102results about How to "Simple path" patented technology

The invention discloses an AGV navigation control method based on two-dimension code image tags. The AGV navigation control method comprises the following steps: 1) obtaining the range of each pixel point in scanned images of two-dimension code tag scanners; 2) obtaining corresponding IDs and positions of the two-dimension code image tags in a coordinate system of the images themselves according to the scanned images of the two-dimension code tag scanners; 3) an AGV receiving navigation path instructions sent by a scheduling center; 4) the AGV sequentially establishing local navigation coordinate systems according to the navigation path instructions and calculating initial positions of the AGV in the local navigation coordinate systems; 5) planning an arc track between two two-dimension code image tags of the AGV in sequence; and 6) calculating the control quantity of the AGV according to the planed arc radius to enable the AGV to drive to each two-dimension code image tag in a navigation path instruction sequence in sequence, and thus the navigation path instruction is finished. The method can reduce production cost, reduce on-site implementation difficulty and improve guiding flexibility.

Optical cells are non-actively compensated to ensure that a sample gap of a sample space remains nearly constant upon a change in temperature. Fluids can be flowed through the sample space of the optical cells.

An integrated platform to house an ocean thermal energy conversion (OTEC) system that utilizes: (i) a cold water circuit consisting of a way of receiving and distributing the cold water from the cold water pipe (CWP) to vertical conduits housing the condensers into collectors that discharge via large pumps into open discharge channels connected to the discharge water pipe (DWP); (ii) a surface water circuit consisting of a way of collecting and distributing the surface water to vertical conduits housing the evaporators to surface water collectors that discharge via large pumps into the same discharge channels connected to the DWP; (iii) means of adjusting the buoyancy of the integrated platform by adding water as ballast into floatation chambers in the hull surrounding the discharge channels or in a plurality of either vertical or horizontal flotation chambers to provide protection to the CWP and DWP and stability to the integrated platform. By adjusting the buoyancy of the platform such that the collectors are about level with the sea level, pumping requirements are minimized.

The invention relates to a multi-sensor fusion-based indoor navigation device and a multi-sensor fusion-based indoor navigation method. The method comprises the steps: building a current indoor magnetic map; measuring basic information data of the current indoor position in real time, wherein the basic information data comprises air pressure difference delta P of the current floor position relative to the ground, magnetic induction intensity time sequence and magnetic field gradient matrix time sequence on a walking route between the position at the current time and the position at the previous time, a time sequence value of XYZ three-direction accelerated speed of a human body or an AGV trolley marching on the walking route, and barrier distance of the human body or the AGV trolley marching on the walking route; fusing the basic information data, positioning the real-time position and performing straight line sectional navigation. The multi-sensor fusion-based indoor navigation device and the multi-sensor fusion-based indoor navigation method are accurate in navigation and accurate in positioning.

The invention discloses a redundancy degree-of-freedom mechanical arm movement planning and evaluating method based on arm-shaped angle interval. The method includes that arm-shaped angle parameters are adopted to describe self movement of a redundancy degree-of-freedom mechanical arm, and self movement characteristics are applied explicitly on a joint position level; arm-shaped angle space avoiding joint extreme and arm-shaped angle space avoiding obstacles are solved, and an intersection set of the two spaces is solved; if the intersection set is not an empty set, any value in the intersection set is substituted into a kinematics inverse model to acquire all feasible mechanical arm kinematics inverse solutions avoiding the joint extreme and the obstacles under a given mechanical arm tail-end pose; sampling is performed in a planned working space, sampling points are evaluated to improve efficiency and accuracy of movement planning, and routes of optimized planning are enabled to better meet arm movement forms of human beings. The intersection set avoiding the joint extreme and obstacle extreme is solved to acquire all feasible inverse solutions avoiding the joint extreme and theobstacle under the given tail-end executor pose, then movement planning is performed, so that a lot of redundancy solutions are excluded. The method is simple, high in efficiency and accuracy and capable of realizing online real-time movement planning.

A material grinding and conveying module comprises a conveying platform composed of grid bar assemblies, a grinding device arranged above the conveying platform and a supporting frame. A first motor drives a first driving mechanism to drive the conveying platform to do reciprocating synchronous circular motion to bear and propel materials to advance; the grinding device comprises a grinding platform and a second driving mechanism; a second motor drives the second driving mechanism to drive the grinding platform to do reciprocating type synchronous circular motion perpendicular to the pushing direction of the materials to grind and scrape the materials; the second motor alternately performs forward rotation and reverse rotation, and the forward rotation time is equal to the reverse rotationtime. A drying chamber comprises a material grinding and conveying module, and the number of the material grinding and conveying module is one or more than one which are stacked. The grinding platform conducts grinding in the forward direction and the reverse direction, materials can be more evenly distributed on the conveying platform, the evaporation area is increased, and the drying efficiencyis improved.

A device for producing fiber preforms including a plurality of unwind stations, a plurality of grippers and at least one first molding tool. Further, a method includes the successive steps of tensioning threads or rovings for a first layer with grippers, draping the first layer over a first molding tool, severing of the threads or rovings of the first layer, tensioning threads or rovings for a second layer with grippers, draping an additional layer over the first forming tool, and severing the threads or rovings of the second layer.

The invention aims to provide a method and a device for managing a data set. The method comprises the steps of determining an optimal storage device corresponding to a data subset by a management device according to subset identification information corresponding to the data subset when a trigger condition for carrying out sharding processing on the data set is met; updating storage information corresponding to the subset identification information according to storage information, which corresponds to the data subset, in a current storage device and by combining related information of the optimal storage device. Compared with the prior art, the storage information corresponding to the subset identification information is updated through the subset identification information corresponding to the data subset by combining the related information of the optimal storage device, thus segmental multi-stage database sharding on a target data subset can be realized, the problem that regular user data are subjected to in-place expansion can be solved, the uniform distribution of data is ensured, sub databases can be simply maintained, the expandability and the load balancing of the sub databases are realized, the sharding is flexible, and the cost is reduced.

The invention discloses a wireless sensor network-based non-uniform routing transmission method and device. The method comprises the following steps that: clustering operation is performed on sensor nodes in a wireless sensor network, clusters where the sensor nodes are located and cluster heads are determined; bidirectional directed connected graphs between the cluster heads as well as between the cluster heads and a base station are constructed; and data transmission paths between the cluster heads and the base station are selected according to a preset multi-path data transmission rule, and data transmission is performed according to the data transmission paths. According to the wireless sensor network-based non-uniform routing transmission method and device of the invention, the connected graph structures are adopted to connect the cluster heads, so that a plurality of paths can exist between the cluster heads and the base station, and the data amount of the cluster heads is balanced, the consumption of additional energy is reduced, and the reliability of a network in the case of the failure of the cluster heads is improved.

A data output driver that reduces signal skew includes a data multiplexer which reduces a load of a path through which a pull-up/pull-down control signal is generated by a logic-combination of a data signal. It also decreases the number of bits of a pull-up/pull-down resistance-adjusting code signal, and outputs a data signal in response to high impedance information. Furthermore, a path of an output circuit is simplified through which a pull-up/pull-down control is generated in response to the data signal output from the data multiplexer.

An image forming apparatus comprising: an image bearing member; a development cartridge which has a developer bearing member, wherein the developer bearing member is located at the position where a line linked between a center of the image bearing member and a center of the developer bearing member slants against horizontal direction and vertical direction on a section at right angles to the axis direction of the image bearing member; a supply portion connected with a supply port arranged in an upper aspect of the development cartridge and supplying the developer; a movement mechanism which retreats the development cartridge from a surface of the image bearing member by supporting movable the development cartridge from attached position to substantially vertical direction.

The invention provides a routing method and device based on service transmission, and relates to the field of communication technology. The method and device are used to transmit services in an optimal path, and improve the resource utilization rate in the multi-layer optical network. The method comprises that a service transmission request is received, and according to the service transmission request, all candidate transmission paths of a fused topology layer are obtained from the fused topology layer; according to the weight of each candidate transmission path, a target transmission path, whose weight is lowest, is obtained from all the candidate transmission paths; and whether the target transmission path is a direct-connection LSP or a multi-hop LSP is determined, and a service to be transmitted is transmitted from a source transmission node to a target transmission node in the target transmission path. The routing method and device are applied to the multilayer optical network.

The invention discloses a coiled lithium ion battery coiled core, a coiled lithium ion battery and a manufacturing method of the coiled lithium ion battery. The coiled lithium ion battery coiled corecomprises a coiled core body, wherein the coiled core body comprises a positive plate and a negative plate which are coiled with each other in a matching way; the positive plate is provided with positive plate openings; the negative plate is provided with negative plate openings; the positive plate openings and the negative plate openings are arranged in a staggered way along a radial direction toform channels passing through the coiled core body; at least two channels are formed; on the same channel, the areas of the positive plate openings are larger than the areas of the negative plate openings. In the coiled core, the positive plate is provided with the positive plate openings, the negative electrode plate is provided with the negative plate openings, and specific channels are formedon the coiled core body after coiling, so that coiled core body gas can smoothly pass through and be discharged from a battery system during baking, and the baking time can be shortened; meanwhile, apath from electrolyte infiltration to the coiled core body can be shortened through the channels, so that the infiltration effect is improved.

The invention relates to a microwave double-screw tube furnace and a method for preparing ferromanganese alloy by using the microwave double-screw tube furnace and a submerged arc furnace in a combined manner and belongs to the technical fields of microwave equipment and manganese metallurgy. The microwave double-screw tube furnace comprises three parts, namely a rack, a microwave cavity and a double-screw stirring device. The microwave double-screw tube furnace is adopted to pre-roast manganese ore so as to obtain a hot-state material, and then, the hot-state material is placed in the submerged arc furnace for smelting, so as to obtain the ferromanganese alloy. According to the tube furnace, microwave heating is adopted, so that the non-contact direct rapid heating of the material can be realized; due to the arrangement of reactor magnetrons, the efficiency of converting microwave energy into heat energy can be greatly increased; due to the combination and matching of a large number of low-power magnetrons, the successful research and development of a high-power microwave reactor for industrial production are realized; the method is short in production cycle and low in energy consumption, and various harmful phenomena caused due to the fact that cold materials enter the furnace can be properly overcome.

An electrical control system for measuring wall thickness of gyrorotor consists of process control microcomputer connected to four measuring heads, yielding mechanism, temperature sensor, control box, spacing switch, multiple control and driving circuits through interface master board connected with control card. The microcomputer controls moving parts with device indicating its displacement for measurement through driver and control servo motor.

The invention belongs to the field of machine body lightning protection, and discloses a conductive structure between composite material structural members and a conductive processing method. A coppernet and a copper sheet are laid in the composite material structure, a fastener and a supporting plate nut are reasonably utilized to achieve structural circuit conduction, and the problem that circuit conduction cannot be achieved between composite material structural parts can be solved. The current transmission path is simple, direct and effective, and the problem of low conductive efficiencybetween the composite material and the aluminum structural member is solved; the application range is wide, and the method can be applied to any part, needing to realize circuit conduction, between composite material structures containing glass fibers, carbon fibers, aluminum honeycombs and paper honeycombs.

The invention relates to a self-adaption zooming system and a self-adaption zooming method, belonging to the technical field of zooming. The self-adaption zooming system comprises a front fixing group, a first zooming group, a second zooming group, a first compensation group, a second compensation group and a rear fixing group which are sequentially and coaxially arranged, wherein a detector is arranged on an output light path of the rear fixing group and is used for imaging the light of the rear fixing group; the output end of the detector is connected with a control component; the control component is connected with the first zooming group, the second zooming group, the first compensation group and the second compensation group in a control manner and is used for controlling the first zooming group, the second zooming group, the first compensation group and the second compensation group to move in the axial direction according to the imaging situation of the detector, thereby achieving continuous zooming of the system. By adopting the zooming system provided by the invention, the imaging quality is good within the range of 10-400mm, the zooming achieving route is simple, and a small amount of lenses are used.

The invention relates to an underground percolating water treatment plant, comprising a water inlet pipe, a purified water outlet pipe, an aeration bucket and a filtering jar; wherein the aeration bucket and the filtering jar are buried underground, the filtering jar comprises a pressurized water pass room, a filter material layer and a water purification room from top to bottom; a decompression plate is arranged between the pressurized water pass room and the filter material layer, the side wall is communicated with the water inlet pipe, the top is communicated with a back washing discharge pipe, the lower part of the filter material layer is provided with a bearing filter plate; the middle of the filtering jar is fixed with a charging hole flange provided with an observing window, the bottom of the filtering jar water purification room is communicated with the aeration bucket, the aeration bucket is an umbrella top, the umbrella top is connected with an air inlet pipe and a cylinder which are symmetrical, the mouth part of the cylinder is connected with an air outlet pipe, the interior of the aeration bucket is provided with an aeration tube, the upper end of the aeration tube is provided with an aeration water separator, a water purification outlet pipe penetrates the aeration bucket to be communicated with the water outlet at the lower end of the aeration tube, the aeration tube is arranged at the center of the aeration bucket, annular space thereof forms the water purification room, and the upper end of the back washing discharge pipe and the interior of the water purification room are respectively provided with a water level sensing head. The invention has low delivery lift, high flow, low comprehensive cost and wide application field and is energy-saving and efficient.