1325results about "Bumpers" patented technology

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

The invention relates to a concave angle asymmetric double-layer negative Poisson's ratio superstructure and application thereof. A concave angle asymmetric double-layer negative Poisson's ratio superstructure comprises bearing pressing plates symmetrically arranged at the upper end and the lower end and a plurality of unit cell elements arranged between the two pressing plates, and is characterized in that the unit cell elements are arranged at equal intervals in the transverse direction and the vertical direction respectively to form an m * n array, each unit cell unit comprises a double-layer concave corner body, transverse connecting rods on the two sides and a vertical connecting rod on the upper portion, the lower portion of each double-layer concave corner body is an outer flat plate cell wall, and the ends of the transverse connecting rods between every two transversely adjacent unit cell units are connected into a whole. And the end parts of the vertical connecting rods between the vertically adjacent unit cell elements are connected with the outer flat plate cell walls into a whole. The deformation mode of the superstructure is influenced by the impact speed, when the speed is increased, the deformation mode transits from overall deformation to local deformation, different local deformation zones are generated, the superstructure has different horizontal contraction processes at different impact speeds, the negative Poisson's ratio effect is reduced along with the increase of the speed, and the local deformation zones are reduced. The superstructure can be applied to anti-impact protection parts of automobiles, airplanes and unmanned aerial vehicles and anti-impact protection parts of wearable protection devices.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

A method of coupling a sensor to a metal bumper for a vehicle includes providing a substrate configured as a sheet of metal for forming the metal bumper, forming an aperture within sheet of metal, and inserting the sensor into the aperture such that the sensor is directly supported by the sheet of metal without an intervening retainer.

A vehicle, comprising a rear longitudinal beam assembly (410); and a rear wheel cover (451) and rear wheel cover supporting rods, the rear wheel cover (451) being connected to the rear longitudinal beam assembly (410), the rear wheel cover supporting rods comprising a rear wheel cover rear supporting rod (452) and a rear wheel cover front supporting rod I (43l), the rear wheel cover (451) being connected to the rear longitudinal beam assembly (410) by means of the rear wheel cover rear supporting rod (452), and the rear wheel cover (451) being connected to a passenger compartment (20) by means of the rear wheel cover front supporting rod I (431). Therefore, the layered design of force transmission paths by the rear longitudinal beam assembly (410), the rear wheel cover (451) and the rear wheel cover supporting rods improves the collision strength of vehicles.

A vehicle rear portion structure includes a framework member, a side member and a floor member. The framework member is integrally molded by casting and structures a rear portion of a vehicle body. The side member extends in the vehicle front-and-rear direction and is attached to a rear portion of the framework member. The floor member is provided at the vehicle upper side of the side member and includes a long hole portion with a length direction in the vehicle front-and-rear direction. The floor member is fastened to the side member by a fastening that is inserted into a vehicle rear side region of the long hole portion.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

The subject of the invention is an impact energy absorbing device, comprising a shock absorber (3) with a cylinder (3a) and piston rod (3b), a sleeve (1) to be cut and a machining tool (2) surrounding the sleeve (1) to be cut, for machining the surface of the sleeve (1) to be cut, characterized in that the sleeve (1) to be cut is a cylinder (3 a) of the shock absorber (3).

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

The invention discloses a bionic automobile passive energy absorption device based on nickel-titanium alloy, and relates to the technical field of automobile passive safety, the bionic automobile passive energy absorption device comprises an anti-collision beam main body, two energy absorption boxes are fixedly arranged on one side of the anti-collision beam main body, the energy absorption boxes are filled with bionic energy absorption inner cores, the anti-collision beam main body, the energy absorption boxes and the bionic energy absorption inner cores are made of nickel-titanium alloy, and the anti-collision beam main body, the energy absorption boxes and the bionic energy absorption inner cores are made of nickel-titanium alloy. And all the components are integrally printed and formed in an additive manufacturing mode. The differential bionic lattice structures of the anti-collision beam body and the energy absorption boxes form a collaborative energy absorption system, and the whole process optimization of gradient buffering of collision loads, layered dissipation of energy and precise deformation control is achieved. The anti-collision beam body buffers instantaneous load at the initial stage of collision, peak load is reduced, stable conditions are created for follow-up energy absorption of the energy absorption box, the anti-collision beam body dissipates collision energy, and residual energy is further dissipated in a layered mode through the bionic lattice structure of the energy absorption box.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

According to the automobile front anti-collision beam assembly manufactured by combining the hot air expansion forming process and the liquid expansion forming process, a front anti-collision beam body adopts the hot air expansion process to be matched with a front vertical face design and a rear vertical face design which are provided with reinforcing ribs, double improvement of material characteristics and structural performance can be achieved, and therefore the deformation resistance capacity of the front face of an automobile can be fully guaranteed. The design of the energy-absorbing box sub-assembly can realize better collision initial-stage protection and later-stage energy-absorbing collapsing functions, and the production efficiency and the cost can be effectively improved by combining with a liquid expansion forming process.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

Systems and methods of sensor data fusion including sensor data capture, curation, linking, fusion, inference, and validation. The systems and methods described herein reduce computational demand and processing time by curating data and calculating conditional entropy. The system is operable to fuse data from a plurality of sensor types. A computer processor optionally stores fused sensor data that the system validates above a mathematical threshold.

The invention discloses an automobile energy absorption box and a preparation method thereof, and relates to the technical field of automobile collision safety, the automobile energy absorption box comprises a core body front end structure and a core body rear end structure, the core body front end structure is formed by core body front end structure cell element arrays, the core body rear end structure is formed by core body rear end structure cell element arrays, and the core body rear end structure is formed by core body rear end structure cell element arrays. Core body front end structure cell elements and core body rear end structure cell elements are all surrounded by outer side structures surrounding inner side structures, the outer side structures are negative Poisson's ratio structures, the inner side structures are positive Poisson's ratio structures, impact energy is resisted by means of multiple deformation characteristics of torsion, compression and expansion of positive and negative Poisson's ratio synergistic structures, kinetic energy brought by impact is fully absorbed, and the impact resistance is improved. And SLM integral forming is adopted, the defects caused by manufacturing and assembling of a traditional energy absorption box are overcome, and the reliability and durability of the energy absorption box are improved.

The invention relates to a talcum powder filled polypropylene composite material based on surface modification and process cooperation and an injection molding pocking mark defect inhibition method. The material is composed of co-polypropylene, acidic salt-titanate composite modified talcum powder, flaky mica (5-10 [mu] m), a POE flexibilizer, a zeolite molecular sieve, an MAH-g-PP compatilizer, a zinc stearate dispersant and the like. According to the invention, the three measures of surface modification treatment, formula design and process purification technology are combined, and the problem of pitting defects (surface pits and white spots) generated in the injection molding process of the talcum powder filled polypropylene composite material is mainly solved. Through filler surface modification treatment, formula design and a process purification technology, the hard spot defect rate is reduced by about 85%, and the method is suitable for products with high surface quality requirements, such as automobile bumpers and instrument panels.

The invention discloses a self-adaptive multi-stage negative Poisson's ratio energy absorption device and a manufacturing method.The self-adaptive multi-stage negative Poisson's ratio energy absorption device comprises a shell and a negative Poisson's ratio honeycomb structure arranged in the shell, and the negative Poisson's ratio honeycomb structure is formed by a plurality of self-adaptive negative Poisson's ratio unit cell arrays; each self-adaptive negative Poisson's ratio unit cell comprises a negative Poisson's ratio framework, an upper supporting structure and a lower supporting structure, the upper supporting structure and the lower supporting structure are connected to the interior of the negative Poisson's ratio framework, a horizontal supporting platform is arranged in the middle of the negative Poisson's ratio framework, and a preset gap allowing the negative Poisson's ratio framework to shrink and deform is formed in the middle of the horizontal supporting platform of the negative Poisson's ratio framework; the upper supporting structure extends downwards from the joint with the negative Poisson's ratio framework and is provided with an upper supporting platform, and the lower supporting structure extends upwards from the joint with the negative Poisson's ratio framework and is provided with a lower supporting platform; the self-adaptive graded protection device has the advantages that elastic buffering reusability of low-speed collision and multi-stage efficient energy absorption of high-speed collision can be both considered, and self-adaptive graded protection is achieved.

The invention relates to the technical field of high polymer material ingredients, and discloses a low-linear expansion coefficient PCR-PP bumper material and a preparation method thereof.The low-linear expansion coefficient PCR-PP bumper material comprises a low-expansion inorganic core, an interface gradient coupling agent and a surface activity modifier, the interface gradient coupling agent forms a brush-like topology grafting layer with the grafting rate of 2.5%-4.5% on the surface of the low-expansion inorganic core, and the surface activity modifier forms a brush-like topology grafting layer with the grafting rate of 2.5%-4.5% on the surface of the low-expansion inorganic core; the surface activity regulator performs steric hindrance locking on the brush-like topological grafting layer through long-chain alkyl of the surface activity regulator. According to the preparation method, a gradient distribution interface layer with specific grafting density and chain segment length is constructed on the periphery of an inorganic core, so that an interface chain segment actively absorbs thermal expansion displacement of a matrix by utilizing conformation transformation; the thermal stress vector discontinuity between the filler and the matrix is eliminated, and an interface mechanical response mode is reconstructed to inhibit interface delamination and microcrack initiation while the overall linear expansion coefficient is inhibited.

A vehicle includes a bumper assembly. The bumper assembly includes a bumper, a rod fixed relative to the bumper and elongated along an axis, and a bracket spaced from the bumper along the axis of the rod. The bracket movably receives the rod. An actuator is supported by the bracket and is releasably engageable with the rod. A spring is on the rod between the bumper and the bracket. The spring biases the bumper away from the bracket.

This invention relates to the field of composite materials technology, and in particular to a high-energy-absorbing basalt fiber composite material, its preparation method, and its applications. The method includes the following steps: pretreating basalt fiber fabric; immersing the fabric in a composite treatment solution and drying it to obtain a microscale flexible interface layer; then coating the surface with a multiphase resin system, drying it after coating, and obtaining a toughened basalt fiber fabric; after stacking, inserting a nonwoven felt layer at several intermediate layers of the toughened basalt fiber fabric, evacuating the vacuum, then injecting a resin system, heating and maintaining the temperature for initial curing, tempering at a low temperature, and then slowly cooling; after demolding, processing to obtain the basalt fiber composite material. This invention employs the above steps, with a clear process path, strong repeatability, and easy engineering and large-scale production, providing a reliable technical solution for high-energy-absorbing basalt fiber composite materials in vehicle protective components, buffer energy-absorbing structures, and other high-impact load applications.

The utility model provides an unmanned mining truck anti-collision mechanism which comprises a main beam, an energy absorption box and a mounting plate, a clamping groove is formed in the inner side wall of the energy absorption box, a foamed aluminum energy absorption block is arranged in the clamping groove, and the foamed aluminum energy absorption block abuts against the main beam. The foamed aluminum energy absorption block is additionally arranged in the energy absorption box, and the energy absorption effect can be improved through crumple of the foamed aluminum energy absorption block.

The automobile rear bumper fixing structure comprises the automobile rear bumper body and the fixing unit arranged on the automobile rear bumper body, the automobile rear bumper body can be conveniently disassembled and assembled through the fixing unit, the installation efficiency and the installation quality of the automobile rear bumper body can be improved, the automobile rear bumper body can be firmly installed, and the service life of the automobile rear bumper body is prolonged. According to the automobile rear bumper fixing structure, the automobile rear bumper body can be conveniently disassembled and assembled, the installation efficiency and the installation quality of the automobile rear bumper body can be improved, the automobile rear bumper body can be firmly installed, and the automobile rear bumper body can be conveniently disassembled and assembled. And the possibility of deformation of the automobile rear bumper body caused by repeated disassembly and assembly is effectively reduced.

The invention provides an anti-collision control method and device, electronic equipment and a medium, the anti-collision control method is applied to an anti-collision beam assembly of a vehicle, the anti-collision beam assembly comprises an actuating mechanism, the method comprises the steps that the state of the actuating mechanism is detected, and the state of the actuating mechanism comprises the stretching state and the retracting state; when the actuating mechanism is in the extending state, the type of the object to be collided is obtained; the type of the object to be collided comprises a type needing to be protected and a type not needing to be protected; the deceleration of vehicle braking is obtained; and according to the type of the to-be-collided object and the deceleration of vehicle braking, the actuating mechanism is controlled to act. By means of the anti-collision control method, flexible adjustment of the actuating mechanism can be achieved, the anti-collision beam assembly can flexibly cope with different collision scenes, meanwhile, protection on people inside the vehicle and people outside the vehicle is enhanced, and optimization and improvement of the vehicle anti-collision beam assembly are facilitated.

The utility model relates to the technical field of automobile bumpers, in particular to a self-adaptive deformation guide structure of a bumper buffer piece, which comprises a buffer base body, a plurality of guide grooves extending along the longitudinal direction are arranged in the buffer base body, deformation guide ribs are arranged among the guide grooves, stress dispersion columns are symmetrically arranged on two sides of the deformation guide ribs, and the stress dispersion columns are arranged on the buffer base body. A plurality of limiting bosses are arranged on the front end face of the buffer base body, positioning holes matched with a bumper beam are formed in the rear end of the buffer base body, and the guide grooves, the deformation guide ribs, the stress dispersion columns, the limiting bosses and the positioning holes are integrally formed in an EPP material to form a guide structure with the self-adaptive deformation capacity. When the self-adaptive deformation guide structure of the bumper buffering piece is impacted, materials can be guided to deform in order, stress is effectively dispersed, the energy absorption efficiency and the structural stability are improved, and therefore the safety performance of the buffering piece under different collision working conditions is improved.

This invention discloses an automotive bumper and its manufacturing process. The invention includes a front bumper plate, side bumper plates, and auxiliary fixing plates. The front bumper plate has mounting cavities, and a buffer device is installed within these cavities. The buffer device includes a buffer push plate with a trapezoidal buffer rubber block mounted at its front. Multiple pushing components are installed within the groove. The buffer device also includes a T-shaped fixing plate disposed within the mounting cavities. A protective plate is also provided at the front end of the mounting cavities. This automotive bumper has two mounting cavities on the front bumper plate, each containing a buffer device. When the speed difference reaches a certain level, and only during deceleration, the buffer device, under inertia, propels out of the mounting cavities, immediately generating a collision to reduce the energy generated by the impact and protect the safety of passengers inside the vehicle. The pushing components within the buffer device have a pull rope connected to their tail end that automatically pulls the protective plate upwards, preventing the protective plate from being broken during sudden braking.