Abstract: An injection control device includes: an area correction unit that calculates an energization time correction amount by performing area correction of a current flowing through a fuel injection valve when executing a current drive of a fuel injection valve to inject a fuel from the fuel injection valve in a multi-stage injection; and a change unit that changes an upper limit guard value of the energization time correction amount according to an injection time of the multi-stage injection during control of the multi-stage injection.

Abstract: An injection control device for a fuel injection valve includes: a current detection unit; and a current area correction control unit that corrects, based on an energization current profile, an area correction amount of an energization time to equalize the integrated current value of the energization current profile and an integrated current value of the detected current, and obtains the integrated current value of the current based on an attainment time from a start of energization of the fuel injection valve to an attainment of each of a plurality of reference current values; a storage unit that stores a reference attainment time; and a reference current value correction unit that corrects each reference current value based on a difference between the reference attainment time and a detected attainment time at a time of actual drive.

Abstract: An injection control device for a fuel injection valve includes: a current detection unit of the fuel injection valve; a current area correction control unit that performs current area correction for an area correction amount of an energization time to equalize the integrated current value of the energization current profile and an integrated current value of the detected current; and an information correction unit that learns and stores a reference attainment time, from a start of energization to an attainment of each of the plurality of reference currents, in a storage unit, and corrects information related to the current area correction based on a difference between the reference attainment time and an actual attainment time from the start of energization to the attainment of each reference current.

Abstract: An injection control device includes: a fuel injection quantity command value output unit that outputs a command value for a fuel injection quantity of a fuel injection valve; a fuel injection quantity correction unit that calculates an air-fuel correction amount and corrects the command value for the fuel injection quantity; and a controller that executes current control on the fuel injection valve. The controller executes current area correction by calculating an area correction amount for an energization time. The injection control device further includes a learning controller that stops the air-fuel learning.

Abstract: An injection control device includes: an area correction unit that calculates an energization time correction amount when executing a current drive of a fuel injection valve to inject a fuel from the fuel injection valve; a charging circuit that applies an electric power from the charging unit to the fuel injection valve; and a charge amount determination unit for determining the charge amount of the charging unit. The area correction unit changes the area correction control based on a determination result of the charge amount determination unit.

Abstract: An injection control device includes: an area correction unit that calculates an energization time correction amount by performing area correction of a current flowing through a fuel injection valve when executing a current drive of a fuel injection valve to inject a fuel from the fuel injection valve in a multi-stage injection; and a change unit that changes an upper limit guard value of the energization time correction amount according to an injection time of the multi-stage injection during control of the multi-stage injection.

Abstract: An injection control device includes: a fuel injection quantity command value output unit that outputs a command value for a fuel injection quantity of a fuel injection valve; and a controller that executes current control on the fuel injection valve. The controller executes current area correction by calculating an area correction amount for an energization time to cause an integrated current value of an energization current profile and the integrated current value of a current to be equal to each other. Correction control of the current area correction is changed based on a detection signal of a cooling water temperature of an internal combustion engine.

Abstract: An injection control device includes: a fuel injection quantity command value output unit that outputs a command value for a fuel injection quantity of the fuel injection valve; a fuel injection quantity correction unit that calculates an A/F correction amount and corrects the command value of the fuel injection quantity; and a controller that executes current control on the fuel injection valve. The controller executes current area correction. The injection control device further includes an area correction abnormality determination unit that determines an area correction abnormality. The area correction abnormality determination unit changes the abnormality determination value.

Abstract: An adder adds a noise signal, an input signal, and a feedback signal. A threshold determination unit compares an addition signal output from the adder with a predetermined threshold, and outputs an ignition pulse signal. A transient response unit causes transient response of the ignition pulse signal, and generates an output signal. An intensity adjustment unit is formed of a variable resistor provided on a feedback loop, adjusts intensity of the feedback signal, and inputs the feedback signal to the adder.

Abstract: An adder adds a noise signal, an input signal, and a feedback signal. A threshold determination unit compares an addition signal output from the adder with a predetermined threshold, and outputs an ignition pulse signal. A transient response unit causes transient response of the ignition pulse signal, and generates an output signal. An intensity adjustment unit is formed of a variable resistor provided on a feedback loop, adjusts intensity of the feedback signal, and inputs the feedback signal to the adder.

Abstract: The present invention has: a data deriving section 610 that derives from an information processing apparatus having a management function for the client-server system state data representative of an apparatus state of the information processing apparatus, when the data deriving section receives a notification of occurrence of a breakdown by the information processing apparatus; a breakdown classification section 620 that classifies breakdown associated with the notification into a breakdown type corresponding to a seriousness of breakdown, of two or more breakdown types that are mutually different in seriousness of breakdown; and a data storage section 630 that stores the state data derived from the data deriving section 610 in a storage area corresponding to the breakdown type classified by the breakdown classification section, of two or more storage areas associated with said two or more breakdown types, respectively.

Abstract: The present invention has: a data deriving section 610 that derives from an information processing apparatus having a management function for the client-server system state data representative of an apparatus state of the information processing apparatus, when the data deriving section receives a notification of occurrence of a breakdown by the information processing apparatus; a breakdown classification section 620 that classifies breakdown associated with the notification into a breakdown type corresponding to a seriousness of breakdown, of two or more breakdown types that are mutually different in seriousness of breakdown; and a data storage section 630 that stores the state data derived from the data deriving section 610 in a storage area corresponding to the breakdown type classified by the breakdown classification section, of two or more storage areas associated with said two or more breakdown types, respectively.

Abstract: An information display apparatus which enables an operator to perform a facilitated operation based on the information pertinent to a picture displayed on a display device, using the picture as a clue. The display apparatus acquires, from an information source, an information container including the information for specifying the picture information and the related information associated with the picture information specified by the picture information specifying information, interprets the information container, then acquires and displays the picture information. When the operator has specified the picture information, the information display apparatus initiates the processing based on the related information pertinent to the so specified picture information.

Abstract: An information display apparatus connected to the network includes a communication unit, a first management area controller and a second management area controller. The communication unit acquires a first picture from the network. The first management area controller displays a first management area in a display unit provided on the information display apparatus and sorts the acquired first picture to display the sorted first picture. The first management area controller detects the first picture displayed in the first management area when an operator has specified the first picture. The second management area controller displays a second management area in a display unit provided on the information display apparatus, and determines a second picture, having the included related information, based on the specified picture.