Control system

Details Control system Control system

1998-05-19

2000-11-21

Cuchlinski, Jr., William A.

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Aeronautical vehicle

701 33, 701 66, 709100, 709107, G06F 1700, G06F 700

Patent

active

061515388

ABSTRACT:
A hybrid control system executes tasks within a transaction which is executed in a given order. The order in which the tasks are executed is inversely proportional to their deadlines. The deadlines are assigned an initial deadline D, an initial maximum end-to-end delay of the transaction is calculated using the initial deadlines D and the given order of the tasks.
The deadline of the task with the largest deadline is reduced by an increment to give a new deadline and if the task following it has an increment to give a new deadline. A new end-to-end delay is calculated using the new deadlines and the given order of the tasks. These steps are repeated until the new end-to-end delay does not exceed the desired maximum end-to-end delay.

REFERENCES:
patent: 5553280 (1996-09-01), Fortier
patent: 5606695 (1997-02-01), Dworzecki
patent: 5748468 (1998-05-01), Notenboom et al.

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