49results about How to "Arrived safely" patented technology

The invention discloses a dynamic behavior decision-making method for an autonomous vehicle in a networked environment. The method includes: step one, acquiring ambient environment information by a surrounding road user in a V2X network connection environment of an own vehicle; with the center of mass of the own vehicle as the center, carrying out regional division at different radiuses and predicting a risk area; step two, carrying out first-stage behavior decision making based on the ambient environment information of the surrounding road user and the predicted risk area, and determining anavailable feasible action set for ensuring the own vehicle driving safety; and S3, carrying out second-stage behavior decision making; to be specific, selecting a finally performed action preferably from the available feasible action set with consideration of the non-safety constraint conditions, and carrying out driving behavior decision making.

The invention discloses an automatic generation method for a ship deployment scheme. According to the method, calibration and calculation are carried out on main sailing courses that are established from two aspects: economy and efficiency; and an economic bottleneck sailing course and an efficient bottleneck sailing course are respectively determined and resource demands of bottleneck sailing courses are deployed preferentially; constrained conditions including task demands, time requirements, ship competencies, supply requirements, destination selection requirements and economic requirements and the like of a measurement ship all year round are comprehensively considered and measured; on the condition that a basic requirement on navigation economy is met, an optimal point-to-point sailing course that is generated automatically according to a ship deployment scheme demand is assigned or measured artificially according to relative rules like an orthodromy and the like, correlated prescriptions of international navigation and conditions like a mature sailing course and the like; an electronic chart system is combined and a multi-target deployment scheme based on a fuzzy logic is employed; a corresponding deployment optimization system is established, wherein the system comprises a database and an algorithm of ship deployment; and an optimal sailing course is generated and is verified. According to the invention, the method has advantages of self adaptability, stability, and optimality; besides, an accuracy for measurement on punctual, safe, complete arrival to destination can ensured.

The invention relates to a method to take control and management to the application programs in terminal device that includes PC terminal and non-PC terminal containing network connecting function. The terminal device adopts open source code operation system and setting checking data base in checking server. The application programs only could be run after taking check on checking server. The invention resolves the uncontrollable problem of application programs in network terminal device, and has the advantages of low construction cost, easy to realize and convenience to manage.

The invention belongs to the technical field of rescue equipment, and specifically discloses an intelligent life buoy robot. The intelligent life buoy robot comprises a buoy body, a power drive device and a remote control device, wherein the buoy body is in the shape of an unclosed ring, and the open end is used as a tail part; the power drive device is arranged in the buoy body, and drives the buoy body to move; and a remote-control receiver of the remote control device is arranged in the buoy body, and connected with the power drive device, and the power drive device is remotely controlled to run by a remote-control transmitter. Rear rescue personnel can remotely control the buoy body to approach to rescued personnel through the remote control device, the opening direction of the tail part is enabled to face the rescued personnel, the rescued personnel can be smoothly half-held in the buoy body, and then are pulled back through a rope, or the buoy body is remotely controlled to return. The intelligent life buoy robot disclosed by the invention is simple in structure, and replaces the rescue personnel to rapidly and safely arrive at trapped personnel and rescue near-drowning personnel or the trapped personnel.

The invention provides an oncolytic virus preparation and a preparing method thereof. The oncolytic virus preparation comprises cell vesicles coming from apoptotic tumor cells and oncolytic viruses which are wrapped in the cell vesicles and serve as effective constituents. According to the oncolytic virus preparation, as the cell vesicles coming from the cells are used for wrapping the oncolytic viruses, the oncolytic viruses escape from attacks of an organism immune system and can reach the tumor treatment positions in a targeted manner, and the tumor killing effect is improved.

The invention discloses a hexapod robot autonomous navigation closed-loop controller with a fuzzy neural network, which comprises a hexapod robot formed by a shell and a steering engine, a navigation control system, a safety distance SD decision module, a fuzzy BP neural network module and a neural network weight coefficient training and adjusting module internally arranged in the navigation control system, a detection steering engine and an azimuth sensor arranged at the center of the hexapod robot, and an ultrasonic sensor arranged on the detection steering engine. According to the hexapod robot autonomous navigation closed-loop controller with the fuzzy neural network, a closed-loop control method with a feedback function is adopted, obstacle distance information inputted by the system is obtained through sector scanning of the ultrasonic sensor, and errors caused by interference of a beam angle and the signal crosstalk problem can be avoided, and through the fuzzy neural network and operation of the safe distance SD decision module, the robot can safely and quickly arrive at a target point, and no redundant path is generated.

The invention discloses a wheeled engineering machinery automatic tracking driving control system and method, and the system comprises: a path input module which is used for obtaining the data of a specified path; the positioning data acquisition module that is used for acquiring coordinate information of track path points of the wheel type engineering machinery and position coordinate informationof the wheel type excavator, performing coordinate conversion on the coordinate information and outputting converted path data and positioning data; the curve fitting module that is used for receiving the path data converted by the positioning data acquisition module, performing curve fitting on the discrete path data and outputting a driving track curve of the wheel excavator; and the trajectorytracking control module that is used for receiving the pose data of the wheel excavator, the positioning data output by the positioning data acquisition module and the driving trajectory curve outputby the curve fitting module, obtaining and outputting the depth of an accelerator pedal, the depth of a brake pedal and a steering angle through calculation, and controlling to realize automatic tracking driving.

The invention relates to a tunnel portal breaking method by using a shield tunneling machine on quicksand strata. An end wall building envelope is an underground continuous wall, and the portal breaking is double breaking and comprises two steps that when a tool nose of the shield tunneling machine is arranged at a distance of 500mm from the continuous wall, the first breaking of outer protective layer starts, and reinforcing steel bars are cut layer by layer after completion; for the second breaking, concrete at the center of the portal is broken into a circular opening by an air pick, the shield tunneling machine starts to propel, a cutterhead is pushed onto the continuous wall, and the tool nose is exposed, so that the residual wall body concrete is broken from top to bottom until the second row of reinforcing steel bars are exposed to be cut out; the last protective layer concrete of the continuous wall body is directly burst by the shield tunneling machine, and the receiving task is completed until all shield tunneling machines are put away. The tunnel portal breaking method solves the risk problem of the portal breaking on the quicksand strata, and has the characteristic that the shield tunneling machine quickly and safely reaches to a shield turning receiving well, and the water and sand gushing phenomena in the portal breaking process are better controlled.

The invention discloses a six-way rail transit control method, which comprises the following steps of: 1, setting a destination, obtaining a planned path to the destination, and enabling a rail trolley to run along the planned path; and 2, dividing the planned path into different driving road sections and the like. The invention also discloses a system of the six-way rail transit control method. The system comprises a vehicle-mounted controller, a central controller, a data processing center, a GPS navigation module, an information transmission center, an obstacle detection unit, an RFID reader, a rail changing RFID module, a vertical RFID module, a curve RFID module, a walking control module and a rail changing control module, wherein the central controller, the data processing center, the GPS navigation module and the information transmission center are connected with the vehicle-mounted controller, the obstacle detection unit and the RFID reader are connected with the information transmission center, the rail changing RFID module, the vertical RFID module and the curve RFID module are connected with the RFID reader, and the walking control module and the rail changing control module are connected with the data processing center. According to the invention, the planned path is divided into a plurality of driving road sections, driving road section rail trolleys execute different driving tasks, and the rail trolleys can safely reach destinations by controlling the rail trolleys to automatically change the rail and pass through other trolleys.

The invention relates to a saturation control method of seafloor accuracy landing of a tethered cabled underwater robot based on a sliding mode technology. The problems that time and energy are wasted, precision of accuracy landing is poor, it is prone to collision and even accident with underwater structures, and serious economic losses are caused due to the fact that most landing is manual whenan existing ROV lands on the seafloor are solved. The saturation control method has the specific processes that 1, a ROV model is established; 2, improved sliding mode variable structure control is established based on the step 1; 3, an input saturation function is introduced based on the step 1 and the step 2; and 4, improved sliding mode variable structure control considering saturation is established based on the step 1, the step 2 and the step 3. The saturation control method is used in the field of saturation control of seafloor accuracy landing of the tethered cabled underwater robot.

The invention discloses low-toxicity flame-retardant normal-temperature solvent marked line paint, which is prepared from the following raw materials in parts by weight: 190 to 275 parts of solid resin, 25 to 150 parts of pigments, 225 to 500 parts of filling materials, 27.5 to 39 parts of auxiliary agents, 210 to 425 parts of dimethyl carbonate and / or aromatic hydrocarbon, 10 to 20 parts of acetone, 10 to 20 parts of butyl acetate, 100 to 250 parts of chlorohydrocarbon and 16 to 27 parts of low-level saturated monobasic alcohol. The low-toxicity flame-retardant normal-temperature solvent marked line paint provided by the invention has the advantages that the recipe of the paint is scientific and reasonable; all ingredients are matched in a synergistic way; the excellent performance of a product is improved; the solvent selection toxicity is greatly reduced than that in the prior art; the marked line paint is safer and achieves a better environment-friendly effect. The marked line paint has the advantages that the flammable and explosive features of the existing paint are changed into combustible performance; good flame-retardant effects are achieved; the production process solves the problem of flammable and explosive risk of the normal-temperature solvent marked line paint; the harm of toxic solvents is reduced; the life safety of protection, transportation and construction personnel and relevant personnel in contact with products can be effectively protected.

The idea of ​​double redundancy in the active network stream digital watermarking method based on double redundancy of the present invention means that each watermark Wi corresponds to a large time interval Ri, and each large time interval discretely contains r A small time interval g, the watermark Wi will be repeatedly embedded in r different small intervals g; at the same time, each g interval contains multiple data packet sequences, and finally achieve the embedding watermark by manipulating the data packet time sequence Objective: By adopting the double redundancy method, the stability of the embedded watermark in the network propagation process can be effectively improved, the effective detection rate of the watermark at the receiving end can be improved, and the false detection rate can be reduced. Adopting the dual redundancy-based active network flow digital watermark embedding method of the present invention can effectively ensure that the watermark embedded at the sending end can reach the receiving end more safely, improve the detection efficiency of the watermark at the receiving end, and effectively judge the communication relationship between the sending end and the receiving end Provide evidence.

An intelligent walking stick comprises a walking stick body, a navigation module, a voice playback module and a command input module. The navigation module is used for determining user's current location and user's target location and formulating the route from the current location to the target location; the voice playback module is used for guiding a user to move ahead by voice; the command input module is used for receiving user commands. User's destination is received through the command input module, the route is formulated through the navigation module, the user is guided to move ahead through the voice module, user travel is facilitated, and the user is ensured to reach the destination safety especially in unfamiliar situations.

The invention discloses a transhipment method of bulk cargo from factories to shipment. The method is characterized by adopting an improved container to load and unload and transferring cargo to a warehouse through a dumper. During shipment, a hopper of the dumper is used for conveying bulk cargo to a port. An iron chain of a crane is used for lifting the hopper. By adjusting lengths of two ends of the iron chain at different time, balance of the hopper during hoisting is achieved. During unloading, one end of the hopper is oblique and self weight of bulk cargo is used for opening and the cargo goes into the warehouse.The transhipment method of bulk cargo from factories to shipment is high in shipment efficiency, safe and stable in transport and does not cause pollution to bulk cargo without much labor cost. The amount of bulk cargo going in and out of the warehouse and shipment can be monitored in a real-time manner.

The invention discloses a method for obtaining a navigation map of a working environment of a mobile robot, and the method comprises the steps: obtaining a two-dimensional topological environment mapof the working environment for the working environment where the mobile robot is located, wherein the two-dimensional topological environment map comprises the barrier-free region information under the working environment; acquiring a navigation map of the working environment of the mobile robot according to the two-dimensional topological environment map; and acquiring a navigation map of the working environment on the basis of the two-dimensional topological map containing the barrier-free area information of the mobile robot in the working environment. A more accurate navigation map containing three-dimensional obstacle avoidance information can be provided for the mobile robot.

The invention discloses an operation platform overhauling power transmission tower pole cross beams. The operation platform comprises a bridge crossing transverse ladder. Two symmetrical hooks are arranged at the left end of the bridge crossing transverse ladder and can be hung on the X-shaped cross beams of a power transmission tower pole. A fastening device movably connected with a power transmission vertical pole is arranged at the right end of the bridge crossing transverse ladder. The operation platform is installed in a folded mode during installation and usage, due to the fact that the joint of the two X-shaped cross beams of the power transmission tower pole is a bevel, the hooks are firmly connected with the bevel of the X-shaped cross beams, the right end of the bridge crossing transverse ladder is movably connected with the power transmission vertical pole on the right side of the X-shaped cross beams, the whole platform is convenient and fast to install and disassemble, aerial work personnel can reach the joint of the cross beams safely and fast and can stand to operate, aerial work time of the work personnel is shortened greatly, and overhauling tools and raw materials can be conveyed upwards very conveniently. The operation platform is installed in the folded mode and convenient to carry and transport, construction safety can be ensured, the labor intensity is lowered, and the labor efficiency is improved.

The invention provides an automatic lamp searching method of an intelligent evacuation system and aims at accurately, simply and conveniently searching intelligent evacuation emergency illumination lamps and evacuation indicating lamps in the system and reflecting the specific installing positions of the intelligent evacuation emergency illumination lamps and the evacuation indicating lamps in passageways in the intelligent evacuation system. The automatic lamp searching method comprises the following steps that intelligent indicating lamps are cured with unique physical codes, and the surfaces of lamp bodies are provided with bar codes, two-dimensional codes or physical node digits corresponding to the physical codes. When the system operates for the first time, the mainframe automatically searches all the intelligent evacuation emergency illumination lamps and evacuation indicating lamps subordinate to the system, all the intelligent indicating lamps upwards feed back their physical code information, a mobile terminal performs interactive communication with the mainframe through a mobile network, provides a code scanning and identifying function or / and a manual inputting function and calls out corresponding setting interfaces of the intelligent evacuation emergency illumination lamps and the evacuation indicating lamps according to identified or used-input physical codes, input items of the installing positions are provided on the setting interfaces, and setting information containing the physical codes and the installing positions is submitted to the mainframe after lamp settings and installing position entering are completed.

The invention discloses an interlocking route dynamic control method which comprises the following steps: acquiring route information which comprises a starting point and a target point, and determining the shortest route from the starting point to the target point according to a shortest route algorithm model and the route information.The method is suitable for clear initial points and end points; the formed access paths are more, the path from the starting point to the target place is converted into an access path group which is more complex, the access path group does not need to be organized in a manual mode, and the route from the starting point to the target station is more convenient to replan according to the method, so that the train can safely and efficiently reach the target point from the starting point; scheduling personnel are effectively reduced, and production efficiency is improved.

The invention discloses an automatic trace explosive detection system comprising a conveyor belt subsystem, a vision subsystem, a sampling subsystem, a detection subsystem and a control subsystem. Theconveyor belt subsystem, the vision subsystem, the sampling subsystem, and the detection subsystem are connected with the control subsystem. The conveyor belt subsystem is configured to transmit a to-be-detected object to a preset detection position under the control of the control subsystem. The vision subsystem is configured to acquire an image of the detected object under the control of the control subsystem and provide the image to the control subsystem. The sampling subsystem is configured to pick up sample paper to sample the detected object under the control of the control subsystem and convey the sampled sample paper to the detection subsystem. The detection subsystem is used for detecting the sample paper under the control of the control subsystem to obtain a detection result. Therefore, the amount of manual work in the detection of explosives can be reduced effectively and the detection efficiency can be improved.

The invention provides an anti-epidemic distribution box based on an Internet of things platform. The anti-epidemic distribution box based on the Internet of things platform comprises a box body, wherein the box body is internally divided into a thermal insulation chamber and a refrigerating chamber which are vertically distributed through a partition plate; temperature and humidity sensors are mounted on the inner side wall of the thermal insulation chamber and the inner side wall of the refrigerating chamber; the rear end surface of the box body is equipped with a voice alarm; an electronic lock is mounted on the box body in front of the box body; a mounting box body is fixedly mounted on the inner wall at one side of the refrigerating chamber; a GPS locator, a master control chip, a gyroscope and a lithium battery are fixedly mounted in the mounting box body. The anti-epidemic distribution box based on the Internet of things platform provided by the invention has two storage ways of refrigeration and thermal insulation, can store food according to food characteristics, can achieve certain sterilization and disinfection effect under epidemic through an ultraviolet-ray lamp; and the electronic lock is arranged, so that a conventional distribution box missing condition is reduced.

The invention relates to the technical field of ship construction, in particular to a water hand long room and a ship. An inlet communicated with the main deck is formed in the top of the water hand long chamber, and a manhole communicated with the chain locker is formed in the inner wall of the water hand long chamber. The water hand long chamber comprises a first bay platform, a first inclined ladder, a second inclined ladder and a second bay platform, and the first bay platform is arranged on the front wall of the water hand long chamber and divides the water hand long chamber into compound cabins. One end of the first inclined ladder is lapped on the inlet of the water hand long chamber, and the other end is lapped on the first floating platform. One end of the second inclined ladder is lapped on the bottom deck of the water hand long room, and the other end is lapped on the first floating platform. The second bay platform is arranged on the rear wall of the water hand long chamber and located below the manhole so as to enter the manhole through the second bay platform, and the first bay platform is connected with the second bay platform. The ship comprises the watercraft room, so that personnel can safely and conveniently reach the bottom deck and the manhole of the watercraft room, the internal layout of the watercraft room is optimized, and the internal space utilization rate of the watercraft room is improved.

The invention discloses a formation shape changing method and device for an unmanned ship formation and a medium, and the method comprises the steps: obtaining a target queue position of an unmanned ship queue, the target queue position comprises a plurality of target point positions, the number of the plurality of target point positions is greater than or equal to the number of unmanned ships in the unmanned ship queue, the unmanned ship queue comprises a plurality of unmanned ships, and the unmanned ships are arranged in the unmanned ship queue; according to the current queue position and the target queue position of the unmanned ship queue, determining a plurality of path combinations meeting a preset condition, selecting the path combination with the shortest path sum in the plurality of path combinations as an alternative path combination, and if no crossed driving path exists in the alternative path combination, selecting the path combination with the shortest path sum as the alternative path combination. And if yes, determining that the alternative path combination is the path of the unmanned ship queue. And selecting a driving path which does not have intersection and has the shortest sum of distances, thereby ensuring that the unmanned ship does not collide in the sailing process and can arrive at the target point position as soon as possible.

The invention relates to the technical field of loading equipment, and provides a relay type loading and bag placement device. The relay type loading and bag placement device comprises a transverse movement supporting plate. A rotating body is further arranged on the transverse movement supporting plate and is movably connected with a relay ladder in a sleeved manner, wherein the relay ladder canascend and descend. The rotating body is rotationally arranged on the transverse movement supporting plate through a rotary assembly. Thus, the relay ladder capable of ascending and descending and capable of rotating is arranged on the transverse movement supporting plate, multiple layers of bag receiving assemblies are arranged on a frame of the relay ladder, and the opening-closing state and opening-closing rhythm of supporting plates of the bag receiving assemblies of all the layers are controlled through a time sequence opening-closing mechanism. Material bags fall layer by layer in a speed controllable manner, and it is guaranteed that material bags safely arrive at the destination while rapidly falling; and on the premise of guaranteeing safety, loading efficiency is improved.

The invention discloses an intelligent electronic safety management system and method based on RFID (Radio Frequency Identification). The system comprises a fixed writer-reader, an intelligent electric control lock, a data collector, a truck intelligent information system unit, a handheld type writer-reader and a background server unit, wherein the handheld type writer-reader is connected with the intelligent electric control lock through a wireless network; the intelligent electric control lock is connected with the data collector through the wireless network; the data collector is connected with the truck intelligent information system unit through the wireless network; and the truck intelligent information system unit is connected with the background server unit through a GPRS / GPS (General Packet Radio Service / Global Position System). According to the intelligent electronic safety management system and method based on RFID, the tracking management and the automatic tracking treatment of a container in a transportation process can be realized through wireless communication, data collection, intelligent management and the like; and the container is sealed and opened, and information data (including temperature, humidity, pressure and the like), vehicle starting / stopping states, vehicle positions and the like in the container can be monitored in real time, so that the container can timely, completely and safely arrives the destination from a starting part.

The invention discloses a cabled remote operated vehicle (ROV) seabed fixed-point landing motion control method based on SI control and relates to ROV seabed fixed-point landing motion control methods. The method aims to solve the problems that when an existing ROV performs seabed landing, manual operation is mostly adopted for landing, time and labor are wasted, fixed-point landing precision is poor, collision to a subsea structure and even an accident are prone to occurring, and a serious economic loss is caused. According to the specific process, the method comprises the steps that first, s-surface control is established; second, based on the s-surface control established in the first step, PID control is established; and third, based on the s-surface control established in the first step and the PID control established in the second step, SI control is established. The method is applied to the field of ROV seabed fixed-point landing motion control.

The invention provides a multimedia vehicle head intelligent device and an implementation method. The multimedia vehicle head intelligent device comprises a wind shield, a rear shell, a support, a circuit board and a loudspeaker. The support can be installed on a handlebar of an electric bike or a bike. The rear shell is fixed to the support. The circuit board and the loudspeaker are arranged in the rear shell and are electrically connected. The wind shield is arranged in front of the rear shell. The multimedia vehicle head intelligent device has the beneficial effects that design is novel, functions are powerful, and the multimedia vehicle head intelligent device can be easily installed on the electric bike or the bike; a mobile phone or a TF card can be used for playing music, and the tone quality effect is good; the multimedia vehicle head intelligent device can make a call through Bluetooth and is safe and convenient to use; the mobile phone can be charged through a USB interface; a user can safely, conveniently, fast and accurately reach a destination when riding the electric bike or the bike through the navigation function of the mobile phone; and when the electric bike or the bike is lost or the user forgets where the electric bike or the bike is placed, the electric bike or the bike can be accurately positioned and traced and an alarm can be given through a GPS positioning module of the multimedia vehicle head intelligent device.