78results about How to "Reduce the risk of collision" patented technology

The invention relates to an apparatus and a method detecting an obstacle and alerting collision. Based on an identification value of a vehicle position, a sensing value of the obstacle and image data from a camera, the apparatus, after detecting the obstacle, detects the short-distance and long-distance obstacle movement in real time accurately and notifies the driver of the detection result by using a machine learning method. According to the invention, based on principal component analysis and obstacle image characteristic value, the performance of obstacle detection is improved greatly, the obstacle can be detected automatically, movement of the obstacle can be detected and the driver can be notified through alarm, so the driver needs not to operate the vehicle additionally and convenience is provided; feature factors of data are extracted and are classified through machine learning algorithm, so that the complexity is reduced; and, based on the sensor and the obstacle image information, different obstacles can be detected accurately through lighting or posture and an alarm can be given, so that the danger of collision between the vehicle and the moving obstacle can be reduced and the errors in the prior art can be reduced greatly.

The invention discloses an aircraft automatic landing control method based on direct force control. The method comprises the steps that 1, a nonlinear model of an aircraft is trimmed and linearized, and a transverse channel and a longitudinal channel are decoupled; 2, a glide angle is determined, and an aircraft guidance law of the transverse channel and the longitudinal channel is designed, wherein the aircraft landing process of the longitudinal channel is divided into three sections, namely a level flight section, a transition section and a guide section; 3, a longitudinal control law and atransverse control law are respectively designed, wherein the longitudinal control law design comprises the design of an elevator channel, an accelerator channel and a flap channel and the moment decoupling of direct force control on the elevator; the transverse control law design comprises the design of an aileron channel and a rudder channel. According to the invention, aircraft landing controlcan be carried out under the condition of deck movement, so that the aircraft can safely land according to a preset flight path.

The invention relates to a vehicle camera system for providing a continuous image of the vehicle surroundings by means of at least one camera which is designed to produce images of the vehicle surroundings. The claimed vehicle camera system comprises at least one local image processing unit, which is associated with the at least one camera and designed to carry out a non-linear transformation of at least one image of the vehicle surroundings, captured by the camera, in at least one partial image which corresponds to a predefined image section of image of the vehicle surroundings. Said claimed vehicle camera system also comprises a central image processing unit which is designed to take over the partial image generated by the at least one local image processing unit by means of the non-linear transformation and to insert it into an image of the vehicle surroundings for producing a continuous overall image of at least one area.

The invention provides a general assembly line for motor assembly. The general assembly line comprises a track, wherein a carrying flat wagon is arranged on the track; a plurality of stator outlet box mounting tables, at least one collector ring hot jacket table, at least one rotor air duct assembly table, a plurality of assembling and calibration small shaft tables, a plurality of cooler assembly tables and a plurality of motor warehousing tables are arranged on the two sides of the track in the track direction in sequence; a pneumatic suspension crane is arranged above the stator outlet box assembly tables; a rotor assembly machine is arranged beside the stator outlet box mounting tables; a collector ring heating roaster and a pneumatic suspension crane are arranged beside the collector ring hot sleeve table; and a track gantry tower crane is arranged above the cooler mounting tables. According to the general assembly line, a motor is carried through the carrying flat wagon and a turnover flat wagon, so that the potential knocking hazard is reduced, the time of waiting the crane during motor assembly is shortened, a production mode that fixed persons are allocated on fixed duties is conveniently adopted, the motor assembly quality is reliable, and the production efficiency is greatly increased.

The invention discloses an anti-collision early warning device based on active safety of a vehicle. The device comprises a distance measuring device, a corner sensor, a controller and a reminding device, wherein the distance measuring device is arranged on the front part of the vehicle and is used for monitoring a distance between the vehicle body and the front vehicle in real time; the corner sensor is connected with a rotating shaft part of a steering column of a steering wheel through a belt and is used for monitoring the corner information of the steering wheel; the controller is connected with the distance measuring device and the corner sensor and is used for receiving the distance information and the corner information of the steering wheel and judging the risk of the vehicle state; the reminding device is connected with the controller and is used for reminding the driver of danger. The invention also discloses an anti-collision early warning method based on the active safety of the vehicle.

The invention relates to an offshore loading, unloading and mooring system for liquid bulk carriers as well as a mooring method, and the invention is characterized in that the mooring system consists of three sets of mooring device; the mooring device is formed by using connecting components to connect a buoy, a suspension bullback-weight, a chassis bullbacke weight and a anchoring base one by one; when in mooring, each set of mooring device connects the buoy and a carrier together by connecting components, wherein, two sets of mooring device are connected with the head of the liquid bulk carrier; another set of the mooring device is connected with the stern of the liquid bulk carrier; the three sets of mooring device are in Y-shaped arrangement; the mooring system can anchor the liquid bulk carrier in an off-shore sea area to load or unload materials; compared with the prior art, the invention has the advantages of small occupation sea area, low investment, short construction cycle, convenient operation, safety and reliability. Moreover, the invention does not take up shore-line resources, and is easy to be recovered and ruled, as well as especially suitable for the loading and unloading of the liquid bulk carriers.

The present invention relates to a security system of swing door used on motor drive, which includes a sensor device with at least one sensor, wherein the sensor is set inside the sensor shell that mounted on the narrow side of the swing door, and generates detection field in the move area of the swing door that supported on the doorframe through supervisory signal. The sensor shell is mounted onthe stop dog of the swing door on the narrow side of the doorframe and is constructed and set similar to component part of the hinge moving joint that moves along with the swing door.

The invention provides a vehicle following control system and method for an intelligent driving vehicle. The corresponding vehicle following time interval and the safe parking distance are obtained according to the real-time vehicle speed of the intelligent driving vehicle and the real-time traffic state of the road where the intelligent driving vehicle is located, and then the vehicle following speed and the distance with the front vehicle are automatically adjusted. The real-time traffic state of the road, the real-time vehicle speed of the vehicle, the consistent vehicle following time interval and the safe parking distance are adopted, and compared with the existing fixed time interval control strategy, the behavior of the intelligent driving vehicle is enabled to better accord with the driving habit of human beings. Furthermore, the real-time traffic state of the road where the intelligent driving vehicle is located is calculated through the speed information of the vehicle in front of the intelligent driving vehicle, and compared with a traditional fixed-point traffic state monitoring method, the method is low in cost and good in real-time performance.

The invention provides a tension type mooring system and a mounting method thereof. The tension type mooring system comprises a floating production storage and off-loading device provided with at least one composite mooring rope; a suction anchor used as a mooring foundation is arranged at the bottom of the composite mooring rope; the composite mooring rope refers to a three-section composite mooring rope in a tension state and comprises an upper anchor chain, a middle polyester rope and a bottom anchor chain, the upper anchor chain, the middle polyester rope and the bottom chain are connectedfrom top to bottom sequentially, and a first float ball is arranged at the joint between the middle polyester rope and the bottom anchor chain. According to the tension type mooring system and the mounting method thereof, tension type multi-point mooring of the polyester ropes is utilized, the polyester rope resilience stiffness is high, high resilience force is provided for the floating production storage and off-loading device, and horizontal offset is reduced effectively; besides, as shorter mooring ropes are needed, price of the polyester ropes of the same break strength is lower, cost issaved, and economical efficiency is higher.

The invention discloses a rail traffic distance measurement system and method. The system comprises a distance measurement module, a RFID controller and a plurality of RFID labels, wherein the distance measurement module is arranged on rail vehicle, the RFID controller is arranged aside a rail, the plurality of RFID labels are arranged aside the rail at certain distance, the plurality of RFID labels are electrically connected with the RFID controller, and the distance measurement module is in wireless communication with the RFID labels. During the application process, the RFID controller can be used for updating distance measurement information in the RFID labels aside the rail in real time according to the position of the rail vehicle, the rail vehicle at a rear side also can be used forcalculating distance with a front vehicle in real time according to the distance measurement information in the RFID labels, the RFID labels are in wireless communication with the RFID controller, theRFID labels are in near-distance wireless communication with the distance measurement module, and high reliability is achieved; the distance measured in a such way is used for controlling the speed of the rail vehicle, the collision risk of the rail vehicle can be effectively reduced, the safety is improved, and the system is convenient to promote and use.

A gripper for electrical or optical lines (24, 24′) such as wires, cables, line bundles, optical fibres has two gripper jaws (22, 22′) movable relative to a counterbearing as well as relative to one another. Twisting heads (4) for twisting apparatuses for the lines (24, 24′) are equipped with such grippers. The gripper and the twisting head (4) and the twisting apparatus are provided with a drive arrangement including at least one adjustable-force drive (17) that acts via a link chain (15, 19, 19′, 20, 20′) on gripper jaw (22, 22′). The link chain (15, 19, 19′, 20, 20′) in this case has a section (19, 19′) movable parallel to the drive (17), but in the opposite direction of movement.

The invention provides a vehicle collision warning method based on an Internet of vehicles and an Internet of vehicles system. The Internet of vehicles system comprises sensing control modules, sensing network communication servers, a management server, service servers and user terminal devices. The sensing network communication servers and the sensing control modules are installed in vehicles. The method comprises the steps that: the sensing network communication servers send basic information, speed information and location information of vehicle bodies to the management server, the management server sends the acquired information to the service servers, and the service servers calculate whether a collision risk exists or not according to the received information of the multiple vehiclesand send early warning information to an Internet of vehicles device if so. According to the technical scheme provided by the invention, the risk during a driving process can be effectively avoided,drivers are reminded to concentrate, possible collision hazards are prompted, and safety hazards during driving are greatly reduced.

The invention relates to the technical field of construction engineering, and discloses a safety protection fence for construction engineering construction. The safety protection fence for construction engineering construction comprises a base frame, connecting blocks, supports, lighting lamps, a reinforcement plate, a bottom plate, water absorption blocks, a protection net, a cylinder, fixing screws, a reinforcement column, a counterweight, fixing frames, transverse frames, auxiliary screws and sleeve blocks, and the left and right sides of the base frame are fixedly connected with the connecting blocks. According to the safety protection fence for construction engineering construction and a use method thereof, the strength and weight of the fence are increased by additionally arranging the reinforcement plate and the bottom plate outside the base frame, both ventilation and protection are achieved by using the protection net, the exchange of rain or liquid inside and outside a construction site is reduced by using the water absorption blocks to reduce the mutual effect of the inside and the outside of the construction site, the counterweight and the reinforcement column provide larger supporting force for the fence and reduce the harm of wind blowing and collision, the sleeve blocks and the transverse frames are connected with the fixing frames to reinforce connection of thecomponents, force bearing is more uniform, the purpose of higher stability is achieved, and trouble caused by toppling of the protection fence is reduced.

The invention relates to a parking assistant device. The parking assistant device comprises an ultrasonic sensing part, which can recognize the objects around a vehicle by emitting ultrasonic signals and outputs first standby parking space according to the recognized objects; an image sensing part, which can recognize the parking line according to the surrounding images and outputs second standby parking space according to the recognized parking line; a parking space detection part, which can combine the first standby parking space and the second standby parking space and outputs target parking space; and a parking assistant part, which controls an electronic controlled steering wheel to park the vehicle into the target parking space. The parking assistant device can prominently improve the safety and accuracy of parking.

The invention relates to the field of intelligent driving and provides a nighttime vehicle driving assisting device and method, and a vehicle. The nighttime vehicle driving assisting device comprisesa night vision module, a vehicle speed obtaining module, a brake distance calculation module, a warning area judging module, a warning area adjusting module and a warning lamp control module. The nighttime vehicle driving assisting device can obtain pedestrian position information, forward road information, the vehicle speed and the brake distance. A warning area is adjusted according to the vehicle speed, the brake distance and the pedestrian position. The warning area judging module is used for obtaining the position information of a pedestrian and turning on a warning illumination lamp according to the pedestrian position information and the forward road information when the pedestrian is located in the warning area or approaches to the warning area. According to the nighttime vehicle driving assisting device, through the mode that the warning illumination lamp irradiate on the pedestrian, a driver pays attention to the pedestrian more easily, and the danger that the vehicle collides with the pedestrian in the nighttime is reduced.

The invention discloses an anti-skid multi-functional medical walking stick. The anti-skid multi-functional medical walking stick comprises an axilla support, supporting columns, a supporting leg, a connecting column and a supporting foot, wherein the lower end of the axilla support is symmetrically fixedly provided with the supporting columns; the end, away from the connecting column, of the supporting foot is provided with a support box; an anti-skid rubber column is fixed to the end, away from a spring, of a sliding plate, a chain surrounds a driving gear and a driven gear, the part, passing through the sliding plate, of the chain is fixed to the sliding plate. The side, away from the anti-skid rubber column, of the driven gear is connected with a ratchet wheel through a connecting rod,and a bearing is movably provided with a pawl. According to the anti-skid multi-functional medical walking stick, the height of the walking stick can be flexibly adjusted, an emergency light can provide a lighting function in a dark place, after the built-in anti-skid rubber column becomes short due to abrasion in use, under the action of the spring, the anti-skid rubber column can automaticallymove outwards, when a user walks, the anti-skid rubber column can make contact with the ground all the time, the service life of the walking stick is prolonged, and the possibility that an anti-skid mat is easily worn to cause potential safety hazards is reduced.

The invention discloses a shuttle vehicle control method and device, and relates to the technical field of warehouse logistics. The shuttle vehicle control method comprises the following steps: afterreceiving a task instruction, judging a task type according to a task type identifier carried by the task instruction; when the task type is a goods taking task, determining a first variable-pitch width corresponding to the goods taking task, so as to control a variable-pitch mechanism to adjust the distance between two fork arms on the shuttle vehicle according to the first variable-pitch width when a material box is taken; and when the task type is a delivery task, determining a second variable-pitch width corresponding to the delivery task so as to control the variable-pitch mechanism to adjust the distance between the two fork arms on the shuttle vehicle according to the second variable-pitch width when the material box is placed. Through the steps, the box collision risk of the shuttle vehicle in the material box taking process can be reduced, and the safety of the shuttle vehicle for taking and delivering the material box is improved.

The invention relates to a six-axis robot fruit and vegetable picking path planning method based on an RRT* algorithm. The six-axis robot fruit and vegetable picking path planning method based on the RRT* algorithm reduces the path planning time and improves the working efficiency through adjusting the range of a search radius; the six-axis movement angle of the six-axis robot is limited to prevent a mechanical arm of the six-axis robot from moving to a singular point and a self-collision point, and the collision risk degree of the six-axis robot is reduced; the grabbing angle and range within the distance range of reaching the set termination point E are optimized; and a broken line inflection point of an updated tree is smoothed, so that the phenomenon that the six-axis robot shakes when moving to the broken line inflection point is avoided, and the real-time operability is improved. According to the invention, the path is planned by comprehensively considering the complexity of an agricultural scene, the shortest path, the maneuverability, safety, feasibility of the six-axis robot and other factors; and the six-axis robot fruit and vegetable picking path planning method based on the RRT* algorithm has good practicability.

The invention relates to an apparatus and method avoiding collision with obstacles in automatic parking assistance system. According to the invention, a plurality of sensors are arranged in the front part, the rear part, and the side parts of a vehicle, so that the moving detection area of the obstacles is enlarged, an obstacle area in the prior art which detects the obstacles in all of the images and only detects the images having brightness changes is replaced, the movement of the obstacles is detected by means of a main component analyzing method and an obstacle image characteristic valve, and a support vector machine is employed to indicate the decision boundaries by means of some of support vectors. According to the support vector machine, the detection performance is improved because the movement of the obstacles is detected by the main component analyzing method and the obstacle image characteristic value; the obstacle detection and the movement can be automatically detected without the need for drivers' operation, thereby being convenient; and the minimal change of a device in prior art can be realized by adding the functions of obstacle movement detection and collision avoidance.

The invention discloses an automobile collision avoidance system for vulnerable road users and a control method thereof, and relates to the field of vehicle driving safety. A decision module receives information collected by a sensing module and makes a corresponding scheme, and an execution module is used for executing the scheme of the decision module; the decision module receives the automobile motion information, the motion information of surrounding targets and the road condition information acquired by the sensing module, judges whether a dangerous target exists or not, determines a collision avoidance scheme after evaluating the feasibility of active braking and active steering, and calculates the expected braking pressure, the expected throttle opening and the expected steering wheel turning angle; the execution module is based on a control signal of the decision module, when the automobile is actively braked, a brake and a throttle valve controller work cooperatively, and braking deceleration is output; and when the automobile actively steers, the steering system enables the automobile to steer along the planned path. Active braking or active steering operation is adopted, collision between the automobile and a dangerous target is avoided to the maximum extent, and therefore the road safety is remarkably improved.

The invention relates to an electro-hydraulic servo cylinder large platform test bench for a vehicle guardrail test. The electro-hydraulic servo cylinder large platform test benchincludes a guardrail test bench basic part assembly body (1), a pressure applying three-coordinate sliding table assembly body (2), a guardrail counter-force gantry frame assembly body (3), a counter-force seat (4), a hydraulic pump and synchronous motor assembly body (5), a stroke actuator assembly body (6) and an unbalance loading resisting guide rail and piston rod assembly body (7). The hydraulic pump and synchronous motor assembly body (5) is connected with the stroke actuator assembly body (6) through a hydraulic pipeline, and the stroke actuator assembly body (6) drives the unbalance loading resisting guide shaft frame assembly body (45) in the unbalance loading resisting guide rail and piston rod assembly body (7) to do linear motion back and forth, so that loading of a test piece is realized. The technical problem to be solved by the invention is to make up the technical vacancy of the test bench for the vehicle guardrail test at the present stage and meet the technical requirements of related national standards.

The invention discloses an automatic centering mechanism for goods. The automatic centering mechanism comprises a bearing support. A pallet carrying position is arranged on the bearing support and isused for carrying a pallet. The pallet is used for bearing goods. The area of the pallet carrying position is larger than that of the pallet. A first push device is arranged on one side of the palletcarrying position, and a second push device is arranged on the other side of the pallet carrying position. The power direction of the first push device and the power direction of the second push device are opposite. The first push device acts to push the pallet on the pallet carrying position to the second push device and achieves flat pushing when abutting against the second push device, and thenthe pallet is positioned to a designated position on the pallet carrying position under the drive of the second push device. By means of the automatic centering mechanism, due to first-time flat pushing and second-time positioning, the goods can be placed in a unified manner, the oblique placement phenomenon cannot happen, the colliding risk of the goods is reduced, the clearances needed betweenthe goods are also reduced, and the space utilization rate is increased.

The invention discloses a braking energy recovery device of an automatic driving automobile, which comprises an automobile control system, an external input system, a flywheel regenerative braking system, a storage battery system, a motor control system, a mechanical braking system and a transmission system, the external input system is used for detecting a to-be-braked distance; the mechanical braking system is used for mechanically braking the vehicle; the flywheel regenerative braking system is used for providing driving torque and braking torque for the transmission system and recycling braking energy in the braking process. The vehicle control system controls the vehicle to adopt a flywheel regenerative braking system for braking in a first braking state and adopt a mechanical brakingsystem for braking in a second braking state according to the to-be-braked distance; braking of the vehicle can be achieved without manual control, the flywheel regenerative braking system or the mechanical braking system can be directly controlled by the vehicle control system to brake the vehicle, part of braking energy can be recycled through the flywheel regenerative braking system, and the energy utilization efficiency is improved.

The present invention relates to a swing door device arranged in a subway gate, the swing door device comprising: a gate body (10) having a fee settlement function; a shutter (30) rotatably supportedby forming a drive shaft (31) on one side of the gate body (10); a locking means (40) for applying the electromotive force of the coil pipe (45) to the shutter (30) to maintain a closed or forward / reverse open position; and a control means (50) for controlling the gate body (10), the shutter (30), and the locking means (40) in accordance with a set algorithm. Thus, when there is a sudden increasein passengers to be handled in a subway gate, the risk of colliding with the door is reduced even if a power failure or malfunction occurs, thereby improving convenience and safety.

The invention provides an obstacle avoidance control method and device, an advanced driving assistance system, a vehicle and a medium. The method comprises the following steps: receiving vehicle sensor data; calculating an obstacle safety boundary and a lane safety boundary based on the vehicle sensor data; and determining a passing area and a passing state of the current vehicle according to the barrier safety boundary and the lane safety boundary.