362results about How to "Reduce collision damage" patented technology

An impact absorbing device for a vehicle may include a bumper beam disposed to extend in a traverse direction of a vehicle, a side member extending in a longitudinal direction of the vehicle and disposed at a lateral side of the vehicle in the traverse direction thereof, a crash box connecting the bumper beam in the longitudinal direction of the vehicle to the side member, a fender apron member disposed at outer sides of the side member in the traverse direction of the vehicle, a connecting member connecting the fender apron member and the side member, and a side crash box of which a front tip end may be mounted to an outer portion of the bumper beam positioned at an outer direction of the side member in the traverse direction of the vehicle, and of which a rear tip end may be disposed to be spaced apart from the connecting member at a predetermined interval therebetween.

A cruise control device and an obstacle detection device are provided which achieve a safe and appropriate tracking control by avoiding a sudden recognition of a short following distance when a preceding vehicle is found in an uphill or downhill gradient, in a curve, or at an intersection, or by reducing the damage of a crash when the crash cannot be avoided. An obstacle determination process section is provided which receives information from a sensor which detects an obstacle, receives terrain information of the position of the host vehicle from a navigation device, and determines the presence of the obstacle when a predetermined condition is satisfied after the sensor detects the obstacle. The predetermined condition to determine the presence of the obstacle is changed based on the terrain information of the position of the host vehicle received from the navigation device.

The invention relates to a control method and device for an automatic emergency braking system, and belongs to the technical field of vehicle braking system. The method comprises the steps that whether or not a pedestrian and a target vehicle are on a driveway of a host vehicle, the speed of the pedestrian, the relative distance between the host vehicle and the pedestrian, the speed of the host vehicle, deceleration of the host vehicle, the speed of the target vehicle and the relative distance between the host vehicle and the target vehicle are detected, and the relative speed of the host vehicle and the pedestrian and the relative speed of the host vehicle and the target vehicle are determined. According to the method and the device, the pedestrian and the target vehicle can be distinguished, according to the host vehicle and target objects including the state of a driver, emergency circumstances are comprehensively and accurately judged, and braking is conducted; fuzzy braking for simulating manned driving can be achieved, and then effective and stable collision avoidance or collision damage lowering is achieved.

The invention discloses a vehicle and a method and a device for controlling automatic emergency braking of the vehicle. The method includes the steps: determining whether an external object is positioned in a driving lane of the vehicle or not according to the course angle speed of the vehicle, the relative distance between the vehicle and the external object and the deviation angle of the external object relative to the vehicle; acquiring braking deceleration needed by safety running of the vehicle according to the running speed of the vehicle, the relative distance between the vehicle and the external object, the relative speed of the vehicle and the external object and the safety distance of the vehicle in braking if the external object is positioned in the driving lane of the vehicle; responding to the braking deceleration larger than 0, and controlling corresponding braking action of the vehicle according to the relation between the braking deceleration and a preset threshold value. Collision can be effectively and reliably avoided, or collision injury can be effectively and reliably relieved, the collision risk of two vehicles running at the same speed can be avoided, and unnecessary early braking affecting normal driving can also be effectively avoided.

The driving support system detects an object existing around an own vehicle. The driving support system 1 predicts a position of a movement destination of the detected object. The driving support system sets a region having a predetermined width at each of an X coordinate and a Y coordinate as a tracking region to be set for tracking the object, based on an XY coordinate of the position of the predicted movement destination of the object. The driving support system limits the tracking region, based on a tracking exclusion region where objects unsuitable as tracking targets may be detected with high probability. At that time, the driving support system limits the tracking region by excluding the tracking exclusion region from the tracking region.

An impact absorbing device for a vehicle may include a bumper beam having a hollow cross section which extends in a traverse direction of the vehicle, and crash boxes interposed between the bumper beam and a vehicle body in a longitudinal direction of the vehicle at both distal portions of the bumper beam, wherein rear surfaces of the both distal portions in the bumper beam include an opening formed so as to communicate with the hollow cross section of the bumper beam, wherein a rib may be formed at the opening of the bumper beam in a traverse direction of the opening, and wherein the crash box includes a front tip end inserted through the opening while being fitted to the rib to extend up to an inside of the hollow cross section, and a rear tip end mounted to the vehicle body in the longitudinal direction of the vehicle.

The invention relates to the technical field of a robot and particularly relates to a control system and a control method with functions of relieving collision damage and preventing falling. The control system comprises a gyroscope, an acceleration sensor, a central processor and a driving controller, wherein the gyroscope, the acceleration sensor and the driving controller are respectively in electric connection with the central processor. According to the control system and the control method with functions of relieving collision damage and preventing falling disclosed by the invention, an acceleration filtering processing module, an anti-collision control processing module and a gesture filtering processing module are arranged, an anti-collision algorithm and an anti-falling algorithm are reliable and efficient, the collision damage to a mobile platform after sudden collision can be effectively alleviated and the anti-falling capability of the mobile platform can be improved.

The invention discloses a ship collision risk evaluation method and system based on data mining. The method includes: according to recorded ship collision historical data, predicting causation factor occurring times through a cumulative auto-regressive moving average model, adopting a principal component analysis method to perform dimension reducing calculation on causation factors, and taking an acquired principal component as input of a first neural network to predict collision probability; adopting decision-making tree analysis to find an accident sequence with high confidence degree and occurring frequency, using a neural network model to calculate number of injured people, number of dead people and property loss, and performing standardization and normalization processing to eliminate influence of order and dimension; using an expert system and a fuzzy hierarchy analysis method to give different weights to indexes to quantify collision consequence. According to the above content, the ship collision risk evaluation system based on data mining is developed, ship collision risk is predicted quantitatively, real-time guidance is provided for ship control, collision avoiding emergency and on-site handling, and loss can be lowered effectively.

A cruise control device and an obstacle detection device are provided which achieve a safe and appropriate tracking control by avoiding a sudden recognition of a short following distance when a preceding vehicle is found in an uphill or downhill gradient, in a curve, or at an intersection, or by reducing the damage of a crash when the crash cannot be avoided. An obstacle determination process section is provided which receives information from a sensor which detects an obstacle, receives terrain information of the position of the host vehicle from a navigation device, and determines the presence of the obstacle when a predetermined condition is satisfied after the sensor detects the obstacle. The predetermined condition to determine the presence of the obstacle is changed based on the terrain information of the position of the host vehicle received from the navigation device.

An impact absorbing device for a vehicle may include a bumper beam disposed to extend in a traverse direction of a vehicle, a side member extending in a longitudinal direction of the vehicle and disposed at a lateral side of the vehicle in the traverse direction thereof, a crash box connecting the bumper beam in the longitudinal direction of the vehicle to the side member, a fender apron member disposed at outer sides of the side member in the traverse direction of the vehicle, a connecting member connecting the fender apron member and the side member, and a side crash box of which a front tip end may be mounted to an outer portion of the bumper beam positioned at an outer direction of the side member in the traverse direction of the vehicle, and of which a rear tip end may be disposed to be spaced apart from the connecting member at a predetermined interval therebetween.

The invention discloses a control method of an intelligent vehicle. The control method of the intelligent vehicle comprises the steps of obtaining vehicle information and vehicle front obstacle information, and judging whether or not the vehicle can be avoided from colliding with a first obstacle nearest to the vehicle according to the vehicle information and the vehicle front obstacle information; if the vehicle cannot be avoided from colliding with the first obstacle, judging whether or not other obstacles exist at the left side and the right side of the first obstacle according to the vehicle front obstacle information; if other obstacles exist in both the left side and the right side of the first obstacle, correspondingly controlling the vehicle according to the vehicle front obstacleinformation. The invention further discloses the intelligent vehicle, a control device and system of the intelligent vehicle and a computer storage medium. By means of the intelligent vehicle, the control method, device and system thereof and the computer storage medium, it can be achieved that the collision loss of the vehicle is reduced when the vehicle cannot be avoided from colliding with other obstacles.

The present invention relates to a magnetic steel sheet sorting machine. It includes the following several portions: vibration table frame, liquid-storage material-receiving tank, water inlet pipe and water outlet pipe, material inlet and material outlet. The middle of vibration table frame is equipped with a vibration sieve plate, said vibration is formed from longitudinal grizzly screens and transverse grizzly screens which are alternatively arranged. Besides, said invention also provides the working principle of said magnetic steel sheep sorting machine and its concrete operation and steps.

A process for manufacturing a novel protective shoe upper comprises the following steps: adding a processing adjuvant, a bridging agent, a foaming agent, an active agent, and pigment in EVA raw materials, forming EVA foaming body after fully mixing, finally cutting into an EVA foaming body layer; covering a bonding layer on the EVA foaming body layer, then blanking into a preset pattern modeling; placing the blanked EVA foaming body layer in a bottom die; coating a cloth-skin treatment agent on the bonding surface of the bottom layer of a shoe upper and placing on the bottom die of the die, closing a die cover, firstly pressurizing and heating and then pressurizing and cooling and fetching an end product. The protective shoe upper manufactured by the invention can effectively improve protective strength of the shoe upper, reduce collision harm from external impact force to an instep, and play a protective role for a user in outdoor activities.

An acceleration sensor includes: a support member; a fixed electrode provided on the support member; a movable unit; a movable electrode provided on the movable unit and disposed opposed to the fixed electrode to generate capacity; and a projection extending from the opposed surface of at least either the fixed electrode or the movable electrode in one direction within the surface.

The embodiment of the invention relates to an emergency brake control method used for a curve scene, vehicle-mounted equipment and a storage medium. The emergency brake control method used for the curve scene is applied to an intelligent driving vehicle and can comprise the steps of detecting a target; determining the type of the target; on the basis of the type of the target, determining a running path of the intelligent driving vehicle; on the basis of the type of the target and the running path, determining a minimum collision distance; and carrying out automatic emergency brake control onthe basis of the minimum collision distance. According to the emergency brake control method used for the curve scene, provided by the embodiment of the invention, by calculating and analyzing the target detected by the vehicle in the curve running process, the type of the target can be determined, and different modes are adopted for different types of the targets to determine the minimum collision distances so as to carry out automatic emergency brake control on the basis of the different minimum collision distances; and therefore, collision between the vehicle and the target is prevented orcollision damage is reduced.

The invention discloses an electronic device which includes a display screen, but does not have borders or has very narrow borders. The borderless electronic device specifically can be a mobile phone, a tablet computer, a watch, an MP3, an MP4, an MP5 or a game machine and the like. The display screen can completely occupy one surface or a plurality of surfaces of the device and provided with the shapes including a rounded rectangle, a chamfer, a rounding chamfer or an oval and the like, so that sharp-corner damages in collision can be reduced and appearance aesthetic perception can be improved. Part of the display screen is used as a special display area which is not included in standard display, for example, the round corner part or other parts can be used as special display, so that the software using a standard display interface cannot be displayed in the special display area and can be displayed in the special display area only by using a special interface or limits of authority, wherein the special display area can be used for displaying a touch key, a sign, advertisement, time or other useful contents in a customized manner. Various sensing devices needing to be exposed are connected on the device by a rotating body so as to be rotated, so that more flexible direction control is provided, and therefore, the devices needing to be exposed are prevented from occupying the display space. Besides, the borderless electronic device has a touch sensing function, so that the electronic device is protected by a protective laminating film and a protective sleeve.

The invention discloses an automobile collision avoidance system capable of reducing collision damage. The automobile collision avoidance system capable of reducing the collision damage is characterized by comprising an automobile state detection unit, an environment detection unit, a central control system, a steering control unit, a brake control unit and a protection device; three protection levels of a safety state, an emergency controllable state and an imminent collision state are set; in the imminent collision state, the avoidance route is planed according to the current automobile angular velocity measured by an automobile angular velocity sensor, automobile accelerated velocity measured by an automobile accelerated velocity sensor, relative distance and relative velocity; the collision area is estimated according to predicated collision part; and the steering control unit and the brake control unit automatically intervene through the central control system to implement avoidance. The avoidance logic is that the priority level of side collision of the automobile head or the automobile tail is higher than that of the front collision of the automobile head or the automobile tail and the collision area is small as much as possible; during avoidance, the central control system distributes four steering angles to hub motor controllers of four wheels in real time according tothe collision part and the estimated collision area, and each wheel singly steers; and when a collision occurs, the protection device is started.

The invention discloses an automobile parking auxiliary device, and belongs to the technical field of automobile auxiliary devices. The automobile parking auxiliary device comprises a shell arranged on the wall body, and further comprises three-stage buffering mechanisms and an alarm mechanism arranged in an inner cavity of the shell, the three-stage buffering mechanism is movably connected with atriggering mechanism which extends out of the outside, the triggering mechanism is connected with the alarm mechanism, a first-stage buffering mechanism is arranged between the triggering mechanism and the shell, a secondary buffering mechanism is arranged on the side, facing the first-stage buffering mechanism, of the shell, the triggering mechanism comprises a guide groove formed in the bottomof the inner cavity of the shell and communicated with the outside, a sliding rod capable of sliding in the guiding direction of the guide groove is arranged in the guide groove, one end of the sliding rod extends out of the outside, and the top surface of the sliding rod is higher than the top of the guide groove. According to the automobile parking auxiliary device, buffering and alarming are achieved in a pure mechanical transmission mode, the service time is long, maintenance is facilitated, the price is low, the impact force is reduced through multiple buffering, and the automobile is protected.

The invention relates to an automobile collision protection device, a monitoring protection method and an automobile equipped with a collision protection device, the device comprises an ultrasonic ranging and speed measuring module, control display module, voice alarm module, A lase fog lamp adjusting module and a buff airbag ejecting module, The ultrasonic ranging and speed measuring module usestwo ultrasonic groups before and after to calculate the relative distance, speed and acceleration information between the vehicle and the front and rear vehicles through the ultrasonic ranging methodof sending square wave and receiving square wave and combining the sound speed compensation of the temperature compensation module. The ultrasonic ranging and speed measuring module is used to calculate the relative distance, speed and acceleration information between the vehicle and the front and rear vehicles. The voice alarm module is used for voice real-time broadcasting; The laser fog lamp adjustment module is used to warn the rear vehicle of the occurrence of dangerous conditions; The cushioning airbag ejection module releases the airbag from the vehicle body when the system calculates and judges that the current driving condition of the vehicle is in a state where a collision can occur at any time, and rapidly inflates the airbag, thereby playing a cushioning role.

The invention discloses a direct contact type flue gas waste heat recovery device. The direct contact type flue gas waste heat recovery device comprises a recovery tower. The recovery tower is provided with a smoke inlet and a smoke outlet for flue gas to flow, and is further provided with a main spraying pipe used for spraying cooling water, and a plurality of spraying nozzles arranged on the main spraying pipe. The main spraying pipe is arranged along the axis of the recovery tower; the spraying nozzles spray cooling water around in a radial mode in the spraying direction, and the connecting line of the flue gas inlet and the flue gas outlet intersects with the spraying direction of the spraying nozzles. By the adoption of the structure, the collision loss of droplets can be reduced, the flue gas resistance can be reduced, the influence of gravitational acceleration can be reduced, the staying time of droplets can be prolonged, the mass and heat transfer capacity can be improved, and thus the flue gas recovery efficiency can be improved.

The invention belongs to the technical field of unmanned aerial vehicles, and provides a multifunctional portable multi-rotor unmanned aerial vehicle. The multifunctional portable multi-rotor unmannedaerial vehicle includes a rack, a foot frame and at least four rotor assemblies. The rack includes an upper center plate and a lower center plate. The upper part of the upper center plate is providedwith a flight control mounting layer, and the flight control mounting layer is internally provided with a control system. A battery mounting layer is arranged between the upper center plate and the lower center plate, and the battery mounting layer is internally provided with a battery. The battery can be positioned and fixed quickly through a partition plate. The lower part of lower center plateis provided with a task load mounting layer. Load equipment and the lower center plate can be quickly connected and disassembled through a fast replacing device. The rotor assemblies are arranged onthe periphery of the rack and are connected with the rack through a fast horizontal folding device. The foot frame is arranged on the periphery of the rack, and the foot frame and the rack are fast connected and disassembled through a wedge-shaped pipe clamp. The multifunctional portable multi-rotor unmanned aerial vehicle is a multi-rotor remote control vehicle which can be folded, multi-layer arranged and is long in endurance, small in size, multifunctional, quick and convenient to assemble and disassemble, safe and modular and is an industrial unmanned aerial vehicle solution for being fastexpanded and being suitable for different operating conditions.

The invention discloses a venturi mixer with a drainage function. The venturi mixer comprises an outer pipeline, an inner pipeline and a fuel gas inlet channel which is vertically arranged on the outer pipeline, wherein a closed circuit chamber is formed between the outer pipeline and the inner pipeline; the inner pipeline comprises a contracting section, a throat section and a flaring section; gas inlets are uniformly formed on one circle along the circumferential direction of the throat section; the gas inlets are formed in an inclined form along the wall of the inner pipeline; the fuel gas inlet channel is arranged as a gradual reducing pipeline. The fuel gas firstly enters into the closed circuit chamber through the fuel gas inlet channel, and then enters into a main runner through a circle of gas inlets uniformly distributed on the throat section, and mixes with air entering from the inlet of the main runner, so that the smooth entering of the fuel gas is ensured while the uniform gas entering along the circumference of the throat section is realized, the buffering and pressure stabilization for the fuel gas are realized, the stable differential pressure between the fuel gas inlet channel and the main runner is formed and the uniform stable running field of the main runner is maintained, and furthermore, the gas inlets are formed in the inclined form on the throat section, so that the fuel gas can form the confluence at a certain degree, the influence on air entering is reduced and the air flow collision loss is reduced.

The invention relates to an automobile suspension system, and a control system and method of the automobile suspension system and belongs to the technical field of automobile suspension. The automobile suspension system comprises a lower swing arm, a shock absorber assembling component, an upper swing arm and a wheel assembling component. According to the automobile suspension system, the equivalent stiffness of suspension springs is adjusted according to signals collected by a sensor, and the manipulation stability and traveling comfort of an automobile are fully combined; the height of an automobile chassis is adjusted appropriately, and the traveling passing ability of the automobile is improved; a rotary type stepping motor of the suspension system further has the effect similar to a force generator in an active suspension system and can provide reacting force counteracting impact of wheels for the suspension system through forward rotation or reverse rotation; and a limiting nut and a piston rod thread constitute a lead screw nut structure, so that the self-locking function is achieved, thus, electric energy is consumed only when the rotary type stepping motor rotate forwardsor reversely, and the energy saving effect of the automobile suspension system is better than that of the active suspension system.

The invention provides an anti-slag-adhering laser pipe cutting machine and a cut pipe collecting method. The anti-slag-adhering laser pipe cutting machine comprises a cutting machine body, a waste slag collecting mechanism, a bottom frame, a pipe conveying mechanism, a material falling buffer mechanism and a material receiving device. The cutting machine body is provided with a portal frame, a cutting head assembly, a front chuck and a rear chuck. The waste slag collecting mechanism is installed on the bottom frame and close to the front chuck. The waste slag collecting mechanism comprises along and thin slag receiving pipe and a telescopic driving mechanism, a slag receiving hole is formed in the side wall of the front portion of the slag receiving pipe, a protective layer is arranged in the slag receiving pipe, and the rear portion of the slag receiving pipe is connected with the telescopic driving mechanism. A material falling slope is arranged on the bottom frame, the material falling slope is located below the slag receiving pipe, the pipe conveying mechanism is located between the material falling slope and the material falling buffer mechanism, and the material falling buffer mechanism is located above the material receiving device. The problems that at present, waste slag splashes during pipe cutting, and machined pipes directly fall onto the bottom face or a materialcollecting trolley and are prone to being damaged are solved.

The invention relates to an autonomous vehicle path planning and path tracking integrated control method and system. The method comprises the steps of acquiring 5 input control variables and 11 systemstate variables of autonomous vehicles at the current moment; constructing a vehicle path planning and tracking integrated state model according to the 5 input control variables and the 11 system state variables at the current moment; respectively enveloping the contours of the two autonomous vehicles by using elliptical enveloping curves, and determining vehicle elliptical enveloping curves of the two autonomous vehicles; determining the distance collision time between the vehicles according to the vehicle elliptical envelope curves and the vehicle driving states; establishing an objective function of a model prediction controller MPC according to the vehicle path planning and tracking integrated state model; and based on the distance collision time, solving the objective function, and determining the input control variables of the MPC at the next moment. Vehicle collision avoidance can be realized, collision damage can be reduced, and autonomous switching between two targets can berealized.

The invention discloses an apple conveying and boxing mechanism. The apple conveying and boxing mechanism are suitable for an orchard picking platform and conveys and boxes apples. The apple conveying and boxing mechanism mainly comprises a box, a fixed conveying frame, a movable conveying frame, an air cylinder, a box rack, a lifting frame, sliding grooves, steel wire ropes, belt pulleys, springs and a base. The apple conveying and boxing mechanism is characterized in that the movable conveying frame conducts cyclic reciprocating swing at a constant speed, apples evenly fall to all the positions on the inner bottom face of the box at a relatively stable speed, conical accumulation is avoided, and it is avoided that the apples roll in the box, collide and are damaged; the springs at a specific elastic coefficient are selected, it is guaranteed that the boxing height variation quantity of the apples is identical with the deformation quantity of the springs in the boxing process, it is ensured that the height difference, between the tail end of a conveyer belt to the inner portion of the box, of the apples is within a reasonable range, the work efficiency is improved, and apple damage caused by mechanical operation is reduced at the same time.

The invention discloses an automobile active type pre-tightening safety belt, and belongs to the technical field of passenger injury protection during automobile collision accidents. The safety belt comprises a direct current motor, a transmission system, a retractor and a weaving belt kit, wherein the direct current motor is connected with the transmission system, and responds to a control signal of an accident pre-tightening device to work, the transmission system is connected with the direct current motor, and the decelerated power of the motor is transmitted to a one-way device and the retractor. The safety belt has the advantages that a weaving belt double-side pre-tightening structure is adopted, so the safety weaving belt can be simultaneously retracted at the shoulder belt part and the waist belt part to reach the double-side pre-tightening purpose, the wearing gap between a shoulder belt and a waist belt is eliminated, the body forward movement amount of a passenger during collision accidents is obviously reduced, and the slippage of the passenger is prevented; by integrating the force limiting and emergency locking functions, the collision injury to the passenger is minimized.

The invention belongs to the technical field of magnetic levitation energy storage equipment, and particularly relates to a magnetic levitation flywheel energy storage device. The magnetic levitationflywheel energy storage device comprises a shell, a flywheel rotor, a magnetic bearing and a stator and a rotor of a motor, an upper protection assembly, a lower protection assembly, and a driver. Theupper protection assembly comprises an upper protection bearing and an upper conical part, and the inner surface of the upper conical part is provided with a cylindrical surface and a conical surface. The lower protection assembly comprises a lower protection bearing and a lower conical part, and the inner surface of the lower conical part is provided with a cylindrical surface and a conical surface. The driver is electrically connected with a power supply structure of the magnetic suspension flywheel energy storage device. When power is off or the flywheel rotor is out of control, the driverdrives the upper conical part to move to a second position, and the conical surfaces at the two ends of a mandrel abut against the conical surfaces of the upper conical part and the lower conical part respectively. Under the condition that power is off or the flywheel rotor is out of control, the driver drives the upper conical part to move from a first position to the second position, and the conical surfaces of the upper conical part and the lower conical part respectively abut against the conical surfaces at the two ends of the mandrel in an attached mode, so that the flywheel rotor is centered again, and off-axis rotation is not generated.