Solid state resolver coordinate converter unit

Details Solid state resolver coordinate converter unit Solid state resolver coordinate converter unit

1974-09-27

1976-08-24

Ruggiero, Joseph F.

Registers

Transfer mechanism

Traveling pawl

235156, 235186, 340347SY, G06F 738

Patent

active

039768694

ABSTRACT:
A computing system for performing digital sequential coordinate transformations on n dimensional vector input data referenced to a sensor system and ultimate outputting of the n dimensional vector data having basis in an alternate reference system in a form compatible with utilization equipment. The system adopts the basic "Cordic Algorithm" but eliminates the need for interim storage elements by the provision in a digital computing resolver of n registers, one for each of the n orthogonal axes plus a register for the rotation angle wherein the orthogonal registers are selected sequentially by the program in pairs to develop the terminal vector solutions. Additionally, the system provides a means of cross-addition between registers which reduces register capacity and eliminates the need for circuitry to perform trigonometric subroutines.

REFERENCES:
patent: 3578959 (1971-05-01), Perkins
patent: 3684876 (1972-08-01), Sutherland
patent: 3746849 (1973-07-01), Bailey
patent: 3767905 (1973-10-01), Garde
patent: 3868680 (1975-02-01), Rhodes

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