Mitsubishi Denki Kabushiki Kaisha

Other

Kabushiki Kaisha Yaskawa Denki

Renesas Technology Corp.

Renesas Electronics Corporation

Mitsubishi Electric Engineering Company, Limited

Fuji Xerox Co., Ltd.

Mitsubishi Chemical Corporation

Mitsubishi Rayon Company, Limited

Yamabiko Corporation

Nhk Spring Co., Ltd.

Kureha Kagaku Kogyo Kabushiki Kaisha

Kobayashi Pharmaceutical Co., Ltd.

Fuji Electric Systems Co. Ltd.

Toppan Forms Co., Ltd.

Akira Yamazaki

Katsumi Dosaka

Fukashi Morishita

Yasuhiro Konishi

Masaki Kumanoya

Yasuhiko Taito

Nobuyuki Fujii

Hisashi Iwamoto

Kouji Hayano

Mihoko Akiyama

Hideaki Abe

Yasuhiro Ishizuka

Katsumitsu Himukashi

Mako Okamoto

Tsukasa Saiki

Mako Kobayashi

Naoki Izumi

Masayuki Hirokawa

Shigeki Tomishima

Shigemasa Shiota

Daisuke Oshida

Shigeru Furuta

Shunichi Abe

Tadato Yamagata

Makoto Hatakenaka

Tetsuya Uebayashi

Jun Ohtani

Masashi Uzawa

Kentaro Inomata

Naoya Watanabe

Takeshi Fujino

Hideaki Iura

Shingo Fukumaru

Atsuo Mangyo

Takashi Fujimori

Takumi Nonaka

Koji Bando

Isamu Hayashi

Hideki Watanabe

Soshi Kuroda

Masato Higuchi

Tsuyoshi Mabara

Joji Ebisu

Kohei Yamada

Senggyu Cho

Takahiro Sakai

Ryouhei Yamashita

Tamotsu Saitou

Kazutami Arimoto

Kosuke Matsumoto

Masatoshi Yasunaga

Shinya Morimoto

Atsushi Miyanishi

Hidenori Hara

Hironori Matsushima

Kazuyuki Misumi

Kazuyuki Koda

Tatsuhiko Akiyama

Kenya Hironaga

Shiro Yamaguchi

Naoto Okumura

Takamasa Otsuji

Hiroya Fukuda

Hiroyuki Miyaki

Hyundeok Ha

Masashi Matsumura

Hideo Shimizu

Hideyuki Noda

Satoshi Sugahara

Masaru Haraguchi

Kazunari Inoue

Yasuhiro Fukuda

Yoshiki Ono

Kozo Ide

Tetsuya Kawashima

Kouhei Yamada

Akihiko Chiba

Ryusuke Nakata

Miho Morita

Toshiro Kisakibaru

Hideyuki Arakawa

Takashi Higuchi

Yoshiko Irie

Hirofumi Kinomura

Shinji Saiki

Masashi Sakamoto

Isao Honbori

Keisuke Uchiyama

Yoshiaki Ide

Naoya Yasuda

Hiroaki Iriyama

Takeshi Yamakami

Munseok Yang

Saki Makigawa

Yasutaka Koga

Yoshio Yukinari

Shiro Yamahashi

Kazunari Matsuoka

Jun Miyake

Yukihiko Isetani

To provide a power conversion device that is effective for improving controllability of power in power conversion for multilevel voltage output. A power conversion device includes a switching circuit configured to supply a current to a motor by connecting and disconnecting a first point having a first potential, a second point having a second potential greater than the first potential, and a neutral point having a neutral potential between the first potential and the second potential to and from the motor, a neutral potential control unit configured to control the switching circuit in a manner to maintain the neutral potential within a target range, and a current control unit configured to increase a supply current to the motor without affecting a driving force generated by the motor at least when controlling the switching circuitby the neutral potential control unit.

Power conversion device and power conversion method

A power conversion device connected in parallel to a second power conversion device including power conversion circuitry that performs power conversion by changing a connection state between first multiple lines on a primary side and second multiple lines on a secondary side, baseline selection circuitry that selects one of the second multiple lines on the secondary side as a baseline and partial modulation control circuitry that controls the power conversion circuitry to maintain a state in which the baseline is connected to one of the first multiple lines on the primary side and to change a connection state between other second multiple lines on the secondary side and the first multiple lines on the primary side, wherein the baseline selection circuitry switches a line selected as the baseline based on a switching timing used by second baseline selection circuitry of the second power conversion device to select a second baseline.

Power conversion device, power conversion system, and power conversion method

A conductive composition comprising a conductive polymer (A), a water-soluble polymer (B), and a solvent (C1), wherein: the water-soluble polymer (B) comprises a water-soluble polymer (B11) represented by formula (11), and an amount of a water-soluble polymer (B2) represented by formula (2) as the water-soluble polymer (B) is 0.15% by mass or less, based on a total mass of the conductive composition: wherein Rdenotes a linear or branched alkyl group with 6 to 20 carbon atoms, each of Rand Rindependently denotes a methyl or ethyl group, Rdenotes a hydrophilic group, Rdenotes a hydrogen atom or a methyl group, Ydenotes a single bond, &#x2014;S&#x2014;, &#x2014;S(&#x2550;O)&#x2014;, &#x2014;C(&#x2550;O)&#x2014;O&#x2014; or &#x2014;O&#x2014;, Z denotes a cyano group or a hydroxy group, each of p1 and q denotes an average number of repetitions, and is a number of from 1 to 50, and m denotes a number of from 1 to 5.

Conductive composition and production method therefor, and water-soluble polymer and production method therefor

A power conversion device includes processing circuitry that estimates a magnet magnetic flux of an electric motor based on a d-axis magnetic flux generated in the electric motor, a d-axis inductance of the electric motor, and a d-axis current flowing in the electric motor, estimates a q-axis inductance of the electric motor based on a q-axis magnetic flux generated in the electric motor and a q-axis current flowing in the electric motor, estimates a drive force of the electric motor based on the magnet magnetic flux and the q-axis inductance, and corrects a current command such that the drive force follows a drive force command.

Power conversion device, power conversion method and program

A device that can accurately detect clogging of a filter and that has a simple structure is provided. A device for measuring clogging of a filter in an air conditioner () having a blower () that blows gas (), () through a duct () and a filter () that is provided in the duct () and filters dust floating in the gas, comprises a device () for measuring a sound pressure that is provided in the duct (), a data processor () that extracts data on the sound pressure at a specific frequency from the data on the sound pressure that have been measured by means of the device () for measuring a sound pressure, and an estimating device () that estimates clogging of the filter based on the data on the sound pressure at the specific frequency that have been extracted by means of the data processor ().

Device for measuring clogging of filter in air conditioner and air conditioner

A power conversion apparatus connectable in parallel to a second power conversion apparatus includes circuitry that generates a carrier wave, generates a pulse signal synchronized with the carrier wave, generates power that is based on a width of the pulse signal, obtains a monitor value corresponding to a circulating current circulating between the power conversion apparatus and the second power conversion apparatus, and based on the monitor value obtained while the power conversion circuitry is generating driving power, changes a period of the carrier wave to decrease the circulating current.

Power conversion apparatus, power conversion system, and method for converting power

A device includes: a first power conversion circuitry configured to convert primary-side power into secondary-side power; and a control circuitry configured to: generate a command value associated with the secondary-side power; calculate a limited command value by modifying the command value so that the command value is equal to or less than a secondary-side limit, wherein the first power conversion circuitry is controlled based on the limited command value; transmit the limited command value to a second power conversion device comprising a second power conversion circuitry connected in parallel to the first power conversion circuitry; receive, from the second power conversion device, information indicating an adjustment value, wherein the adjustment value is added to the limited command value for controlling the second power conversion circuitry; and modify the secondary-side limit based on a difference between a primary-side limit associated with the primary-side power and the adjustment value.

A power conversion apparatus includes a power converter circuit that outputs an AC power to an electric motor, and circuitry that controls the power converter circuit to add a first change, accompanying a change of a power generated by the electric motor, to a first phase angle, which is a phase angle of a magnetic flux direction of the electric motor corresponding to the AC power, extracts a component generated by the first change from first information indicating the electric power supplied to the electric motor, and estimates the power generated by the electric motor based on the component.

Power conversion apparatus, power estimating method for electric motor, and control method for electric motor

A multi feed detection device includes a position detector that detects a position of paper being transported, a multi feed detector that is disposed on a downstream side of the position detector in a paper transport direction and detects multi feed of the paper being transported, and a control section that performs control such that multi feed detection by the multi feed detector is stopped when a leading end of paper being transported next to paper, on which multi feed detection is executed by the multi feed detector, is detected by the position detector.

Multi feed detection device, paper transport device, and non-transitory computer readable medium storing program

This conductive composition includes: a conductive polymer (a) having a sulfonic acid group and/or a carboxy group; a basic compound (b) having at least one nitrogen-containing heterocyclic ring and an amino group; an aqueous polymer (c) having a hydroxyl group (excluding the conductive polymer (a)); a hydrophilic organic solvent (d); and water (e).

Conductive composition, antistatic film, laminate and production therefor, and production method for photomask

Provided is a cryptographic communication system including a first semiconductor device and a second semiconductor device. The first semiconductor device includes a common key generation unit that generates a common key CK(a) by using a unique code UC(a) and correction data CD(a), and an encryption unit that encrypts the common key CK(a) generated in the common key generation unit by using a public key PK(b) of the second semiconductor device. The second semiconductor device includes a secret key generation unit that generates a secret key SK(b) by using a unique code UC(b) and correction data CD(b), and a decryption unit that decrypts the common key CK(a) encrypted in the encryption unit by using the secret key SK(b).

Cryptographic communication system and cryptographic communication method

An engine-driven working machine includes a controller, which varies a control value of a solenoid valve so as to decrease or increase an opening degree of the solenoid valve when a rotating speed of an engine is within a predetermined high rotating speed range and the rotating speed of the engine is lower or higher than a predetermined rotating speed, respectively. When the control value of the solenoid valve is varied so as to decrease the opening degree of the solenoid valve and corresponds to a predetermined opening degree larger than a fully-closed state, the control value is set to a limitation value.

Handheld engine-driven working machine

A motor controller includes a driver, a current detector, and a command generator. The driver is configured to drive a power converter based on a flux command on which an exploration signal is superimposed. The current detector is configured to detect an output current output from the power converter that has been driven by the driver. The command generator is configured to generate the flux command so as to reduce a current component, among current components included in the output current detected by the current detector, that corresponds to the exploration signal.

Motor controller, flux command generator, and method for generating flux command

Provided are: a conductive composition containing a conductive polymer (A) satisfying the below-mentioned condition (i) and a compound (B) having at least 3 hydroxyl groups, and having a pH at 25&#xb0; C. of a 1 mol/L aqueous solution of no greater than 9.0; a conductive composition that further contains a water-soluble polymer (C) having a hydroxyl group; and a solid electrolytic capacitor having a solid electrolytic layer containing the composition. Condition (i): the volume-average particle size of the smallest particle distribution containing the smallest peak exhibited by the particle size among at least one peak obtained by measuring the particle distribution by means of a dynamic light scattering method using a conductive polymer solution containing 1% by mass of the conductive polymer being less than 26 nm.

Conductive composition and solid electrolytic capacitor obtained using aforementioned composition

The electroconductive composition of the present invention contains an electroconductive polymer (A) having a sulfonic acid group and/or carboxylic acid group, and a basic compound (B) having two or more nitrogen atoms. The electrical conductor of the present invention consists of the electroconductive composition. In the laminate of the present invention, the electrical conductor is laminated on at least one surface of a substrate. The method for producing a laminate of the present invention includes applying the electroconductive composition to at least one surface of a substrate, heating and drying the composition, and forming an electrical conductor. The electroconductive film of the present invention is provided with the electrical conductor. The solid electrolyte condenser of the present invention is provided with a positive electrode consisting of a porous body of a valve metal, a dielectric layer formed by oxidizing the positive electrode surface, and one or more solid electrolyte layers formed on the dielectric layer surface side, and at least one of the solid electrolyte layers is formed of the electroconductive composition.

Electroconductive composition, electrical conductor, laminate and method for producing same, electroconductive film, and solid electrolyte condenser

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Hyogo, Japan

Akira Yamazaki