275 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.

An emergency door release device for a vehicle may include a first sensor to detect a collision and provide a collision indication. A door sensor may detect if a door remains closed after the collision and provide a door indication. A receiver may receive a secondary detonation trigger indication from another device. A processor may analyze the indications to determine if they meet time constraints. A detonator may cause detonation of an explosive to separate the door from the vehicle body if the constraints are met. The device may include additional sensors to detect unsafe conditions. A method and system for releasing a vehicle door using similar components and steps may also be provided.

The invention discloses a BIM-based electromechanical pipeline installation method and device, a medium and a product, and the method comprises the steps that a BIM model is created, and the BIM model comprises a target building structure and electromechanical pipelines arranged in the target building structure; performing collision detection on the BIM model, and if a collision detection result represents that collision exists, performing layout adjustment on electromechanical pipelines in the BIM model until the collision detection result represents that no collision exists; after the collision detection result shows that no collision exists, electromechanical pipelines in a target building area in the BIM model are split; and each section of pipe fitting obtained through splitting is coded, and the code of each section of pipe fitting comprises the specification, the length, the connection mode, the installation position and the unique identity label, so that a prefabrication processing factory produces real pipe fittings according to the specification, the length and the connection mode in the code of each section of pipe fitting and marks the code on the produced pipe fittings. According to the invention, more efficient, high-precision and low-cost electromechanical pipeline installation is realized.

The invention relates to the technical field of automobile testing, in particular to an automobile door lock safety performance testing device for an automobile crash test, which comprises a bottom frame and a sliding block, and further comprises a supporting column, an automobile door mounting assembly, a limiting frame, an air bag assembly, an impact assembly, an electromagnetic accelerator and an inductive switch, the vehicle door mounting assemblies are slidably mounted on the inner sides of the supporting columns, the two limiting frames are symmetrically mounted on the two sides of the bottom frame, the air bag assemblies are mounted on the surfaces of the limiting frames, and the ends of the air bag assemblies extend to the two vehicle door mounting assemblies close to the sides of the limiting frames correspondingly. According to the invention, through a mode of correspondingly adjusting the pressure intensity of the corresponding position in the air bag assembly in the automobile collision test process, the problems that the parts of the test device for installing the hinge and the door knob buckle are easy to deform due to impact and the subsequent test operation is influenced are solved; and the problem that single collision data cannot be accurately acquired due to secondary collision between the impact structure and the vehicle door after collision is solved.

The utility model provides a front anti-collision beam assembly and a vehicle, and belongs to the technical field of automobile body parts, the front anti-collision beam assembly comprises an anti-collision beam body and a reinforcer, the anti-collision beam body comprises a main anti-collision area and side anti-collision areas respectively located at two ends of the main anti-collision area along the left-right direction, the side anti-collision area comprises a transition part and an extension part which are sequentially connected, the transition part is connected to the main anti-collision area, the main anti-collision area and the extension part are linear components, and the transition part is an arc-shaped component bent backwards; the reinforcing parts are connected to the side anti-collision areas, so that the main anti-collision area forms a weak collision area. The utility model provides a front anti-collision beam assembly and a vehicle and aims to solve the problem that in the prior art, after the left side or the right side of an anti-collision beam body is collided by external force, the anti-collision beam body is prone to deformation or displacement backwards, and therefore the safety of people in the vehicle is affected.

The present invention relates to a method and system for analyzing and visualizing traffic accident data for autonomous vehicles. The method comprises: collecting raw data related to vehicle traffic accidents and standardizing and integrating the raw data; cleaning and verifying the standardized and integrated data, time-calibrating, and synchronizing the data to obtain processed data; obtaining the collision time point based on the speed and path of the accident vehicle; analyzing the driving mode at the time of collision, the vehicle steering before the collision, the vehicle pedals before the collision, the vehicle accessories before the collision, the vehicle fault before the collision, the traffic signals and road markings before the collision, and the vehicle status after the collision based on the processed data and the collision time point to obtain key time points; and visually displaying the analysis results based on the processed data and the key time points. The present invention can achieve key time point marking and automatically generate and save scientific and standardized accident analysis reports.

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.

An electric automobile bumper relates to the technical field of electric automobile accessories and comprises an anti-collision beam, a buffer device and a locking mechanism. The anti-collision beam is connected with an automobile longitudinal beam through a buffering device, and the buffering device is composed of a buffering oil cylinder, a buffering piston rod and a first buffering spring. The buffering piston rod slides in the oil cylinder, divides the oil cylinder into an upper cavity and a lower cavity and is provided with a one-way oil through hole and a reset oil through hole. The locking mechanism comprises an oil hole switch assembly and a delay unlocking assembly. When collision occurs, the oil hole switch assembly closes the reset oil through hole, oil liquid backflow and rapid springback of the buffer piston rod are prevented, it is ensured that the anti-collision beam is kept at the position after collision, and secondary damage to pedestrians is avoided. After collision is finished, the delayed unlocking assembly automatically opens the reset oil through hole after a period of time, the oil cylinder is made to return to the normal state, manual reset is not needed, operation is convenient and fast, and the anti-collision beam can continuously cope with possible follow-up collision and play a buffering role.

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.

The utility model discloses a front cleaning frame with an anti-collision function, which comprises an anti-collision component, a cleaning component and a cleaning component, the anti-collision component comprises an anti-collision plate, an anti-collision housing is arranged on the outer side of the anti-collision plate, and a water retaining brush is arranged on the lower side of the anti-collision housing; the reset assembly is connected with the anti-collision assembly and used for resetting; the mounting plate is used for connecting the reset assembly with the cleaning vehicle; and the detection device is used for detecting collision and feeding back a signal. The front cleaning frame device has the advantages that the cleaning frame deviates after being collided and automatically resets after crossing obstacles, meanwhile, signals can be fed back after collision, damage to the front cleaning frame device and a nozzle is reduced, water mist is restrained, and the view blind area of a driver is reduced.

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 invention relates to the field of vehicle intelligent control, in particular to a vehicle control method and device and a vehicle. Compared with a traditional mode depending on visual perception and a machine learning model, the driving state of the driver and the vehicle driving risk data are detected at the same time, the misjudgment limitation of single perception is avoided, for example, potential risks can be judged in an auxiliary mode through abnormal states such as distraction and fatigue of the driver. Secondly, whether active safety intervention is triggered or not can be determined by analyzing driving risk data in real time, the passive situation that a traditional algorithm focuses on protection after collision is changed, and real-time monitoring of danger in the driving process is achieved. The target intervention strategy is matched according to the driving state and the driving risk data, corresponding safety operation is executed, a complete closed loop from detection and analysis to active intervention is formed, the risk is actively reduced before an accident occurs, and the defect that the traditional technology lacks an active prevention mechanism is overcome.

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.

Method for operating a driverless ego vehicle (Ego), where in the ego vehicle (Ego), a situation analysis is carried out to detect an overtaking maneuver performed by a second vehicle (F2), in which the second vehicle (F2) is likely to no longer be able to avoid a collision with the ego vehicle (Ego) and / or with a third vehicle (F3), wherein upon detection of this overtaking maneuver performed by the second vehicle (F2), depending on whether it was detected during the situation analysis that at least one of the vehicles (Ego, F2, F3) likely to collide with each other is manned, a strategy for avoiding or mitigating the consequences of a collision is determined in the ego vehicle (Ego), wherein for determining the strategy for avoiding or mitigating the consequences of a collision, an estimation of costs of the consequences of a collision is carried out, wherein as a strategy for avoiding or mitigating the consequences of a collision - an avoidance trajectory (AT) is determined if the estimated costs exceed a specified threshold, - it is determined that the ego vehicle (Ego) decelerates to a maximum if the estimated costs do not exceed a predetermined threshold or if no avoidance trajectory (AT) can be determined, where the strategy for avoiding or mitigating the consequences of a collision is to ensure that the ego vehicle (Ego) evades to a lane edge area (FB), - if the second vehicle (F2) is approaching the ego vehicle (Ego) in the lane of the ego vehicle (Ego) and is manned, the ego vehicle (Ego) is unmanned and there are no persons (P) on the roadside area (FB), or - if the second vehicle (F2) is approaching the ego vehicle (Ego) in the lane of the ego vehicle (Ego), the road edge area (FB) is passable and there are no persons (P) on the road edge area (FB) or - if the second vehicle (F2) overtakes the ego vehicle (Ego), the second vehicle (F2) and / or the third vehicle (F3) is manned, the ego vehicle (Ego) is unmanned and there are no persons (P) on the roadside area (FB), or - when the second vehicle (F2) overtakes the ego vehicle (Ego), the road edge area (FB) is passable and there are no persons (P) on the road edge area (FB).

The invention provides a control method and device, electronic equipment and an automatic driving vehicle, and relates to the technical field of computers, in particular to the technical field of automatic driving. According to the specific implementation scheme, under the condition that a collision event of a target object is detected, the collision stage to which the collision event belongs is determined; based on the collision stage, performing post-collision control on the target object; wherein the control after collision comprises brake control after collision and / or steering control after collision. The method and the device can adapt to complex and changeable actual collision scenes, so that life and property loss of passengers caused by collision events is effectively reduced, and the overall safety of the passengers is improved.

The invention provides an anti-collision control method and device for a bearing grinding machine. The method comprises the following steps that the radial real-time position of a grinding wheel of the bearing grinding machine in the radial direction of a workpiece shaft of the bearing grinding machine is obtained; and when the obtained radial real-time position is located in a preset circular ring range with the radial circular ring width d on the radial inner side or the radial outer side of the ferrule located on the workpiece shaft, the radial feeding speed of the grinding wheel is controlled to be reduced to the set speed Vn in the range. According to the anti-collision system, collision between the grinding wheel and the ferrule due to the fact that the radial feeding speed of the grinding wheel is too high can be effectively prevented, the safety of a machine tool in the running process is improved, the grinding machining efficiency is improved, and compared with a good treatment mode after collision of an anti-collision system in the prior art, the anti-collision system has the advantages that the machining efficiency is improved. The control method is preventive control, and the anti-collision effect is better.

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 relates to the technical field of wheeled robots, and discloses a wheeled robot with a damping function, the wheeled robot comprises a wheeled robot body, a protection mechanism and a damping mechanism, the protection mechanism comprises a plurality of storage grooves and a plurality of mounting blocks, and the two sides of the inner wall of each storage groove are fixedly connected with fixing rods. According to the wheeled robot, when the wheeled robot is used and encounters an obstacle, the moving wheels are subjected to acting force to drive the mounting frame and the sliding rod at the upper end to move, the sliding rod moves to drive the second sliding sleeves on the two sides and the second reset springs to conduct compression, and the damping rods and the damping springs are matched for compression; the energy generated by collision can be effectively absorbed through the reset springs and the damping springs, the damage of impact force to the robot is reduced, the damping rods are matched, vibration in movement can be relieved, vibration generated when the robot moves or collides is reduced, and the robot can be recovered more stably in an uneven area or after collision.

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).