Nec Corporation

Nissan Motor Company Limited

Jatco Corporation

Satoshi Segawa

Kazutaka Adachi

Yuichi Nakatani

Katsuhiko Kondoh

Tatsuya Imamura

Hiroshi Sekiya

Atsushi Kashitani

Koji Dohi

Hideo Nakamura

Hajime Yamamoto

Yasushi Hidaka

Junya Akiyama

Michiru Sugimoto

Kouji Saitou

Akira Higashimata

Toshiji Iida

Masato Iwakawa

Yuji Katsumata

Hidehiko Kuroda

Morimasa Yamawaki

Masayoshi Nakasaki

Kazuhiko Tazoe

Takahiko Tsujisawa

Shiho Umeki

Hisafumi Asai

Tomoaki Fukano

Masayuki Kobayashi

Nobuo Nakanishi

Seijiro Kotooka

Kouji c/o Jatco Ltd Saitou

Hiroshi c/o Jatco Ltd Sekiya

Tatsuya c/o Jatco Ltd Imamura

Koji c/o Jatco Ltd Dohi

Morimasa c/o Jatco Ltd Yamawaki

Toshiji c/o Jatco Ltd Iida

An image-processing device includes: an acquisition unit configured to acquire form image data generated as an optical reading result of a form image; a group-specifying unit configured to determine whether kinds of groups into which the form image data is grouped are specifiable; and a work target determination unit configured to determine that the form image data is the form image data on which checking work for the kinds of groups is required when the kinds of groups of the form image data are determined to be unspecifiable.

Image-processing device, image processing method, and storage medium on which program is stored

An image-processing device includes: a character string detection unit configured to detect a character string of a specific item in a first document image based on a feature amount of the displayed first document image among feature amounts which are recorded in advance based on a result of learning using a plurality of document images and indicate features of the character string of the item for each kind of document image and each specific item; and an output unit configured to output information regarding a correspondence relation indicating the same specific item between the first document image and a second document image displayed to correspond to the first document image.

Image-processing device, image-processing method, and storage medium on which program is stored

An image-processing device includes: a reliability calculation unit configured to calculate reliability of a character recognition result for a document image which is a character recognition target on the basis of a descriptive feature amount of a character string of a specific item included in the document image; and an image output unit configured to output an image of the character recognition result indicating the character string of the specific item in a display mode in accordance with the reliability.

An image processing device includes: an identifying unit that identifies a plurality of character strings that are candidates for a recording character string among a plurality of character strings acquired by recognizing characters included in a document image; an output unit that outputs a checking screen that represents positions of the plurality of character strings; and a feature quantity extracting unit that extracts a feature quantity of a character string corresponding to a position identified by a user on the checking screen as a feature quantity of the recording character string.

Image processing device, image processing method, and recording medium

An image-processing device includes: a reliability calculation unit configured to calculate reliability of a character recognition result on a document image which is a character recognition target on the basis of a feature amount of a character string of a specific item included in the document image; and an output destination selection unit configured to select an output destination of the character recognition result in accordance with the reliability.

Image-processing device for document image, image-processing method for document image, and storage medium on which program is stored

An image processing device including: a first feature quantity selecting unit configured to select a first feature quantity of a document image that is a character recognition target among first feature quantities that are recoded in advance and represent features of character strings of an item; a character recognition processing unit configured to perform a character recognition process for the document image; a character string selecting unit configured to select a character string of a specific item corresponding to the first feature quantity among the character strings acquired as a result of the character recognition process; and a determination result acquiring unit configured to acquire a determination result indicating whether or not a character string that has been input in advance matches the character string of the specific item in a case in which the character string selecting unit has not selected any one of the character strings.

Image processing device, image processing method, and storage medium storing program

A torque converter () connecting an engine () and a transmission () of a vehicle is provided with a lockup clutch (), and a controller () is programmed to increase an engagement force of a lockup clutch () under open loop control before shifting to feedback control of the engaging force using a target slip rotation speed. When an engine output torque rapidly decreases during open loop control (S, S), the controller () decreases the engaging force according to a variation amount of the engine output torque (S, S), thereby preventing an unintentional sudden engagement of the lockup clutch () due to decrease in the engine output torque.

Engaging force control of lockup clutch

An object of the present invention is to provide a battery state estimation device and a battery state estimation method which identify parameter of a secondary battery with high accuracy. A current and a terminal voltage of secondary battery are detected, then by using the current measured value and terminal voltage measured value thus detected, the terminal voltage of secondary battery based on predetermined battery model is estimated, and the parameter of the secondary battery is identified such that a difference between terminal voltage measured value and voltage estimated value is converged to zero. In the identifying of parameter of secondary battery, the terminal voltage measured value and terminal voltage estimated value are subjected to filter treatment by low pass filter having a common high frequency breaking characteristic and the terminal voltage measured value and terminal voltage estimated value subjected to the filter treatment are used.

Battery state estimation device and battery state estimation method

A battery charging control device for controlling a power generation device installed in an electric vehicle sets a battery energy management area using a current position of a host vehicle as a reference, detects at least one travelable route within the battery energy management area, calculates a battery energy management upper limit value and a battery energy management lower limit value on the basis of a maximum value and a minimum value of energy values required to travel to respective points on the travelable route from the current position, and calculates a battery energy management width by subtracting the management lower limit value from the management upper limit value. When the battery energy management width is not within a predetermined range, the battery energy management area is modified so as to enter the predetermined range. As a result, battery charging is controlled such that a magnitude relationship between the battery energy management upper limit value and the battery energy management lower limit value does not reverse.

Battery charging control device and battery charging control method for electric vehicle

A control device of a lock-up clutch of a torque converter interposed between a transmission and engine used with a vehicle, is disclosed. The control device has a sensor which detects an input rotation speed to the torque converter, a sensor which detects an output rotation speed from the torque converter, a differential pressure control device which controls the differential pressure applied to the lock-up clutch, and a controller which sets a target slip rotation speed of the torque converter; calculates a real slip rotation speed which is a difference between the detected input rotation speed and the detected output rotation speed; and performs feedback control to determine the differential pressure applied to the lock-up clutch so that the real slip rotation speed coincides with the target slip rotation speed. The controller is programmed to: set the target slip rotation speed to a first target slip rotation speed determined from a vehicle running parameter; perform feedback control so that the real slip rotation speed coincides with the first target slip rotation speed; change over the first target slip rotation speed to a second target slip rotation speed according to an error between the first target slip rotation speed and the real slip rotation speed; after changing over, and perform feedback control so that the real slip rotation speed coincides with the second target slip rotation speed; wherein the first and second target slip rotation speeds are different functions of time.

Control of lock-up clutch

A lock-up clutch control apparatus for controlling a lock-up clutch () provided in a torque converter () installed between an engine () and a transmission (), is disclosed. The lock-up clutch control apparatus has a differential pressure generator () which engages, causes a slip of or disengages the lock-up clutch by adjusting the differential pressure supplied to the lock-up clutch (); a sensor () for detecting a rotational speed of the engine; a sensor () for detecting an input rotational speed to the transmission; and a controller (). The controller () conducts proportional integration control by using a command signal to the differential pressure generator (), so that an actual slip rotational speed, which is the difference between the engine rotational speed (Np) and input rotational speed (Ni) to the transmission, becomes a target slip rotational speed (Nt). The controller is programmed to conduct integration accumulating the difference (&#x394;N) between the target slip rotational speed (Nt) and the actual slip rotational speed (SN); to determine whether the accumulated integrated value (I) is equal to or higher than a predetermined integration value (It); and to stop the integration when the accumulated integration value (I) is equal to or higher than the predetermined integration value (It).

Lock-up clutch control

A lock-up clutch control device which controls a lock-up clutch provided in a torque converter installed between an engine and a transmission, is disclosed. The lock-up clutch control device changes over between a converter state and a lock-up state of the torque converter according to a differential pressure command value (LUprs) relating to a differential pressure supplied to the lock-up clutch. The lock-up clutch control device includes a differential pressure generating device () which generates the differential pressure supplied to the lock-up clutch; input torque detection means () which detects an input torque (Te) to the torque converter; and a controller (). The controller () is programmed to compute a real differential pressure (P_lu) based on the detected input torque (Te) upon completion of the engagement of the lock-up clutch; compute a learning value (P_learn(Tai)) relating to a differential pressure deviation, based on the difference between the computed real differential pressure (P_lu) and differential pressure command value (P_ref) upon completion of the engagement of the lock-up clutch, and store the learning value (P_learn(Tai)); correct a present differential pressure command value (LUprs_slp) based on the learning value (P_learn(Tai)); and send the corrected differential pressure command value (LUprs) to the differential pressure generating device ().

Lock-up control for torque converter

A controller () controls the engaging force between a pump impeller () connected to an engine () and a turbine runner () connected to an automatic transmission (). The controller () first performs feedforward control of the engaging force. The controller () determines a reference value and a target rotation speed based on the capacity characteristics of the torque converter (), and if the rotation speed of the engine () becomes less than the reference value, performs feedback control of the engaging force so that the deviation between the target rotation speed and the rotation speed decreases. When a predetermined condition is satisfied, the controller () changes over from feedforward control to feedback control, even if the rotation speed of the engine () is not less than the reference value. As a result, the control precision of feedback control when performing a slip lock-up, is increased.

Lockup control of torque converter

A controller () performs open loop control of the engaging state of a lockup clutch () through a switching mechanism () when a torque converter () transitions from a first state in which the lockup clutch () is disengaged to a second state in which the lockup clutch () is at least partially engaged. At this time, the controller () estimates the engine torque at the time when open loop control ends, estimates a necessary lockup capacity required for the converter () at the time when open loop control ends, based on the estimated engine torque, and controls the engaging state of the lockup clutch () through the switching mechanism () to make the lockup capacity at the time when open loop control ends become the necessary lockup capacity.

Power transmission device having a torque converter with a lockup clutch and lockup control method for torque converter

A tightening force of a lockup clutch () exerted between a pump impeller () connected to an engine () and a turbine runner () connected to an automatic transmission () is controlled by a controller (). The controller () determines a target relative rotation speed of the pump impeller () and the turbine runner (), and performs feedback control of the tightening force such that the difference between the target relative rotation speed and the real relative rotation speed is decreased. The controller () also performs feedforward control of the tightening force. When the variation of the relative rotation speed due to the feedforward control has exceeded the predetermined value, the controller () corrects the feedback control amount to moderate the effect of the variation, thereby suppressing sudden change in the tightening force.

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Atsugi, Japan

Satoshi Segawa