198 results about "Post collision" patented technology

The invention relates to a collision detection method and device for a walking motor of a mowing robot. The method comprises the steps of collecting a current value, a speed value and a slope inclination angle of the walking motor of the mowing robot; calculating a current change rate Ax and a speed change quantity Vx; judging whether collision occurs or not; and when the collision is judged to occur, executing a recovery process to restart mowing. The device comprises an acquisition module, a calculation module, a judgment module and an execution module. The invention further relates to electronic equipment and a storage medium. By utilizing the collision detection method and device for the walking motor of the mowing robot, the electronic equipment and the storage medium, the problem that the walking control of the traditional mowing robot usually depends on detecting the current change of the walking motor or a Hall sensor to judge whether slipping or collision occurs or not can be solved; in the prior art, the attitude of the mower or the actual collision force cannot be accurately obtained, frequent shutdown caused by collision is easily misjudged, the operation is interrupted, and the work is difficult to complete; and excessive impact forces damage the lawn or the machine itself.

The invention discloses an emergency rescue method and related equipment after a vehicle collision based on a mobile terminal, and relates to the technical field of automobile electronic technologies, and the method comprises the steps: determining a target feature value of a vehicle collision event based on real-time monitoring data of the mobile terminal in a vehicle; wherein the target characteristic value is used for representing the severity of the vehicle collision event; and executing a corresponding rescue action based on a preset level interval in which the target feature value is located. According to the method, whether the vehicle has the collision accident or not is detected and the accident collision level is determined only by using the data collected by the mobile terminal, so that corresponding rescue strategies are intelligently implemented based on different accident collision levels, and finally, the safety of a vehicle owner and passengers is protected, and the vehicle owner and the passengers are prompted and rescued in time.

The present application relates to the technical field of in-vehicle emergency rescue, and specifically provides an accident injury severity classification method, an electronic device, a driving device, and a storage medium, aiming to solve the technical problem that actual injury severities of occupants cannot be determined in time when a collision occurs in a driving device. For this purpose, the method of the present application comprises: in response to a collision occurring in a driving device, acquiring traveling data of the driving device; inputting the traveling data into a safety belt analysis model to obtain a safety belt analysis result; acquiring accident injury severity classification characteristics on the basis of the traveling data; and inputting the safety belt analysis result and the accident injury severity classification characteristics into an injury severity classification model to obtain a predicted injury severity classification result. By means of the method, when an accident occurs, safety belt wearing conditions of occupants can be analyzed in time, and the injury severity of each occupant is accurately predicted on the basis of the safety belt analysis result and the traveling data, thereby obtaining a predicted injury severity classification result.

The invention discloses a dual-redundancy system and method for automatic unlocking after vehicle collision, the dual-redundancy system comprises a safety air bag module, a plurality of area controllers and a plurality of door relay modules, and the safety air bag module is electrically connected with the area controllers and the door relay modules; the safety air bag module is arranged in the vehicle body and used for monitoring vehicle collision information and transmitting the collision information to the area controller and the door relay module. The door relay module and the area controller are both arranged on the vehicle door, the door relay module is used for driving the vehicle door on the same side as the door relay module to execute unlocking after receiving the collision information, and the area controller is used for driving the vehicle door on the opposite side of the area controller to execute unlocking after preset time is delayed after receiving the collision information; wherein the door relay module and the area controller work independently to form a dual-redundancy control structure. Through control of the dual-redundancy system, the problem that the vehicle cannot be unlocked automatically due to vehicle collision caused by damage or power failure of a control module in a collision area is effectively solved.

A system and method for assessing a vehicle's electronic system after a crash includes a vehicle diagnostic computer tool configured to be operatively connected with an electronic system of a vehicle to obtain scan data from the electronic system of the vehicle using a diagnostic scanning program and to obtain collision data from an event data recorder of the vehicle using a collision data recorder program. The collision data and scan data are reported together, such as in a report generated by the vehicle diagnostic computer tool, for evaluating whether vehicle systems requiring repair based on the scan data are attributable to a particular collision event based on the collision data.

The present application provides a collision prompting method, which is suitable for a mobile device. The mobile device comprises an acceleration sensor, a sound sensor and a display screen. First, according to the acceleration data, it is determined whether the mobile device is in a falling state. After confirming that the mobile device is in the falling state, the ambient sound data is collected. Then, according to the acceleration data, it is determined whether the mobile device has a collision. After confirming that the mobile device has a collision, a preset time is calculated, and after the preset time, the collection of the ambient sound data is stopped. Next, according to the acceleration data and the collected ambient sound data, the severity of the collision of the mobile device is determined. Then, according to the severity of the collision, a prompt signal is generated. The present application also provides a collision prompting device.

A method for controlling an actuatable safety device for protecting an occupant of a vehicle includes utilizing an advanced driver assistance system (ADAS) to determine that a vehicle collision is impending. In response to determining the existence of an impending vehicle collision, a mass spring damper model uses sensed vehicle longitudinal acceleration (IMU_X) to estimate the occupant movement that will result from the impending vehicle collision. The estimated occupant movement is used to determine how to control deployment of an actuatable safety device in response to the crash.

An embodiment of the present disclosure discloses an autonomous operation device, including: a vehicle body, a moving mechanism connected to the vehicle body, a control module, and a collision plate assembly, where the collision plate assembly includes: a middle collision plate and a pair of end collision plates hinged to the middle collision plate; one end collision plate, the middle collision plate, and the other end collision plate are connected sequentially in an extension direction of the middle collision plate; the middle collision plate and the pair of end collision plates cooperatively cover at least one end of the vehicle body; each end collision plate is movably connected to the vehicle body; a first inductive piece is provided on each end collision plate; a second inductive piece inductively cooperating with the first inductive piece is provided on the vehicle body; after the middle collision plate is collided, the collision plate assembly moves towards the vehicle body; and when the end collision plate rotates or moves along with the middle collision plate, the first inductive piece on the end collision plate inductively cooperates with a corresponding second inductive piece, and sends a signal to the control module. An embodiment of the present disclosure further discloses a control method for the autonomous operation device.

The present application relates to the technical field of engineering construction simulation, in particular to a power transmission and transformation engineering construction simulation method based on digital twinning. When a misoperation occurs in the disassembly process, the simulation system can calculate the virtual construction stress change in real time and judge whether a falling collision abnormal situation is likely to occur. When a collision occurs, the collision impulse is calculated based on the relative speed, the rebound behavior of the virtual construction after the collision is controlled in combination with the rebound coefficient, and the tangential motion is simulated by using the friction force to ensure the reasonable motion trajectory of the virtual construction equipment on the virtual ground. The immersive interactive scene and the future time pre-response mechanism enable the user to experience the possible construction risks in the virtual environment in advance, warn of possible dangerous operations in advance, and provide optimization suggestions, so that the construction personnel can identify before actual operation, improve the decision-making ability and avoid risks in a timely manner.

The invention discloses a motorcycle collision pile rod detection device which comprises a magnet which is arranged under the ground of an examination room and embedded in the ground. The stake rod assembly is arranged over the magnet, a distance exists between the stake rod assembly and the magnet, the stake rod assembly is installed in an examination room and used for generating the posture variation after the stake rod assembly collides with the motorcycle and detecting the posture variation, and the magnet is used for recovering the posture of the stake rod assembly through magnetic field attraction. During an examination, a student controls a motor vehicle, after the stake rod is collided, the stake rod assembly is subjected to the effect of the magnet, and the stake rod assembly can be automatically restored to the initial position, so that the workload of invigilators is reduced, and the examination efficiency is improved. And automatic detection of pile rod collision in a pile examination project can be realized without manual participation. The invention further discloses a detection method based on the device for detecting the collision between the motorcycle and the pile rod.

The utility model belongs to the technical field of warning columns, and particularly relates to an anti-collision buffering type warning column which comprises a base, a column body and an elastic column. A connecting cylinder is axially mounted on the base, the cylinder is coaxially arranged above the connecting cylinder, and a spring is arranged between the cylinder and the connecting cylinder; the two ends of the elastic column extend into the connecting cylinder and the column body correspondingly and are connected through a connecting piece, and the surface of the elastic column is coaxially sleeved with the spring. According to the structure, through the design that the two ends of the elastic column are connected with the column body and the connecting cylinder, the structural stability of the spring installation position is effectively improved, the warning column is assisted to be quickly reset after being collided, meanwhile, external damage can be avoided through the built-in arrangement of the elastic column, and the service life of the warning column is prolonged.

The utility model discloses a traffic transportation facility anti-collision device, which belongs to the technical field of traffic facilities and comprises a mounting frame, a buffer pad is arranged on one side outside the mounting frame, a first buffer spring piece is fixed on the inner side wall of the buffer pad, and a buffer plate is fixed at one end, far away from the buffer pad, of the first buffer spring piece; an anti-rolling mechanism is arranged on a traditional traffic anti-collision device, primary collision buffering protection is achieved through a first buffering spring piece and a second buffering spring piece, when the second buffering spring piece is subjected to out-of-limit collision, a guide rod is pushed outwards by the maximum stroke along a fixing plate, a lock rod is pushed away from a lock handle, and the anti-rolling mechanism is used for preventing collision. The protection rod is rotated by means of the elastic deformation effect of the volute spring until the first clamping trip shaft is blocked by the second clamping trip shaft and stops in the vertical state, the purpose of increasing the protection height above the mounting frame is achieved, anti-rolling protection is effectively conducted on a vehicle, and the protection effect of anti-collision facilities is improved.

The utility model belongs to the technical field of logistics conveying lines, and particularly discloses a plastic turnover basket detection mechanism which comprises a fixing frame used for fixing the detection mechanism on equipment; the trigger hammer is rotationally connected with the fixing frame; and the detection piece is fixed on the fixed frame, so that when the trigger hammer is collided, the trigger hammer rotates relative to the fixed frame so as to be detected by the detection piece, and after the collision is finished, the trigger hammer automatically resets, and the detection piece loses the detection target. The detection failure rate of the turnover baskets on the conveying line is reduced, the efficiency of the conveying line body is improved, an original photoelectric switch is replaced by the detection piece, the problems existing in previous photoelectric detection can be avoided, the number of times of manual fault processing is reduced, and the manual labor intensity is reduced.

The invention discloses a safe and intelligent driving method and device for improving convenience of leaving a vehicle after collision, and relates to the technical field of intelligent driving. The method comprises the following steps: acquiring a signal of a vehicle safety system; judging whether the vehicle is in a collision state or not based on the acquired signal of the vehicle safety system; if the vehicle is in the collision state and the duration of the collision state does not exceed a set time threshold value, controlling a vehicle window, a hidden door handle and a skylight to enter an easy-to-escape state; if the vehicle collision state is a collision confirmation state and the seat safety belt state is fastened, the vehicle door is controlled to enter an unlocking state; otherwise, controlling the car window, the hidden door handle, the skylight and the car door to be in a normal state; and if the vehicle is in the collision confirmation state, activating the emergency call system. Therefore, an escape channel can be more intelligently and comprehensively created for the passengers after collision, both rapid escape and passenger restraint are taken into account, external rescue is facilitated, and the problem of escape and rescue blind areas existing in the related technology is solved.

The invention relates to a particle collision device (10) for detecting an electrical charge after a collision of a particle (12) with a collision partner (14), with an acoustic particle holding device (16), a particle preparation device (32) for changing at least one particle property of the particle (12), a collision partner (14) and a charge detector (28) which is configured to detect an electrical charge of the particle (12) and / or the collision partner (14) after a collision of particle (12) and collision partner (14).

The application provides a radar control method and device, a vehicle and a computer readable storage medium, and relates to the technical field of vehicles.The method comprises the following steps: in the case that it is determined that a vehicle has collided, the collision position of the vehicle is determined; a target radar is determined according to the collision position and the layout of the radar carried by the vehicle; and the target radar is turned off.The application can avoid the laser beams emitted by the target radar from damaging the eyes of a user by turning off the target radar located at the collision position after the vehicle has collided.

The invention discloses an obstacle avoidance control method for self-moving equipment, the self-moving equipment and a readable storage medium. The method comprises the following steps: determining a collision direction of the self-moving equipment and an obstacle on a planned path through a collision strip arranged on the self-moving equipment; determining a preset obstacle avoidance strategy of the self-moving equipment according to the collision direction, controlling the self-moving equipment to execute obstacle avoidance processing according to the preset obstacle avoidance strategy, and determining whether the self-moving equipment is in an abnormal state or not; and when it is determined that the self-moving device has the abnormal state, controlling the self-moving device to execute exception processing according to a preset exception processing strategy and then complete obstacle avoidance processing. After the self-moving equipment collides with the obstacle, the completeness of cleaning of the working area can be guaranteed through automatic operation, and the completeness of cleaning of the working area can be further guaranteed by detecting abnormal conditions.

The invention generally relates to the technical field of outdoor high-altitude construction suspension equipment, and particularly discloses an anti-collision safety device for a high-altitude hanging basket and high-altitude operation equipment, the anti-collision safety device comprises a shell, an adsorption mechanism and a control mechanism, a containing cavity is formed in the shell, and the shell is provided with a wall leaning face facing a building wall; the adsorption mechanism comprises a vacuum tank and an adsorption part, adsorption holes are formed in the adsorption surface, and the vacuum tank is communicated with the adsorption holes through pipelines; the control mechanism comprises a controller, an on-off piece and a detection piece. The on-off piece and the detection piece are electrically connected with the controller. And the adsorption part is adsorbed to a building wall surface through negative pressure adsorption force generated in the adsorption holes, so that the stability of the high-altitude hanging basket is guaranteed. Passive defense after the high-altitude hanging basket collides with the building is achieved under the extreme weather condition, continuous collision between the high-altitude hanging basket and the wall face of the building is effectively avoided, enough emergency protection time is provided for operators, the safety of the operators in the high-altitude hanging basket is improved, collision loss is reduced, and the operation risk is reduced.

The present invention provides a parking method, system, medium, and electronic device based on micro-collision detection. The method comprises: when a target vehicle is in automatic parking mode and a collision is detected, obtaining collision information and detecting the current motion trajectory, and obtaining a motion planning path corresponding to the motion trajectory; determining the parking safety state of the target vehicle based on the collision information, motion trajectory, and motion planning path; executing a collision parking safety strategy when the parking safety state meets a preset secondary collision condition; and executing a parking strategy when the parking safety state does not meet the preset secondary collision condition. The present invention solves the problem in the prior art of secondary collision damage to pedestrians or other obstacles caused by missed detection by the perception module or limitations of the perception algorithm, thereby improving parking safety and reliability.

The utility model belongs to the technical field of circuit board protection, and particularly relates to a circuit board protection device for civil engineering electrical installation, which comprises a frame body, two sliding grooves are arranged on the outer side wall of the frame body, a protection cover is arranged above the frame body, and the left side wall and the right side wall of the protection cover are both in sliding connection with the inner side walls of the sliding grooves. The top of the frame body is fixedly connected with a buffer pad, the protective cover is provided with a sliding opening, a telescopic rod is slidably connected in the sliding opening, the top of the protective cover is fixedly connected with a fixing sleeve located above the sliding opening, and an insulating pressing plate is arranged below the protective cover. When collision occurs, the frame body and the protective cover can resist a part of impact, the buffer pad can effectively relieve the impact below the circuit board, the circuit board is contacted with the insulating pressing plate when being impacted to move, the spring is contracted at the moment, and the impact force is counteracted through the rebound force of the spring.

The invention relates to a vehicle control system and a vehicle. A vehicle control system includes: a door lock mechanism; the collision pre-detection unit is used for acquiring vehicle driving state data and obstacle position data; the intelligent driving controller is used for generating a first unlocking control instruction when it is determined that a collision risk exists based on the vehicle driving state data and the obstacle position data; and the domain controller is used for controlling the door lock mechanism to unlock when receiving the first unlocking control instruction. The intelligent driving controller can actively generate a first unlocking control instruction before actual collision based on real-time data of the collision pre-detection unit, controls the door lock mechanism to be unlocked through the domain controller, and forms a redundancy mechanism with unlocking after collision of the collision controller, so that the safety of collision is improved. And the risk of abnormal unlocking of the vehicle door when a single trigger source has the problems of signal interference, wire harness disconnection and the like in a control loop is avoided. Therefore, the reliability of vehicle door unlocking in the collision accident process can be effectively improved, and then the riding safety is improved.

The present invention relates to the field of automobile testing technology, and specifically to a vehicle door lock safety performance testing device for automobile collision tests, comprising a chassis, a slider, a pillar, a door mounting assembly, a limit frame, an airbag assembly, an impact assembly, an electromagnetic accelerator, and an induction switch. The pillars are correspondingly mounted on the top of the slider, the door mounting assembly is slidably mounted on the inner side of the pillars, two limit frames are symmetrically mounted on either side of the chassis, the airbag assembly is mounted on the surface of the limit frame, and the ends of the airbag assembly extend to two door mounting assemblies adjacent to one side of the limit frame. The present invention solves the problem that the hinges and door nose buckle parts of the test device are easily deformed due to impact, thereby affecting the subsequent testing operations, and that the impact structure collides with the vehicle door and causes a secondary collision, making it impossible to accurately collect single collision data. By adjusting the pressure at corresponding positions within the airbag assembly during the automobile collision test, the present invention solves the problem that the hinges and door nose buckle parts of the test device are easily deformed due to impact, thereby affecting the subsequent testing operations, and that the impact structure collides with the vehicle door and causes a secondary collision, thereby preventing the accurate collection of single collision data.

The invention provides a steel bar collision checking and automatic deviation rectifying method based on a three-dimensional graphic platform, and relates to the technical field of constructional engineering, the method comprises the following steps: obtaining a target position of a reserved truss steel bar in a lower prefabricated slab of a prefabricated composite floor slab and an initial arrangement scheme of a bidirectional steel bar in an upper cast-in-place layer; setting the target position to avoid hard constraint, performing reinforcement collision detection on the two-way reinforcement in the initial arrangement scheme and the reserved truss reinforcement through a constraint model, and extracting position information of the two-way reinforcement related to the collision after the collision is detected; generating a path avoiding scheme according to the position information; iterating the avoidance path scheme through a constraint model to generate a target avoidance path meeting a constraint condition; and according to the target avoiding path, the initial arrangement scheme is adjusted, and a target arrangement scheme of the two-way steel bars in the upper cast-in-place layer of the prefabricated composite floor slab is generated. The technical effect of the invention is that misjudgment of collision detection is reduced.

The invention relates to the technical field of battery protection, in particular to a new energy automobile battery protection bin which comprises an upper cover, a lower cover, a battery pack, a collision detection assembly, a trigger assembly and a gas cylinder, when an automobile electronic control BMS system fails after an automobile collides, a collision detection device will provide a collision signal, the trigger assembly is driven, a trigger gas channel is opened, and the battery pack is protected; the high-pressure cooling gas in the gas cylinder is discharged into the battery compartment, so that the high-pressure cooling gas in the gas cylinder cools the battery pack in the battery compartment after the vehicle is impacted, and the problems that after the vehicle is impacted, a battery compartment cooling system fails, the battery is prone to spontaneous combustion and spontaneous explosion, and secondary injury is caused to personnel are avoided; the temperature of the battery in the battery compartment is maintained in a safe range, and the stability of the battery and the safety of passengers are ensured.

The invention provides a method and device for predicting battery thermal runaway caused by collision, and relates to the technical field of battery thermal runaway prediction. According to the method, when a vehicle collides, internal strain and temperature data of a battery and external voltage, current and other multi-mode sensing data are obtained; determining a thermal runaway comprehensive risk probability and a dynamic early warning threshold value through a space-time fusion prediction model; for a scene with the risk in a medium state, calling a block chain historical case to calculate a collaborative risk probability and completing probability fusion; and when the comprehensive risk probability or the target risk probability is higher than a threshold value, determining an early warning level and chaining the evidence packet for evidence storage, and triggering an execution end for early warning by the block chain smart contract. The early-stage accurate pre-judgment of the thermal runaway of the battery after collision is realized, the false alarm and missing alarm rate is reduced, and the early-warning and response capability of the battery collision safety is improved.

The utility model discloses a passive clearance detection device for rail transit vehicles, which is characterized in that a collision displacement module is mounted on a to-be-tested vehicle, elastic displacement is generated under stress after the collision displacement module is in contact with or collides with line over-limit equipment, and an over-limit detection module is connected with the collision displacement module through a connecting rod structure. When the collision displacement module is in contact with the line over-limit equipment and an over-limit event is generated, a displacement signal is generated through the action of the connecting rod structure and is converted into an electric signal; the signal receiving and processing module receives electric signals, reads position information of a to-be-tested vehicle and records an over-limit occurrence position, the collision displacement module can adopt a threaded installation structure and a soft material, the over-limit device and the soft material are not damaged during collision of the over-limit device, the soft material is replaceable, adjustable in size and customizable, the structure is simple, and the cost is low. Miniaturized design can be adopted, the cost is low, dynamic limit detection can be carried out by a direct method, the test precision is high, repeated utilization can be realized, and an over-limit position can be quickly positioned.

The utility model relates to the technical field of steering gear shells, in particular to a steering gear shell pressing block hole structure for optimizing collision of a battery box, which comprises a shell pressing block hole body, an inclined plane platform, lightening holes, reinforcing ribs and a flat surface rib, the flat surface rib is arranged on one side of the shell pressing block hole body, the inclined plane platform is arranged on the upper half portion of the outer side of the flat surface rib, and the lightening holes are arranged on the inclined plane platform. Lightening holes are formed in the left surface of the slope platform, and reinforcing ribs are arranged on the right bottom face of the slope platform. Compared with the prior art, the inclined plane platform is additionally arranged on the pressing block hole of the shell, so that the collision contact area of the battery box and a steering engine is increased, the contact stress is reduced in the collision process of the battery box, the problem of fire caused by collision is effectively solved, and the requirement that the whole vehicle development meets the collision regulations is met; meanwhile, through the design of the lightening holes, hot spots of the inclined plane platform are reduced, and the phenomenon of hole shrinkage is reduced; and through the arrangement of the reinforcing ribs, the strength of the shell pressing block structure is integrally improved, and the steering engine is prevented from being damaged after collision.

A travel control apparatus for a vehicle includes a surrounding environment recognition device, a collision time calculator, a collision object estimator, and an after-collision travel range estimator. The surrounding environment recognition device includes a recognizer configured to recognize a surrounding environment of the vehicle, and a collision object recognizer configured to recognize an object that has a possibility to come into collision with the vehicle in the recognized surrounding environment. The collision time calculator is configured to calculate a predicted time to the collision between the vehicle and the object. The collision object estimator is configured to, based on the predicted time to the collision, estimate a travel route of the object and a collision position on the vehicle where the object collides with the vehicle. The after-collision travel range estimator is configured to estimate a travel range of the vehicle after the collision based on the estimated collision position.