Flight control of an airborne vehicle at low velocity
First Claim
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1. A control system for controlling an airborne vehicle at a time of low aerodynamic moment, the control system comprising:
- a. a plurality of actuators;
b. combined aerodynamic and thrust vector control surfaces controlled by said actuators;
c. means for determining a quaternion error value defining the error between a quaternion of the vehicle and a commanded quaternion; and
d. control means for controlling said actuators based on said quaternion error value, an aerodynamic control gain and a thrust vector control gain.
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Abstract
A control system for controlling an airborne vehicle at a time of low aerodynamic moment is provided. The control system includes combined aerodynamic and thrust vector control actuators, a quaternion generator which determines a quaternion error value defining the error between the quaternion of the vehicle and the commanded quaternion; and a controller which controls the actuators based on the quaternion error value, an aerodynamic control gain and a thrust vector control gain.
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Citations
15 Claims
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1. A control system for controlling an airborne vehicle at a time of low aerodynamic moment, the control system comprising:
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a. a plurality of actuators; b. combined aerodynamic and thrust vector control surfaces controlled by said actuators; c. means for determining a quaternion error value defining the error between a quaternion of the vehicle and a commanded quaternion; and d. control means for controlling said actuators based on said quaternion error value, an aerodynamic control gain and a thrust vector control gain. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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Specification