12 results about "Collision test" patented technology

The invention relates to a system (100) for optimizing the configuration of crash tests and simulations for vehicle development. The system (100) comprises a data preparation module (200) that splits a data set (210) containing crash test and simulation data into a first training data set (210), a validation data set (230), and a test data set (240); a training module (300) with a first AI model (350) for creating configurations of physical crash tests and virtual simulations, wherein the first AI model (350) is trained with the first training data set (220); and a data value module (400) that calculates data values ​​(φ(i)) for the data points (i) of the crash test and simulation data of the training data set (220) with respect to the validation data set (230).a model optimization module (500) comprising a second AI model (550) and a training data generator (570), wherein the training data generator (570) creates a second training data set (580) which is used to train the second AI model (550) to predict the relationship between input parameters (p) and the computed data values ​​(φ(i)); a parameter module (700) which uses the trained second AI model (550) to find crash test parameters with a maximum data value (φ(i)).

This application discloses a boom collision detection method, apparatus, engineering equipment, and machine-readable storage medium, relating to the field of engineering equipment technology. Upon detecting a collision with the boom, the method determines the measured collision level based on the momentum change information of the boom during the collision. The collision severity is determined based on this momentum change information, providing effective data reference for subsequent safety measures and improving the accuracy of boom collision detection. Furthermore, safety measures are taken for the boom based on the measured collision level and a target collision level, where the target collision level is determined by conducting a collision test on the boom using a preset collision energy. By determining the severity of the collision through the target collision level and implementing targeted safety measures, the effectiveness of boom collision handling and the safety of boom operations are improved.

The utility model relates to the field of automobile test technology discloses a kind of quick replaceable simulated windscreen mounting structure, including chassis and simulated windscreen body, the chassis is fixedly installed with front support frame and rear support rod, the rear support rod is provided with at least same two, two the rear support rod between fixedly installed with support cross bar and positioning frame one, the support cross bar outer side is fixedly installed with connecting rod at the one end of rear support rod away from chassis. The quick replaceable simulated windscreen mounting structure, by the cooperation of fixed seat and limiting frame, when force sensing assembly is installed, force sensor body can be inserted between fixed seat and limiting frame first, it can be convenient for the quick installation of both, and when overall force sensing assembly is installed, it can protect force sensor body, avoid simulated windscreen body in collision test, easily lead to force sensor body easily damaged and displacement due to collision.

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.

Embodiments of the present application provide a barrier-avoiding method, device, equipment, medium and program for unmanned forklift. The present application relates to the technical field of autonomous barrier-avoiding of unmanned forklift. The method comprises: in response to an obstacle-avoiding instruction, obtaining a plurality of sampling points of the unmanned forklift within the path boundary of a target path; determining a plurality of obstacle-avoiding paths based on the plurality of sampling points; performing collision test on each obstacle-avoiding path and calculating the cost function value of each obstacle-avoiding path passing the collision test; determining a target obstacle-avoiding path according to the cost function values of the plurality of obstacle-avoiding paths passing the collision test; and performing barrier-avoiding control on the unmanned forklift based on the target obstacle-avoiding path. The method is used to achieve the technical effect of precise autonomous barrier-avoiding of the unmanned forklift.

The utility model belongs to power battery test technical field, especially relates to a kind of fire extinguishing protective device of power battery simulation collision test, including water tank, several battery fixed positions are equipped in the water tank, the bottom plate of water tank is equipped with insulating plate, several fixing holes are equipped on the bottom plate, water tank is fixed on simulation collision platform by fixing hole, the utility model provides a kind of fire extinguishing protective device of power battery simulation collision test, if the battery smokes and fires during test process, can add water to pool and extinguish fire, so unnecessary harm can be avoided, in addition, water tank also plays the role of barrier, some unnecessary dangers can be avoided.

This utility model relates to the technical field of anti-collision beam collision testing equipment, and discloses an anti-collision beam strength testing device, including a base, with fixed plates fixedly connected to both sides of the base, and a load-bearing plate fixedly connected between the two fixed plates. A limit sleeve is installed on one side of the load-bearing plate, and a groove is opened on the inner side of the limit sleeve. A punch rod is slidably connected to the inner side of the groove, and a push ball is fixedly connected to the end of the punch rod away from the limit sleeve. This utility model uses a servo motor to push a wedge-shaped push block to one side at high speed. When the wedge-shaped push block collides with the push ball, the push ball and the punch rod move rapidly to one side. The punch rod drives the punch hammer to collide with the anti-collision beam fixed on the mounting support at high speed. The rotation speed of the lead screw can be flexibly controlled by the servo motor, thereby indirectly controlling the collision speed of the punch hammer, which is convenient for simulating various collision speeds during the collision test.

The present invention relates to a battery test device configured to perform various types of tests, such as a compression test, a drop test, a penetration test, a fire test, and a collision test, guarantee a stable battery test, and prevent the spread of a fire.

This application provides a rapid fault triggering device and method for a cantilever structure sensor, belonging to the field of sensor technology. It includes a base plate, a mounting base, a mounting plate, and a collision clamp. The mounting base and mounting plate are vertically connected to the upper surface of the base plate. The mounting plate moves axially along the sensor under test. The collision clamp is mounted on the mounting plate. The sensor under test passes sequentially through the mounting base, the mounting plate, and the collision clamp. The collision clamp has a through hole for the sensor to pass through, the diameter of which is larger than the outer diameter of the sensor. The method includes mounting the sensor under test on the mounting base, mounting the collision clamp on the mounting plate, adjusting the position of the collision clamp and the gap between the through hole and the sensor; conducting vibration tests using the HB5830 test method and vibration spectrum; and swinging the collision test fixture under vibration using the cantilever structure to amplify the test magnitude through the collision effect, thereby achieving rapid fault triggering. This application significantly improves R&D efficiency and reduces time costs and experimental resource waste.

The application relates to the technical field of testing devices, and discloses a driving recorder testing device which comprises a moving mechanism for placing and installing a driving recorder, a testing box and a traction mechanism. The moving mechanism comprises a moving seat, a placing table and multiple groups of telescopic rods. Collision guide wheels are rotatably installed at the four corners of the placing table, and a supporting rod is further installed at the bottom of the placing table, and the bottom of the supporting rod is provided with a vibration guide wheel. The moving seat comprises a frame body and moving rollers. The vibration guide wheel can pass through the frame body. The inner bottom wall of the testing box is provided with a guide rail. The testing box is provided with a bumping test section and a collision test section. A test table is formed on the inner bottom wall of the testing box, a plurality of first convex strips are arranged on the test table, the collision guide wheels are in rolling contact with the inner walls on the two sides of the bumping test section, a plurality of second convex strips are formed on the two inner walls of the collision test section, and the second convex strips on the two inner walls are arranged in a staggered mode. The driving recorder testing device can simulate the continuous dynamics in the collision process, so that the testing result is more accurate.

The application relates to the technical field of test equipment of battery devices, in particular to a fixing device for battery simulation collision test, which comprises a trolley, a first positioning hole is formed in the trolley, a first sample mounting platform and a second sample mounting platform can be respectively installed on the trolley according to the use requirement, and recessed locking holes are formed in the first sample mounting platform and the second sample mounting platform. The fixing device is provided with the trolley, X-direction and Y-direction tests are realized by launching the trolley through a launching device, a hole limiting block is formed on the protruding part at the side surface or the end surface of the power battery, the protruding parts at three positions of the power battery are fixed through fixing bolts on the L-shaped frame, the stable clamping of the power battery is realized, the first sample mounting platform of the fixing device is locked and screw-connected to the recessed locking hole through an internal hexagonal bolt, after installation, the internal hexagonal bolt is sunken and does not protrude from the surface of the trolley.

This specification discloses a data display method, apparatus, medium, and device. During a collision test of a medical imaging device, the real-time rotation angle and target rotation angle of the medical imaging device are determined. Based on the real-time and target rotation angles, the test progress of the medical imaging device is determined. A three-dimensional image of the medical imaging device is generated, and the three-dimensional image is rotated on a screen displaying the three-dimensional image according to the real-time rotation angle, with the test progress displayed on the screen. By displaying the test progress of the medical imaging device collision test to the user, the user can accurately determine the current actual rotation position of the medical imaging device, thereby assisting the user in formulating medical plans and implementing operations. Furthermore, it allows the user to monitor the current state of the medical imaging device and the collision test progress in real time, and to determine whether a collision will occur.