Abstract: A device for collecting contaminants from water samples is provided. The device includes a solid sorbent that collects and stores the contaminants from water samples. The solid sorbent is configured to allow for the preservation of the stored contaminants. The concentrations of the contaminants in the water samples are determined via analysis of the solid sorbent or via elution of the stored contaminants from the sorbent and analysis of the eluate solution.

Abstract: In accordance with exemplary embodiments, methods and systems are provided for automatically controlling braking of a vehicle during testing. In an exemplary embodiments, a testing assembly is provided that includes a roll test machine and a tester system. The roll test machine includes a flat surface, a plurality of rollers, and one or more optical controllers. The plurality of rollers are configured to engage a vehicle on the flat surface for testing of the vehicle. The one or more optical encoders are configured to generate wheel speed and brake force data for the vehicle during testing of the vehicle. The tester system includes a processor configured to at least facilitate generating instructions for brake pressure to be applied via a braking system of the vehicle during the testing of the vehicle.

Abstract: Disclosed are a ground test system and a test method for a space-oriented multi-arm spacecraft system. A spacecraft system simulator floats on an air-floating platform through four porous air feet, a test truss is placed around the air-floating platform, a simulation auxiliary docking device, a simulation crawling truss and a satellite model are arranged in a middle of a ceiling of the test truss, and an assembly test area and a silent air compressor are arranged on sides of the test truss. The application is used to solve the problems that the prior art cannot simulate the movement and crawling of the multi-arm spacecraft system in space, assembly of large space structures, and the prior art cannot simulate the influence of assembling, catching and other actions on a base in a weightless environment.

Abstract: A method for managing a control software of a braking system of a vehicle, the method including downloading, a vehicle-adapted control software from a server via a wireless interface of the vehicle, and flashing a control unit of the braking system with the vehicle-adapted control software.

Abstract: A control test system of the hydrogen internal combustion engine vehicle microcomputer includes a hydrogen treatment unit; the hydrogen treatment unit includes a detection box; an absorption box, an impurity removal box, a purification box and a water storage tank are arranged on an outer wall of the detection box; a first spring is fixedly mounted on an upper wall of an inner cavity of the absorption box; a lower end of the first spring is fixedly connected with a piston plate which is in sliding connection with an inner wall of the absorption box; amounting cylinder is arranged on an upper wall of an inner cavity of the purification box; and a plurality of adsorption rods are arranged on an outer wall of the mounting cylinder in an annular array mode.

Abstract: A method for testing the wear of tires running on a rolling road comprises the following steps: using the construction data of the vehicle and a dynamic equilibrium model, determining the relationship between the speed and the accelerations at the centre of gravity of the vehicle, and the angles and directional forces applied on a given axle; continuously recording the speed and the accelerations of a vehicle travelling on a predetermined route; and disposing the two tires belonging to a same axle on the rolling road and, depending on the recorded speed and acceleration values, the values of the angle of camber, load and longitudinal forces are applied, at all times, on each of the wheels of the axle.

Abstract: The disclosure provides a vehicle excitation advice. The vehicle excitation device that excites a vehicle having a plurality of wheels includes a plurality of excitation machine bodies on which the wheels are placed, respectively. The excitation machine body includes a front shaft and a rear shaft on which the wheels are placed at intervals in the in the front-rear direction of the vehicle, and an actuator (hydraulic actuator) that excites vibration to the wheels by moving at least one of the front shaft and the rear shaft in the front-rear direction. The front shaft is inclined such that the inner end portion of the front shaft in the left-right direction of the vehicle is located closer to the front of the vehicle than the outer end portion of the front shaft in the left-right direction of the vehicle.

Abstract: Embodiments of a portable verification system can move from one in-field gas flow meter location to another and temporarily connect downstream of a main pipeline's meter run or station. A control valve of the portable verification system allows volume measurement at different flow velocities to be verified. In some embodiments, the portable verification system is connected to the meter run and the main pipeline by an adjustable pipeline section. This section can extend horizontally and vertically, as well as swivel to provide versatility when connecting in the field. Adaptor fittings having one flange sized for and fitted to the inlet and outlet ends of the portable verification system and another flange sized for the meter run or main pipeline connection provide additional versatility. Downtime is limited to the time required to complete a circuit between the meter run, portable verification system, and main pipeline.

Abstract: The invention relates to a water extinguishing system with a fluid supply for providing an extinguishing fluid, a pump which is configured to pump the extinguishing fluid from the fluid supply into a supply line of a pipe system of the water extinguishing system, a test line which branches off from the supply line of the pipe system and is configured to conduct the extinguishing fluid pumped by the pump away from the pipe system, and a fluid bypass line with a cross section reduced in comparison to the cross section of the test line, where the fluid bypass line is configured to conduct a predefined portion of the extinguishing fluid around an opening element of the test line away from the pipe system, where the water extinguishing system further comprises at least one control device which is configured to determine at least one parameter indicative of the cross-section of the fluid bypass line, and to control the pump test run of the pump on the basis of that parameter.

Abstract: An unmanned aerial vehicle (UAV) test bench, which falls within the technical field of UAV test, comprising a support component, a universal rotating component, a fixed component and a return component: the universal rotating component slides along the Z direction and is arranged on the support component, and one end of the universal rotating component can rotate in a universal way relative to the other end of the universal rotating component. The fixed component is connected to one end of the universal rotating component, and the fixed component is configured to fix the UAV. One end of the return component is connected to the support component, the other end is connected to the other end of the universal rotating component, and the return component is configured to drive the universal rotating component and the fixed component to reset.

Abstract: A vehicle inspection apparatus includes: an exciter roller (3) configured to apply vibration to a vehicle (6); a control device 5 configured to control the exciter roller (3); and a vibration setting unit (the control device (5)) configured to set a vibration that is input to a wheel (7) of the vehicle (6) when abnormal noise generated in the vehicle (6) is detected. The control device (5) provides a range of vibrations including the vibration set by the vibration setting unit and applies the range of vibrations to the vehicle (6).

Abstract: The road simulation device includes a frame structure and a transmission structure. The transmission structure includes a first test bench, a second test bench, a third test bench and a fourth test bench. A first sliding plate structure of the first test bench slides in a first direction and a second direction, a second sliding plate structure of the second test bench slides in the first direction, and a third sliding plate structure of the third test bench slides in the second direction. The first sliding plate structure and the first base structure, the second sliding plate structure and the second base structure, the third sliding plate structure and the third base structure, as well as the fourth baffle plate structure and the fourth base structure are connected by spherical hinges. Damages to the frame structure caused by huge acting force generated by rigid connection during testing can be avoided.

Abstract: The present disclosure belongs to the technical field of tests of wheels and automobile chassis suspension systems, and provides a universal suspension and test equipment for an automobile chassis simulation road test. A simulated dashpot is movably connected to a simulated shock absorption tower; a simulated steering link and a simulated lower control arm are both movably connected to a backboard; and the simulated dashpot, the simulated steering link, and the simulated lower control arm are all assembled with corresponding mounting holes in a steering knuckle. Simulated parts with adjustable lengths and positions are used to replace an original vehicle's dashpot, steering link and lower control arm of a suspension, so that by means of adjusting lengths and angles of all the parts of the test suspension, the universal suspension can be applicable to the spatial hard point requirements of most current Macpherson suspensions.

Abstract: A vehicle suspension bump steer measurement apparatus and method of measuring bump steer in a vehicle suspension for productive management of toe change throughout compression and rebound of a vehicle suspension.

Abstract: The present invention relates to the field of passive safety testing of vehicles, in particular to a construction method for an impact response performance limit value of a crash dummy and an electronic device. The method includes: determining, according to response curves of the crash dummy under different impact test conditions, a standard response curve and alignment starting time and ending time of each response curve; aligning, according to differences between other response curves except the standard response curve and the standard response curve, other response curves except the standard response curve with the standard response curve; and determining, according to all the aligned response curves, an impact response performance limit value function of the crash dummy, where the differences include cumulative differences or cumulative variances. The method can truly, accurately and effectively construct a performance limit value of a dummy part under various impact tests.

Abstract: A diagnostics and maintenance tool can be used for performing diagnostics and maintenance of automotive, farming, construction, trucking, recreational and aviation vehicles & equipment. The diagnostics and maintenance tool can be used to measure distance traveled and pressure applied to brake, clutch and acceleration pedals, for example. The tool can reduce labor costs by reducing the time it takes perform certain diagnostic and maintenance activities. The tool can increase customer satisfaction by increasing accuracy and providing quantifiable data versus just going off of “human hunches.” The tool can reduce misdiagnoses by a technician who does not have to rely on “guesswork” or “process of elimination” for certain tasks. The tool may attach between a support and a component where distance traveled and applied pressure is to be measured. The tool may be pre-programmed to apply a known pressure or distance or may be remotely operated.

Abstract: A multiphase flow measurement apparatus includes a tubular, a first microwave resonator, a second microwave resonator, and a coplanar waveguide resonator. The tubular includes a wall formed to define an inner bore configured to flow a multiphase fluid. The first microwave resonator has a first helical shape with a first longitudinal length and is configured to generate a first electric field that rotates. The second microwave resonator has a second helical shape with a second longitudinal length different from the first longitudinal length of the first microwave resonator and is configured to generate a second electric field that rotates. The first and second microwave resonators are mutually orthogonal to each other and cooperatively configured to measure a salinity of the multiphase fluid flowing through the inner bore. The coplanar waveguide resonator is configured to generate a third electric field to measure a flow rate of the multiphase fluid.

Abstract: The present disclosure provides a method and system for detecting exhaust emissions of a vehicle equipped with an ignition engine based on big data of remote sensing. The system includes: a vehicle emission measuring instrument, a host computer, an information display instrument, a vehicle driving state tester, a weather monitor, a license plate camera and a vehicle emission monitoring platform. The vehicle emission measuring instrument, the information display instrument, the vehicle driving state tester, the weather monitor and the license plate camera communicate with the host computer. The host computer is connected to the vehicle emission monitoring platform via the Internet. The present disclosure acquires pollutant concentrations in the vehicle emissions through the detection system, divides a vehicle specific power (VSP) into multiple bins, performs statistical analysis and evaluation on the vehicle emissions according to different vehicle types, and determines high-emission vehicles.

Abstract: A method of calibrating positions of wheels in an AGV, the method including positioning a second wheel tangentially on an imaginary second circle centered with respect to a center position in which a first wheel is fixed; driving the second wheel a second distance along the second circle such that the AGV rotates about the center position; determining the second distance based on data from a second wheel sensor device of the second wheel; determining an angle of rotation about the center position based on data from a first steering sensor device of the first wheel during the rotation of the AGV; and determining relative positions between the first wheel and the second wheel based on the second distance and the angle of rotation. An AGV is also provided.

Abstract: A vibrating device is provided that can appropriately reproduce a vibrating state during travel of a vehicle. A vibrating actuator (12) of a vibrating device (1) vibrates a driving wheel W by driving a second roller (16) in a front-rear direction in a state where a lower side portion of the driving wheel W is held between a first roller (17) and the second roller (16). In a case where the wheel W is in a creep state, the second roller (16) is driven so as to rotate in a reverse direction to the driving wheel W by a rotating actuator (170).