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公开(公告)号：EP3696533A1
公开(公告)日：2020-08-19
申请号：EP19213531.7
申请日：2019-12-04
Applicant: ROSEMOUNT AEROSPACE INC.
Inventor： HUYNH, Cuong Tho , ANDERSON, Kaare Josef
Abstract: Apparatus and associated methods relate to determining metrics of a cloud atmosphere (14) using time difference measurements. A light projector projects a pulse of light into a cloud atmosphere, and a light sensor detects a portion of the projected pulse of light backscattered by the cloud atmosphere. A backscatter coefficient is calculated based on peak amplitude of the detected portion. An optical extinction coefficient is calculated based on a time difference between a peak time and a post-peak time, which correspond to times at which the peak amplitude of the detected portion occurs and at which the detected portion equals or crosses a sub-peak threshold, respectively. In some embodiments, a logarithm amplifier is used to facilitate processing of signals of widely varying amplitudes. In some embodiments, the sub-peak threshold is calculated as a fraction of the peak amplitude of the detected portion.
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公开(公告)号：EP3351967A2
公开(公告)日：2018-07-25
申请号：EP18152834.0
申请日：2018-01-22
Applicant: Rosemount Aerospace Inc.
Inventor： RAY, Mark , ANDERSON, Kaare Josef
CPC classification number: G01N15/0211 , B64D15/20 , G01N21/49 , G01N2015/0026 , G01S7/4811 , G01S7/4815 , G01S7/4818 , G01S17/95 , G01W1/00 , Y02A90/19
Abstract: Apparatus and associated methods relate to determining a size and/or density of Super-cooled Large Droplets (SLDs) in a cloud atmosphere by comparing detected optical signals reflected from small and large sampling volumes of a cloud atmosphere. In some embodiments, an optical pulse is generated and divergently projected from a first optical fiber. A collimating lens (30) is aligned within the divergently projected optical pulse collimating a portion thereof. The collimated and uncollimated portions of the optical pulse are projected into the small and large sampling volumes of the cloud atmosphere, respectively. The ratio of the collimated to the uncollimated portions can be optically controlled. Signals corresponding to optical pulses having different collimated/uncollimated ratios are backscattered by the cloud atmosphere, detected and compared to one another. A processor is configured to calculate, based on scintillation spike differences between the optical pulses of different collimated/uncollimated ratios, a size and/or density of SLDs.
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公开(公告)号：EP3285090A3
公开(公告)日：2018-02-28
申请号：EP17186894.6
申请日：2017-08-18
Applicant: Rosemount Aerospace Inc.
Inventor： RAY, Mark , ANDERSON, Kaare Josef , MILLER, Mark Sherwood
IPC: G01S17/95 , G01S7/481 , G01S7/483 , G01S13/86 , G01S13/95 , G01S7/02 , G01S7/28 , H01P1/161 , B64D15/20 , G01S7/499 , H01Q13/02
CPC classification number: G01S17/95 , B64D15/20 , G01S7/026 , G01S7/28 , G01S7/4818 , G01S7/483 , G01S7/499 , G01S13/865 , G01S13/953 , H01P1/161 , H01P1/173 , H01Q5/22 , H01Q13/02 , Y02A90/18 , Y02A90/19
Abstract: Apparatus and associated methods relate to determining, based on a detected portion of a projected pulse of quasi-optical energy backscattered by water particles within a divergent projection volume of a cloud atmosphere, properties of the backscattering water particles. The pulse of quasi-optical energy is projected into the divergent projection volume of the cloud atmosphere (12). The divergent projection volume is defined by an axis of projection and an angle of projection about the axis of projection. The portion of the projected pulse of optical energy backscattered by water particles within the divergent projection volume of the cloud atmosphere is received and detected. Various properties of the backscattering water particles, which can be determined from the detected portion of the projected pulse backscattered by water particles can include particle density and/or particle size.
Abstract translation: 装置和相关方法涉及基于在云气氛的发散投影体积内由水粒子背散射的准光学能量的投影脉冲的检测部分来确定反向散射水粒子的性质。 准光能脉冲投射到云气氛（12）的发散投影体积中。 发散投影体积由投影轴线和围绕投影轴线的投影角度限定。 接收并检测在云气氛的发散投影体积内由水粒子背散射的投影光能脉冲部分。 可以从由水粒子反向散射的投影脉冲的检测部分确定的后向散射水粒子的各种性质可以包括粒子密度和/或粒度。
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公开(公告)号：EP4513172A1
公开(公告)日：2025-02-26
申请号：EP24195218.3
申请日：2024-08-19
Applicant: ROSEMOUNT AEROSPACE INC.
Inventor： LINCOLN, David L. , RAY, Mark D. , JACKSON, Darren G. , ANDERSON, Kaare Josef , CASTILLO-GARZA, Jose-Rodrigo , GORSKI, Michael T.
Abstract: A system includes an optical ice detection (OID) sub-system (102) optically coupled to light collection optics (108). A water vapor differential absorption LIDAR (WV-DIAL) sub-system (104) is optically coupled to the OlD laser source or light collection optics. The OID sub-system and the WV-DIAL sub-system share at least a portion of an optical path of the light source or through the light collection optics. The OID sub-system, the WV-DIAL sub-system, and the illumination and light collection optics can all be aboard an aircraft. A method includes using a set of illumination and light collection optics abord an aircraft to obtain data indicative of optical ice detection (OID) and water vapor differential absorption LIDAR (WV-DIAL), e.g. to detect contrail forming conditions for the aircraft and/or predict persistence of contrails from the aircraft.
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公开(公告)号：EP4438483A1
公开(公告)日：2024-10-02
申请号：EP24165096.9
申请日：2024-03-21
Applicant: Rosemount Aerospace Inc.
Inventor： LoPRESTO, Vincent R. , RAY, Mark D. , ANDERSON, Kaare Josef
CPC classification number: G01S2007/497520130101 , B64D15/20 , G01N2021/15720130101
Abstract: A method includes checking an optical detector (102) with a field of view for degradation by: directing the optical detector (102) to a surface of an object in the field of view, wherein the surface is positioned at a given distance from the optical detector (102), and wherein the surface has a known reflectance; detecting an optical return from the surface with the optical detector (102) to generate a return signal; and determining whether the return signal is representative of a degraded signal. The method includes outputting an alert for maintenance action if the return signal is indicative of a degraded signal.
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Patent Agency Ranking16.发明公开
公开(公告)号：EP4067910A1
公开(公告)日：2022-10-05
申请号：EP22165490.8
申请日：2022-03-30
Applicant: ROSEMOUNT AEROSPACE INC.
Inventor： ANDERSON, Kaare Josef , ESSAWY, Magdi
Abstract: Apparatus and associated methods relate to predicting failure and/or estimating remaining useful life of an air-data-probe heater. Failure is predicted or useful life is estimated based on an electrical metric of the electrical operating power provided to a resistive heating element of the air-data-probe heater. The electrical metric of the air data probe heater is one or more of: i) phase relation between voltage across the resistive heating element and leakage current, which is conducted from the resistive heating element to a conductive sheath surrounding the resistive heating element; ii) a time-domain profile of leakage current through the heating element insulation during a full power cycle; and/or iii) high-frequency components of the electrical current conducted by the resistive heating element and/or the voltage across the resistive heating element.
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公开(公告)号：EP3783333A1
公开(公告)日：2021-02-24
申请号：EP19216111.5
申请日：2019-12-13
Applicant: ROSEMOUNT AEROSPACE INC.
Inventor： RAY, Mark , ALEXANDER, Jennifer M. , ANDERSON, Kaare Josef , JACKSON, Darren G.
Abstract: Apparatus and associated methods relate to determining an effective size, quantity, shape, and type of water particles in a cloud atmosphere based on differences in amplitudes of optical signals backscattered at different backscattering angles. Off-axis backscattering - backscattering at angles other than 180 degrees - is affected by the effective size, quantity, shape, and type of water droplets. Detected amplitudes of optical signals that are backscattered at different angles are used to indicate the effective size, quantity, shape, and type of water particles in the cloud atmosphere. In some embodiments, optical emitters and detectors are configured to measure amplitudes of optical signals backscattered at backscattering angles of both on-axis - 180 degrees - and off-axis varieties.
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公开(公告)号：EP3351966B1
公开(公告)日：2019-12-25
申请号：EP18152500.7
申请日：2018-01-19
Applicant: Rosemount Aerospace Inc.
Inventor： RAY, Mark , ANDERSON, Kaare Josef
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公开(公告)号：EP3351966A3
公开(公告)日：2018-08-08
申请号：EP18152500.7
申请日：2018-01-19
Applicant: Rosemount Aerospace Inc.
Inventor： RAY, Mark , ANDERSON, Kaare Josef
Abstract: Apparatus and associated methods relate to determining a size and/or density of Super-cooled Large Droplets (SLDs) in a cloud atmosphere by comparing detected optical signals reflected from small and large sampling volumes of a cloud atmosphere. In some embodiments, an optical pulse is generated and divergently projected from a first optical fiber. A collimating lens is aligned within the divergently projected optical pulse collimating a portion thereof. The collimated and uncollimated portions of the optical pulse are projected into the small and large sampling volumes of the cloud atmosphere, respectively. The ratio of the collimated to the uncollimated portions can be optically controlled. Signals corresponding to optical pulses having different collimated/uncollimated ratios are backscattered by the cloud atmosphere, detected and compared to one another. A processor is configured to calculate, based on scintillation spike differences between the optical pulses of different collimated/uncollimated ratios, a size and/or density of SLDs.
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公开(公告)号：EP3179254A1
公开(公告)日：2017-06-14
申请号：EP16201353.6
申请日：2016-11-30
Applicant: Rosemount Aerospace Inc.
CPC classification number: B64D43/02 , G01C21/165 , G01P5/16 , G01P13/025 , G01P21/025 , G06N3/04 , G07C5/0808
Abstract: The method according to the invention includes receiving, over an aircraft data communications bus, a plurality of non-pneumatic inputs corresponding to aircraft operational parameters. The method further includes processing the plurality of non-pneumatic inputs through an artificial intelligence network to generate an air data output value, and outputting the air data output value to a consuming system for use when a pneumatic-based air data output value is determined to be unreliable.
Abstract translation: 根据本发明的方法包括通过飞行器数据通信总线接收与飞行器操作参数相对应的多个非气动输入。 该方法还包括通过人造智能网络处理多个非气动输入，以产生空气数据输出值，并将空气数据输出值输出到消耗系统，以在将基于气动的空气数据输出值确定为 不可靠
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