Method for predicting a future value of measurement data and for

Details Method for predicting a future value of measurement data and for Method for predicting a future value of measurement data and for

1989-10-16

1993-12-28

Trans, Vincent N.

Boots, shoes, and leggings

36443107, 123480, G06F 1520, F02D 4104, F02D 4130

Patent

active

052745597

ABSTRACT:
A future value is predicted based on time-serial data of measurement data heretofore available to attain high precision control of fuel injection of an engine, by providing: (1) an unit for determining an acceleration/deceleration level representing a magnitude of acceleration/deceleration of a vehicle based on a displacement of a throttle opening degree in a predetermined time, (2) an unit for predicting the future value by a digital advancing filter based on measurement data heretofore available, and (3) a correction unit for calculating a measurement amount which is under or over when the predicting process is conducted, in accordance with the acceleration/deceleration level, and adding the calculated measurement value to said predicted value to calculate the future value of the measurement data. Where a table for converting outputs of various sensors arranged around the engine etc. to physical amounts such as suction air amount, an unit for increasing the search speed for the table is provided.

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