11 results about "Mobile grid" patented technology

The invention relates to the field of vacuum circuit breakers, in particular to a vacuum circuit breaker opening and closing dynamic characteristic calculation method, device and equipment and a medium. Establishing a three-dimensional geometric model of the pole-mounted vacuum circuit breaker arc extinguish chamber and the moving and static contacts; setting material attributes for each part in the three-dimensional geometric model; constructing a multi-physics field coupling system; the area where the moving contact is located is divided into movable grids, and the grid density of the moving contact and the grid density of the static contact dynamically change along with time; and performing multi-field coupling transient solution according to the three-dimensional geometric model, the multi-physical field coupling system and the movable grid to obtain the dynamic characteristics of the vacuum circuit breaker. The electromagnetic field, the thermal field, the fluid field, the structure field and the circuit are subjected to full coupling analysis, multi-physical field strong coupling dynamic simulation of the whole opening and closing process is achieved, and the dynamic characteristics of the whole opening and closing process can be accurately calculated.

The invention belongs to the technical field of optical absorption cell parameter design, and particularly relates to an optical absorption cell design method and system based on PSO particle swarm optimization, and the method comprises the steps: S1, building a PSO model, defining each particle as an optical path, setting the number of particles and the maximum number of iterations, discretizing an absorption cell optical mirror surface into a movable grid, and defining the moving direction of the particles; s2, initializing the position and speed of a particle swarm based on the curvature radius, spacing and incident angle parameters of a reflector of the absorption cell; s3, performing optical simulation on each particle, and calculating a fitness value reflecting the optical length, the absorption cell volume and the light spot coverage based on a simulation result; updating an individual historical optimal path and a global historical optimal path; s3 is repeated after the speed and the position are updated and the state of each particle is adjusted; and S4, outputting the optical length, the volume and the lens number of the absorption cell corresponding to the final global optimal path. According to the method, efficient search can be carried out in the parameter space, and a globally optimal or approximately optimal solution is found.

A gripping device for being suspended from a load handling device for lifting and moving containers stacked in stacks in a grid storage structure including a plurality of tracks arranged in a grid pattern above the stacks of containers. The gripping device includes a frame; a gripping mechanism mounted on the frame configured to releasably grip a container from below the frame; a fixing device mounted on the frame configured to fix a free end of a reeled cable; and a cable tensioner configured to put the cable under tension in use. The cable tensioner includes a track; a carriage slidably mounted on the track; and a biasing device configured to bias the carriage.

The present application relates to the technical field of robot workstation, specifically to a grid 3D laser robot welding workstation, which comprises a mobile base, a regulating component is arranged in the mobile base, a bearing component is arranged on the regulating component, a control device is arranged above the bearing component, a laser robot is arranged on the control device, inclined components are uniformly arranged around the lower part of the laser robot, and the control device comprises a matching component and an intermittent component. Through the work of the bearing component and the control device, the angle of the grid can be adjusted synchronously according to the welding angle of the robot, and the grid can be automatically moved when the robot needs to weld a position far away, so that the welding quality and convenience are greatly improved.

The application discloses a rhombicuboctahedron mobile robot, which comprises first to sixth vertex units and first to twelfth driving units, the first to sixth vertex units are connected through the driving units, in the initial state, each unit presents a quadrilateral shape, the whole robot is in the shape of a rhombicuboctahedron, a deformation mode of face center driving is adopted, the deformation of each single degree of freedom quadrilateral unit is realized by controlling the steering angle of a steering wheel, and then the overall deformation is realized, the robot can roll and move by taking the triangular face composed of the quadrilateral link units or the rods as support, rich deformation and movement modes can be realized, the spherical shape can make the robot realize rapid movement, and the grid structure makes the robot have high rigidity and environmental adaptability, and the application can be used for unmanned detection tasks in a field environment.

The utility model discloses a color recognizer for an automatic cloth rolling machine, which comprises a cloth rolling device and is characterized in that square steel is erected on the front side of the top end of the cloth rolling device, a moving lattice is arranged in the middle of the front side of the square steel, a mounting block is mounted on the outer surface of the square steel, a groove is formed in the mounting block, and the moving lattice is arranged in the groove. A motor is mounted at the bottom of the mounting block, a rotating shaft is mounted at the top end of the motor, a gear is mounted at the top end of the rotating shaft, a color recognition device is mounted at the front end of the mounting block, a closing block is mounted at the rear end of the mounting block, a hinge is mounted at the top end of the closing block, and a plug pin is mounted at the bottom end of the closing block. A worker controls the motor to run left and right through the controller, so that the color recognition device can horizontally move left and right to the boundary of the double-color cloth to recognize and position the color, a large amount of manpower and time are saved, and the working efficiency is improved.

The utility model is suitable for sewage cleaning technical field provides a mobile grid cleaner, including baffle, the baffle is provided with two groups, two groups baffle between installing fixed plate, the top of baffle installs gantry. The utility model provides a mobile grid cleaner, the grid frame is driven by second motor and makes the whole body on the support plate slide, thereby realizes the mobile cleaning of dirt, through setting up first motor drive screw rod rotation to make the grid frame lift, this setting can facilitate the dirt between the grid frame and baffle and pull out, and the connecting plate can scrape off the dirt in the gap of grid frame when the grid frame is lifted, realize the quick cleaning of grid frame, through setting up photovoltaic board charges the battery, so that the device need not to hitch up line power on, improve the flexibility that the device uses, and reach the purpose of energy saving, the length of support plate overlap can increase or decrease, convenient to use in different length's sink.

The invention relates to the technical field of robot navigation, and discloses a path planning method based on fusion of a zero neural network and a resistance network. According to the method, a robot working area is dispersed into a grid map, the mapping relation between the grid map and a time-varying conical curved surface resistance network is established, obstacle grids correspond to disconnection resistors, and a starting point and an ending point correspond to a current injection point and a current outflow point respectively; constructing a fast zero neural network based on the resistance network mathematical model, and solving time-varying potential of each node; starting from the starting point by the robot, screening candidate nodes at the current grid position, determining the next step of moving the grid by combining the time-varying potential and the direction deviation of the candidate nodes, and repeating until the robot arrives at the terminal point. The real-time performance and the dynamic adaptability of path planning are improved, the local optimal solution is effectively avoided, the path planning is stable and reliable, and the method is suitable for various complex operation scenes.

A storage and retrieval system 50 comprises a track system 115 with a plurality of grid members / tracks / rails 22 forming a grid pattern with a plurality of grid cells or spaces 24. At least one ver

The invention discloses an FDM-FPM coupling simulation method suitable for a dynamic boundary, and belongs to the field of computational fluid mechanics. According to the method, aiming at the problems of insufficient precision, large interpolation error and the like in multi-scale structure simulation of a traditional SPH method, a high-precision finite difference method is adopted for solving in a fluid mainstream region, and an FPM method is adopted for Lagrange particle calculation in an external region. According to the method, in viscous incompressible fluid and fluid-solid coupling simulation, an improved Navier-Stokes control equation is adopted, a moving grid mechanism is introduced, and accurate coupling and synchronous evolution between a flow field and structural motion are achieved. The method can effectively improve the simulation precision and the calculation efficiency, and is suitable for fluid-solid coupling scenes including mobile rigid grids and large displacement structures.

Systems and methods for industrial power delivery can include an electrical combiner system. The system can include a housing, a first breaker, a second breaker, and a network device. The first breaker is in communication with a first power source and comprises a first programmable controller. The second breaker is in communication with a second power source and comprises a second programmable controller. A site controller is in electronic communication with the first breaker and the second breaker, and is configured to synchronize a voltage of the first power source and a voltage of the second power source.