Power identification equipment and methods

Abstract

OCR The power specification kit includes sections specifying the first injection correction amount of the engine's fuel injection volume and the first torque correction amount of the motor's torque; a section specifying the first correction coefficient for the first injection correction amount and the first torque correction amount; and a calculation section that calculates i) the corrected injection amount obtained by subtracting the second injection correction amount obtained by multiplying the first injection correction amount by the first correction coefficient from the fuel injection volume; and i) the corrected torque obtained by adding the second torque correction amount obtained by multiplying the first torque correction amount by the first correction coefficient to the motor's torque.

Claims

OCR1. The power specification unit comprises a section specifying the first injection correction amount of the engine's fuel injection volume and the first torque correction amount of the motor, generated based on the throttle opening level and engine speed; a section specifying the first correction coefficient for the first injection correction amount and the first torque correction amount based on the catalytic converter temperature and the amount of ammonia absorption by the catalytic converter; and a calculation section that calculates i) the corrected injection amount obtained by subtracting the second injection correction amount obtained by multiplying the first injection correction amount by the first correction coefficient from the fuel injection volume; and ii) the corrected torque obtained by adding the second torque correction amount obtained by multiplying the first torque correction amount by the first correction coefficient to the motor torque.Power specification unit under claim 1, where the calculation section calculates the corrected injection volume that is greater than the obtained injection volume by subtracting the first correction injection volume from the fuel injection volume corresponding to the throttle opening level and calculates the corrected torque that is less than the obtained torque by adding the first torque correction volume to the motor torque corresponding to the throttle opening level.

3. Power specification unit under claim 1 or 2, which includes a storage section that stores the first correction coefficient corresponding to the temperature and catalytic ammonia absorption volume (6), where the determination section determines the first correction coefficient corresponding to the temperature and catalytic ammonia absorption volume.4.The identification kit pursuant to claim 3 comprises a data acquisition section containing the catalyst ammonia adsorption temperature and volume, a storage section containing the First Correction Coefficient chart displayed as a two-dimensional plane with the catalyst ammonia adsorption temperature and volume, and a number of First Correction Coefficients indicating values ​​greater than or equal to 0 and less than 1 associated with the catalyst ammonia adsorption temperature and volume, and a determination section that assigns the First Correction Coefficient corresponding to the catalyst ammonia adsorption temperature and volume obtained from the data acquisition section among the number of First Correction Coefficients contained in the First Correction Coefficient chart.The power specification kit is based on one of the claims 1 through 4, whereby the specification determines the second correction coefficient for the first injection correction amount and the first torque correction amount based on the difference between the actual turbocharger boost pressure and the required boost pressure, which is the boost pressure required to generate torque corresponding to the throttle opening level and engine speed, and the calculation kit calculates i) the corrected injection amount obtained by subtracting the third injection correction amount obtained by multiplying the second injection correction amount by the second correction coefficient from the fuel injection amount, and ii) the corrected torque obtained by adding the third torque correction amount obtained by multiplying the second torque correction amount by the second correction coefficient to the motor torque.The power specification kit pursuant to claim 5 includes a storage section that stores the second correction coefficient corresponding to i) the difference between the actual boost pressure and the required boost pressure and ii) the engine speed, where the specification section defines the second correction coefficient corresponding to i) the difference between the actual boost pressure and the required boost pressure and ii) the engine speed with reference to storage section 7.The power specification kit pursuant to claim 6 includes a data acquisition section that obtains the engine speed and the difference between the actual and required boost pressures, where the storage section stores a Second Correction Coefficient chart which is represented as a plane in two-dimensional space with i) an axis corresponding to the difference between the actual and required boost pressures and ii) an axis corresponding to the engine speed and shows a number of Second Correction Coefficients associated with i) the difference between the actual and required boost pressures and ii) the engine speed, and the specification section defines the Second Correction Coefficients associated with i) the difference between the actual and required boost pressures obtained by the data acquisition unit and ii) the engine speed among a number of Second Correction Coefficients contained in the Second Correction Coefficient chart 8.The power specification unit shall be based on one of the claims 1 through 7, whereby the determination unit shall determine i) the first injection correction coefficient for the first injection correction amount and ii) the first torque correction coefficient which differs from the first injection correction coefficient for the first torque correction amount as the first correction coefficient and the calculation unit shall calculate i) the corrected injection amount obtained by subtracting the second injection correction amount which is obtained by multiplying the first injection correction amount by the first injection correction coefficient from the fuel injection amount and ii) the corrected torque obtained by adding the second torque correction amount which is the first torque correction amount multiplied by the first torque correction coefficient to the motor torque.9.The method for determining power includes procedures for specifying the first injection correction amount of the engine's fuel injection volume and the first torque correction amount of the motor, based on the throttle opening level and engine speed. It also involves determining the first correction coefficient for the first injection correction amount and the first torque correction amount based on the catalytic converter temperature and the catalytic converter's ammonia absorption rate, and calculating: i) the obtained corrected injection volume by subtracting the second corrected injection volume, which is obtained by multiplying the first corrected injection volume by the first correction coefficient from the fuel injection volume; and ii) the obtained corrected torque by adding the second corrected torque volume, which is obtained by multiplying the first corrected torque volume by the first correction coefficient, to the motor torque.

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