Abstract: An exemplary embodiment may include a control hub configured to receive data from an emissions analyzer and a leak detection camera. The emissions analyzer may detect levels of various gases and relay such information to the control hub. In an exemplary embodiment, the emissions analyzer may purge after every test to ensure longevity and accuracy. A leak detection camera may implement quantifying optical gas imaging in order to continuously monitor for fugitive leaks on a compressor package. If a leak is detected, it may be logged and the user or an operating group may be alerted.

Abstract: Disclosed in this invention is a flat-belt type VTEHIL test bench for commercial vehicles, including a main bench body and a bench test system. The main bench body is mounted inside a foundation and includes a main bench frame, a bench cover, front axle flat-belt assemblies and rear axle flat-belt assemblies. Each front axle flat-belt assembly is provided therein with a fixed plate, a rotary disc and a limiting mechanism. Each rear axle flat-belt assembly includes a flat belt and flat belt pulleys disposed both within the flat belt at opposing ends thereof. The foundation defines a sector-shaped mounting depression in which the main bench body is mounted, and an iron floor is arranged under the main bench body. This invention can better simulate actual driving surfaces and accommodate two-axle, three-axle, four-axle and other types of trucks or tractors.

Abstract: A module test machine includes a frame, a fixture, at most two actuators coupled to the fixture, and a controller. The frame is couplable to a first end of a strut module. The fixture is couplable to a second end of the strut module. The fixture includes a plurality of arms with a plurality of adjustable lengths. The at most two actuators are coupled to two of the plurality of arms and configured to impart a plurality of loads along six axes of force at the second end of the strut module. The controller is configured to control the at most two actuators in response to at most two actuator vectors. The plurality of adjustable lengths and the at most two actuator vectors are configured to replicate road load data at the second end of the strut module while under test.

Abstract: Disclosed is a method of predicting the lifespan of a filter in an air cleaner based on machine learning. According to an embodiment of the present disclosure, a machine learning-based filter lifespan prediction method may more precisely predict the lifespan of a filter in an air cleaner by inputting fine dust concentration data and a history related to use of the air cleaner to a lifespan prediction model and determining the purifying efficiency and exchange time of the filter according to an output value. Intelligent air cleaner of the present disclosure can be associated with artificial intelligence modules, drones (unmanned aerial vehicles (UAVs)), robots, augmented reality (AR) devices, virtual reality (VR) devices, devices related to 5G service, etc.

Abstract: Support structure adapted to form a collision object for use when testing a subject vehicle to simulate a real traffic environment, the support structure comprising a plurality of panels having a bending stiffness according to ISO 5628:2012 of 20 Nm to 60 Nm, such as 30 Nm to 50 Nm, such as 35 Nm to 45 Nm. A support structure adapted to form a collision object for use when testing a subject vehicle to simulate a real traffic environment, the support structure comprising a plurality of panels made from cardboard, is also provided. A collision object for use when testing a subject vehicle to simulate a real traffic environment is also provided.

Abstract: A duct body (101) of a blowing device provided in a chassis dynamometer includes a bottom wall (31), a top wall (32) and a pair of side walls (33) that form a flow passage having a rectangular cross section. In each of the side wall (33), a vertically elongated window part (42) is formed for enabling the passage of vehicle restraint member such as a chain (5). Each window part (42) is closed through the tiled arrangement of a few cover plates (53, 54), and a chain plate set (100). The chain plate set (100) is formed through the sandwiching of an elastic sheet member (61, 62) having a restraint member through hole (63) and a slit (64) between an inner plate (51) and an outer plate (52) each having an opening part (57, 58).

Abstract: A resistance-integrated gas sensor is provided, including a substrate, a first metal oxide layer, an insulating layer, a contact metal layer, a contact hole, a second metal oxide layer, and an interdigitated electrode layer. The first metal oxide layer is disposed in the substrate. The insulating layer is disposed on the substrate and the first metal oxide layer. The contact metal layer and the contact hole are disposed in the insulating layer. The second metal oxide layer is disposed on the insulating layer. A portion of the interdigitated electrode layer is disposed on the insulating layer, and another portion is disposed in the second metal oxide layer. The contact metal layer and the contact hole connect the first metal oxide layer and the interdigitated electrode layer.

Abstract: 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 operating time of an internal combustion engine and/or at least one overrun operating time of the internal combustion engine from a time curve of a vehicle speed and a time curve of a gas pedal position. The test stand may further set a specified idle control mode instead of the operating control mode during an idle operating time and/or a specified overrun control mode is set instead of the operating control mode during an overrun operating time in the test stand automation unit in order to carry out the test run.

Abstract: The invention relates to a method and a device for determining particulate emissions in the driving operation of a vehicle, in particular of a motor vehicle. According to the invention, provision is made that the device has a sensor system and a control unit and that in driving operation the sensor system and the control unit jointly undertake the function of particulate matter sensors. Here, the sensor system senses driving operation values on the vehicle. From the sensed driving operation values and by means of correlations of driving operation values with particulate matter values determined and stored in advance in the control unit, the control unit estimates the particulate emissions from tyre abrasion of the vehicle. Finally, the invention relates to a vehicle with the device according to the invention.

Abstract: A measuring device with at least one fluid channel for conveying a measuring fluid, wherein the fluid channel includes at least one inlet for the entry of the measuring fluid into the fluid channel and at least one outlet for the exit of the measuring fluid from the fluid channel. The fluid channel includes a diamond-shaped cross-section and includes a course from the at least one inlet to the at least one outlet over which the measuring fluid entering the fluid channel is deflected by at least 90° before the measuring fluid exits the fluid channel at the at least one outlet.

Abstract: The present invention provides a brake dust measurement system that can accurately measure an amount of brake dust produced. The brake dust measurement system, in which a specimen having a brake is placed in a chamber and which measures brake dust produced from the brake, includes a sampling unit that samples air inside the chamber, an elemental analysis unit that performs elemental analysis of sampled air sampled by the sampling unit, a storage unit that stores elemental content information of a single or multiple elements contained in the brake, and a calculation unit that calculates an amount of brake dust contained in the sampled air on the basis of elemental analysis results of the elemental analysis unit and the elemental content information.

Abstract: An apparatus for analyzing the particulate matter content of an aerosol includes an aerosol chamber configured to receive an aerosol, the particulate matter content of which should be analyzed, at least one ultrasonic generator configured to produce ultrasonic waves in the aerosol received in the aerosol chamber, an ultrasonic detector configured to detect ultrasonic waves produced by the at least one ultrasonic generator in the aerosol, and an evaluator having a data exchange communication link with the ultrasonic detector and configured to ascertain the matter content on the basis of signals output by the ultrasonic detector. The ultrasonic generator and the ultrasonic detector are positioned relative to one another such that a path length to be traversed by ultrasonic waves between the ultrasonic generator and the ultrasonic detector is less than 1 cm.

Abstract: The invention concerns a device and a method for detecting a tire on a vehicle to determine whether there is a single or twin tire on an axle. The device has an optical sensor for this purpose, the sensor detecting at least one region of a rim on which a tire to be determined is mounted. An evaluation unit is also provided which is designed to determine a shape of the area of the rim from the sensor signals and to generate a signal from the shape which represents the type of tire.

Abstract: The present invention makes it possible to provide temperature traceability for a test vehicle. A vehicle control device controls temperature information for a test vehicle and includes a peripheral temperature acquisition unit that acquires a peripheral temperature of a test vehicle from a first temperature sensor that is provided in a soak chamber where the test vehicle is stored or in a test chamber where the test vehicle is tested, a position information acquisition unit that acquires position information for the test vehicle, and a recording unit that associates the peripheral temperature of the test vehicle with the position information for that test vehicle and records the association.

Abstract: A vehicle testing device including a cooling device, which is capable of freely selecting a part to be cooled and a wind direction in accordance with a purpose of a test is provided. The vehicle testing device that tests a test piece that is a vehicle or a part of the vehicle includes a rotating body on which the test piece is placed, and a cooling device that sends air from a side of the test piece to at least a part of the test piece in order to cool the test piece placed on the rotating body.

Abstract: A probe adapter includes an adapter body including a probe aperture and a slot. The probe adapter further includes a driver slidably mounted within the slot and slidable between a first position and a second position. The driver includes a first end and a second end opposite the first end. The first end includes a ramped recess extending in a direction from the first end toward the second end. The probe adapter further includes a threaded fastener configured to contact the second end of the driver so as to retain the driver in the first position.

Abstract: A system and method provides a more precise mole delivery amount of a process gas, for each pulse of a pulse gas delivery, by measuring a concentration of the process gas and controlling the amount of gas mixture delivered in a pulse of gas flow based on the received concentration of the process gas. The control of mole delivery amount for each pulse can be achieved by adjusting flow setpoint, pulse duration, or both.

Abstract: A tire tester includes a plurality of tire holding units attached to a movable member or a towed member and each configured to detachably hold a tire, and one or more load measuring units for measuring a load acting on the tire. The plurality of tire holding units include a first tire holding unit configured to detachably hold a first tire, and one or more second tire holding units each configured to detachably hold a second tire. The second tire holding unit holds the second tire to generate a force opposite to a lateral component force generated by steering the first tire. The tire holding units are arranged such that at least one tire holding unit is disposed on each right and left side of the movable member or the towed member with respect to a center line passing through a lateral center thereof.

Abstract: A fluid distribution system includes a water line configured to receive water from a water source, an agent line configured to receive agent from an agent source, a flush line configured to receive the water from the water source and connecting to the agent line at a junction, a flush valve positioned to selectively prevent the water from flowing along the flush line, an agent valve positioned to selectively prevent the agent from flowing along the agent line, a first flow meter positioned along the agent line downstream of the junction, a second flow meter positioned downstream of the first flow meter, an eductor coupled to the agent line and the water line downstream of the first flow meter and upstream of the second flow meter, a metering valve positioned downstream of the first flow meter and upstream of the eductor, and a controller.

Abstract: A method and system for acquiring fuel characteristics on board an aircraft. The method for acquiring fuel characteristic on board an aircraft includes a least one tank and comprises a determination step determining a fuel circuit in one tank among the tank or tanks. The circuit includes at least one pump pumping the fuel from the tank into the circuit. A fuel properties measurement unit and a first valve are configured to open or close the circuit. A filling step includes filling the circuit with fuel. An acquisition step includes acquiring a value respectively for each of the fuel characteristics of the tank, and a transmission step includes transmitting, to a user device, a signal representative of the acquired values of the fuel characteristics.