requirements of guidance and soft landing into separate parachutes. Said invention includes a high wing-loaded ram air parachute for guidance, a larger round parachute for soft landing, a harness/container system, flight computer, position sensors and actuation system. The system is dropped from an airplane, a predetermined period of drogue fall ensures a stable position prior to deploying the guidance parachute. The flight controller determines a heading to intersect with an area substantially above the desired target and controls the guidance parachute via pneumatic actuators connected to the parachutes steering lines to fly on that heading. At a minimum altitude prior to the systems impact with the ground the flight computer transitions the system from the fast high performance guidance parachute to a larger landing parachute by releasing the guidance parachute to static line extract and deploy the landing parachute. If the system reaches a position substantially above target area prior to the parachute transition altitude flight computer controls the system into a spiral dive or other rapid altitude dropping maneuver until the transition altitude is reached. Once transitioned to the landing parachute the system descends for a brief period unguided under the landing parachute until touchdown.
    • 货舱的自主引导降落伞系统,将引导和软着陆的要求分为单独的降落伞。 所述发明包括用于引导的高机翼加载式冲压空气降落伞,用于软着陆的较大圆形降落伞,线束/容器系统,飞行计算机,位置传感器和致动系统。 该系统从飞机上掉下来,在部署导向降落伞之前,预定的锥套下降时间确保了稳定的位置。 飞行控制器确定与基本上高于期望目标的区域相交的航向,并通过连接到降落伞转向线的气动执行器在该航向上飞行来控制引导降落伞。 在系统撞击地面之前的最低高度,飞行计算机将系统从快速高性能指导降落伞转换到较大的降落伞,通过将引导降落伞释放到静态线路提取并部署着陆降落伞。 如果系统在降落伞过渡高度飞行计算机之前达到大致高于目标区域的位置,则控制系统进入螺旋潜水或其他快速高度降落机动,直到达到过渡高度。 一旦过渡到着陆降落伞,该系统在登陆降落伞之前的短暂时间内下降直到达阵。
    • 8. 发明申请
    • STEERABLE PARACHUTE CONTROL SYSTEM AND METHOD
    • 稳定的分析控制系统和方法
    • WO03053777A2
    • 2003-07-03
    • PCT/US0239121
    • 2002-12-09
    • ATAIR AEROSPACE INC
    • PRESTON DANIEL
    • B64D1/14B64D17/02B64D17/04B64D17/08B64D17/34B64D17/38B64D17/54B64D
    • F42B10/56B64D1/08B64D1/14B64D17/025B64D17/04B64D17/08B64D17/34B64D17/38B64D17/54B64D17/74F42B4/28F42B10/58G05D1/105
    • An autonomous guided parachute system for cargo drops that divides the requirements of guidance and soft landing into separate parachutes. Said invention includes a high wing-loaded ram air parachute for guidance, a larger round parachute for soft landing, a harness/container system, flight computer, position sensors and actuation system. The system is dropped from an airplane, a predetermined period of drogue fall ensures a stable position prior to deploying the guidance parachute. The flight controller determines a heading to intersect with an area substantially above the desired target and controls the guidance parachute via pneumatic actuators connected to the parachutes steering lines to fly on that heading. At a minimum altitude prior to the systems impact with the ground the flight computer transitions the system from the fast high performance guidance parachute to a larger landing parachute by releasing the guidance parachute to static line extract and deploy the landing parachute. If the system reaches a position substantially above target area prior to the parachute transition altitude flight computer controls the system into a spiral dive or other rapid altitude dropping maneuver until the transition altitude is reached. Once transitioned to the landing parachute the system descends for a brief period unguided under the landing parachute until touchdown.
    • 用于货物液滴的自动引导式降落伞系统将引导和软着陆的要求划分为不同的降落伞。 所述发明包括用于引导的高机翼载荷冲压空气降落伞,用于软着陆的较大圆形降落伞,吊带/容器系统,飞行计算机,位置传感器和致动系统。 该系统从飞机上掉落,预定时间的降落确保了在部署导引降落伞之前的稳定位置。 飞行控制器确定与基本在所需目标上方的区域相交的航向,并通过连接到降落伞转向线的气动致动器控制引导降落伞在该航向上飞行。 在系统与地面碰撞之前的最低高度,飞行计算机通过将引导降落伞释放到静态线路提取并且部署降落降落伞,将系统从快速高性能引导降落伞转换到较大降落降落伞。 如果在降落伞过渡高度飞行计算机之前系统达到远高于目标区域的位置,则控制系统进入螺旋式潜水或其他快速高度降落操作,直至达到过渡高度。 一旦转换到着陆降落伞,系统下降一段时间,无人指挥着陆降落伞下直到着陆。