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

Victor Company of Japan, Limited

Sony Semiconductor Solutions Corporation

Hitachi Metals, Ltd.

Hitachi Chemical Company, Ltd.

Canon Kabushiki Kaisha

Ricoh Company, Ltd.

Sony Group Corporation

Masahiro Watanabe

Toshihiko Nakata

Kenichiro Yamane

Takenori Hirose

Wataru Tsujita

Sosuke Nakamura

Akira Kikuchi

Naohisa Uehara

Shunji Maeda

Takashi Ohsawa

Minori Noguchi

Masahiro Shimizu

Satoru Yamada

Yusuke Takahashi

Mitsuharu Ohki

Yuji Takagi

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

Taichi Sato

Satoru Nishioka

Nobuki Furue

Yuichi Kikuchi

Atsuko Takafuji

Tetsuo Hino

Takeroh Kurenuma

Masatoshi Kumagai

Yukio Kembo

Tetsuro Hirota

Masayuki Kobayashi

Yasuhiro Gunji

Yasuo Sato

Takafumi Okabe

Kiyoshi Fujimoto

Tomohito Taniguchi

Kensei Jo

Shinichi Sakamoto

Kazuaki Nagaoka

Kenji Maruno

Kazuo Yamashita

Yuki Tsujii

Yoshihiko Takeuchi

Kenji Inomata

Kaifeng Zhang

Masahiro Shikai

Yasushi Tomita

Norifumi Muranaka

Taiki Kinoshita

Toshiyuki Takahara

Shuichi Baba

Hideyuki Kobayashi

Tomonori Masuno

Kunimasa Kawamura

Masahiro Yatsu

Norihisa Okada

Kunihiko Tsunedomi

Tomomichi Ito

Shingo Nishizaki

Takehiko Aoyama

Atsushi Uematsu

Tatsuo Hariyama

Norihiko Motoyama

Eisuke Kuroda

Takafumi Morimoto

Mikio Shimada

Kazushi Yoshimura

Daisuke Nakayama

Shota Omi

Akio Yazaki

Keisuke Touyama

Noboru Miyagawa

Keiko Abe

Takehiro Tachizaki

Tetsunori Nakayama

Hiroaki Kasai

Hideyuki Takagi

Manabu Omoda

Toshiyuki Sawa

Yasushi Harada

Toru Kurenuma

Satoshi Sekino

Yasutaka Kimura

Kouichi Hayakawa

Koji Utsumi

Masami Iizuka

Sadao Mizushima

Masayoshi Takeda

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

The present invention provides a methacrylic resin composition for non-contact hot plate welding comprising a methacrylic resin comprising 80 to 99.9% by mass of a methacrylic acid ester monomer unit and 0.1 to 20% by mass of a unit of at least one additional vinyl monomer copolymerizable with the methacrylic acid ester monomer, wherein the methacrylic resin composition has a melt flow rate (MFR) of 2.5 g/10 min or lower at 230&#xb0; C. at a load of 3.8 kg.

Methacrylic resin composition for non-contact hot plate welding, molded article, and method for producing same

There is provided a power system stability analysis device that analyzes stability of a power system by obtaining measurement data from a high-accuracy measurement device and existing measuring instruments installed in the power system, the apparatus including: a system state estimation unit that estimates a system state of the power system by using measurement data from the existing measuring instruments at a plurality of points in the power system; a synchronous stability analysis unit that analyzes synchronous stability in an assumed failure by using an estimation result of the system state; and a synchronous stability analysis correction unit that corrects the synchronous stability according to a difference between the estimation result of the system state and the measurement data of the high-accuracy measurement device to improve accuracy of synchronous stability analysis of the power system.

Power system stability analysis device, stabilization apparatus, and method

Growing community of inventors

Tokyo, Japan

Masahiro Watanabe