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公开(公告)号：US20140363288A1
公开(公告)日：2014-12-11
申请号：US14297136
申请日：2014-06-05
Applicant: Bell Helicopter Textron Inc.
Inventor： Joseph M. Schaeffer , Jignesh Patel , Eric O'Neill
CPC classification number: B64C27/57 , B64C27/46 , G05D1/0858
Abstract: A method of assisting in rotor speed control in a rotorcraft can include measuring a rotor speed with a sensor; detecting a droop in the rotor speed beyond a lower droop limit; and commanding a decrease in collective in response to the rotor speed drooping beyond the lower droop limit. A system of assisting in rotor speed control in a rotorcraft, the system can include: a computer having a control law, the control law operable to generate an increase collective command to an actuator in response to a rotor speed decreasing below a lower droop limit; wherein the lower droop limit is below a normal lower rotor speed range.
Abstract translation: 在旋翼飞机中协助转子速度控制的方法可以包括用传感器测量转子速度; 检测转子速度下降超过较低的下限; 并且响应于转子速度下降超过下限下限而指令集体减少。 一种在旋翼航空器中辅助转子速度控制的系统，所述系统可以包括：具有控制规律的计算机，所述控制规律可操作以响应于转子速度降低到低于下限极限而产生对致动器的增加的集体命令; 其中下部下垂极限低于正常的较低转子速度范围。
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公开(公告)号：US20140361118A1
公开(公告)日：2014-12-11
申请号：US14297114
申请日：2014-06-05
Applicant: Bell Helicopter Textron Inc.
Inventor： Joseph M. Schaeffer , Jignesh Patel , Eric O'Neill
CPC classification number: B64C27/04 , G05D1/0833 , G05D1/0858
Abstract: A method of limiting vertical axis augmentation in a rotorcraft, the method comprising: measuring a torque with a sensor; deriving a comparison of the torque to a lower torque limit, using a computer processor; and adjusting a vertical axis control command based upon the comparison of the torque to the lower torque limit.
Abstract translation: 一种在旋翼航空器中限制垂直轴增大的方法，所述方法包括：用传感器测量扭矩; 使用计算机处理器得到扭矩与较低扭矩极限的比较; 以及基于所述转矩与所述下转矩极限的比较来调整垂直轴控制指令。
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公开(公告)号：US09856017B2
公开(公告)日：2018-01-02
申请号：US14297114
申请日：2014-06-05
Applicant: Bell Helicopter Textron Inc.
Inventor： Joseph M. Schaeffer , Jignesh Patel , Eric O'Neill
CPC classification number: B64C27/04 , G05D1/0833 , G05D1/0858
Abstract: A method of limiting vertical axis augmentation in a rotorcraft, the method comprising: measuring a torque with a sensor; deriving a comparison of the torque to a lower torque limit, using a computer processor; and adjusting a vertical axis control command based upon the comparison of the torque to the lower torque limit.
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Patent Agency Ranking
公开(公告)号：US10392105B2
公开(公告)日：2019-08-27
申请号：US15642279
申请日：2017-07-05
Applicant: Bell Helicopter Textron Inc.
Inventor： Joseph M. Schaeffer , Jignesh Patel , Eric O'Neill
Abstract: A method of assisting in rotor speed control in a rotorcraft can include measuring a rotor speed with a sensor; detecting a droop in the rotor speed beyond a lower droop limit; and commanding a decrease in collective in response to the rotor speed drooping beyond the lower droop limit. A system of assisting in rotor speed control in a rotorcraft, the system can include: a computer having a control law, the control law operable to generate a decrease collective command to an actuator in response to a rotor speed decreasing below a lower droop limit; wherein the lower droop limit is below a normal lower rotor speed range.
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公开(公告)号：US09821908B2
公开(公告)日：2017-11-21
申请号：US14297136
申请日：2014-06-05
Applicant: Bell Helicopter Textron Inc.
Inventor： Joseph M. Schaeffer , Jignesh Patel , Eric O'Neill
CPC classification number: B64C27/57 , B64C27/46 , G05D1/0858
Abstract: A method of assisting in rotor speed control in a rotorcraft can include measuring a rotor speed with a sensor; detecting a droop in the rotor speed beyond a lower droop limit; and commanding a decrease in collective in response to the rotor speed drooping beyond the lower droop limit. A system of assisting in rotor speed control in a rotorcraft, the system can include: a computer having a control law, the control law operable to generate a decrease collective command to an actuator in response to a rotor speed decreasing below a lower droop limit; wherein the lower droop limit is below a normal lower rotor speed range.
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6.发明申请SYSTEM AND METHOD FOR MAXIMIZING AIRCRAFT SAFE LANDING CAPABILITY DURING ONE ENGINE INOPERATIVE OPERATION 审中-公开在一个发动机无效操作期间最大化飞机安全着陆能力的系统和方法公开(公告)号：US20140365039A1
公开(公告)日：2014-12-11
申请号：US14297159
申请日：2014-06-05
Applicant: BELL HELICOPTER TEXTRON INC.
Inventor： Joseph M. Schaeffer , Jignesh Patel , Eric O'Neill
CPC classification number: B64D31/00 , B64C19/00 , B64C27/54 , B64C27/57 , G05D1/0072
Abstract: A method of preserving rotor speed during a one engine inoperative operation of an rotorcraft, the method can include: detecting a failure of a first engine; monitoring an engine parameter associated with a second engine; using a computer processor to compare the engine parameter to an engine limit; and commanding a decrease collective pitch command when the engine parameter is within a predefined range of the engine limit.
Abstract translation: 一种在旋转飞机的一个发动机不工作的操作期间保持转子速度的方法，所述方法可以包括：检测第一发动机的故障; 监测与第二发动机相关联的发动机参数; 使用计算机处理器将发动机参数与发动机限制进行比较; 并且当所述发动机参数在所述发动机限制的预定义范围内时，命令减小集体俯仰命令。
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公开(公告)号：US20170297695A1
公开(公告)日：2017-10-19
申请号：US15642279
申请日：2017-07-05
Applicant: Bell Helicopter Textron Inc.
Inventor： Joseph M. Schaeffer , Jignesh Patel , Eric O'Neill
CPC classification number: B64C27/57 , B64C27/46 , G05D1/0858
Abstract: A method of assisting in rotor speed control in a rotorcraft can include measuring a rotor speed with a sensor; detecting a droop in the rotor speed beyond a lower droop limit; and commanding a decrease in collective in response to the rotor speed drooping beyond the lower droop limit. A system of assisting in rotor speed control in a rotorcraft, the system can include: a computer having a control law, the control law operable to generate a decrease collective command to an actuator in response to a rotor speed decreasing below a lower droop limit; wherein the lower droop limit is below a normal lower rotor speed range.
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8.发明授权System and method for maximizing aircraft safe landing capability during one engine inoperative operation 有权在一个发动机不工作运行期间最大化飞机安全着陆能力的系统和方法公开(公告)号：US09567091B2
公开(公告)日：2017-02-14
申请号：US14297159
申请日：2014-06-05
Applicant: Bell Helicopter Textron Inc.
Inventor： Joseph M. Schaeffer , Jignesh Patel , Eric O'Neill
CPC classification number: B64D31/00 , B64C19/00 , B64C27/54 , B64C27/57 , G05D1/0072
Abstract: A method of preserving rotor speed during a one engine inoperative operation of an rotorcraft, the method can include: detecting a failure of a first engine; monitoring an engine parameter associated with a second engine; using a computer processor to compare the engine parameter to an engine limit; and commanding a decrease collective pitch command when the engine parameter is within a predefined range of the engine limit.
Abstract translation: 一种在旋转飞机的一个发动机不工作的操作期间保持转子速度的方法，所述方法可以包括：检测第一发动机的故障; 监测与第二发动机相关联的发动机参数; 使用计算机处理器将发动机参数与发动机限制进行比较; 并且当所述发动机参数在所述发动机限制的预定义范围内时，命令减小集体俯仰命令。
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