ROTATION SPEED PREDICTION SYSTEM

Title:

ROTATION SPEED PREDICTION SYSTEM

Document Type and Number:

Japanese Patent JP2004045344

Kind Code:

A

Abstract:

To accurately predict and detect a rotation speed by causing neither errors due to noise nor a delay.

A rotation speed prediction system for predicting the rotation speed of a rotary member changing the rotating speed comprises a rotation speed detection means (step S1) for detecting the rotation speed of the rotary member; a first filter processing means (step S4) for processing a rotation speed detection value detected with the rotation speed detection means (step S1) with a first filter and obtaining a first filter processed value; a second filter processing means (step S5) for further processing the first filter processed value with a second filter and obtaining a second filter processed value; and a prediction means (step S6) for predicting the rotation speed of the rotary member on the basis of the first filter processed value and the second filter processed value.

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Inventors:

IWATSUKI KUNIHIRO
NAKAWAKI YASUNORI
HOSHIYA KAZUMI

Application Number:

JP2002206336A

Publication Date:

February 12, 2004

Filing Date:

July 15, 2002

Export Citation:

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Assignee:

TOYOTA MOTOR CORP

International Classes:

G01P3/44; F02D45/00; F16H9/00; F16H59/42; F16H61/02; (IPC1-7): G01P3/44; F02D45/00; F16H9/00; F16H61/02

Attorney, Agent or Firm:

Watanabe Takeshi

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