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JP7442942B2 |
To provide a knock sensor simulation signal generator capable of generating a knock sensor simulation signal corresponding to various kinds of vibration including knocking or noise whose generation is assumed in an engine.A knock sensor ...
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JP2024509005A |
The present disclosure provides a vibration excitation system and apparatus for testing an aircraft engine rotor in the field of aero engines to improve the versatility of the vibration excitation system. The vibration excitation system ...
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JP7433525B1 |
A vehicle-mounted drain separator 100 used in a vehicle-mounted exhaust gas analyzer 200 includes an exhaust gas passage EL through which exhaust gas flows, and a downstream end through which gas taken in from the outside to dilute the e...
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JP7431594B2 |
To provide a determination device capable of determining possibility of lowering of opening pressure in a fuel valve with a simple constitution, and a ship-ground communication system provided with the same and a determination method.The...
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JP7426319B2 |
To suppress vibration due to resonance between a driving system and a load motor.A control device 10 comprises: an electric inertia torque calculation unit 11 which calculates an electric inertia torque τJ on the basis of a rotary speed...
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JP7408342B2 |
To coordinate the test of a plurality of test pieces that is carried out in a plurality of test rooms and stop the test in each test room safely when a trouble occurs.A test system comprises: first test equipment 10 testing a first test ...
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JP2024000102A |
An object of the present invention is to make it possible to ascertain whether or not all of a plurality of test facilities used for the test comply with the regulations when starting a test in accordance with the regulations. [Solution]...
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JP7391693B2 |
To perform a test by reproducing an abnormal contact state in a rotational shaft included in a rotation apparatus without using an actual machine.A contact testing device 1 of a rotational shaft 200 included in a rotation apparatus 100 c...
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JP2023550176A |
To simplify the emission measurement unit self-test, a self-test unit (20) is provided, the first coupling part (21, 21a) of the joint being arranged in the self-test unit (20); The second connection part (22) of the joint is located at ...
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JP7385595B2 |
The present invention makes it possible to reduce the burden on a user in vehicle testing while maintaining precision of vehicle testing, and is a vehicle testing system for testing, on a test bench, a vehicle or a test piece that is a p...
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JP7380762B1 |
An object of the present invention is to provide a test system that can reproduce a low inertia state. An electric inertia control device (6) of a test system generates a torque current command signal so that a dynamometer behaves as an ...
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JP7376778B2 |
To provide a rotation testing device in which a bearing is located between a rotor and a test piece, for which a configuration is provided that more quickly equalizes losses occurring to the bearing after the revolution speed of the test...
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JP2023160014A |
To provide a defect inspection method for a bearing metal and a defect inspection device for a bearing metal that are able to detect, with a simple configuration, a defect in a bearing metal.The method includes: a preparation step of arr...
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JP7367816B1 |
An object of the present invention is to improve the workability of a moving device that moves a dynamometer. [Solution] When the tip of the first claw member 12 is inside the dovetail groove 7, the first claw member 12 allows movement i...
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JP7366009B2 |
To enable exhaust gas analysis by taking into account the influence of particulates contained in air in a test chamber, an analysis system that analyzes exhaust gas discharged from a test piece that is provided in the test chamber and th...
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JP7363714B2 |
A CPU substitutes a difference between a crank-side speed that is a rotation speed of a crankshaft and a downstream-side speed that is a speed of a portion, opposite from the crankshaft, in a damper into a differential speed. The CPU cal...
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JP7354901B2 |
To provide an air-fuel ratio sensor controller with which it is possible to reduce as much as possible the adverse effect on the sensor current of an air-fuel ratio sensor of the noise caused, for example, by heater energization or volta...
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JP7347219B2 |
To provide a road diagnosis system that can reduce cost while increasing the frequency of road condition checking.A road diagnosis system according to the embodiment is a road diagnosis system 1 which acquires crank angle information out...
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JP7343503B2 |
Aspects of the present disclosure are directed to controlling an inner effective torque or an effective torque of a drive unit via a unit controlling unit. In some embodiments, the control method may include providing desired values for ...
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JP7338450B2 |
To provide an electric propulsion machine testing device capable of suppressing decrease in exhaust speed by a large quantity of ion discharged from an electric propulsion machine.An electric propulsion machine testing device 10 includes...
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JP7335727B2 |
An exhaust gas analyzer to analyze exhaust gas discharged from an internal combustion engine includes an infrared light source, a photodetector, a CO2 concentration calculation part and an O2 concentration calculation part. The infrared ...
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JP2023120517A |
To accurately analyze the concentration of oxygen and carbon dioxide in a combustion gas and evaluate the state of combustion and the performance of a two-cycle internal combustion engine.A combustion gas analysis system 100 includes: a ...
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JP7332420B2 |
A method for predictive maintenance of components of an internal combustion engine by a structure-borne sound sensor includes: recording vibrations of the components of the internal combustion engine by at least one structure-borne sound...
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JP7329488B2 |
The present invention relates to a large low-speed two-stroke internal combustion engine (1) with a plurality of cylinders, including: an exhaust valve (4); an exhaust valve operation system (46) for operating the exhaust valve (4); a fu...
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JP7327323B2 |
A determining device (10) for determining an abnormality of a drive mechanism of a vehicle (MV) is provided with: a rotational speed acquiring unit (11) for repeatedly acquiring the rotational speed of an internal combustion engine (100)...
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JP7327319B2 |
A CPU substitutes a difference between a crank-side speed that is a rotation speed of a crankshaft and a downstream-side speed that is a speed of a portion, opposite from the crankshaft, in a damper into a differential speed. The CPU cal...
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JP7326175B2 |
To provide a determination device capable of determining possibility of fuel leakage in fuel supply system with a simple constitution, and a ship-ground communication system provided with the same and a determination method.There are pro...
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JP7324384B2 |
The present invention accurately detects an in-cylinder pressure (p) irrespective of the influence of the extension of a discharge path. In a method for detecting an in-cylinder pressure according to the present invention, a high-frequen...
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JP7323531B2 |
To improve the identification of system parameters of a test setup of a test bench there is provision for the test setup to be dynamically excited on the test bench by virtue of a dynamic input signal being applied to the test setup. Mea...
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JP7323528B2 |
Aspects of the present disclosure are directed to a method for controlling the torque of a drive unit on a test stand. Accordingly, one embodiment of the present disclosure is a method for controlling an inner effective torque of the dri...
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JP2023108677A |
To provide a photographing support device, a photographing support method and a photographing support program enabling easy photographing of an image suitable for diagnosing the condition of an engine to be inspected.A photographing supp...
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JP2023108675A |
To provide an image correction device, an image correction method and an image correction program, which can correct a captured image to an image suitable for a diagnosis in order to perform state recording or state diagnosis of an engin...
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JP2023107486A |
To provide an inspection controller which can rapidly operate a power train to inspect into a driving state suitable for an inspection.An inspection controller 100 includes: a storage device 130 for storing a learned model which selects ...
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JP2023104550A |
To provide a vehicle control device which can estimate a temperature of a component by reflecting a windbreak influence caused by a preceding vehicle.In temperature estimation control, a vehicle control device performs addition amount ca...
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JP7314838B2 |
To provide an electronic control apparatus having a second processing unit which can properly monitor whether or not a first processing unit is operating.An electronic control apparatus includes a first processing unit 22, a second proce...
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JP7310650B2 |
To provide a cylinder internal pressure evaluation device and a cylinder internal pressure evaluation method for accurately evaluating the maximum cylinder internal pressure.A cylinder internal pressure evaluation device for evaluating a...
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JP7308822B2 |
An on-road driving test system is provided that makes it possible to set a driving route that ensures the validity of the results of an on-road driving test and provides measurements accurately reflecting the performance of a vehicle. Th...
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JP7303497B2 |
To provide a top dead center position evaluation method and a top dead center position evaluation device, which can evaluate an accurate top dead center position of a piston.Provided is a top dead center position evaluation method for me...
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JP7303498B2 |
To provide a top dead center position evaluation device for evaluating an accurate top dead center position of a piston according to an engine type.A top dead center position evaluation device for evaluating a rotation angle correspondin...
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JP7301623B2 |
An emissions test system includes a dilution tunnel, a clean circuit, a dirty circuit, and a sampling control module. The dilution tunnel is configured to receive exhaust gas from an engine and dilution gas from a dilution gas source. Th...
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JP7297520B2 |
Provided is an on-road running test system including: a running data acquisition part that successively acquires pieces of actual running data on a vehicle on which a driver performs a running test on a road; a calculation part that comp...
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JP7293929B2 |
To secure the accuracy of a test and appropriately shorten the time required for the test, even for an engine with which there is a large number of control objects and the range of realizable appropriate combustion is very narrow.An engi...
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JP7289837B2 |
Various embodiments of the present disclosure are directed to test stands for generating test runs on the basis of a test drive using a vehicle along a driving route. In some embodiments, a test stand determines at least one idle operati...
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JP2023080753A |
To provide a measuring apparatus for measuring a position of an annular portion to be measured mounted on an opening edge of a hole formed in a member to be measured.A measuring apparatus (1) according to one aspect of the present disclo...
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JP2023078822A |
To provide an art that enables an airtightness examination of both kinds by a single kind of examination device in a case where some boss parts differ in presence or absence of an opening in a plurality of kinds of cylinder heads having ...
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JP7286766B2 |
The invention relates to a device for monitoring the lifetime of at least one hydraulic apparatus of an aircraft that is subject to ventilations in hydraulic pressure during flight, comprising an interface for receiving measurement data ...
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JP2023071057A |
To provide a crank shaft phase measurement device which can accurately measure a phase of a throw part.A crank shaft phase measurement device according to an embodiment of the present invention for measuring a phase of a crank shaft havi...
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JP2023070395A |
To accurately determine whether cold friction of an engine is increased due to contamination of soot into engine oil.An electronic control unit 20 calculates an increase amount of a soot concentration of engine oil based on the operation...
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JP7267161B2 |
The present invention is one that accurately measures an exhaust gas component regardless of a variation in the atmospheric pressure around a test object that is a vehicle or part of it, and an exhaust gas analysis apparatus 100 that mea...
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JP2023060535A |
To attach a fuel injection valve to a test device easily during a test of the fuel injection valve and conduct an inspection of a spring unit easily.When a fuel injection valve 9 is attached to a valve attachment part 12, a rod 122 is in...
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