Gliding vehicle guidance
First Claim
1. A computer-readable medium having a computer program to control a gliding vehicle, the computer program comprising:
- means for determining a homing guidance acceleration term for the gliding vehicle based on a selected arrival velocity orientation and desired final target coordinates;
means for determining a bias term to cancel gravity acceleration and to control time-of-flight of the gliding vehicle;
means for determining an energy management term to fly the gliding vehicle along an optimal flight path to conserve energy; and
, means for determining a composite commanded acceleration for the gliding vehicle based on a component blending gain, the homing guidance acceleration term, the bias term, and the energy management term.
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Accused Products
Abstract
Guidance of a gliding vehicle is disclosed. A method of the invention allows the range of the glide phase of a gliding vehicle to be maximized, while satisfying final flight path angle and aimpoint requirements. The method controls the time-of-flight of the gliding value to a desired value. The time-of-flight control can correct for winds, off-nominal launch conditions, and rocket motor variations, among other factors. Both time-of-flight control and range and cross-range maximization can be achieved by the inventive method, utilizing a compact closed-loop approach.
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Citations
13 Claims
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1. A computer-readable medium having a computer program to control a gliding vehicle, the computer program comprising:
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means for determining a homing guidance acceleration term for the gliding vehicle based on a selected arrival velocity orientation and desired final target coordinates;
means for determining a bias term to cancel gravity acceleration and to control time-of-flight of the gliding vehicle;
means for determining an energy management term to fly the gliding vehicle along an optimal flight path to conserve energy; and
,means for determining a composite commanded acceleration for the gliding vehicle based on a component blending gain, the homing guidance acceleration term, the bias term, and the energy management term. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification