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公开(公告)号：US20160023776A1
公开(公告)日：2016-01-28
申请号：US14339206
申请日：2014-07-23
Applicant: Honeywell International Inc.
Inventor： Subhabrata Ganguli , Dale Frederick Enns , Xiahong Linda Li
Abstract: Systems and methods for airspeed estimation using actuation signals are provided. In one embodiment, an on-board avionics airspeed estimation system is provided. The system comprises: a flight control surface for an aircraft; a control surface actuator coupled to the flight control surface, wherein the control surface actuator receives an actuator control output signal from an actuator control system and drives the flight control surface into a position based on the actuator control output signal; a wind estimator coupled to a plurality of aircraft sensors, wherein the plurality of aircraft sensors output a set of aircraft measurements to the wind estimator and wherein the actuator control output signal is further provided to the wind estimator; wherein the wind estimator calculates a wind speed estimate by applying the actuator control output and the set of aircraft measurements to an onboard aircraft model.
Abstract translation: 提供使用致动信号进行空速估计的系统和方法。 在一个实施例中，提供了一种车载航空电子飞行速度估计系统。 该系统包括：飞机的飞行控制面; 控制表面致动器，其耦合到所述飞行控制表面，其中所述控制表面致动器接收来自致动器控制系统的致动器控制输出信号，并且基于所述致动器控制输出信号将所述飞行控制表面驱动到位置; 耦合到多个飞行器传感器的风力估计器，其中所述多个飞行器传感器将一组飞行器测量值输出到所述风力估计器，并且其中所述致动器控制输出信号进一步提供给所述风力估计器; 其中所述风力估计器通过将所述致动器控制输出和所述一组飞行器测量值应用于机载飞行器模型来计算风速估计。
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2.发明申请ENHANCED OUTLIER REMOVAL FOR 8 POINT ALGORITHM USED IN CAMERA MOTION ESTIMATION 有权用于摄像机运动估计中使用的8点算法的增强输出器去除公开(公告)号：US20150125027A1
公开(公告)日：2015-05-07
申请号：US14073645
申请日：2013-11-06
Applicant: Honeywell International Inc.
Inventor： Michael Ray Elgersma , Subhabrata Ganguli
IPC: G06T7/20
Abstract: A method to filter outliers in an image-aided motion-estimation system is provided. The method includes selecting eight-image-points in a first image received from a moving imaging device at at least one processor; selecting eight-image-points in a second image that correspond to the selected eight-image-points in the first image at the at least one processor, the second image being received from the moving imaging device; scaling the selected image-points at the at least one processor so the components of the selected image-points are between two selected values on the order magnitude of 1; building an 8-by-9 matrix (A) from the scaled selected image-points at the at least one processor; determining a condition number for the 8-by-9 matrix at the at least one processor; and rejecting the 8-by-9 matrix built from the selected image-points when the determined condition number is greater than or equal to a condition-number threshold.
Abstract translation: 提供了一种在图像辅助运动估计系统中过滤异常值的方法。 该方法包括：在至少一个处理器上从运动成像装置接收的第一图像中选择八个图像点; 在所述至少一个处理器中选择对应于所述第一图像中的所选择的八个图像点的第二图像中的八个图像点，从所述移动成像装置接收所述第二图像; 在所述至少一个处理器上缩放所选择的图像点，使得所选择的图像点的分量在1的量级上的两个选定值之间; 在所述至少一个处理器上从经缩放的所选择的图像点构建8×9矩阵（A）; 确定所述至少一个处理器处的8×9矩阵的条件数; 并且当确定的条件数大于或等于条件数阈值时，拒绝从所选择的图像点构建的8乘9矩阵。
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3.发明授权Enhanced outlier removal for 8 point algorithm used in camera motion estimation 有权用于相机运动估计的8点算法的增强异常值去除公开(公告)号：US09378555B2
公开(公告)日：2016-06-28
申请号：US14073645
申请日：2013-11-06
Applicant: Honeywell International Inc.
Inventor： Michael Ray Elgersma , Subhabrata Ganguli
Abstract: A method to filter outliers in an image-aided motion-estimation system is provided. The method includes selecting eight-image-points in a first image received from a moving imaging device at at least one processor; selecting eight-image-points in a second image that correspond to the selected eight-image-points in the first image at the at least one processor, the second image being received from the moving imaging device; scaling the selected image-points at the at least one processor so the components of the selected image-points are between two selected values on the order magnitude of 1; building an 8-by-9 matrix (A) from the scaled selected image-points at the at least one processor; determining a condition number for the 8-by-9 matrix at the at least one processor; and rejecting the 8-by-9 matrix built from the selected image-points when the determined condition number is greater than or equal to a condition-number threshold.
Abstract translation: 提供了一种在图像辅助运动估计系统中过滤异常值的方法。 该方法包括：在至少一个处理器上从运动成像装置接收的第一图像中选择八个图像点; 在所述至少一个处理器中选择对应于所述第一图像中的所选择的八个图像点的第二图像中的八个图像点，从所述移动成像装置接收所述第二图像; 在所述至少一个处理器上缩放所选择的图像点，使得所选择的图像点的分量在1的量级上的两个选定值之间; 在所述至少一个处理器上从经缩放的所选择的图像点构建8×9矩阵（A）; 确定所述至少一个处理器处的8×9矩阵的条件数; 并且当确定的条件数大于或等于条件数阈值时，拒绝从所选择的图像点构建的8乘9矩阵。
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公开(公告)号：US20160010992A1
公开(公告)日：2016-01-14
申请号：US14326025
申请日：2014-07-08
Applicant: Honeywell International Inc.
Inventor： Subhabrata Ganguli , Michael Ray Elgersma
CPC classification number: G01C19/56 , G01C25/005 , G01P15/02
Abstract: Systems and methods for inertial reference system alignment are provided. In certain embodiments, a system comprises an inertial reference system, the inertial reference system providing motion measurements; and a processing system coupled to receive the motion measurements from the inertial reference system. Further, the processing system is configured to execute instructions that direct the processing system to identify one or more frequencies in the spectrum of the motion measurements that are associated with vibrations; attenuate the motion measurements at the one or more frequencies; and use the attenuated measurements to aid in the production of navigation information.
Abstract translation: 提供了惯性参考系统对准的系统和方法。 在某些实施例中，系统包括惯性参考系统，惯性参考系统提供运动测量; 以及耦合以从惯性参考系统接收运动测量的处理系统。 此外，处理系统被配置为执行指令，其指导处理系统识别与振动相关联的运动测量的频谱中的一个或多个频率; 在一个或多个频率衰减运动测量; 并使用衰减测量来帮助制作导航信息。
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Patent Agency Ranking
公开(公告)号：US09909872B2
公开(公告)日：2018-03-06
申请号：US14326025
申请日：2014-07-08
Applicant: Honeywell International Inc.
Inventor： Subhabrata Ganguli , Michael Ray Elgersma
CPC classification number: G01C19/56 , G01C25/005 , G01P15/02
Abstract: Systems and methods for inertial reference system alignment are provided. In certain embodiments, a system comprises an inertial reference system, the inertial reference system providing motion measurements; and a processing system coupled to receive the motion measurements from the inertial reference system. Further, the processing system is configured to execute instructions that direct the processing system to identify one or more frequencies in the spectrum of the motion measurements that are associated with vibrations; attenuate the motion measurements at the one or more frequencies; and use the attenuated measurements to aid in the production of navigation information.
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6.发明申请公开(公告)号：US20160195398A1
公开(公告)日：2016-07-07
申请号：US14590604
申请日：2015-01-06
Applicant: Honeywell International Inc.
Inventor： Subhabrata Ganguli
CPC classification number: G01C21/18 , B64C19/00 , G01C25/005
Abstract: A method to level an inertial reference system of a helicopter with reference to the local vertical frame is provided. The method includes powering up the helicopter; outputting sensor data from at least one gyroscope and at least one accelerometer to a mode-selecting processor; executing a fast Fourier transform algorithm on the sensor data at the mode-selecting processor; and selecting one of a plurality of operation modes of the helicopter as a current-operation mode based on the execution of the fast Fourier transform algorithm.
Abstract translation: 提供了一种参考局部垂直框架来对直升机的惯性参考系进行调平的方法。 该方法包括启动直升机; 将至少一个陀螺仪和至少一个加速度计的传感器数据输出到模式选择处理器; 对模式选择处理器的传感器数据执行快速傅里叶变换算法; 并且基于快速傅立叶变换算法的执行，选择直升机的多种操作模式之一作为当前操作模式。
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公开(公告)号：US09880003B2
公开(公告)日：2018-01-30
申请号：US14590604
申请日：2015-01-06
Applicant: Honeywell International Inc.
Inventor： Subhabrata Ganguli
CPC classification number: G01C21/18 , B64C19/00 , G01C25/005
Abstract: A method to level an inertial reference system of a helicopter with reference to the local vertical frame is provided. The method includes powering up the helicopter; outputting sensor data from at least one gyroscope and at least one accelerometer to a mode-selecting processor; executing a fast Fourier transform algorithm on the sensor data at the mode-selecting processor; and selecting one of a plurality of operation modes of the helicopter as a current-operation mode based on the execution of the fast Fourier transform algorithm.
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公开(公告)号：US09428279B2
公开(公告)日：2016-08-30
申请号：US14339206
申请日：2014-07-23
Applicant: Honeywell International Inc.
Inventor： Subhabrata Ganguli , Dale Frederick Enns , Xiahong Linda Li
Abstract: Systems and methods for airspeed estimation using actuation signals are provided. In one embodiment, an on-board avionics airspeed estimation system is provided. The system comprises: a flight control surface for an aircraft; a control surface actuator coupled to the flight control surface, wherein the control surface actuator receives an actuator control output signal from an actuator control system and drives the flight control surface into a position based on the actuator control output signal; a wind estimator coupled to a plurality of aircraft sensors, wherein the plurality of aircraft sensors output a set of aircraft measurements to the wind estimator and wherein the actuator control output signal is further provided to the wind estimator; wherein the wind estimator calculates a wind speed estimate by applying the actuator control output and the set of aircraft measurements to an onboard aircraft model.
Abstract translation: 提供使用致动信号进行空速估计的系统和方法。 在一个实施例中，提供了一种车载航空电子飞行速度估计系统。 该系统包括：飞机的飞行控制面; 控制表面致动器，其耦合到所述飞行控制表面，其中所述控制表面致动器接收来自致动器控制系统的致动器控制输出信号，并且基于所述致动器控制输出信号将所述飞行控制表面驱动到位置; 耦合到多个飞行器传感器的风力估计器，其中所述多个飞行器传感器将一组飞行器测量值输出到所述风力估计器，并且其中所述致动器控制输出信号进一步提供给所述风力估计器; 其中所述风力估计器通过将所述致动器控制输出和所述一组飞行器测量值应用于机载飞行器模型来计算风速估计。
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公开(公告)号：US08560149B1
公开(公告)日：2013-10-15
申请号：US13623850
申请日：2012-09-20
Applicant: Honeywell International Inc.
Inventor： Subhabrata Ganguli , Kevin D. Vanderwerf , Kent Stange , Scot Griffith
IPC: G06F19/00
CPC classification number: G05D1/0083 , G01C23/005
Abstract: Systems and methods for takeoff assistance and analysis are provided. In one embodiment, a takeoff ground roll assist system for an aircraft comprises: a runway centerline estimator, wherein the runway centerline estimator generates a virtual runway centerline estimate for a runway based on coordinates for the runway from a runway database; an (Inertial Navigation System) INS Output Filter and Fault Detector wherein the filtering of navigation measurements from an on-board inertial navigation system, using a runway centerline start point as established by activation of a pilot operated start point sensor occurs, a centerline tracking estimator coupled to receive a filtered output of the on-board inertial navigation system from the INS output filter and fault detector and to receive the virtual centerline estimate from the runway centerline estimator, wherein the centerline tracking estimator generates a centerline tracking feedback signal that varies as a function of a difference between an aircraft look-ahead point and the virtual runway centerline; and a takeoff criteria evaluator coupled to the runway centerline estimator and the centerline tracking estimator, wherein the takeoff criteria evaluator estimates a lateral deviation between the aircraft and an actual runway centerline for the runway based on an estimated navigation error component, the runway database error component, and a centerline tracking error component.
Abstract translation: 提供起飞辅助和分析的系统和方法。 在一个实施例中，用于飞行器的起飞地面滚动辅助系统包括：跑道中心线估计器，其中跑道中心线估计器基于跑道数据库的跑道的坐标生成跑道的虚拟跑道中线估计; （惯性导航系统）INS输出滤波器和故障检测器，其中使用通过激活导频操作的起始点传感器所建立的跑道中心线起始点来从车载惯性导航系统过滤导航测量值，中心线跟踪估计器 耦合以从INS输出滤波器和故障检测器接收车载惯性导航系统的滤波输出并从跑道中心线估计器接收虚拟中心线估计，其中中心线跟踪估计器产生中心线跟踪反馈信号，该中心线跟踪反馈信号作为 航空器前视点与虚拟跑道中心线之间的差异的功能; 以及耦合到跑道中心线估计器和中心线跟踪估计器的起飞标准评估器，其中起飞标准评估器基于估计的导航误差分量来估计飞机与跑道的实际跑道中心线之间的横向偏差，跑道数据库错误分量 ，以及中心线跟踪误差分量。
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