Registers – Ordnance or weapon systems computer – With target tracking means
Patent
1980-01-25
1982-03-16
Gruber, Felix D.
Registers
Ordnance or weapon systems computer
With target tracking means
364459, 364516, 364724, G06F 1550, G06F 1558, G05B 1302
Patent
active
043202870
ABSTRACT:
Vehicle tracking and position predicting apparatus includes an improved Kalman velocity filter feedback loop having a forward gain matrix for loop coordinate error factors and those of their derivatives; and position predicting computing apparatus in the loop feedback path between the system output and an input error node. Sensor reference target signals (e.g., range, bearing and elevation) are connected as inputs to the filter error node.
In accordance with one aspect of the present invention, sensor coordinate reference errors from the input error node are converted to target reference coordinates. Pursuant to a further aspect of the present invention, the gain matrix is varied dependent upon sensor coordinate variables. Gain matrix variations are thus independent of geometry and sensor reference coordinates.
REFERENCES:
patent: 4004729 (1977-01-01), Rawicz et al.
patent: 4128837 (1978-12-01), Page
patent: 4146780 (1979-03-01), Sprey
patent: 4148026 (1979-04-01), Gendreu
patent: 4168500 (1979-09-01), Brassaw
patent: 4179696 (1979-12-01), Quesinberry et al.
McEvoy et al., Advanced Concepts in Terminal Area Control Systems,. USSR/US Aeronautical Technology Symposium, Jul. 1973.
Gruber Felix D.
Lockheed Electronics Co., Inc.
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