Yokogawa Electric Corporation

Ando Electric Company

Other

Mitsubishi Electric Corporation

Tetsuo Yano

Nobuhiro Tomosada

Makoto Kawano

Souichirou Torai

Tomomi Akutsu

Daisuke Yamazaki

Kazumasa Takada

Atsufumi Kimura

Yasunori Ohta

Hiroyuki Yamamoto

Yasuhiro Tanaka

Shin Nakamura

Shoichi Aoki

Tohru Mori

Fumio Akikuni

Takumi Hoshi

Seidai Takeda

Emiko Fujiwara

Shosuke Miyaki

Koki Murano

Shouichi Aoki

Kenji Senda

Syoichi Aoki

Tetsuya Kudoh

Yuki Yamanouchi

An input-output data collector collects, from a programmable logic controller, input-output data representing a log for a device in a program predetermined as a logging target program of one or more programs executable by the programmable logic controller. An input-output data generator generates, when a debugging target program is determined not to be included in the predetermined program, input-output data representing a log for a device in the debugging target program by executing a simulation program simulating an operation of the programmable logic controller.

Debugging assistance device, control system, debugging assistance method, and recording medium

A processor synthesis device inserts a stop circuit into a circuit configuration, which is defined by processor model information and includes a plurality of operators, based on instruction set information that defines an instruction set including a plurality of instructions, the stop circuit stopping an operator not used in an instruction to be executed among the plurality of operators when each of the plurality of instructions is executed. The processor synthesis device generates processor synthesis information which is an RTL description defining a circuit configuration into which the stop circuit is inserted.

Processor synthesis device, processor synthesis method, and computer readable medium

In one embodiment, there is provided a fuel cell evaluator for evaluating a characteristic of a fuel cell based on a frequency characteristic of impedance of the fuel cell. The evaluator includes: an impedance acquisition unit configured to acquire impedances of the fuel cell for a certain current value in a Tafel region by changing a measurement frequency; an extraction unit configured to extract a reaction resistance from the acquired impedances; a calculator configured to calculate the product of the reaction resistance and the certain current value; and an indicator configured to indicate the product calculated by the calculator as the frequency characteristic of the impedance of the fuel cell.

Fuel cell evaluator and fuel cell evaluation method

A method for determining response characteristics of a battery includes: pressurizing the battery in a direction to reduce a distance between electrode surfaces of the battery; and applying a voltage or a current to the pressurized battery to determine response characteristics of the battery.

Method for determining response characteristics of battery

An electrode evaluation apparatus for evaluating a characteristic of an electrode based on an electrochemical property includes a potential control unit, an impedance acquiring unit, a current value acquiring unit, and a normalized impedance calculation unit. The potential control unit is configured to control a potential applied to an electrode. The impedance acquiring unit is configured to acquire an impedance characteristic of the electrode under a specific DC operating condition provided by the potential control unit. The current value acquiring unit is configured to acquire a temporal change in direct current value under the specific DC operating condition. The normalized impedance calculation unit is configured to apply the temporal change in direct current value acquired by the current value acquiring unit to calculate a normalized impedance where impedance acquired by the impedance acquiring unit is multiplied by the direct current value.

Electrode evaluation apparatus and electrode evaluation method

There is provided a secondary battery tester for testing a state of a secondary battery based on an impedance characteristic of the secondary battery. The tester includes: an impedance acquiring section configured to acquire an impedance value of the secondary battery; and a determining section configured to determine a state of a solid electrolyte interface (SEI) layer of the secondary battery based on the impedance value acquired by the impedance acquiring section.

Secondary battery tester, secondary battery testing method, and manufacturing method of secondary battery

An apparatus and method for accurate measurement of characteristics of optical fibers (distribution of polarization mode dispersion and distribution of magnitude of birefringence). Pulse light is inputted to a subject optical fiber, back scattered light of the pulse light from the subject optical fiber is detected by a photodetector to find a Stokes vector, and polarization mode dispersion in a longitudinal direction is measured. The apparatus comprises a light source unit for outputting the pulse light having at least three different angular frequencies, and an arithmetic operation unit for calculating the magnitude of linear polarization components and the magnitude of a circular polarization component of a polarization dispersion vector on the basis of the Stokes vector and thus calculating polarization mode dispersion.

Apparatus and method for measuring characteristics of optical fibers

A photocoupler splits the light from a low-coherence light source into measuring light DL and local oscillator light KL. A photocoupler receives measuring light DL arid is input to an optical circuit to be measured. The photocoupler splits the reflected light RL. A polarization controller controls the state of polarization of the reflected light RL as split by the photocoupler . A photocoupler allows local oscillator light KL to be incident on a reflector mirror and splits local oscillator light KL. A photocoupler combines the reflected light RL as controlled in the state of polarization by the polarization controller , with the local oscillator light KL.

Low-coherence reflectometer with polarization control

A low coherent reflectometer uses low coherent beams for measurement of refletance and refleting positions with respect to a measured optical circuit which includes a reflecting point. The low coherent beams are branched to produce measurement beams (DL) and local beams (KL), so that the measurement beams are introduced into a first optical path, which includes a dispersion shifted fiber, towards the measured optical circuit, while the local beams are introduced into a second optical path which includes a spatial optical path terminated by a reflecting mirror. Refleted measurement beams (RL) and reflected local beams are combined together to produce combined beams, which are subjected to processing and analysis.

Low coherent reflectometer

A marking device includes a marking mechanism, a marking portion moving mechanism, and a pressure adjusting circuit. The marking mechanism marks a surface to be processed, of an object to be marked, by reciprocating a marking portion. The marking portion moving mechanism moves the marking portion in two-dimensional directions along the surface to be processed. The pressure adjusting circuit keeps a constant pressure which the marking portion applies to the surface to be processed. The marking mechanism includes a cam mechanism for linearly reciprocating the marking portion by following a cam which is rotated by a driving member.

Marking device and marking method

A laser beam from an engravement portion softening mechanism of an apparatus is condensed onto an engravement portion on an engravement surface of a workpiece for softening the engravement portion. When the hardness of the engravement portion is lowered, a pen tip of the apparatus is applied to the engravement portion. Thus, it is possible to reduce reliably wear and damage of the pen tip which results from engraving a hard workpiece, and to prolong the useful life of the pen tip , so that the durability and the reliability of the apparatus are improved.

Growing community of inventors

Tokyo, Japan

Tetsuo Yano