8results about "Vehicle shock testing" patented technology

The application provides a structure reinforcing member high-speed impact experiment method, which comprises three steps of determining experiment data, calculating experiment scheme and starting experiment, the application obtains boundary conditions and impact performance requirements of high-speed column impact experiment by firstly performing experiments on multiple groups of boundary test pieces with different sizes, then combines the high-speed drop hammer experiment device, and calculates the experiment scheme in advance by using a CAE calculation method, and then adjusts the impact speed, the impact mass of the drop hammer and the fulcrum position of the clamp by using the principles of equal energy absorption and equal deformation, so that the rocker panel is subjected to equal bending deformation in the impact, to perform the high-speed impact experiment of the structure reinforcing member, thereby solving the problem that the static three-point bending cannot sufficiently verify the high-speed column impact in the prior art, equivalently replacing the strength test of the rocker panel component in the high-speed column impact experiment of the whole vehicle, enabling the development and verification work of the structure reinforcing member in the rocker panel to be performed in the early stage, and saving the vehicle impact test resources.

The present invention relates to a method and device for generating augmented reality graphic content representing a vehicle crash test. To this end, initial data representing a three-dimensional video sequence of a vehicle crash test involving a crash dummy are received (31). A digital twin is selected (32) from a plurality of digital twins, each digital twin of the plurality of digital twins being representative of a three-dimensional model of a dummy representing a person with a specific morphology.The augmented reality graphic content is generated (34) from the first and second data received (33) and corresponds to a three-dimensional model of the mannequin associated with the selected digital twin by replacing the mannequin in the three-dimensional video sequence with the three-dimensional model of the mannequin associated with the selected digital twin. Figure for the abstract: Figure 3.

Disclosed are a shock absorber performance testing device and method for vehicle engineering. The device includes a box body and a box door, where a U-shaped frame is fixedly connected to a bottom of the box body, a motor is fixedly connected to a bottom of the U-shaped frame, a rotating disk is fixedly connected to an output end of the motor, a moving block is connected to the rotating disk by a guide mechanism, two first connecting blocks symmetrically arranged are fixedly connected to a bottom of the moving block, two second connecting blocks symmetrically arranged are fixedly connected to a top of the rotating disk, and insertion holes are formed on side walls of the first and second connecting block. The present invention facilitates continuous multiple impact tests and adjusts the frequency and amplitude of the impact, thereby making the test more convenient and achieving better test results.

A method for event data recorder testing and an apparatus thereof are disclosed. The method includes: (a) preparing an event data recorder testing apparatus and planning test conditions; (b) calculating to obtain the next subsequent test condition information; (c) converting movement speed of the event data recorder and storing the movement speed as a simulation result; (d) setting a rotating angle of a rotating platform, a pivot angle of a frame and pressure of the air ejected from a nozzle according to the simulation result, respectively; (e) performing a simulation test on the event data recorder testing apparatus according to the settings, and driving the nozzle to eject the air to generate thrust on the event data recorder; (f) obtaining and storing the action information of the event data recorder, and recording simulation result of the operation process; and (g) generating a test report.

The application discloses a kind of impact testing device and method of pure electric passenger car skateboard chassis, it is related to the technical field of automobile safety performance test, support module is movably installed on mobile main body module, and support module can reciprocate on mobile main body module, impact module is installed in support module, and the impact direction of impact module is vertical direction, the upper end of impact module is used to act on the lower end of impact skateboard chassis, monitoring module monitors the impact speed and acceleration of impact module, the horizontal speed of mobile main body module and the distance between mobile main body module and the impact point on skateboard chassis, monitoring module is electrically connected control module, control module calculates the trigger point of impact test according to the data monitored by monitoring module, power module is connected with mobile main body module, and is used to drive mobile main body module to advance.The application can simulate the actual situation of pure electric passenger car skateboard chassis in collision, improve the accuracy of pure electric passenger car chassis test.

A system determines the position of a seatbelt in a crash test using a pressure sensing garment affixed to a crash test dummy. The pressure sensing garment is a surface or material configured to measure pressure applied to the crash test dummy during a crash test. The pressure sensing garment measures pressure applied to the crash test dummy using a capacitive sensor grid. The system determines the position of the seatbelt based on the pressure data from the pressure sensing garment and may apply various algorithms to automatically determine the angle and centerline of the seatbelt based on the pressure data.

The application provides a safety belt and air bag detection method and system for a new energy vehicle, and relates to the field of safety belt and air bag detection. The method comprises the following steps: determining a plurality of groups of collision simulation parameters of a new energy vehicle to be detected based on safety belt parameter information and safety air bag system parameter information of the new energy vehicle to be detected, safety belt parameter information and safety air bag system parameter information of a plurality of sample new energy vehicles, and safety belt and air bag test data; for each group of collision simulation parameters, obtaining a safety belt detection data set and an air bag detection data set corresponding to the collision simulation parameters of the new energy vehicle to be detected; and performing collaborative performance evaluation of the safety belt and the air bag of the new energy vehicle to be detected according to the safety belt detection data set and the air bag detection data set corresponding to each group of collision simulation parameters of the new energy vehicle to be detected, so that the collaborative detection of the safety belt and the air bag is realized.