489results about How to "Achieve coordination" patented technology

The invention relates to a multi-factory cooperative scheduling optimization method during equipment manufacturing. The method is a multi-agent and improved ant colony algorithm-based scheduling model and algorithm and is characterized by comprising the following steps of: establishing a multi-agent-based scheduling system model framework; introducing a genetic algorithm into the ant colony optimization process and establishing the improved ant colony algorithm to support the scheduling decisions of the agents and determine production equipment, a processing order and processing time for each workpiece task of a manufacturing system. The method has the advantages of optimizing the target, shortening the completion time of the workpiece task, improving the utilization rate and production efficiency of the equipment along with simple operation, high convergence rate and high convergence performance; moreover, the method is suitable for a multi-factory cooperative manufacturing process and the common production process of the common manufacturing enterprise as well, realizes coordination among a plurality of manufacturers producing the same product during the manufacturing by optimal task allocation and scheduling, has a wide application range and is suitable for popularization and application.

The invention relates to a modularized multi-level converter sub-module control and protection method. The control and protection method comprises the following processing modes: in four control models of a sub-module, executing different control and protection logics by using a sub-module controller; generating a sub-module internal interface output signal, detecting an input signal and diagnosing a plurality of faults; executing control and protection actions by using the sub-module controller according to an action priority level; detecting the voltage of an energy storage capacitor C by using the sub-module controller; and performing asynchronous serial communication between the sub-module controller and a valve-based controller. In the method, a complete and intelligent control and protection scheme is designed aiming at the structure of the modularized multi-level converter sub-module, the coordinated control and protection of the overall sub-module can be realized, so that the stable and reliable operation of the sub-module in a converter and the coordinated matching with an overall control and protection system of the converter are ensured.

Methods and systems are provided for operating an engine including an SCR catalyst downstream of an exhaust turbine and a particulate filter upstream of the turbine. In one example, the method comprises, adjusting a turbine wastegate to adjust a catalyst temperature to a desired catalyst temperature.

The invention discloses a global satellite navigation system multimode radio frequency receiving method and apparatus for military and civil use, pertaining to the radio frequency communication technique field. The method provides a frequency programming in which the different narrowband signals are as mutual mirror-images of a mirror-image inhibition receiver, according to the civil narrowband signals passing through the mirror-image inhibition receiver, under the control of a time division multiplexing control system, the local oscillation frequency input from a frequency synthesizer to a radio-frequency frequency mixer and baseband frequency mixer can be periodically switched, thereby realizing the multimode paralleling receiving of the narrowband signals; while the broad band signals pass through a direct lower frequency conversion receiver, selecting a local oscillation frequency of the radio-frequency frequency mixer identical to the center frequency of the wideband GNSS, thereby realizing the receiving of each wideband mode signal for military use; the apparatus includes a mirror-image inhibition receiver and a direct lower frequency conversion receiver. The invention implementing compatibility and coordinating performance for military and civil use, and also can close the military or civil passage way for implementing the low-power consumption application requirement.

The invention discloses a distribution network construction and management system in villages, relating to an intelligent distribution network construction and management system in villages. The intelligent distribution network construction and management system in villages comprises a system master station, a communication network and a far-end field device, wherein the system master station comprises a communication unit, a main service system, a database platform, a remote meter reading unit, a monitoring unit, a management center and a customer service center; and the far-end field device comprises a distribution monitoring terminal, an intelligent residual current operated protective device, a reactive power compensating controller and an intelligent electric energy meter. The distribution network construction and management system provided by the invention can intelligently monitor and protect lines and equipment safety, automatically isolates and quickly restores faults, provides communication guarantee for power supply area all standing, precisely positions and navigates line equipment perambulation and service, and integrates various functions, thereby initiating a new mode for intelligent distribution network construction and management in villages and realizing the function of low-voltage remote meter reading and management of insulated intelligent village power grids with small volume, densely-covered points and short radius.

The invention discloses a planning method and device for an active power distribution network. The planning method comprises the steps of establishing a network frame planning model of the active power distribution network with the lowest comprehensive economic cost serving as the target and a first vector of the feeder line type and a network topology of a representation system serving a control variable; establishing a DG configuration model of the active power distribution network with the optimal improvement degree of the 'load flow-voltage-network loss' comprehensive coordination degree between a DG device and the active power distribution network serving as the target and with the installation position of the DG device in the presentation system and a second vector of the configuration unit number of the installation position serving as a control variable; conducting iteration solving on the network structure planning mode and the DG configuration model through a preserved algorithm to obtain an optimal solution of the first vector and the second vector, and making the optimal solution serve as a planning scheme of the active power distribution network. From the point view of overall coordination planning of the distribution generation device and a network structure, the optimal coordination of the development of a power grid and the DG device is achieved while the power grid has good economical efficiency as a whole.

The invention discloses a vision auxiliary device and method for automatic landing of an unmanned aerial vehicle, and relates to the field of unmanned aerial vehicles. The problems that according to an existing vision auxiliary device which acquires and recognizes runways and the horizon through an airborne photographing device so as to sense the landing posture of the unmanned aerial vehicle, due to the lack of a multi-scale analysis mechanism, the landing requirement cannot be easily met, the posture and position calibration effect is poor, and deep prediction of the movement behavior of the unmanned aerial vehicle lacks are solved. The vision auxiliary device comprises a two-shaft rotary table, a rotary table motor, a power module, a single-view fixed-focus camera, a vision auxiliary information processing module and an information storage module. The vision auxiliary information processing module comprises a landing track re-planning module, a data comparator, an information filter, a computer vision processor based on image control, a computer vision processor based on position control, a first feedback correction device, a second feedback correction device, an information fusion parameter extractor and an RS485 communication interface. The vision auxiliary device is simple in structure, low in power consumption, high in efficiency and good in compatibility.

The invention relates to a coating line with full-automatic control and manual spray coating. A linear speed-multiplied conveyor chain is disposed on a ground surface manual operation plane; an inlet of the conveyor chain is a to-be-sprayed area; the end of a workpiece charging conveyor chain is a workpiece discharging area; a coating production line, a turning platform and another coating production line are orderly disposed between the to-be-sprayed area and the member discharging area; the structure of a spraying chamber, a leveling chamber and a drying chamber is that the spraying chamber, an inlet lifting device, the leveling chamber, the drying chamber, a cooling chamber, and an outlet lifting device are orderly disposed on the conveyor chain from the inlet to the outlet; throughout the whole conveyor chain, accumulating systems are disposed at stations with manual operation, and the accumulating systems are connected with an externally-disposed full-automatic control system. The coating line realizes that the coating work of a workpiece can be accomplished from charging of the workpiece and through the production line; stepwise rhythmical production is realized; the production efficiency is greatly improved; problems of large land occupation and disordered production sites caused by on-site part cross transfer are prevented.

The invention discloses a regional energy interconnected distribution network system based on a power routing technology. Regional power routers, variable-voltage power routers and branch power routers serving as core node devices are networked hierarchically to form a regional energy interconnected distribution network composed of an interconnected centralized control layer, a variable-voltage separate control layer and an interface extension layer which are distributed in a centralized manner and combined. The regional power routers are accessed into a traditional distribution network through a medium-voltage special line or a feed line to carry out AC-DC conversion to form medium-voltage AC and medium-voltage DC ring networks. The variable-voltage power routers are connected to medium-voltage AC and medium-voltage DC buses through medium-voltage AC and DC grid interfaces, and have the ability of AC-DC energy conversion and voltage transformation. AC and DC interfaces classified by function are formed on the low-voltage side, and the low-voltage AC and DC interfaces are extended through the branch power routers. The power routers are networked hierarchically and accessed into thetraditional distribution network. The permeability of distributed clean power generation can be further enhanced, and the requirements of different users for flexibility and power supply reliabilityare satisfied.

The invention discloses a neural network proportion integration (PI)-based intelligent temperature control system for a sand dust environment test wind tunnel, which is characterized in that: (1) a neural network system structure is established; (2) the blended learning and training on neural network parameters is performed; (3) PI control is performed; and (4) amplitude limiting processing is performed. Control variable coordinated control factors are obtained by combining a PI controller and a neural network and using the self-adaption of the neural network and capabilities of off-line learning and on-line learning so as to effectively determine main control equipment and auxiliary control equipment. Coordinated effective control on controlled object temperature is performed through the PI controller; and after the PI controller outputs a control variable, amplitude limiting processing is performed on the controlled variable by using an S function, so that the control variable is optimized. The system overcomes the influence of poor coordination on control in the prior art, improves the reliability and the coordination of the control, broadens the application range, and can also be used for coordinated control of output signals of other sensors.

The invention relates to a high-yield mulberry cultivation method. A local 'Qinzhou mulberry' variety in Guangxi province serves as a rootstock and the 46CO19 bred in Taiwan serves as a scion. The cultivation method includes soil preparation, seedling culture and grafting, nursery stock processing, planting, pruning and cutting, field management, pest control, mulberry management in blossom and fruiting periods and the like. The mulberries cultivated through the method are developed in root system, cultivate in moisture and multiple in branches and fruits, the sugar content is 9.2-14.5%, the acidity is 4.5-6g/L, the pH is 3.7-4.4, the juice yield is 72-78%, the mulberries can be eaten freshly and processed, can cultivate silkworms after fruit picking, and are suitable for being planted in barren soil in mountain areas in Guangxi province to improve restore ecological environments and increase incomes of mass peasants in poverty-stricken areas.

The invention discloses an intelligent building integrated management platform, and the platform comprises a user terminal, a data processing center, an interface adaption terminal and a database. Theuser terminal achieves the access of a user instruction, achieves the monitoring of the information state of an intelligent building according to the user instruction, receives and displays an alarmuploaded by a weak electronic system, and is used for integrating the control information and state information of the weak electronic system at one interface for display. The interface adaption terminal is used for protocol adaption. The data processing center is used for processing a request of the connected weak electronic system, and achieving the real-time interaction of data according to theaccess instruction of the user terminal, the database and the information inputted through the interface adaption terminal. The database stores an intelligent building electronic map, a pre-subsystemlinkage relation table, a linkage plan, an event priority list, and the response delay corresponding to each priority. The platform enables all weak electronic systems to be integrated for managementand linkage, thereby saving the manpower, and improving the quick response capability of the intelligent building to actual events.

The invention discloses a UHV DC converter station dynamic reactive power optimization method in consideration of the coordination function of a phase modifier and a system filtering requirement. Themethod comprises main steps of: 1) establishing a UHV DC converter station dynamic reactive power optimization model M; and 2) by using a hybrid reactive algorithm of dynamic reactive power optimization, calculating the UHV DC converter station dynamic reactive power optimization model M to optimize the UHV DC converter station. According to a DC transmission power plan and a system dynamic reactive standby requirement, the method enables the remaining capacity of a phase modifier to participate in the steady-state reactive voltage adjustment of the converter station, and takes account that the phase modifier has high upper and lower adjustment margins, thereby realizing the coordinate of the phase modifier and the DC system to fully utilize the performance of the phase modifier.

The invention discloses an active power distribution network control strategy and method. The method includes the following steps that firstly, all circuits and distributed power source information are initialized; secondly, t is equal to zero, and initial load flow calculation preparation is conducted; thirdly, the changes of P and Q are compared, whether load changes exist or not is judged; fourthly, normal operation is conducted, and adjustment is not made; fifthly, primary adjustment of a system is conducted; sixthly, secondary adjustment of the system is conducted; seventhly, frequency control is conducted; eighthly, voltage control is conducted; ninthly, active output and reactive output are adjusted, and the offset is adjusted; tenthly, a new round of load flow calculation is prepared. According to the active power distribution network control strategy and method, global optimization can be achieved only with the communication of local information, the control efficiency is improved, and the control cost is reduced; due to the layered control over an active power distribution network, the logic and the function of protection can be verified more comprehensively, more efficiently and faster, the functions of control and protection are fully developed, the safe and reliable operation of a power grid is ensured, the debugging manpower and the debugging material resources are greatly saved, the production cost is lowered, and industrialization, application and popularization in the future are facilitated.

The invention relates to a combinational processing technique of deck radial flow, comprising the following steps: firstly, performing oil removal and sedimentation processing on the collected deck radial flow, then, introducing the processed radial flow to a planting slope, and introducing the radial flow to an artificial wet land for biochemical treatment. The processing device comprises an oil removing tank, a sedimentation tank and the artificial wet land, wherein a water outlet of the oil removing tank is connected with a water inlet of the sedimentation tank; the planting slope is arranged between the sedimentation tank and the artificial wet land; the water outlet of the sedimentation tank is higher than the slope top of the planting slope; and the bottom of the planting slope is opposite to the water inlet of the artificial wet land so that the radial flow flowing down from the planting slope enters from the water inlet of the artificial wet land to the artificial wet land through the bottom of the planting slope. The invention can improve the efficiency of processing the pollution of deck radial flow.

The invention discloses a sub-area multi-intersection group decision-making control method. The method comprises: based on a traffic flow continuity idea, bringing forward an adjacent intersection coordination rate, and giving a calculation formula of the adjacent intersection coordination rate and a sub-area multi-intersection total coordination rate; through research into a sub-area multi-intersection group intelligent coordination control strategy, designing a sub-area multi-intersection group decision-making control optimization architecture, and bringing forward an adjacent intersection decision-making control method and model; and by taking the size of the sub-area intersection total coordination rate as a signal timing basis, establishing a sub-area multi-intersection group decision-making control model, constructing a common signal period, a green ratio and a phase difference colony optimization function, designing a signal timing optimization process, and bringing forward an optimization algorithm based on genetic algorithms-simulated annealing such that sub-area multi-intersection group coordination control is realized. The method provided by the invention is applied to sub-area multi-intersection signal timing optimization under various traffic states of a medium-sized city, can improve the area coordination control capability, effectively reduces parking frequency and driving delay, and alleviates traffic congestion.