30results about How to "Avoid waiting for each other" patented technology

The invention discloses a melt flow control device and method for a fusion coating forming process, comprising a crucible melting unit, a fusion coating head, an air pressure drive unit, a jet flow start-stop device, a crucible liquid level ranging module and an industrial computer . The water-cooled top cover is located above the melting crucible, and the molten coating head is placed below the melting crucible; the melting unit of the crucible is connected with the air pressure drive unit; the jet start-stop device drives the start-stop control lever to press down or lift up to realize the start and stop of the jet flow. stop. The pressure control adopts three-level division of labor: the computer sends the injection pressure to the PLC according to the pressure-flow function relationship, and the PLC simultaneously receives the melt level signal from the laser ranging module and the injection pressure of the industrial computer, and sends the air pressure control command to the pressure The controller, the pressure controller realizes the real-time control of the gas pressure in the crucible, so as to realize the precise control of the jet flow during the forming process, so as to complete the high-precision and high-efficiency coating forming of the target parts.

The invention discloses a method for realizing decoding, a software decoder and a decoding device. When used for decoding an encoded image, the software decoder of the embodiment of the invention adopts virtual frame storage to imitate DPB operation of a hardware decoder after decoding the encoded image of a frame to ensure that the encoded image of the next frame can be decoded without waiting the finish of the decoding of the hardware decoder so as to avoid the situations that the software decoder and the hardware decoder wait for each other because the DPB operation is performed only afterthe finish of the decoding of the hardware decoder in the prior art. The method, the software decoder and the decoding device can well realize parallel processing of the software decoder and the hardware decoder, and improve the decoding efficiency.

The invention relates to a free seedling feeding self-positioning grafting machine seedling holder and aims to provide a device with the advantages that manually free seedling feeding and machine seedling taking are simultaneously realized, the seedling feeding speed can be manually freely handled, the operation is simple and accurate, and the grafting efficiency is improved. The technical scheme is that the free seedling feeding self-positioning grafting machine seedling holder is characterized in that the free seedling feeding self-positioning grafting machine seedling holder comprises a bearing assembly mounted above a worktable, a driving assembly wrapping the bearing assembly from two directions up and down, and a plurality of seedling holding assemblies mounted between the bearing assembly and the driving assembly.

The invention designs a novel parallelization scheme, particularly relates to a parallelizing method of association analytical algorithm in order to overcome the defect that a conventional association rule analysis algorithm Apriori cannot well adapt to parallelization. The parallelizing method includes blocking computation tasks via a master control node, allocating and distributing to various subsidiary computation nodes; parallelly computing via the various subsidiary computation nodes to screen frequent item sets, finally combining the nodes and returning results for statistics, and generating the frequent item sets; distributing the frequent item sets again and generating rules via various nodes. Since each computation node only processes a part of computation tasks, the problem that massive data cannot be processed by being read into an internal storage by one machine and processing speed is too slow is solved; the various nodes can be parallelly involved in processing, and processing efficiency is effectively improved; synchronous dependence, network communication overload, high frequency in I / O (input / output) operation among the nodes during computation are correspondingly improved, and scanning and computing speed of a database are improved.

The present application discloses an iterative calculation method for synchronous power flow of an interconnected power grid and related devices. The method includes: S1: Calculate the update of each subnet through the subnet according to the preset state variable value, the power preset value and the first preset pseudo-rectification equation power mismatch, and synchronize to the superior control center; S2: through the superior control center to solve and update the incremental value of the state variable according to the updated power mismatch and the second preset pseudo-fitting equation, and synchronize to the subnet; S3: through the subnet The network calculates the updated state variable value according to the incremental value of the updated state variable, and judges whether to terminate the iteration according to the updated state variable value and the preset iteration termination condition. The variable value replaces the preset state variable value, and steps S1‑S2 are repeated until the preset iteration termination condition is satisfied. The application can solve the technical problems of poor calculation efficiency and low applicability of the existing synchronous iteration technology.

The invention discloses an avoidance method for a multi-laser AGV, comprising the following steps: constructing an environment model, setting a laser AGV site and a running route; subdividing tasks and adding them to a task attribute table of the laser AGV; planning a strategy according to the path , plan the route of the first unexecuted task in the task attribute table, and update the attributes of the AGV; the laser AGV updates its own information attributes in real time during the driving process, and compares it with the task attributes of other laser AGVs to determine whether it is necessary Drive to the temporary avoidance point; if so, change the task attribute table of the AGV; if not, continue to execute the task; if the AGV travels to the temporary avoidance point, determine whether the conflict domain is resolved. By adopting the above technical solution, the situation of vehicles waiting for each other or getting stuck in each other is avoided; the sub-tasks are re-divided in real time according to the running state, the waiting time of the laser AGV is reduced, and the dynamic avoidance function is realized.

The invention discloses a ground rail car. The ground rail car comprises multiple roller guide rail units serially connected together, wherein the multiple roller guide rail units are the same in length; the widths of the multiple roller guide rail units are gradually decreased one by one in the length direction of the ground rail car; single roller guide rail unit comprises a bracket, a conveying roller and a limiting roller; roller grooves are formed in the inner side walls of the brackets; stop pieces are arranged in the roller grooves; and the limiting roller of single roller guide rail unit is mounted in the roller grooves of the adjacent roller guide rail units. Through the technical scheme, the ground rail car can be stretched according to the carriage length demand to form a horizontal rail at the bottom of a carriage. Forked products can be directly put on the ground rail car without needing the coordination of loading and unloading persons, have no need to wait a trolley for loading and unloading, and also have no need to be renewedly forked on the car after being placed at the car tail, so that the repeated operation and the mutual waiting are prevented, and the improvement of carrying efficiency is facilitated.

The present application proposes a method, device, equipment, and readable storage medium for inbound and outbound control. The inbound control method includes: determining the target temporary storage location according to the target storage location of the target goods; instructing the first robot to carry the target goods to the target temporary storage location; Storage: Instructing the second robot to transport the target goods from the target temporary storage position to the target storage position upon receiving the transport completion signal sent by the first robot, wherein the target storage position and the target temporary storage position are arranged in different layers. The technical solutions provided in the embodiments of the present application can effectively improve the efficiency of goods in and out of storage.

The embodiment of the invention provides a load flow calculation method and device for a large-scale power distribution network, and the method comprises the steps: decomposing a target power distribution network into a plurality of sub-networks, and obtaining an equation for solving a contact branch current value between the sub-networks; calculating constant impedance, constant current and constant power parameters of each subnet ZIP load model; calculating a node admittance matrix of each subnet according to the constant impedance parameters, and improving the node admittance matrix; calculating the node injection current of the current iteration according to the node voltage of the current iteration and the constant current and constant power parameters; obtaining the current iterationcontact branch current according to the improved node admittance matrix, the current iteration node injection current and an equation used for solving the contact branch current between the subnets;obtaining the node voltage phasor of the next iteration according to the contact branch current of the current iteration if the difference value between the contact branch current of the previous iteration and the next iteration is greater than the convergence criterion. According to the embodiment of the invention, the efficiency and flexibility of load flow parallel computing are considered.

The invention discloses a method and device for calculating a travel route of multiple users. Wherein, the method includes: positioning each user among the plurality of users to obtain the position coordinates of each user; calculating a center point or a center area according to the position coordinates of the plurality of users, wherein the center point or the center area is the visual center Points or central areas; according to the central point or central area, routes are recommended to multiple users, so as to ensure that each user arrives at the meeting point at about the same time, avoiding waiting between users and wasting user time.

The invention discloses a mobile express delivery box. The mobile express delivery box comprises a shell and a top cover, one side of the shell is provided with a door, a rotary bottom plate is arranged in the shell, eight small article containers are arranged above four large article containers which are arranged on the rotary bottom plate, the rotary bottom plate is connected with a motor through a transmission system, and the small article containers are connected with the large article containers through planetary gear reducers. The four large article containers are uniformly and circumferentially distributed, and when an input shaft rotates by one circle and the rotary bottom plate rotates by 90 degrees, one of the large article containers faces the door; the eight small article containers are uniformly and circumferentially distributed, and when the large article containers rotate by 90 degrees and the small article containers rotate by 45 degrees, one of the small article containers face the door. A slide groove and a lock are arranged between the shell and the door, and the door is provided with small doors which are provided with password unlocking devices respectively. The mobile express delivery box is simple in structure, delivered articles can be fetched conveniently, clients are allowed to freely arrange time for fetching the delivered articles, occupancy of working and resting time is avoided, and manpower resources are greatly saved.

A kind of mechanical parking system in the field of transportation parking equipment, which is a side-by-side storage-type mechanical parking system with layered transport and raceways in the outer passage of a single-side roadway, including: warehouse-style warehouse racks, roadways, car storage areas, wheel supporting raceways, external wells, lifting Carriers, vertical moving carriers, vehicle separation and positioning traverse pick-and-feed devices, storage and retrieval vehicle transition zone; the vertical moving carriers in the roadway on one side of the warehouse rack work in layers, and each layer of the warehouse rack is longitudinally along the roadway Set up a car storage area, on which the wheel support raceway is placed horizontally, and multiple vehicles can be placed side by side. On the outside of the roadway, there is a transition area for accessing cars and an external shaft with a lifting carrier, a lifting carrier, and a longitudinal moving carrier. The same wheel support raceway is also placed on the transition area of ​​the access car, and the front and rear wheel support raceways on the storage area and the transition area of ​​the access car are provided with a horizontally movable extension carrier and a longitudinal transfer carrier. The vehicle separation and positioning traversing pick-up device is used for accessing traversing vehicles. The vehicle of the invention has large storage capacity and high operating efficiency.