Constant vertical state maintaining cueing system
First Claim
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1. A constant vertical state maintaining cueing system for a vehicle comprising:
- an inceptor having a minimum inceptor position and a maximum inceptor position;
an airspeed sensor generating an airspeed signal;
at least one attitude sensor generating an attitude signal;
a vertical velocity sensor generating a vertical velocity signal;
a torque sensor generating a torque signal; and
a controller electrically coupled to said airspeed sensor, said at least one attitude sensor, said vertical velocity sensor and said torque sensor, said controller determining at least one vertical inceptor position for maintaining a constant vertical state in response to said vertical velocity signal and said torque signal and generating a cueing signal for maintaining said constant vertical state in response to said airspeed signal, said attitude signal, said minimum inceptor position, and said maximum inceptor position.
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Abstract
This invention relates to the concept of managing the rate of change of energy in a helicopter or other aeronautical vehicle. The invention uses energy management calculations to determine the maximum longitudinal and lateral inputs that can be made while still enabling the vehicle to maintain a desired vertical state. The results of the calculations can be cued to the pilot either tactilely, aurally, or visually, or used for internal software limiting.
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Citations
20 Claims
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1. A constant vertical state maintaining cueing system for a vehicle comprising:
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an inceptor having a minimum inceptor position and a maximum inceptor position; an airspeed sensor generating an airspeed signal; at least one attitude sensor generating an attitude signal; a vertical velocity sensor generating a vertical velocity signal; a torque sensor generating a torque signal; and a controller electrically coupled to said airspeed sensor, said at least one attitude sensor, said vertical velocity sensor and said torque sensor, said controller determining at least one vertical inceptor position for maintaining a constant vertical state in response to said vertical velocity signal and said torque signal and generating a cueing signal for maintaining said constant vertical state in response to said airspeed signal, said attitude signal, said minimum inceptor position, and said maximum inceptor position. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A constant vertical state maintaining cueing system for a vehicle comprising:
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an inceptor having a minimum inceptor position and a maximum inceptor position; an airspeed sensor generating an airspeed signal; at least one attitude sensor generating an attitude signal; and a controller electrically coupled to said airspeed sensor and said at least one attitude sensor, determining at least one vertical inceptor position to maintain a constant vertical state and generating a cueing signal to maintain said constant vertical state in response to said airspeed signal, said attitude signal, said minimum inceptor position, and said maximum inceptor position; wherein said controller in generating said cueing signal determines pitch attitudes and roll attitudes using conservation of energy based relationships and thrust and gravitational force based relationships.
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15. A system for determining the maximum acceleration and deceleration limits that can be achieved on either the longitudinal or lateral axis of an aeronautical vehicle while maintaining a constant vertical state, said vehicle having a vertical control inceptor said system comprising:
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a plurality of vehicle performance sensors; and a controller that calculates the vertical control inceptor position required to maintain a desired vertical state, and the maximum and minimum allowable vertical control inceptor positions for desired operation of the vehicle that allow maintaining said vertical state, wherein said minimum and maximum vertical inceptor positions are based on predictions of vehicle performance and further, wherein the desired vertical state is selected from the coup consisting of holding constant altitude, holding constant vertical velocity and holding constant flight path angle. - View Dependent Claims (16, 17, 18, 19, 20)
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Specification