Hitachi, Ltd.

Mitsubishi Denki Kabushiki Kaisha

Honda Giken Kogyo Kabushiki Kaisha

Mitsubishi Electric Corporation

Mitsubishi Heavy Industries Limited

Other

Sony Corporation

Nippon Telegraph and Telephone Corporation

Sony Semiconductor Solutions Corporation

Victor Company of Japan, Limited

Hitachi Metals, Ltd.

Hitachi Chemical Company, Ltd.

Canon Kabushiki Kaisha

Ricoh Company, Ltd.

Sony Group Corporation

Masahiro Watanabe

Toshihiko Nakata

Kenichiro Yamane

Kazuo Yamashita

Takenori Hirose

Wataru Tsujita

Sosuke Nakamura

Akira Kikuchi

Naohisa Uehara

Shunji Maeda

Takashi Ohsawa

Minori Noguchi

Satoru Yamada

Masahiro Shimizu

Yusuke Takahashi

Yuji Takagi

Mitsuharu Ohki

Kazuhiro Yamauchi

Takashi Hiroi

Hiroshi Araki

Yuta Urano

Hiroyuki Shinada

Kazuo Kato

Masayuki Yamane

Atsushi Taniguchi

Kazuo Aoki

Manabu Edamura

Toshiro Higuchi

Hideki Inoue

Yoshihito Ohki

Ryo Nakagaki

Shunji Katoh

Kaoru Sakai

Satoru Nishioka

Taichi Sato

Yuichi Kikuchi

Masatoshi Kumagai

Nobuki Furue

Tetsuo Hino

Atsuko Takafuji

Takeroh Kurenuma

Yukio Kembo

Tetsuro Hirota

Masayuki Kobayashi

Yasuhiro Gunji

Yasuo Sato

Takafumi Okabe

Kiyoshi Fujimoto

Tomohito Taniguchi

Kensei Jo

Kazuaki Nagaoka

Shinichi Sakamoto

Yasushi Tomita

Hideyuki Kobayashi

Norifumi Muranaka

Masahiro Yatsu

Kunimasa Kawamura

Tatsuo Hariyama

Kenji Maruno

Kenji Inomata

Tomonori Masuno

Norihisa Okada

Atsushi Uematsu

Yuki Tsujii

Kaifeng Zhang

Masahiro Shikai

Taiki Kinoshita

Toshiyuki Takahara

Norihiko Motoyama

Kunihiko Tsunedomi

Tomomichi Ito

Shingo Nishizaki

Takehiko Aoyama

Shuichi Baba

Hiroaki Kasai

Eisuke Kuroda

Keiko Abe

Takafumi Morimoto

Mikio Shimada

Akio Yazaki

Kazushi Yoshimura

Daisuke Nakayama

Keisuke Touyama

Noboru Miyagawa

Yoshihiko Takeuchi

Takehiro Tachizaki

Tetsunori Nakayama

Shota Omi

Toru Kurenuma

Hideyuki Takagi

Manabu Omoda

Yasushi Harada

Toshiyuki Sawa

Satoshi Sekino

Yasutaka Kimura

Kouichi Hayakawa

Masami Iizuka

Koji Utsumi

Sadao Mizushima

Masayoshi Takeda

An electric power system planning operation device against occurrence of a disaster includes: a disaster information selection unit that selects disaster information data of a disaster type to be handled; a disaster countermeasure candidate calculation unit that calculates a disaster countermeasure candidate, system maintenance countermeasure candidate data, and system operation countermeasure candidate data; a reliability economic efficiency index value calculation unit that calculates a reliability economic efficiency index value for the disaster countermeasure candidate calculation result, system data that is information about the configuration of an electric power system, damage cost data that is information about the amount of damage at the time of an assumed disaster type, and reliability economic efficiency index data that is information indexing a relation between reliability and economic efficiency; and a disaster countermeasure decision unit that decides a disaster countermeasure by using the reliability economic efficiency index value data.

Electric power system planning operation device, method, and system

According to the present invention, a measured distance is corrected in accordance with change in the surrounding environment. A distance measurement system includes: a first light-receiving unit configured to irradiate an object with one part of a split light beam as assessment light, and receive light reflected by the object to detect a target assessment beat signal; a second light-receiving unit configured to guide the other part of the split light beam as reference light to a reference optical path serving as a distance reference, and receive the reference light that has passed through the reference optical path to detect a reference optical path assessment beat signal; a distance measurement unit configured to measure a distance to the object on the basis of the target assessment beat signal and the reference optical path assessment beat signal; a temperature sensor configured to assess a temperature in the periphery of the reference optical path; and a correction unit configured to correct the measured distance on the basis of the assessed temperature.

Distance measurement system and distance measurement method

A power system, which can appropriately control an output power of a power plant, includes a power plant, a power transmission flow limiter inserted between the power plant and a substation via transmission lines and, and a control system, wherein the control system outputs to the power transmission flow limiter a power transmission flow limitation signal CP indicating that an output power P of the power plant should be limited; and the power transmission flow limiter limits the output power P of the power plant, which is transmitted via the transmission lines and on the basis of the power transmission flow limitation signal CP.

Power system and control method of power system

This assembly comprises a wall body in which is formed a through-hole passing through in a thickness direction, and a component fixed to one surface of the wall body so as to cover the through-hole, a welded part welded so as to fix the component to the one surface being accommodated within the through-hole.

Assembly, method for manufacturing assembly, burner, and method for manufacturing burner

Distance measuring is disclosed. In one example, a distance measuring sensor includes a light receiving unit that receives reflected light obtained by reflection of irradiation light emitted from a predetermined light emitting source by an object; a depth calculation unit that calculates distance information to the object and luminance information from a signal obtained by the light receiving unit; and a detection processing unit that executes a predetermined detection process by using at least one of the distance information or the luminance information in accordance with a current operation mode selected from among a plurality of operation modes, and outputs a result of a detection process to the outside together with the distance information and the luminance information.

Distance measuring sensor, signal processing method, and distance measuring module

Provided is a spectroscopic measurement device capable of improving detection sensitivity to a change in a physical property value such as expansion of a sample to which energy is applied by an infrared ray or the like. The spectroscopic measurement device includes: a stage on which a sample is to be placed; an energy source configured to generate an energy beam to be emitted to a predetermined region of the sample; an electromagnetic wave source configured to generate an electromagnetic wave to be emitted to the sample; an objective lens configured to focus the electromagnetic wave in the predetermined region; two confocal detectors configured to detect the electromagnetic wave reflected by the sample; and a calculation unit configured to calculate, based on each of outputs of the confocal detectors, a change in a physical property value of the sample when the energy beam is emitted to the predetermined region.

Spectroscopic measurement device

Provided is a spectrometry apparatus that suppresses a reduction in usage efficiency of an irradiation energy of a light. A spectrometry apparatus of the disclosure includes a stage on which a sample is placed, an electromagnetic source that emits an electromagnetic wave, one or a plurality of optical elements that transform a spatial energy distribution of the electromagnetic wave and emit the electromagnetic wave, and a reflective objective lens that collects the electromagnetic wave after a transformation of the spatial energy distribution and irradiates the sample with the collected electromagnetic wave.

Spectrometry apparatus

A high-temperature part of the present disclosure includes: a high-temperature part body which includes a base and a coating layer formed on a part of a surface of the base; and a protective layer which is formed on at least a part of a surface of the coating layer. The protective layer is formed of a material which is allowed to disappear from a surface of the coating layer under an operation environment of a gas turbine.

High-temperature part and gas turbine including the same

A power generation planning apparatus that calculates a generation plan which is a plan of starting and stopping and output power of electric generators. The apparatus includes an information calculation unit that calculates demand and supply of electric power, a plan calculation unit that calculates the generation plan of the starting and stopping and the output power of the electric generators by using, as an input, the generation information calculated by the information calculation unit, and an adjustment unit that calculates a generation plan with a time interval shorter than the generation plan by adjusting a starting initiation time and/or a stopping initiation time of the electric generator in the generation plan such that total power generation cost is reduced by using, as inputs, the generation plan calculated by the plan calculation unit and generation information with a time interval shorter than the generation plan.

Power generation planning apparatus

An output content generation device, includes: a first calculation unit that calculates a size, in a display region of a display device, of each of pieces of information to be displayed in the display region; a determination unit that determines whether or not the pieces of information are arrangeable in the display region, based on the size of each of the pieces of information and a size of the display region; and a generation unit that allocates the pieces of information in a plurality of screens accommodated in the display region in a distributed manner, and generates output content of the pieces of information, when the pieces of information are not arrangeable in the display region, thereby enabling information to be legibly viewable.

Output content generation apparatus, output content generation method and program

A power system stability monitoring device comprising: a simple stability calculation unit that calculates the angular velocity and internal phase angle of a generator in each fault case based on fault conditions and the system configuration of the power system; a severity indicator calculation unit that calculates a severity indicator that represents the degree of system instability based on the angular velocity and internal phase angle; a PCS power supply severe parallel-off condition extracting unit that calculates a PCS power supply parallel-off severity indicator based on a parallel-off sensitivity indicator representing a degree of influence of PCS power supply parallel-off on the degree of instability and the severity indicator, and that extracts fault cases where the parallel-off severity indicator exceeds a prescribed threshold; and a detailed stability calculation unit that performs a detailed stability calculation for each extracted fault case based on the severity indicator or parallel-off severity indicator.

Stability monitoring device and method

A distance measuring device includes a light emitting unit that outputs a measurement light, a first polarization state control unit that controls a polarization state of the measurement light output from the light emitting unit, a second polarization state control unit that controls the polarization state of the measurement light of which a polarization state is controlled by the first polarization state control unit, and an optical path switching element that selects an emission direction of the measurement light of which a polarization state is controlled by the second polarization state control unit, in which the second polarization state control unit controls the polarization state of the measurement light so that the measurement lights are emitted from the optical path switching element in a plurality of the emission directions, and the optical path switching element receives a reflected light obtained by reflecting the emitted measurement light by an object.

Distance measuring device, distance measuring method, and three-dimensional shape measuring apparatus

A shape of an object is measured with a high degree of accuracy. A shape measurement system comprises: a distance measuring head for irradiating an object with light and receiving light reflected from the object; a distance measuring device for generating a distance detection waveform on the basis of the reflected light; and a control device for analyzing the distance detection waveform and calculating a measured distance value to the object. The shape measurement system is characterized in that the control device calculates a feature amount of the distance detection waveform and performs at least one of a process of correcting an error in the measured distance value by substituting the feature amount into a correction formula and a process of performing a confidence weighting of an error in the measured distance value by substituting the feature amount into a confidence weighting formula.

Shape measuring system and shape measuring method

Provided is a shape measurement system in order to perform three-dimensional measurement corresponding to a measurement object having various shapes, which includes a measurement probe, a probe tip, and a processor. The probe tip includes an optical element that is configured to irradiate an object with measurement light and a cylindrical unit that is configured to lock the optical element. The processor is configured to calculate an optical path length from the optical element to an object based on reflected light of the measurement light with which the object is irradiated; and calculate a three-dimensional shape of the object based on the input information and the optical path length.

Shape measurement system, probe tip unit, and shape measurement method

A voltage stability monitoring device and a method capable of obtaining information of voltage stability that can be served to practical use within a range of assumed conditions during a predetermined monitoring period are provided. The present invention provides a voltage stability monitoring device for estimating a voltage stability by using a voltage stability curve representing the voltage stability in an electric power system, including a voltage stability limit prediction unit for predicting a voltage stability limit, a voltage stability calculation condition determination unit for determining voltage stability calculation conditions by using a prediction result of voltage stability limit, a voltage stability curve calculation unit for calculating the voltage stability curve using a result of the voltage stability calculation condition determination, and a voltage stability margin calculation unit for calculating a voltage stability margin using a calculation result of the voltage stability curve.

Voltage stability monitoring device and method

Growing community of inventors

Tokyo, Japan

Masahiro Watanabe