Guided missile fire control simulators

Education and demonstration – Organized armed or unarmed conflict or shooting – Self-propelled projectile

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434 20, F41G 700

Patent

active

045525331

DESCRIPTION:

BRIEF SUMMARY
The invention relates to guided missile fire control simulators for use in the training of personnel in the operation of guided missile launching and the control of the launched missile to strike a selected target in a simulated combat environment.
The use of simulators for the training of observers in the control of artillery fire has been known for some time. One known system is described in the United Kingdom Patent Specification No. 1,279,873, which describes the use of projectors for displaying a battlescene, selected targets superimposed thereon, and the further superimposition of an explosion image at a point computed to be the impact point at the end of the trajectory selected by the trainee observer.
Another known system is described in the United Kingdom Patent Application No. 2,030,685 A, which is generally similar, although more sophisticated computer arrangements are described and the preferred embodiment uses television projectors.
One object of the present invention is to provide a simulator that can reliably produce a simulation of the launch and flight of a guided missile under the control of a trainee operator towards a selected target, and to display the effect of the missile warhead exploding, whether as the result of a successful strike, or the result of an abortive attempt, assuming that the explosion is within the field of view of the operator.
The invention consists in a guided missile fire control simulator in which a plurality of image projectors are combined in a projection system under the control of a digital computer to display on a common screen:
a view of a selected combat area produced by a terrain image projector;
a view of a target superimposed on said terrain and produced by a target image projector;
a representation of the appearance of a guided missile in flight, as seen by the operator, which representation is superimposed upon the terrain view from a missile image projector, and which is occulted whenever the theoretical flight path takes the missile out of the view of the operator, and which is terminated by a visual representation of the effects of the missile warhead exploding only if the explosion or the effects thereof would be visible to the operator;
said target image projector and said missile image projector each being caused to project their image to respective positions on the screen by an associated projection directing system that is controlled by said computer;
an instructor's control station providing means for supervising an exercise by the production of relevant control signals;
and at least one missile control station providing means for a trainee to produce missile launch and guidance control signals;
said computer being supplied with exercise control data comprising:
stored information constituting an elevation database defining the displayed terrain;
stored information defining the visibility of any position in the displayed terrain to the operator and thus constituting a visibility database;
stored information concerning the missile flight characteristics and capabilities to constitute a weapon system database; and
said computer uses said information to translate said control signals received from an operation control unit at and after launching of a missile into a resultant theoretical flight path for said missile and producing signals to control said projection direction system of said missile image projector to cause the projected image to follow the calculated path across the displayed terrain and to terminate the missile flight by an image projection representing the effect of explosion of the missile warhead if within the operator's field of view, but inhibiting such projection if theoretically outside the operator's field of view.
Advantageously, means may be provided to indicate the reason for any failure, such as may result from the missile being guided into the ground, or driven on a path exceeding its range capability, or being subjected to any flight maneuver that is beyond the particular missiles capabilities.
The invention, and fur

REFERENCES:
patent: 3798796 (1974-03-01), Stauff et al.
patent: 4232456 (1980-11-01), Harmon et al.
patent: 4276028 (1981-06-01), Gwynn
patent: 4290757 (1981-09-01), Marshall et al.
patent: 4336018 (1982-06-01), Marshall et al.

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