Missile roll position processor

Details Missile roll position processor Missile roll position processor

1977-07-08

1980-08-26

Bentley, Stephen C.

Aeronautics and astronautics

Missile stabilization or trajectory control

Remote control

250203R, 356 4, F14G 700, A23G 900, G01C 308

Patent

active

042191700

ABSTRACT:
A weapon system using a line of sight guidance system is provided with a missile containing two symmetrically located optical receivers. Information contained in a beam into which a missile is launched is used by the two receivers and associated processor means to derive roll position for the missile. Because the roll signal is derived electronically, mechanical means for determining roll position of the missile in the form of a conventional roll gyro, for example, may be eliminated. Elimination of the mechanical roll gyro from the missile permits much higher launch accelerations than are realistically feasible with missile control systems employing mechanically derived roll data. A processor located in the missile receives its signals from the pair of optical receivers. The processor uses the data from the first receiver to derive the position error of the missile relative to beam center. The data of the second receiver is used by the processor, along with a phase angle reference from the first receiver signal to develop a signal representation of the missile roll angle. The signal representation is further processed, when used with missile control systems requiring the roll reference signal in the form of a linear voltage with missile roll angle, to develop a missile roll angle reference in the form of two ramp voltages, each representing 360.degree. of missile roll angle and being separated in phase by 180.degree..

REFERENCES:
patent: 3219294 (1965-11-01), Welti
patent: 3820742 (1974-06-01), Watkins
patent: 4047678 (1977-09-01), Miller, Jr. et al.

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