Hitachi, Ltd.

Canon Kabushiki Kaisha

Mitsubishi Electric Corporation

Kabushiki Kaisha Topcon

Kabushiki Kaisha Toshiba

Ricoh Company, Ltd.

Mitsubishi Denki Kabushiki Kaisha

Nippon Telegraph and Telephone Corporation

Centre National De La Recherche Scientifique

Daikin Industries, Ltd.

Jvc Kenwood Corporation

Nippon Telegraph and Telephone Public Corporation

Fujitsu Takamisawa Component Limited

Calpis Co., Ltd.

Mitsubishi Electronic Corporation

Hiroshi Yoshikawa

Hiroaki Makino

Kenji Saitoh

Takashi Kobayashi

Hidetomo Nakagawa

Nobuhiro Kakeno

Shinji Uchiyama

Hitoshi Matsushima

Hajime Ikeda

Takehiko Yamada

Masakazu Matsugu

Takashi Ikeda

Yusuke Mitarai

Umeshwar Dayal

Akira Takahashi

Hiroshi Yamada

Shingo Hamada

Toshihiro Yamada

Yukinobu Maruyama

Hisashi Isozaki

Masaaki Takizawa

Yoji Shibata

Jun Furuya

Atsuo Yoshida

Seiji Hirakawa

Toru Ebihara

Hisashi Endou

Yosuke Kikuchi

Koji Sachimoto

Takaya Tanabe

Michihiro Yamazaki

Ryoji Nakagawa

Daisuke Kotake

Hideaki Sato

Manabu Yamamoto

Masakazu Tohara

Masafumi Takimoto

Abel C Rousset

Yoichiro Iwa

Philippe Tailhades

Shiki Takabayashi

Kazuyuki Ota

Akihiro Hori

Yoshiaki Kurokawa

Hiroyuki Shinbata

Kenichi Saito

Chiaki Takubo

Hiroto Yoshii

Kazumasa Tanida

Tsutomu Takahashi

Takayuki Nakagawa

Takahide Tadokoro

Shoji Yamada

Toshiyuki Utsuki

Tadayuki Imai

Hitoshi Sugiyama

Tamotsu Koike

Seiji Nakashima

Kunihiko Kaga

Masato Arai

Michio Sasaki

Naohiro Kamijo

Masahiro Endo

Masanori Miyagi

Shogo Yagi

Ravigopal Vennelakanti

Kazutaka Akiyama

Hidetoshi Morita

Akihide Tanaka

Yasuaki Kato

Atsuko Yamashita

Toshinaka Shinbutsu

Masahiro Sekiguchi

Masami Yamasaki

Shuichi Amano

Isamu Takahashi

Naohiro Takahashi

Susumu Harada

Masayuki Dohi

Kazunari Morita

Xudong Zhang

Yukio Kuroiwa

Hisashi Endo

Masato Takada

Tetsuya Hattori

Takashi Ohwada

Akihiro Masuyama

Shingo Hirose

Naoto Miki

Etsuji Matsuyama

Masakatsu Senda

Hiroshi Nakatani

Sou Suzuki

Yasuharu Itano

Naoya Okizaki

Hironori Nakajo

Anshuman Sahu

Yutaka Shida

Makoto Yoshihashi

A machining condition searching method includes: generating a machining condition to be set in a machining device; collecting a machining state; collecting the machining result performed under the machining condition; calculating an evaluation value of the machining on the basis of the machining result; constructing an evaluation value prediction model predicting, on the basis of the machining condition, the machining state, and the evaluation value, an evaluation value corresponding to the machining condition that has not been tried; and constructing the evaluation value prediction model on the basis of a change degree in the relationship between the machining condition and the evaluation value, and performs weighting based on the machining state on the evaluation value prediction model. The machining condition to be tried next is generated using a predictive value of the evaluation value. Each of the above processes is repeatedly performed until it is determined to end a search.

Machining condition searching device and machining condition searching method

A burner work measurement system configured to measure work using a burner is provided. The burner work measurement system includes one or more cameras configured to capture the work and a control unit configured to perform computing processing on images captured by the cameras, the control unit is configured to create work data obtained by calculating, based on the images captured by the cameras, at least one of a positional relation between a work object and the burner or flame, a positional relation between the work object and a brazing filler metal, and a positional relation between the burner or the flame and the brazing filler metal.

Work measurement system, education system, and quality control system

Provided is a welding management system that appropriately manages welding. The welding management system () includes a plurality of local magnetic sensors (to) provided around a target joining position (K) and a correction magnetic sensor () curved to surround the target joining position (K). A data processing unit () generates information of a joining state of the target joining position (K) based on a difference between a detection value of each of the plurality of the local magnetic sensors (to) and a detection value of the correction magnetic sensor ().

Welding management system

A manufacturing monitoring assistance device includes: a model creation unit creating a computation model when a product as a sample is normal, based on a three-dimensional form acquired from the product; a simulation unit creating a corrective computation model when the product is abnormal, by adding a sample of an abnormal portion in the product to the created computation model, and performing a simulation on each of the computation model and the corrective computation model; and a monitoring method determination unit determining a method for monitoring a manufacturing process for the product, based on an abnormality index being a difference between an output from a sensor as a result of the simulation performed on the computation model and an output from a sensor as a result of the simulation performed on the corrective computation model, and causing an output device to display the determined method and the abnormality index.

Manufacturing monitoring assistance device, manufacturing monitoring assistance method, and manufacturing monitoring assistance program

A stress distribution measurement device includes: a first magnetostrictive sensor and a second magnetostrictive sensor each including an excitation coil that excites AC magnetism in a measurement target using alternating current, and a detection coil to which alternating current is induced due to the AC magnetism flowing in the measurement target; an excitation circuit that applies a first excitation voltage to the excitation coil of the first magnetostrictive sensor and applies a second excitation voltage to the excitation coil of the second magnetostrictive sensor, the second excitation voltage having a phase or a waveform different from the first excitation voltage; and a detection circuit that includes a first detector that performs synchronous detection of current flowing in the detection coil of the first magnetostrictive sensor based on the first excitation voltage and a second detector that performs synchronous detection of current flowing in the detection coil of the second magnetostrictive sensor based on the second excitation voltage.

Stress distribution measurement device and stress distribution measurement method

To improve quality control of welding, there is included in resistance welding: a magnetic field measuring unit () disposed around a welded part and configured to measure a local current at the welded part; a high-speed camera () configured to capture an image for measuring local temperature at the welded part from variation of luminance of emission by capturing light emission state of the welded part; a comparison determination unit () configured to determine whether or not at least one of current information and temperature information has an abnormal value by comparing the current information calculated based on magnetic field information acquired from the magnetic field measuring unit with past current information and comparing the temperature information measured from an image of the high-speed camera () with past temperature information.

Welding monitoring system

The disclosure provides a joining process line monitoring system capable of preventing joining quality deterioration and operation delay. A joining process line monitoring systemincludes a joining phenomenon data acquisition partconfigured to acquire a joining phenomenon of a joining subject member as phenomenon data; an operation state data acquisition partconfigured to acquire a joining operation state of the joining subject member as operation state data; an evaluation data calculation unitconfigured to perform time synchronization of the acquired phenomenon data and the acquired operation state data, and associate the acquired phenomenon data and the acquired operation state data with each joining operation location, so as to calculate evaluation data; a difference data extraction unitconfigured to extract a difference between the evaluation data and reference data set in advance as difference data; an abnormal location determination unitthat determines that a portion having a large difference from the joining phenomenon is an abnormal location; and a presentation unitconfigured to present the abnormal location of a joining portion of the joining subject member based on the difference data.

Joining process line monitoring system

An imaging device includes pixel units, a control unit, and a correction unit. The control unit causes each pixel unit to output first and second signal. The first signal is a potential of a floating diffusion held when the charge accumulated in a photoelectric conversion unit is transferred upon a transfer switch being closed. The second signal is a potential of the floating diffusion held when a reset switch is closed with the transfer switch being open. The correction unit generates, with respect to the first and second signals output by each pixel unit, the pixel signal by subtracting a correction amount from a signal intensity of the first signal. The correction amount is a product of a signal intensity of the second signal and a coefficient determined in advance in accordance with a position of each pixel unit.

Imaging device

There are provided a welding monitoring system which can multidimensionally monitor a welding portion with high accuracy and a monitoring method thereof, by using a relatively simple configuration. There is provided a welding monitoring system which monitors a subject, including: a mechanical portion; and an imaging portion, in which the mechanical portion includes a transport arm which transports the subject, a subject holding portion which holds the subject, and an energizing device which causes welding with respect to the subject to be performed, and in which the imaging portion includes imaging means for obtaining imaging data of the subject, a data recording portion which records the imaging data, an analyzing portion which extracts predetermined characteristics from the imaging data, a comparison determination portion which compares the extracted characteristics and normal characteristics to each other to determine the presence or absence of abnormality, and a determination result output portion which outputs a determination result by the comparison determination portion.

Welding monitoring system and welding monitoring method

To perform a high-accuracy three-dimensional measurement by performing an appropriate calibration in accordance with various temperature changes, an information processing apparatus that decides a temperature-dependent parameter of a projection apparatus configured to project a pattern onto a measurement target object to perform a three-dimensional measurement includes a holding unit configured to hold a relationship in which the temperature-dependent parameter of the projection apparatus is set as a temperature function, a temperature input unit configured to input a temperature of the projection apparatus, and a temperature-dependent parameter decision unit configured to decide the temperature-dependent parameter of the projection apparatus based on the temperature of the projection apparatus which is input by the temperature input unit and the relationship.

Information processing apparatus, method, and storage medium

In an axial flow fan according to the present invention, a plurality of blades rotate about a rotation axis of the blades to convey a fluid. In the axial flow fan, the plurality of blades each have a leading edge at a leading side in a rotational direction, a trailing edge at a trailing side in the rotational direction, and an outer peripheral edge connecting the leading edge and the trailing edge. The leading edge of one of the plurality of blades and the trailing edge of another blade adjacent to the leading edge of the blade in the rotational direction are connected by a plate-shaped connection portion. The plurality of blades each have at least one plate-shaped reinforcement rib extending from a periphery of the rotation axis toward the outer peripheral edge of the blade.

Axial flow fan and air-conditioning apparatus having axial flow fan

An information processing apparatus having a changed region detection unit performs a process that includes repeating a cycle. The cycle includes causing a projection unit to project a pattern, that includes light and dark portions, onto target objects, causing an image capturing unit to capture an image of the target objects while the pattern is being projected by the projection unit, and causing a holding unit to hold one of the target objects based on a captured image obtained by the image capturing processing. Based on a reference boundary position corresponding to a boundary between the light and dark portions in the pattern in the captured image obtained in a previous cycle and a target boundary position in the captured image obtained in a current cycle, the changed region detection unit detects a changed region with a change between the previous cycle and the current cycle.

Information processing apparatus, and information processing method

An image processing apparatus includes an acquisition unit to acquire a captured image obtained by capturing, by an image capturing unit, a target object to which a pattern has been projected. An adjustment unit adjusts, based on the pattern in the acquired captured image, at least one of a first parameter for controlling brightness of the pattern projected from a projection unit configured to project the pattern, and a second parameter for controlling an exposure amount of the image capturing unit.

Image processing apparatus and image processing method that adjust, based on a target object distance, at least one of brightness of emitted pattern light and an exposure amount

An electric discharge machine includes an electrode, a shaft-feed driving unit that, a voltage/current applying unit, a shaft-feed control unit that causes the shaft-feed driving unit to perform a jump operation, and a machining-condition setting and changing unit that sets a voltage applied between the electrode and a workpiece and an electric current flowing between the electrode and the workpiece. The machining-condition setting and changing unit determines whether the electric discharge between the electrode and the workpiece stabilizes after the jump operation ends and, in at least a part of a period before determining that the electric discharge stabilizes, sets at least one of the voltage and the electric current to a condition in which electric discharge more easily occurs than in the condition in applying the electric discharge machining.

Electric discharge machine

Growing community of inventors

Tokyo, Japan

Hiroshi Yoshikawa