Hitachi, Ltd.

Olympus Medical Systems Corporation

Mitsubishi Electric Corporation

Hitachi Astemo Ltd.

Olympus Corporation

Hitachi Automotive Systems, Ltd.

Hitachi Systems, Ltd.

Atsushi Shimada

Takao Ishikawa

Shiro Yamaoka

Tomoya Takahashi

Koichi Sekiguchi

Tadashi Sano

Isao Hayase

Masahiro Takebayashi

Yusuke Yabe

Isamu Tsubono

Koichi Inaba

Kenichi Oshima

Takehiro Akizawa

Susumu Hashimoto

Nobuyasu Kanekawa

Toshiharu Nogi

Yoshihiro Sukegawa

Masayuki Saruwatari

Hiromu Kakuya

Masatoshi Sugimasa

Mutsumi Oshima

Youichi Iihoshi

Shinji Yamashita

Reiko Sakata

Shigenori Togashi

Kazumasa Ide

Kunihiko Suzuki

Seiki Toriyama

Keiichi Tsuchida

Shinya Satou

Kyosuke Mizuno

Yasukazu Kogen

Shinya Sato

Hiroshi Nishimura

Masato Hirai

Shinji Nakagawa

Takeyuki Itabashi

Toshihiro Aono

Kengo Kumano

Koji Omori

Kenichi Souma

Yoshitomo Nakamura

Takahiro Masaki

Hiroshi Kanemoto

Hirotoshi Ishimaru

Hideo Imanaka

Naoki Furuhata

Tetsuro Miyamoto

Mutsumi Ohshima

Yasuo Yoshii

Tatsunari Kataoka

Yuzo Shirakawa

Toshiyuki Terai

Saki Matsui

Shiro Yamoaka

Tetsuya Tadokoro

Kazumi Tamura

Masumi Suehiro

Satoshi Iwagaki

Hidenori Chiba

Kouichi Horiuchi

An electronic control device for mixed hydrogen combustion includes a combustion timing detection unit that detects the combustion timing of an engine; and an abnormal state detection unit that detects an abnormal state, in which a type of abnormality occurring in the engine has been determined, on the basis of the combustion timing and a second fuel supply ratio calculated from the supply amount of hydrocarbon fuel supplied by a first fuel supply device and the supply amount of a second fuel supplied by a second fuel supply device. A control mode determination unit determines a control mode corresponding to the abnormal state, controls the supply amount of hydrogen to be supplied by the second fuel supply device on the basis of the control mode, and outputs the control mode to an engine controller for controlling the engine.

Electronic control device for mixed hydrogen combustion, and method for controlling hydrogen mixing ratio

A display control device includes: processing circuitry that sets a display content projected by a projector in such a manner that a first display object is displayed in a first display area; and that receives a signal detected by a detection sensor from the detection sensor and determines whether or not the first display object is selected by a user. The processing circuitry sets another display content projected by the projector in such a manner that a second display object corresponding to the first display object is displayed in a second display area different from the first display area in a case where it is determined that the first display object is selected, and determines whether or not the second display object is selected, and settles the determination that the first display object is selected in a case where the processing circuitry determines that the second display object is selected.

Display control device and display control method

To accurately estimate a combustion state even in a case where the combustion state in a combustion chamber greatly changes. According to an aspect of the present invention, an internal combustion engine control deviceincludes a rotational speed calculation unitthat calculates a crank rotational speed of an internal combustion engine, an extreme value timing calculation unitthat calculates an extreme value timing at which the crank rotational speed calculated by the rotational speed calculation unitbecomes an extreme value, a combustion-state-calculation-means selection unitthat selects combustion state calculation means for calculating a combustion state in a combustion chamber based on an operation state of the internal combustion engine, and a combustion state estimation unitthat estimates the combustion state in the combustion chamber from the extreme value timing of the crank rotational speed by using the combustion state calculation means selected by the combustion-state-calculation-means selection unit

Internal combustion engine control device

A technique capable of detecting harmful behavior such as power harassment, sexual harassment, or bullying in work environment to support handling is provided. A harmful behavior detecting system includes a computer that executes observation and detection regarding harmful behavior including power harassment, sexual harassment, and bullying among people in work environment. The computer obtains voice data into which voice around a target person is inputted; obtains voice information containing words and emotion information from the voice data; and obtains data such as vital data, date and time, or a location of the target person. The computer uses five elements including words and an emotion of the other person, words, an emotion, and vital data of the target person to calculate an index value regarding the harmful behavior; estimate a state of the harmful behavior based on the index value; and output handling data for handling the harmful behavior in accordance with the estimated state.

Harmful behavior detecting system and method thereof

Provided is a control device and a control method of a high-efficiency internal combustion engine capable of stabilizing combustion and suppressing NOemissions without unnecessarily increasing a mounting load on an ECU. Therefore, the control device of the internal combustion engine for controlling the internal combustion engine includes an ignition plug that ignites an air-fuel mixture of fuel and air in the combustion chamber, a combustion pressure estimation sensor that detects a combustion pressure in the combustion chamber, and a crank angle sensor that detects a crank angle of a crankshaft. An MBT region is set based on an ignition delay period from an ignition timing of the ignition plug calculated from a detection value of the combustion pressure estimation sensor and a detection value of the crank angle sensor to a combustion start timing in the combustion chamber, and a combustion period from the combustion start timing to a set amount combustion end timing when a set amount of combustion ends. An ignition timing of the ignition plug is controlled so as to fall within the set MBT region.

Internal-combustion-engine control device and internal-combustion-engine control method

Provided is a control device for an internal combustion engine, which can control an injection amount of water injected into each cylinder of the internal combustion engine to a minimum injection amount that allows knock to be suppressed for each cylinder. Therefore, in a control devicethat controls water supply valves(water supply devices) that supply water into each of combustion chambers of a plurality of cylinders R (cylinders Rto Rin the embodiment) of an internal combustion engine, the control deviceincludes a water supply amount calculation unitthat calculates a supply amount of water supplied to each of the combustion chambers of the plurality of cylinders Rto Rfor each cylinder, and a water supply control unitthat controls the water supply valvesbased on the supply amount of water calculated by the water supply amount calculation unitfor each cylinder.

Control device and control method

An ethanol engine system stabilizes components of reformed gas generated by a reformer and a calorific value of fuel supplied to an engine. The ethanol engine system includes a reservoir tank for an aqueous ethanol solution, a first supply device that supplies the aqueous ethanol solution to the reformer, a separator that cools mixed gas fed from the reformer, including the reformed gas, condenses water vapor included in the mixed gas and separates into gas and liquid, a reformed gas supply device that supplies the reformed gas separated by the separator to the engine, a recovery tank that collects a recovery solution separated by the separator, and a first recovery solution supply device that supplies the recovery solution in the recovery tank to the reformer or a second recovery solution supply device that supplies the recovery solution in the recovery tank to a combustion chamber of the engine.

Ethanol engine system

There are provided an attention-time measuring unit that specifies an attention area from a user's visual line and measures an attention time T that is a time period during which the attention area is overlapping with a display area indicated by presentation information acquired by a presentation-information acquiring unit; a minimum recognition-necessary-time specifying unit that specifies, from a type of a presentation object indicated in the presentation information, a minimum recognition-necessary time Tthat is a minimum necessary time for recognizing the content of the presentation object; and a user's recognition-degree determination unit that makes a comparison between the time T and the time T, and determines from that comparison result, a recognition degree of the user for the presentation object; wherein a presentation-mode selecting unit presents the presentation object in a presentation mode corresponding to the recognition degree determined by the determination unit.

Device and method for presenting information according to a determined recognition degree

It is configured that, when an operation of selecting a type is accepted by an operation acceptance processing unit, an item re-selection unitre-selects one or multiple information processing items from among information processing items that are included in a plurality of information processing items stored in an information-processing item storage unit, and are information processing items of the type for which the operation of selecting is accepted, except for an information processing item already displayed on a liquid-crystal display

Information processing device and information processing method

Provided is a power conversion system having a solid-oxide fuel cell capable of stably generating electricity from hydrogen generated by an organic hydride. The power conversion system includes a solid-oxide fuel cell, a reactor for producing hydrogen and a dehydrogenation product from an organic hydride by dehydrogenation reaction, and a heat engine for generating motive power. The power conversion system separates the hydrogen produced by the reactor, and supplies the hydrogen as fuel to the solid-oxide fuel cell. Exhaust heat of the heat engine is supplied to both the solid-oxide fuel cell and the reactor.

Power conversion system

A light source apparatus for an endoscope, which has a lamp, a power source, a light adjustment control module that controls power to be supplied to the lamp within a range not more than an upper limit power based on a brightness instruction signal, and a continuous lighting sensing module that measures a continuous lighting time period from time when the lamp shifts from being extinguished to being lighted, compares the continuous lighting time period with a predetermined upper limit time period, and initializes the continuous lighting time period while the lamp is extinguished, wherein the upper limit power is set to a first upper limit power when the continuous lighting time period has not reached the upper limit time period, and changed to a second upper limit power lower than the first upper limit power in a stepwise manner when the upper limit time period has not been reached.

Light source apparatus for endoscope and control method for light source apparatus for endoscope

An engine system with a reformer, wherein an unreformed fuel is reformed by the reformer mounted in an exhaust pipe, and wherein a reformed fuel containing hydrogen is supplied to an engine. The engine system with a reformer includes a controller which, when the hydrogen generated by the reformer is supplied to the engine, determines a target heat generation beginning timing in accordance with a load applied to an engine, an engine speed, and an air excess ratio of an air-fuel mixture, and which controls an ignition timing of the engine so that a difference between a current heat generation beginning timing and the target heat generation beginning timing of the engine is within a predetermined range.

Engine system with reformer

In an engine system with a reformer being installed in an exhaust pipe to reform a fuel, a control valve for controlling a flow rate of exhaust gas is provided downstream from an installed position of the reformer in the exhaust pipe. In the engine system with the reformer, since a part of the exhaust gas can be trapped in a space between the reformer and an engine chamber by closing the control valve during an exhaust stroke, the reforming efficiency of the reformer can be heightened.

An electronic endoscopic apparatus of the present invention can improve the usage efficiency of a circuit of a control section therein and can improve the reliability of operations of the circuit. The electronic endoscopic apparatus is an electronic endoscopic apparatus having multiple operation modes to be executed exclusively, the apparatus internally including an FPGAthat internally includes a CPUand peripheral circuits and controls the execution of the operation modes and a switching request detecting section that detects a request for switching to the operation mode to be executed, wherein the internal configuration of the FPGAis changed based on the detection result by the switching request detecting section.

Electronic endoscopic apparatus

Disclosed is an engine system with a reformer, the engine system comprising a reformer and driving an engine using, as a fuel, a reformed fuel produced by reforming pre-reformed fuel with the reformer, in which the reformer is connected with both a pre-reformed fuel supply adjustment unit which adjusts the amount of the pre-reformed fuel supplied to the reformer and a reformed fuel supply adjustment unit which adjusts the amount of reformed fuel supplied to the engine, and the reformer is installed adjacent to the engine combustion chamber via the reformed fuel supply adjustment unit.

Growing community of inventors

Tokyo, Japan

Atsushi Shimada