79results about How to "Guaranteed optimization" patented technology

The invention discloses a search method and system for optimal splicing lines among images based on graph-cut energy optimization. According to the method, data preparation of the images to be spliced is performed, and all overlap regions and corresponding overlap degrees among all the images to be spliced are obtained; the images to be spliced are preprocessed, color, gradient and texture information is comprehensively considered to determine a graph-cut global energy function which includes a data item and a smooth item, weighting setting is performed on energy of the smooth item, the graph-cut energy optimization method is adopted for optimizing total energy, and therefore the optimal splicing lines are obtained. The obtained splicing lines are prevented from passing through regions which are overlarge in color difference and complex in texture and passing through edges obvious in ground feature as much as possible, so that optimization of the splicing lines is ensured to the maximum degree, the problem of optimizing multi-image multi-degree overlap region splicing lines in a combined mode is solved, and the application range is wide.

The invention discloses an optimized arrangement method for monitoring points of an urban water supply pipe network. The invention improves the traditional sensitivity analysis and cluster analysis methods separately and combines the two methods to obtain optimized distribution of monitoring points, so that the arrangement of the monitoring points can have the characteristics of being good in sensitivity, being relatively dispersed and facilitating the delimiting of abnormal regions for accurate detection, and meanwhile, the monitoring points are more widely and uniformly distributed as compared with those in the prior art, and are reasonably arranged at key positions, thereby facilitating model verification.

The invention provides a telescopic crossed yoke fluorescent magnetic powder inspection machine. A crossed yoke comprises a fixed yoke parallel to the surface of a workpiece to be tested and a moving yoke perpendicular to the surface of the workpiece to be tested, the moving yoke passes through a sliding bushing and is in sliding connection with the fixed yoke, and the moving yoke is provided with a pressure spring. The invention successfully realizes that each magnetic pole of the magnetic powder inspection machine has telescopic function so as to closely contact the workpiece by dividing the crossed yoke into the fixed yoke and the moving yoke, thereby guaranteeing the magnetic-field intensity during the fault detection. The magnetic powder inspection machine is also provided with a CCD image acquisition device, and realizes the program control of working procedures of feeding, magnetization, CCD observation and discharge as well as on-line detection monitoring and automatic fault detection through the program control operation of a PLC.

The present invention relates to 3D digitalization and reverse engineering technology, and is especially first-phase treating algorithm for color 3D dot cloud data. For high treating efficiency, excellent re-constructed model and optimized re-construction result, the present invention has the technological scheme including adopting curvature included angle and chord height process to eliminate isolated and protuberant points in small region; memorizing the coordinate conversion relationship to control object position in 3D display platform to realize the conversion from the 3D data to current 2D coordinate; manually sorting region points, linking the points to form polygon, regularizing the attribution of judging point and eliminating great area noise points; introducing color distance definition in RGB space to judge color difference, improve lattice contracting algorithm and propose the re-sample of RGB lattice contracting algorithm on color dot cloud data. The present invention is used mainly in first-phase treatment of laser scanned color data.

The invention discloses a user landing method and system of network game, which comprises the following steps: a, sending landing request information; b, according request information to index user information in preset buffer modular, if the user information is indexed, entering step d; d, if the user information doesn't be indexed, entering step c; c, indexing user information by landing server in data bank, if the user information is indexed, entering stepd, if the user information isn't indexed, feedbacking the prompting information to game server; d, identifying the indexed user information, if the identification is passed, feedbacking identification passing information; landing to enter game; if the identification is not passed, feedbacking present information to game server. The system is composed of user client side, game server, buffer server and landing server. The buffer server is composed of information buffer modular, buffer decision modular, network decision modular, user request modular and internal memory control modular.

The invention discloses an universal controller of a spaceflight carrier rocket, comprising a control plate, a time sequence plate and an attitude control plate, wherein the time sequence plate comprises M paths of ignition units; the attitude control plate comprises N paths of attitude control drive modules, N paths of attitude control recovery modules, pressure collection modules and remote -measuring power distribution and interruption modules; the control plate comprises a processor DSP (Digital Signal Processor), a programmable logic controller CPLD (Complex Programmable Logic Device), an isolated power supply, an analogue switch, an isolation amplifier, M paths of time sequence recovery modules, M paths of ignition recovery modules, P paths of indication input modules, M paths of time sequence drive modules, a rudder control output module, a rocket-borne CAN isolation drive module, and a ground CAN isolation drive module. The controller is characterized in that controllers in four cabins are combined into one universal controller and has the advantages of modular design, good universality and strong compatibility.

The invention discloses a message service network cluster based on a network topology. Multiple pieces of message middleware in the message service network cluster are allocated to be of a star-shaped network topology or a tree-shaped network topology. As only a sole message path exists between any two pieces of message middleware in the star-shaped network topology or the tree-shaped network topology, and due the sole message path, the message middleware is in a main-auxiliary mode in order to prevent the message middleware from breaking down; when breaking down, one piece of message middleware is replaced with the other piece of message middleware for working. The star-shaped network topology or the tree-shaped network topology is allocated according to the optimal path of the multiple pieces of message middleware, so that the optimal message transmission path is guaranteed, and the message transmission efficiency of the message service network cluster is improved.

The invention discloses an exhaust pollutant measuring system for an in-use vehicle. The exhaust pollutant measuring system comprises a diluted-exhaust-gas flow measuring and sampling unit, an exhaust-gas-component measuring and analysing unit, and the like. Diluted exhaust gas, which is exhausted by the in-use vehicle and is mixed with air, is suctioned by a cyclone draught fan (4), measured by an SAO flowmeter (3) to obtain the diluted-exhaust-gas flow and then is exhausted to the air from a draught fan exit (5). The diluted exhaust is sampled by a sampling pump (6) and enters into the exhaust-gas-component measuring and analysing unit (9) through a continuous sampling pipeline (7) or a sampling bag (8). The exhaust-gas-component measuring and analysing unit (9) comprises an NDIR analyzer for measuring CO, CO2 and O2, an NDIR analyzer for measuring HC, and a CLD analyzer for measuring NO[x] (containing NO and NO2). Compared with measuring methods and devices at present for the in-use vehicle, the exhaust pollutant measuring system provided by the invention overcomes the disadvantages of the low measuring precision of exhaust gas components, incapability of measuring both the NO and the NO2 or capability of only measuring the NO, incapability of measuring the exhausting quantity or low measuring precision, and the like. The exhaust pollutant measuring system is compatible with a plurality of measuring methods of the in-use vehicle. The price of the measuring system is medium. The measuring system is a design acceptable by the market.

The invention discloses an SLS scanning method and a 3D printing method. The 3D printing method uses an SLS processing technology to conduct 3D printing on batches of parts and comprises the following steps that data treatment is conducted, specifically, the printing positions of multiple to-be-printed parts are set in the mode that the printing positions are sequentially distributed from interior to exterior in the helical line direction, and data slicing treatment is conducted according to the set printing positions; and scanning is conducted, specifically, all the printing positions are scanned with laser in the helical line direction from interior to exterior in sequence, same-layer SLS sintering of the different parts is conducted on all the printing positions in sequence, and circulated and repeated scanning is conducted along t a helical line so that the batches of parts can be printed. According to the SLS scanning method and the 3D printing method, the quality of all the parts in small batch production can be optimized; meanwhile, compared with a previous scanning strategy, the production time is shortened; and much equipment heat energy can further be saved.

The embodiment of the invention provides a method and system for having intelligent control over a granary ventilation system. The method comprises the steps that sensor detection modules acquire temperature and humidity data inside and outside ventilation windows, ventilation control modules send the temperature and humidity data inside and outside the ventilation windows to a mobile terminal through a wireless communication network, a master control server judges whether one ventilation window needs to be opened to carry out ventilation operation or not according to the average temperature and the average humidity, which are calculated by the mobile terminal, inside and outside the ventilation window on the basis of a set ventilation control strategy, and if yes, a ventilation instruction is sent to the ventilation control module corresponding to the ventilation window. According to the method and system for having intelligent control over the granary ventilation system, the information of the temperature and humidity inside and outside a granary and the status information of ventilation portions can be acquired in real time, and the ventilation portions can be automatically opened and closed in a wireless communication mode through the master control server and the mobile terminal so that automatic ventilation operation can be carried out.

The invention belongs to the field of heating and ventilation, and discloses a temperature and humidity independent control centralized air conditioning system. The temperature and humidity independent control centralized air conditioning system involves a first cold and heat source main machine, a second cold and heat source main machine, hydraulic modules, a tail end, and a ventilation unit, wherein each hydraulic module comprises a primary side pipeline, a heat exchanger and a secondary side pipeline, the primary side pipelines are connected with the first cold and heat source main machinethrough pipelines, and heat exchange is carried out on water in the primary side pipelines and water in the secondary side pipelines through the heat exchangers; the tail end communicates with the secondary side pipelines; and the ventilation unit comprises first heat pipe sections and cold and hot water coil pipes sequentially arranged in the air supply direction, and the cold and hot water coilpipes are connected with the second cold and heat source main machine through pipelines. According to the temperature and humidity independent control centralized air conditioning system, a fresh aircold and heat source and a radiation cold and heat source are independently configured so that the outlet water temperature can be independently adjusted according to different water temperature requirements of a ventilation system and a radiation system, and the comprehensive optimization of functional requirements and energy efficiency is guaranteed; and in addition, in the ventilation unit, fresh air is pre-cooled through heat pipe cooling sections, then 5 DEG C chilled water is adopted for cooling and dehumidifying the fresh air, and the dehumidifying effect under the adverse condition ofthe high humidity can be guaranteed.

The invention discloses a remote disaster tolerance system and a remote disaster tolerance method for an interactive television. The method comprises the following steps that a set-top box initiates a service data request message to a city gateway; the city gateway transmits a request to a city background management system; the city background management system notifies a city video server to transmit a stream; the city video server acquires service data from a city content caching system, and transmits the stream to the set-top box to satisfy the request of the set-top box; and the set-top box initiates a service data request message to a disaster backup gateway in case of an access failure during the request, and a disaster backup center provides service for the set-top box. When the service is failed to be locally provided for a user, the set-top box can be automatically switched to provide the service for the user by the disaster backup center to realize accurate user-level disaster backup, so that a certain module in the whole system is seamlessly switched with the other modules when failing, the crash of the whole system caused by the failure of a single point is avoided, and the stability and the reliability of the system are improved.

The invention discloses an unmanned aerial vehicle sowing device. The unmanned aerial vehicle sowing device comprises an unmanned aerial vehicle, a seed feeding assembly and a sowing assembly, whereinthe seed feeding assembly and the sowing assembly are mounted on the unmanned aerial vehicle. The seed feeding assembly comprises a seed box cover, a seed carrying box, a flow-guiding pipe and a flow-limiting baffle, wherein the top of the seed carrying box is fixedly connected with the seed box cover, the seed carrying box is fixed below a rotorcraft frame of the unmanned aerial vehicle throughthe seed box cover, the flow-guiding pipe communicates with the bottom of the seed carrying box, the electric flow-limiting baffle is arranged at the butt joint of the flow-guiding pipe and the seed carrying box, and the cross section of the flow-guiding pipe is controlled by the flow-limiting baffle to adjust the seed feeding flow of the seed carrying box. The sowing assembly comprises a sowing mounting plate and a sowing plate driven by a sowing motor, wherein the sowing mounting plate is fixed to rod pieces of a support frame of the unmanned aerial vehicle through detachable pipe clamps, the sowing motor is fixed to the sowing mounting plate and is in transmission connection with the sowing plate which is rotationally arranged relative to the sowing mounting plate, and the flow-guidingpipe of the seed feeding assembly is positioned above the sowing plate. The unmanned aerial vehicle sowing device has a reasonable structure, can adjust sowing effects of different seeds correspondingly, and ensures optimization of the sowing effects.

The invention relates to the technical field of information processing and discloses a business attribute value updating method. The method comprises the steps of extracting a business attribute value of a preset position region in a specified page; detecting whether the extracted business attribute value meets at least one preset condition or not; and if the extracted business attribute value meets the at least one preset condition, obtaining first numerical values according to the preset conditions, and correcting the business attribute value according to the obtained first numerical values, wherein the preset conditions at least include a condition that a current moment is in a valid period of the preset conditions, and a condition that the extracted business attribute value is greater than or equal to a maximum numerical value in the first numerical values. The invention furthermore provides a business attribute value updating system. Compared with the prior art, the method and the system have the advantage that the business attribute value can be automatically corrected, so that the benefit loss of a user caused by the fact that the user forgets to correct the business attribute value or does not know how to correct the business attribute value is avoided.

The invention discloses a network-on-chip topological structure and an implementation method thereof, the topological structure comprises a plurality of transmission layer routing nodes of a Tile structure, and parameters such as the number of ports, the number of virtual channels and the depth of port FIFO of the transmission layer routing nodes can be flexibly configured; through architecture design and layout planning based on Tile, the problems that hardware resources are greatly expanded, and physical design and rear-end implementation are difficult due to the fact that the number of switching matrixes of an on-chip network of an existing multi-core on-chip system is large and the scale is too large can be solved; according to the implementation method of the topological structure, through system modeling and performance optimization, optimized on-chip network transmission layer parameters can be obtained, key components of an on-chip network are directly converted into hardware circuits through a hardware generator, and it is ensured that the on-chip network PPA is optimized; according to the scheme, the delay of a message routing assembly line and a key path can be optimized, and the on-chip network can be ensured to work normally under a relatively high main frequency.

The invention discloses an OLED structure optimization design method and device and belongs to OLED field. The method includes the following steps: step 1, determining the working wavelength lambda ofOLED, the optical constant of each layer material of OLED, the initial design thickness value of each layer material of OLED and the azimuth of the main axis of anisotropic material in OLED, theta and psi; step 2, establishing the multi-layer stack optical model of OLED based on the parameters identified in step 1 and adjusting the thickness of cathode, cathode finish layer, luminous layer, holetransport layer, hole injection layer, anode and the layer to be optimized in the substrate. The simulation test is conducted to obtain the external coupling efficiency of OLED at different structurethicknesses and determine the maximum structural thickness of external coupling efficiency. The device is used to executive the above method. The method has the advantages of simple principle and easy-to-operate and can realize the simulation optimization calculation of OLED structure dimension.

The invention discloses a method for measuring reliability of an electromechanical product and relates to a digital computation method which is specially applicable to specific application, in particular to a method for measuring the reliability of the electromechanical product based on a cloud theory. The reliability is measured and analyzed on a singlechip under the condition that stress data and strength data of the electromechanical product are provided. The method comprises the following step of establishing a reliable credibility curve, wherein the curve function is that: incomplete credibility of information is reflected on cloud thickness by means of thought of the cloud theory, the H(k) is clouded, reliable credibility cloud distribution Hi(k) is established, and an output result is intuitively displayed through a computer. By the method, the reliability of the electromechanical product is measured, random information can be processed, information and incompletely reliable information can be obscured, and the defect that the incompletely reliable information is not processed by a product reliability measuring scheme in the prior art is overcome.

The present invention provides a method and a device for calculation of a circuit router, and relates to the communication field. The experience of business users of data centers can be improved whencross-domain dedicated access business is established between the data centers. The method comprises the steps that: a controller collects topological parameters of a whole network, wherein the topological parameter are configured to reflect the connection relation of nodes in the whole network and work performances of links between the nodes; and the controller calculates a circuit router from aninitial node and an end node according to the topological parameters of the whole network.

The present invention discloses a multi-domain network dynamic domain sequence cross-domain routing calculation method and device, and relates to the field of automatic switched optical network multi-domain routing calculation. The method comprises the following steps of: performing abstraction aggregation through total-connection abstraction and inter-domain linkage of a multi-domain network to construct a total-connection abstraction aggregation topology; performing linkage cost mapping in the total-connection abstraction aggregation topology; based on the total-connection abstraction aggregation topology and the linkage cost mapping, calculating a domain sequence; and employing the domain sequence to calculate and obtain a cross-domain path. The device comprises an abstraction aggregation topology construction module, a linkage cost mapping module, a domain sequence calculation module and a cross-domain path calculation module. The multi-domain network dynamic domain sequence cross-domain routing calculation method and device can guarantee the accuracy and the optimization of the domain sequence calculation through a reasonable domain sequence selection scheme so as to meet an ASON (Automatically Switched Optical Network) 'automatic switched' principle and allow the intelligence of the ASON to be more highlighted.

The invention relates to an unmanned vehicle communication system, belongs to the technical field of unmanned driving, and solves the problems that an existing intelligent vehicle communication systemis weak in structural expandability and low in data transmission efficiency among modules. The system comprises an upper-layer communication system and a bottom-layer communication system, and the upper-layer communication system comprises data exchange equipment, an Ethernet CAN conversion module and a CAN1 network; Wherein the data exchange equipment receives environment and positioning information and sends the environment and positioning information to the industrial personal computer, and the industrial personal computer generates vehicle operation control quantity, converts the vehicleoperation control quantity into CAN signals through the Ethernet CAN conversion module and sends the CAN signals to the bottom communication system through the CAN1 network; The bottom communication system comprises a CAN2 network and a CAN3 network, and the vehicle control unit receives the vehicle operation control quantity through the CAN1 network and performs information interaction with the energy controller; The whole vehicle controller is communicated with the whole vehicle control bottom layer driving equipment through a CAN2 network; And the energy controller communicates with the energy control bottom layer driving equipment through a CAN3 network. The system is convenient for function expansion, high in data transmission rate and low in network load rate.

The invention discloses a modular design method for a fir-shaped blade root blade groove of a turbine of a gas turbine, and relates to the fir-shaped blade root blade groove of the turbine of the gasturbine. The method comprises the following steps: establishing a standard fir-shaped blade root and blade groove library; screening out a standard blade root and blade groove profile from a standardfir tree type blade root and blade groove library; modeling the screened standard blade root and blade groove profile; further screening out a blade root and blade groove profile according to geometric constraint conditions; adjusting a non-working surface gap and a groove bottom gap of a blade root blade groove profile; establishing a three-dimensional model of the turbine blade and the wheel disc of the gas turbine, setting a safety standard, outputting a blade root and blade groove profile meeting the safety standard, and if no blade root and blade groove profile meeting the safety standardexists, not outputting; and giving an objective function, and outputting a blade root and blade groove profile which enables the objective function to be minimum. Standardized design of the blade root and blade groove structure is achieved; and the design method is short in design period, and the obtained blade root and blade groove structure has high reliability.