Vehicle heading error compensation
AssigneeSikorsky Aircraft Corporation
InventorsKenneth S. Wittmer, Stephen Kubik
Life of this patent
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Abstract
Systems and methods for controlling aircraft obtain at least one of ground-referenced longitudinal movement data of the aircraft and ground-referenced lateral movement data of the aircraft. A round-referenced heading of the aircraft is obtained and a heading error is calculated based on a difference between the ground-referenced heading and a target heading. A lateral movement error value is generated based on at least one of the ground-referenced longitudinal movement data and ground-referenced lateral movement data, and based on the heading error.
Claims14
A method for controlling an aircraft, comprising:
- obtaining a longitudinal ground speed error and a lateral ground speed error of the aircraft;
- obtaining a ground-referenced heading of the aircraft;
- calculating a heading error based on a difference between the ground-referenced heading and a target heading;
- generating a lateral movement error value based on the heading error, the longitudinal ground speed error, and the lateral ground speed error;
- generating a lateral movement command signal based on the lateral movement error value to control a ground-referenced lateral speed of the aircraft;
- and
- adjusting a control surface of the aircraft based on the lateral movement command signal.
An aircraft control system, comprising:
- a flight control computer having a data input to receive a measured longitudinal ground speed of an aircraft, a measured lateral ground speed of the aircraft and a measured heading of the aircraft, having a data processor configured to calculate a heading error based on a difference between the measured heading and a target heading and configured to generate a lateral movement error value based on the heading error error, a longitudinal ground speed error, and a lateral ground speed error, the flight control computer being configured to generate a lateral movement command signal based on the lateral movement error value to control a lateral movement of the aircraft and adjust a control surface of the aircraft based on the lateral movement command signal.
Dependencies are inferred from the claim text.