SYSTEM AND METHOD FOR DETECTING ICE ACCRETION ON A ROTOR OF AN AIRCRAFT

    公开(公告)号:US20240262512A1

    公开(公告)日:2024-08-08

    申请号:US18191579

    申请日:2023-03-28

    IPC分类号: B64D15/20

    CPC分类号: B64D15/20

    摘要: A system for detecting ice accretion on a rotor of an aircraft includes a processing system that is configured to: receive torque data indicative of actual torque supplied from an electric motor to the rotor; implement a model of the electric motor and the rotor that determines an estimated torque that should be supplied from the electric motor to the rotor; compute a load on the rotor from the actual torque and the estimated torque; compare the computed load to a predetermined magnitude; and when the computed load exceeds the predetermined magnitude, generate an alert that indicates ice is accreting on the rotor.

    Method and system for ice detection

    公开(公告)号:US12024300B2

    公开(公告)日:2024-07-02

    申请号:US16700770

    申请日:2019-12-02

    发明人: Jeffrey Stewart

    IPC分类号: B64D15/20 G01N27/02

    CPC分类号: B64D15/20 G01N27/02

    摘要: A system including an apparatus for determining the presence of ice on an external surface of a structure is provided. The apparatus includes a sensor that includes first and second parallel ink or paint conductive traces separated by a gap. The apparatus also includes a circuit configured to measure the impedance or change in impedance between the first and second parallel ink or paint conductive traces.

    Machine-learning-based predictive ice detection

    公开(公告)号:US11922331B2

    公开(公告)日:2024-03-05

    申请号:US17003012

    申请日:2020-08-26

    摘要: Systems and methods for machine-learning-based aircraft icing prediction use supervised and unsupervised learning to process real-time environmental data, such as onboard measurements of outside air temperature and dew point, to predict a risk of icing and determine whether to issue an icing risk alert to an onboard crewmember or a remote operator, and/or to recommend an icing avoidance maneuver. The systems and methods can use reinforcement learning to generate a confidence metric in the predicted risk of icing, to determine a time or distance to predicting icing, and/or to not issue an alert or recommend a maneuver in consideration of historical data in a “library of learning” and/or other flight data such as airspeed, altitude, time of year, and weather conditions. The predictive systems and methods are low-cost and low-power, do not require onboard weather radar, and can be effective for use in smaller aircraft that are completely icing-intolerant.

    ADJUSTABLE ICE PROTECTION SYSTEM PARTING STRIP

    公开(公告)号:US20230166849A1

    公开(公告)日:2023-06-01

    申请号:US17537611

    申请日:2021-11-30

    IPC分类号: B64D15/14 B64D15/20

    CPC分类号: B64D15/14 B64D15/20

    摘要: An electrothermal ice protection system (IPS) installed on an aircraft includes a sensor, a parting strip assembly, and a controller. The sensor monitors a direction of a local incident airflow that is imparted on the sensor. The parting strip assembly is coupled to the critical surface and includes a plurality of heating sections. The controller is in signal communication with the sensor and the parting strip assembly. The controller determines a direction of surface airflow incident on a critical surface of the aircraft based on the local incident airflow and selectively concentrates power to at least one targeted heating section among the plurality of heating sections with respect to non-targeted heating sections among the plurality of heating sections based on the direction of the surface airflow.

    ICING DETECTION USING TEMPERATURE DATA FROM AN EXTERNAL DATA SOURCE

    公开(公告)号:US20220267014A1

    公开(公告)日:2022-08-25

    申请号:US17181964

    申请日:2021-02-22

    IPC分类号: B64D15/20 G01S13/95

    摘要: In some examples, a system includes a receiver configured to receive temperature data for a region of airspace from a data source external to the vehicle. The system also includes processing circuitry configured to determine one or more moisture values for the region of airspace based on radar returns received by a weather radar onboard the vehicle. The processing circuitry is further configured to determine a potential for icing at a location within the region of airspace based on the one or more moisture values and further based on the temperature data received from the data source. The processing circuitry is also configured to generate an output based on the determined potential for icing at the location.

    BLENDED OPTICAL AND VANE SYNTHETIC AIR DATA ARCHITECTURE

    公开(公告)号:US20220161933A1

    公开(公告)日:2022-05-26

    申请号:US16953807

    申请日:2020-11-20

    IPC分类号: B64D15/20 G01P5/26

    摘要: An optical ice detector and airspeed probe includes an ice detection module and an airspeed module. The ice detection module detects the presence or absence of ice, water, or ice and water particles, and the airspeed module determines a line-of-sight speed along a directional vector, each based on backscatter light returns emitted from a common collimated light source. An electronics module determines an airspeed of an aircraft based on the line-of-sight speed determined by the airspeed module and at least one aircraft parameter received from the air data system.