Stand alone terrain conflict detector and operating methods ther

Details Stand alone terrain conflict detector and operating methods ther Stand alone terrain conflict detector and operating methods ther

1997-10-09

2000-02-01

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Relative location

Collision avoidance

701120, 701213, 701216, 701208, 244175, G06F16300, G06F16500

Patent

active

060213744

ABSTRACT:
A stand alone terrain conflict detector of an aircraft includes a global positioning system (GPS) receiver, an inertial navigation system, navigational and topographical databases, a control panel, a central processing unit (CPU), which CPU generates position data, a current flight path vector and control signals, an obstacle detector which receives the position data and the current flight path vector and which generates a flight path signal, an alert signal identifying a terrain threat to the aircraft and a projected flight path vector, a video generator coupled to the obstacle detector and the CPU, and a display connected to the video generator. The display outputs one of a 2D image, a first 3D image and a second 3D image and the terrain threat generated by video generator. Advantageously, the video generator generates the 2D image responsive to the flight path signal and navigational data during the first mode of operation, generates the first 3D image including the projected flight path vector responsive to the flight path vector and one of navigational data and topographical data during the second mode of operation, and automatically generates, whenever the alert signal is generated, the second 3D image, including an escape vector, having a scale different than that of the first 3D image, responsive to the projected flight path vector and one of the navigational data and the topographical data during the third mode of operation. A method for operating the stand alone terrain conflict detector is also described.

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