Horiba, Ltd.

Nidec Corporation

Daihatsu Diesel Mfg. Co., Ltd.

Takeshi Kusaka

Ichiro Asano

Qiang Wei

Scott Thomas Porter

Haruhisa Mohara

Montajir M D Rahman

Masayoshi Shinohara

Tatsuki Kumagai

Kaoru Okada

Toshiyuki Nomura

Montajir Rahman

Leslie Hill

Thanh Nhat Doan

Naoto Mizutani

Akihiro Taniguchi

Masaru Mochizuki

Noboru Abe

Montajir Md Rahman

A method of adjusting a posture of a 6-axis robot standing in a direction perpendicular or substantially perpendicular to a robot mounting surface includes specifying axis central positions of three axes located at different heights in the direction perpendicular or substantially perpendicular to the robot mounting surface of the 6-axis robot, specifying two planes including two arcs of which rotation centers are represented by two axes farther away from the robot mounting surface among the three axes, specifying a position of a predetermined point on the arc farther away from the robot mounting surface among the two arcs, and determining an angle adjustment amount of the three axes in a rotation direction and an angle adjustment amount of an axis extending between the two axes in a rotation direction based on the specified axis central positions of the three axes, the specified two planes, and the specified position of the predetermined point.

Method of adjusting posture of 6-axis robot

The present invention includes: connecting a pressure varying device to a sample gas introduction port and a gas discharge port of a gas analysis apparatus; depressurizing or pressurizing the sample gas introduction port and the gas discharge port by the pressure varying device; introducing calibration gas from a calibration gas introduction port of the gas analysis apparatus in a depressurized or pressurized state; and calculating a pressure correction factor for the gas analysis apparatus with use of a measurement result of the calibration gas by the gas analysis apparatus.

Calibration method for gas analysis apparatus, gas analysis system, and pressure varying device

A gas analysis device is provided that is able to accurately measure a concentration or a quantity of methane contained in a sample gas even if there are variations in the pressure in the sample gas line. This gas analysis device has a sample gas line through which a sample gas flows, a pressure loss mechanism that is provided on the sample gas line, a pressure control mechanism that refers to the pressure on the forward side of the pressure loss mechanism and, by discharging a portion of the sample gas from the rearward side of the pressure loss mechanism, and by supplying a predetermined gas to the rearward side of the pressure loss mechanism, controls pressure differences in the sample gas line between the front and the rear of the pressure loss mechanism, and an analyzer that analyzes the sample gas flowing through the sample gas line.

Gas analysis device, gas sampling device and gas analysis method

An exhaust gas sampling and analysis system includes a main flow channel in which a flow restriction mechanism and a first suction pump are arranged; a measurement flow channel in which an exhaust gas analysis device is provided and that extends from the main flow channel at a position downstream of the flow restriction mechanism; and a compensation flow channel in which a flow rate adjustment mechanism is provided and that extends from the main flow channel at a position downstream of the point from which the measurement flow channel extends. The first suction pump further reduces the pressure of the exhaust gas. The flow rate adjustment mechanism adjusts, in order that the pressure of the exhaust gas at the point from which the measurement flow channel extends is a predetermined value, the flow rate of the compensation gas.

Exhaust gas sampling and analysis system

A solid particle counting system for measuring solid particle number concentrations from engine or vehicle exhausts in real-time includes a flow splitter having an inlet, a sample outlet, and a by-pass outlet arranged such that a main flow enters the inlet and changes direction to exit the by-pass outlet. A sample flow from the main flow exits the sample outlet. The flow splitter further includes a guiding element arranged such that particles at a sampling location upstream of the main flow direction change are guided to the sample outlet.

Flow splitter for a solid particle counting system

A solid particle counting system for measuring solid particle number concentrations from engine or vehicle exhausts in real-time includes an evaporation unit, a diluter arrangement, and a particle counter. The diluter arrangement mixes the dilution gas with the gases from the evaporation unit at a dilution ratio, and the diluter arrangement includes a flow meter located upstream of the evaporation unit for measuring the flow of gases into the evaporation unit which, in turn, flow into the diluter arrangement.

Solid particle counting system with flow meter upstream of evaporation unit

A solid particle counting system for measuring solid particle number concentrations from engine or vehicle exhausts in real-time includes a diluter arrangement, a particle counter, and a flow splitter. The diluter arrangement mixes the dilution gas with flowing sample gases. The flow splitter receives the output flow from the diluter arrangement, provides a portion of this flow to the particle counter, and provides a by-pass flow that is received by a vacuum pump. A second flow route to the particle counter includes a valve arranged such that opening the valve during the starting of the vacuum pump reduces a pressure pulse at the particle counter caused by the starting of the vacuum pump, thereby avoiding work fluid backflow from the particle counter prior to the vacuum pump stabilizing.

Solid particle counting system with valve to allow reduction of pressure pulse at particle counter when vacuum pump is started

An SOF measuring system that can continuously measure SOF and a soot measuring system that can continuously measure soot are connected with an exhaust gas line. The soot measuring system comprises a diluter that selectively dilutes either one of the exhaust gas and standard gas whose hydrocarbon concentration is known with diluent gas and extrudes it. A dilution ratio adjusting device can adjust a dilution ratio of the diluter. A soot detector continuously detects soot in the exhaust gas or the standard gas diluted by the diluter. The SOF measuring system can be connected with the diluter so that an exhaust gas analyzer can measure the hydrocarbon concentration in the standard gas diluted by the diluter.

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Kyoto, Japan

Takeshi Kusaka