Renesas Electronics Corporation

Hitachi, Ltd.

Nec Corporation

Mitsubishi Electric Corporation

Renesas Technology Corp.

Hitachi Automotive Systems, Ltd.

Nippon Electric Co., Ltd.

Other

Murata Manufacturing Co., Ltd.

Kabushiki Kaisha Toyota Jidoshokki

Taiyo Yuden Co., Ltd.

Hitachi Construction Machinery Co., Ltd.

Kabushiki Kaisha Topcon

Nkk Corporation

Kabushiki Kaisha Toshiba

Takashi Ogawa

Yasushi Shigeno

Akishige Nakajima

Shinichiro Takatani

Shigeki Koya

Shinya Osakabe

Junichi Sakano

Yoshinobu Kimura

Kimihisa Furukawa

Tsutomu Shikada

Hiroyuki Takazawa

Yotaro Ohno

Takayuki Jinno

Masatsugu Mizuguchi

Hiroshi Suzuki

Takahiro Suzuki

Takashi Ishikawa

Toshiyuki Hirota

Hiroyuki Hasegawa

Kohei Sakurai

Shinji Seto

Toshifumi Suzuki

Yoshiaki Okuno

Yuichiro Morita

Hirohito Watanabe

Keisuke Takayama

Hideo Kitamura

Naoki Sakurai

Yuki Ogawa

Takashi Okada

Nobuaki Kobayashi

Masaki Koyama

Masayuki Komatsu

Masafumi Moriya

Kazuo Hosoda

Yoshihiko Mori

Takeshi Furukawa

Jun Bunya

Fumihiko Kamizono

Yosuke Tanabe

Yoshinori Kawai

Eigo Tange

Shuhei Nagata

Kan Kobayashi

Hiroshi Matsumura

Katsushi Sugiyama

Kaoru Fujimoto

Koji Hika

Haruhiko Hirata

So Satoh

Masami Ono

Keiichi Okuyama

Keiji Tomura

Kazuki Tani

Daiki Nakahara

Kazunori Kimura

Yukio Ohashi

Seiji Aoki

Tomoyuki Ishikawa

Kaoru Katoh

Hisashi Endou

Keiichi Nakamoto

Teruo Nakamura

Naofumi Harada

Renichi Yamada

Takuya Kadowaki

Masatake Kawashima

Manabu Sakurai

Seisaku Minamibayashi

Yukio Oohashi

Yutaka Sakamoto

Mayu Hashimoto

Kazuhiro Terada

Norio Inoue

Tomoyuki Ri

Toshiaki Sango

Shinji Igari

Isao Ochi

Satoshi Nomura

Takashi Tanimoto

Tadahiko Inaba

Hiroyuki Okayama

Naoki Barada

Kei Yanagimoto

Sadayoshi Iwabuchi

Kiyoto Itoh

Tsuneo Kano

Norio Otake

Shinnichirou Takatani

Hideya Yamamura

Yasuhiro Mogi

Yasuo Miyoshi

Kazuro Suzuki

An aircraft vibration detecting device applicable to an aircraft having a moving surface to be driven by an actuator includes a difference calculating unit for calculating a difference between a target value of an angle of the moving surface and an actual measured value of the angle of the moving surface, a threshold value determining unit for determining whether an absolute value of the difference is equal to or greater than a threshold value, and a vibration determining unit for determining that the moving surface is vibrating if the absolute value of the difference is equal to or greater than the threshold value.

Aircraft vibration detecting device, aircraft vibration detecting method, and non-transitory computer-readable storage medium storing thereon program for aircraft vibration detection

A method is provided with a step of converting shape data () into a plurality of voxels () for each of a plurality of known objects being processed, a step of setting, for each of the known objects being processed, a processing condition for a voxel () constituting a processing surface, a step of using the voxel () of the plurality of known objects being processed and the processing condition to perform machine learning in which an input is the voxel () and an output is a processing condition, a step of converting shape data () of a candidate object being processed into a plurality of voxels (), a step of setting, on the basis of results of machine learning, a processing condition for a voxel () constituting a processing surface of the candidate object being processed, and a step of determining a processing condition for each processing surface of the candidate object being processed, a processing condition that is set for the largest number of voxels () in one processing surface being determined as a processing condition for said processing surface.

Method and device for determining processing condition

If irregular movement is detected in a given one of left and right spoilers, a spoiler control device outputs a retracting signal for the given one of the spoilers and refrains from outputting the retracting signal for the other of the left and right spoilers, and if the difference between the angles of the left and right spoilers becomes equal to or less than a specified value, the spoiler control device outputs the retracting signal for the other of the left and right spoilers.

Spoiler control device, spoiler control method, and storage medium storing thereon program for controlling spoiler

The redundancy control device includes three controllers that output status signals, a majority voting circuit to which a first voltage or a second voltage is supplied as an output signal through an output line of each controller, a switch provided in each output line, a voltage supply unit provided for each output line to supply the second voltage to the output line when the first voltage is lost, a latch circuit provided for each output line to latch the second voltage when the second voltage is supplied thereto and continue to output the second voltage, a comparison circuit provided for each controller to output a comparison signal based on a comparison of the status signals, and a switch control unit provided for each switch to outputs a switch signal to the switch in response to the comparison signal from the comparison circuit.

Redundancy control device for aircraft

A three-phase AC control apparatus includes: an equal duty sensing circuit; and a PWM signal control circuit. The equal duty sensing circuit senses whether any two of a U-phase, a V-phase, and a W-phase of a three-phase AC current have an equal duty value. The PWM signal control circuit outputs, when it is sensed that any two of the U-phase, the V-phase, and the W-phase of the three-phase AC current have the equal duty value, a control signal that shifts a timing of start and a timing of stop of one of the two phases having the equal duty value.

Three-phase AC control apparatus and three-phase AC control system

A temperature abnormality of the power module is accurately detected. A power conversion device including a power semiconductor module with a switching element, includes: a gate driver circuit configured to drive a switching element and transmitting a response signal upon a switching operation of the switching element; a control unit device configured to output to a gate driver circuit an instruction signal for switching; a temperature detection unit configured to calculate a bonding temperature of the switching element based on a response signal to the instruction signal; and a calculation unit configured to determine a state of a power semiconductor module according to a bonding temperature calculated by the temperature detection unit and the response signal.

Power conversion device, motor control system, and diagnosis method for power conversion device

A diagnostic system for a power conversion apparatus including a semiconductor device and performing a switching operation for carrying and interrupting a main current to a main current is disclosed. This system includes a trigger circuit that acquires reference time for the switching operation; and a delay time calculation circuit that acquires first time at which the main current takes a first main current set value and second time at which the main current takes a second main current set value, and that detects numerical data about a difference between the first time and the reference time and numerical data about a difference between the second time and the reference time.

Diagnosis system for power conversion device, diagnosis method for semiconductor module, and power conversion device

A settings data storage stores unique serial numbers and information regarding a plurality of patterns for alternately switching between normal operation for operating at high capacity and suppressed operation for operating at low capacity each unit time. A pattern specifier determines information for a pattern set in accordance with even and odd serial numbers. A water-heating heat amount determiner determines a heat amount necessary for water heating. A water heating scheduler establishes a water heating plan based on information regarding the pattern determined by the pattern determiner and the water-heating heat amount as determined by the water-heating heat amount determiner. A water heating controller alternately switches between normal operating and suppressed operation to heat water in accordance with the water heating plan established by the water heating scheduler.

Hot-water supply unit and hot-water supply system

In an air suspension system, starting of a compressor is facilitated in a condition in which there exists a pressure difference. There is provided an air suspension system in which air compressed by a compressor is supplied to a plurality of air chambers provided between a vehicle body side and a wheel side and configured to perform vehicle height adjustment in accordance with the supply and discharge of air. The compressor has a needle connected to a piston and extending in a moving direction of the piston, and an armature reciprocating the needle in the moving direction of the piston.

Air suspension system

A multi-layer ceramic electronic component includes: first internal electrodes each including a first main electrode and a first drawn portion extending from the first main electrode to a first end surface facing in a first direction; and second internal electrodes each including a second main electrode and a second drawn portion extending from the second main electrode to a second end surface facing the first end surface in the first direction, the first and second internal electrodes being alternately laminated, the first drawn portion having a width dimension along a second direction that decreases toward the first end surface and having a predetermined width dimension in the first end surface, the second direction being orthogonal to the first direction, the second drawn portion having a width dimension along the second direction that increases toward the second end surface and having the predetermined width dimension in the second end surface.

Multi-layer ceramic electronic component

The present invention is directed to a novel road information recognition system capable of highly accurately estimating the positions of lane markers to be located on the far side of a lane after change of lane. The present invention is equipped with a front lane marker detection means for detecting, by using a front imaging means, lane markers located ahead of a host vehicle; a side lane marker detection means for detecting, by using a side imaging means, the positions of lane marker located on both sides of the vehicle and a lane width; and a front lane marker estimation means for estimating the positions of the lane markers to be located on the far side of the lane after change of lane on the basis of the information regarding the lane markers located ahead of the vehicle, which is obtained by the front lane marker detection means, and the positions of the lane markers located on the sides of the vehicle and the lane width, which are obtained by the side lane marker detection means.

Road information recognition system and road information recognition method

A preparation system for surveying operation of the present invention includes a mobile station disposed at a known observation point and a fixed station disposed at an unknown reference point. The preparation system includes an arithmetic step to determine the position coordinate of the unknown reference point based on positioning data received by the mobile station, positioning data received by the fixed station, and a position coordinate of the known observation point, and an assigning step to assign the unknown reference point whose position coordinate is determined as the known reference point.

Preparation system for surveying operation

Display screen with graphical user interface

Display screen with animated graphical user interface

A power converter is provided with a power semiconductor module having a switching element. The power converter includes a gate drive circuit, a first detection unit, a second detection unit, a time measuring unit, and an abnormality diagnostic unit. The gate drive circuit drives the switching element and outputs a feedback signal based on a switching operation of the switching element. The first detection unit detects a change in a feedback signal of an upper arm of the power converter. The second detection unit detects a change in a feedback signal of a lower arm of the power converter. The time measuring unit measures a difference between detection timings of a signal change by the first detection unit and a signal change by the second detection unit. The abnormality diagnostic unit performs diagnosis of the power converter based on a measurement result by the time measuring unit.

Power converter and diagnostic system thereof

Growing community of inventors

Tokyo, Japan

Takashi Ogawa