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42results about How to "Guaranteed full control" patented technology

3DGIS+BIM-based road network operation comprehensive monitoring management platform and method

The invention relates to the field of wisdom traffic information management and provides a 3DGIS+BIM-based road network operation comprehensive monitoring management platform and method. The platform comprises a 3DGIS+BIM fusion interactive application module, and a server module, a cloud service module, a video and event monitoring module, an electromechanical device module, a VR interactive module, a communication module, an emergency plan response module and a management and maintenance data analysis prediction module connected with the 3DGIS+BIM fusion interactive application module; the platform further comprises a data collection and transmission module and a sensor module; and the video and event monitoring module, the electromechanical device module and the sensor module are all connected with the server module through the data collection and transmission module. According to the platform and the method, comprehensive mastering of operation dynamic information can be effectively guaranteed; an emergency event can be timely discovered, quickly responded and effectively linked and handled, so that the management efficiency is greatly improved, the energy is saved, and the operation security is ensured; and in combination with the electromechanical device and control modules, operation management is orderly carried out, and intelligent and efficient operation management is achieved.
Owner:四川藏区高速公路有限责任公司 +1

Device and method for detecting pollution of insulator by image analysis combined with ultrasonic principle

The invention discloses a device for detecting pollution of insulator by image analysis combined with an ultrasonic principle. The device comprises a collecting unit, a host machine and a computer provided with an insulator pollution fault analysis system, wherein the collecting unit is connected with the host machine through a signal transmission line and comprises an ultrasonic wave signal sensor, a high power high precision telescope camera, a temperature sensor and a humidity sensor. The host machine comprises an AD (Analogue to Digital) converter, an amplifier, a filter and a controller. The method for detecting pollution of insulator by image analysis combined with the ultrasonic principle and the corresponding instrument and device can judge the grade in real time for the insulator pollution degree, pre-warm pollution flashover immediately and carry out normalized management on insulator quality and condition of the power transmission line, thereby effectively inhibiting safe operation accidents caused by fault of the insulator. Therefore, realization and popularization of the invention generate huge direct and indirect economic and social benefits to safe and stable operation of a power grid.
Owner:ZHUMADIAN POWER SUPPLY ELECTRIC POWER OFHENAN

Road network operation electromechanical equipment interactive control platform and method based on 3DGIS+BIM

InactiveCN107330078ARealize an interactive bird's-eye viewAchieve infinite scalingGeometric CADClosed circuit television systemsVideo monitoringGeographic information system
The invention relates to the field of intelligent transportation information management, and provides a road network operation electromechanical equipment interactive control platform and method based on 3DGIS+BIM. The platform includes a 3DGIS+BIM fusion interaction management module, a sensor module, a video monitoring and event monitoring module, an electromechanical equipment module and an emergency plan response module, wherein the sensor module, the video monitoring and event monitoring module, the electromechanical equipment module and the emergency plan response module are connected with the 3DGIS+BIM fusion interaction management module; the electromechanical equipment module includes electromechanical equipment, an intelligent control module, a state feedback module and information issuing module, the emergency plan response module is connected with the electromechanical equipment module, the state feedback module of the electromechanical equipment module is connected with the 3DGIS+BIM fusion interaction management module. According to the platform and the method, in an BIM model and a three-dimensional geographic information system, the functions of visualization interaction control, fast response, dynamic display and linkage disposal of the electromechanical equipment can be achieved, the comprehensive interaction management efficiency of the electromechanical equipment can be significantly improved, the management of the electromechanical equipment is orderly and feasible, and the intelligent and efficient operational management level of the electromechanical equipment in the traffic engineering is reached.
Owner:四川藏区高速公路有限责任公司 +1

Access control method of user private data of online social networks

ActiveCN105721433ASolve the problem of not being able to control the indirect sharer's access to the objectGuaranteed full controlData switching networksIdentity recognitionData access control
The invention provides an access control method of user private data of online social networks. The method comprises steps of / that when a data creator creates an object shared to a social network, encrypting the client by use of a system public key thereof and a defined access control strategy and loading the encrypted object and the access control strategy to a social network server; each user of the social network has a unique identity identification code and an attribute set including subjective attributes and objective attributes of the user; and when an indirect sharer does not have direct social relationship with the data creator makes a request for sharing of the object towards a direct visitor who has obtained the object, by judging whether the objective attribute of an indirect visitor satisfies the access control strategy defined by the data creator, controlling the visit of the indirect visitor. According to the invention, while encryption and storage of user data on a server end are achieved, requirements on access control of fine granularity and sustainability are met, so a problem that the data creator fails to control the indirect visitor to visit the object in the prior art is solved.
Owner:HENAN UNIV OF SCI & TECH

Intelligent clothing store management method and system

The invention relates to the intelligent retail field, in particular to an intelligent clothing store management method, comprising the following steps: fitting data is collected and the fitting datais sent to the cloud together with the store data to receive clothing display suggestions fed back from the cloud; When the customer brings the fitting clothes into the fitting room, the product information, pictures and preset collocation of the clothes are displayed to the customer, and the customer's shopping guide assistance request is responded to. The invention also provides an intelligent clothing store management system. The invention utilizes RFID technology and acceleration beacon to realize automatic collection of fitting data, which ensures that an enterprise can grasp the data ofa store at any time and anywhere and utilizes the data to improve the display of the store clothing, provides a reference for the enterprise to determine the design style, improves the fitting experience of customers and promotes the sales of the store through a fitting machine. And garment enterprises can customize the analysis dimension according to their own needs, and the cloud can analyze according to their own customized analysis dimension, which is more flexible.
Owner:联欣科技投资(广州)有限公司

Wireless channel state information collection method

A wireless channel state information collection method belongs to the technical field of wireless and mobile communication, and is characterized by comprising the following steps: performing unified format processing on a large number of channel information data samples obtained by channel estimation to form training samples; inputting the sample data into a prediction neural network to obtain a group of optimal parameters for the data set; judging to obtain the actual state of the current prediction precision by the aid of the prediction effect, and if the prediction precision does not meet the requirements, training to further optimize the parameters; and the channel state information obtained by predicting the network is applied to a sending end. The second characteristic of the methodis that the provided adaptive structure extreme learning machine (ASELM) algorithm can be used to adjust the change characteristics of the structure matching channel data of the network in a self-adaptive manner.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Device and method for examining and repairing insulator contamination through combining image analysis with ultrasonic principle

The invention discloses a device and method for examining and repairing insulator contamination through combining image analysis with ultrasonic principle. The device includes a trolley with the bottom provided with universal idler wheels and a supporting rod arranged on the trolley and rotatingly connected with the trolley; the trolley is provided with a horizontal driving mechanism for driving the supporting rod to rotate; the supporting rod is provided with an angle adjustment rod in rotary connection; the supporting rod is provided with a vertical driving mechanism for driving the angle adjusting rod to rotate; a free end of the angle adjusting rod is provided with a laser lamp, an ultrasonic sensor and a high-magnification and high-precision telescope camera. Firstly, an insulator is subjected to surface image acquisition and fault acoustic acquisition respectively; then corresponding importing, comparison analysis and fault diagnosis are carried out by an insulator contamination fault analysis system; and finally, the analysis results of the two aspects are synthesized, the reports of insulator contamination status and fault are obtained, and an insulator string with contamination is subjected to electrified cleaning examining and repairing.
Owner:HENAN HONGBO MEASUREMENT & CONTROL

Recognition method for finding dynamic target in air in real time

The invention relates to a recognition method for finding dynamic target in air in real time, and deeper features can be automatically extracted and learned. According to the technical scheme, target activity rules, aerial target data feature expression, behavior rule discovery and knowledge accumulation based on hierarchical classification are realized, and an aerial target behavior feature structure system platform is constructed; aiming at the target data of which the behavior intention is mastered and target behavior rule analysis, a target behavior rule model which are composed of a data preprocessing module, a track mining module and a track element statistics module can be constructed; the data preprocessing module is used for screening target numbers and cleaning target behavior data, and the track mining module is used for calculating classic tracks and track similarity for each classified track to generate classic track data; and the track element statistics module determines the position and the movement track of a target by means of a sequence image of the target, longitudinally compares the movement of the target, and obtains a saliency detection target of the image in a frequency domain.
Owner:10TH RES INST OF CETC

Control method of clothes treating apparatus and clothes treating apparatus

ActiveCN110241592AObtain vibration information at all timesCleaning effectTextiles and paperLaundry driersControl systemEngineering
The invention discloses a control method of a clothes treating apparatus. The control method includes the steps of judging the cleaning operation executing moment of a broken thread filtering device of the apparatus in the apparatus operation process, establishing a cleaning moment judgment evaluating system through a control system of the apparatus when the apparatus is started, determining an evaluating object of the evaluating system, determining an evaluating index of the evaluating system, obtaining the state score of the evaluating system according to the evaluating object and the evaluating index, and judging whether the cleaning operation is conducted on the broken thread filtering device through the control system according to the state score. The invention further discloses the clothes treating apparatus controlled according to the method.
Owner:QINGDAO HAIER WASHING ELECTRIC APPLIANCES CO LTD +1

Power transmission line crossing construction method based on unmanned aerial vehicle modeling and BIM technology

The invention discloses a power transmission line crossing construction method based on unmanned aerial vehicle modeling and a BIM technology. The method comprises the following steps: making a kml file according to the design and retest data in the initial stage of a project, and agreeing and determining a preliminary construction scheme in combination with a site survey condition; the RTK unmanned aerial vehicle is used for carrying out oblique photography route planning and live-action collection on the crossing site; a site-crossing refined three-dimensional model is generated by means of big Xinjiang intelligent graph software and intelligent 3D software; on the basis of the BIM technology, models such as an iron tower, a crossing frame and a blocking net are built and fused with the on-site three-dimensional model; carrying out a collision test, and optimizing the layout and the construction process; a BIM model dynamic demonstration function is utilized, a time axis is inserted according to a construction progress plan, and a BIM dynamic model is manufactured to carry out crossing scheme rehearsal and safety technical disclosure. According to the invention, the high-speed railway and the expressway can be regarded as an integral spanned object for simultaneous spanning construction, and the problems of site limitation and repeated entry and exit of personnel during respective spanning are solved.
Owner:POWER CHINA HENAN ENG CO LTD

Municipal engineering traffic accident processing system and method based on 3DGIS+BIM technology

The invention discloses a municipal engineering traffic accident processing system and method based on a 3DGIS+BIM technology. The municipal engineering traffic accident processing system comprises adecision system, an execution system connected with the decision system, a power system and an information system; the decision system comprises a 3DGIS+BIM fusion management and control module, a VRinteraction module, a server module and a real-time road condition and event monitoring module; the execution system includes a traffic accident intelligent decision module, a traffic light signal control module and a municipal engineering traffic accident emergency processing device; the power system includes an electromechanical device module; the information system includes an information release module. The core of the municipal engineering traffic accident processing system and method is the 3DGIS+BIM fusion management and control module. By establishing a municipal engineering three-dimensional BIM model, all-direction observation of municipal engineering traffic accidents can be realized, decision makers and managers can grasp the whole situations, and electronization and informatization management of municipal engineering based on the BIM model is realized.
Owner:中旺建工集团有限公司

Corn special-purposed composite fertilizer application method

The invention relates to a corn special-purposed composite fertilizer application method. The method comprises the step that a composite fertilizer is applied in a field in a corn growth period. The composite fertilizer comprises a nitrogen fertilizer, a phosphorus fertilizer and a potassium fertilizer. The method is characterized in that a potassium fertilizer application amount in unit area of field is as shown in the formula. In the formula, CorpK-out is the mass of potassium brought out of the field when the corn in the unit area of field is harvested. EnvK-in is the mass of potassium entering the unit area of field from the environment. RatK-out is potassium loss rate of the unit area of field. alpha is a potassium fertilizer application correction coefficient, wherein alpha=standard available potassium content / field soil available potassium content. With the above technical scheme, the fertilization amount recommended by the invention assists in providing supplementation in nutrient absorption during a corn growth period, and assists in providing supplementation for soil nutrient loss during the corn growth period. Therefore, soil nutrient balance can be maintained, soil continuously supplying capacity is maintained, and corn high and stable yield can be ensured.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

Puzzle robot system for practical training and assessment method thereof

The invention relates to a robot system for practical training, and especially relates to a puzzle robot system for practical training. The puzzle robot system comprises a demonstrator and a robot; the robot is a six-axis industrial robot or a seven-axis industrial robot with an external shaft, wherein the tail end of the robot is provided with a male quick-change tool tray, and the demonstrator is connected with the robot; the puzzle robot system further comprises puzzle blocks; the puzzle blocks comprise multiple geometric blocks, and the blocks of each shape are not less than one specification; the puzzle blocks are placed on a block rack; a female quick-change tool tray is installed on a puzzle clamp; the puzzle clamp is used for grabbing the puzzle blocks; the puzzle clamp is movablyinserted on a tool rack; and a puzzle workbench is used for placing the spliced puzzle blocks. According to the puzzle robot system for the practical training provided by the invention, training of basic functions such as grabbing, transferring, positioning, rotating clamps, splicing and the like is realized through a puzzle, so that students can master planning and programming of a simple process, automatic completion of the simple process is achieved, the understanding of robot operation performances is improved, and a foundation is laid for advanced training.
Owner:JIANGSU HUIBO ROBOTICS TECH CO LTD

Crop special-purposed composite fertilizer application method

The invention relates to a crop special-purposed composite fertilizer application method. The method comprises the step that a composite fertilizer is applied in a field in a crop growth period. The composite fertilizer comprises a nitrogen fertilizer, a phosphorus fertilizer and a potassium fertilizer. The method is characterized in that a potassium fertilizer application amount in unit area of field is as shown in the formula. In the formula, CorpK-out is the mass of potassium brought out of the field when the crop in the unit area of field is harvested. EnvK-in is the mass of potassium entering the unit area of field from the environment. RatK-out is potassium loss rate of the unit area of field. alpha is a potassium fertilizer application correction coefficient, wherein alpha=standard available potassium content / field soil available potassium content. With the above technical scheme, the fertilization amount recommended by the invention assists in providing supplementation in nutrient absorption during a crop growth period, and assists in providing supplementation for soil nutrient loss during the crop growth period. Therefore, soil nutrient balance can be maintained, soil continuously supplying capacity is maintained, and crop high and stable yield can be ensured.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

Hoisting method of outer cover of main transformer

The invention discloses a hoisting method of an outer cover of a main transformer, which comprises the following steps: (1) preparing before hoisting; (2) trying to hoist: hoisting is slowly started to guarantee that all hoisting ropes are stressed; a round steel temporary positioning bar passes through four-corner bolt holes of the main transformer from top to bottom, and four sway ropes are tied on the top; the center-of-gravity shift condition of the main transformer is checked; a hoisting hole on a hoisting tool is adjusted according to the hoisting center-of-gravity shift condition; the optimum balance point of the hoisting cover is found; and the balance while hoisting the outer cover of the main transformer is guaranteed by utilizing a lever principle; (3) hoisting; and (4) hoisting back. In the hoisting course, the outer cover of the main transformer is vertically hoisted so as to accurately grasp the center of gravity, thus preventing from tilting and avoiding crash or damage in the courses of hoisting and reassembling, ensuring better safety performance of the whole cover-hoisting operation and improving operating efficiency and quality.
Owner:NANYANG POWER SUPPLY COMPANY OF STATE GRID HENAN ELECTRIC POWER

Wheat special-purposed composite fertilizer application method

The invention relates to a wheat special-purposed composite fertilizer application method. The method comprises the step that a composite fertilizer is applied in a field in a wheat growth period. The composite fertilizer comprises a nitrogen fertilizer, a phosphorus fertilizer and a potassium fertilizer. The method is characterized in that a potassium fertilizer application amount in unit area of field is as shown in the formula. In the formula, CorpK-out is the mass of potassium brought out of the field when the wheat in the unit area of field is harvested. EnvK-in is the mass of potassium entering the unit area of field from the environment. RatK-out is potassium loss rate of the unit area of field. alpha is a potassium fertilizer application correction coefficient, wherein alpha=standard available potassium content / field soil available potassium content. With the above technical scheme, the fertilization amount recommended by the invention assists in providing supplementation in nutrient absorption during a wheat growth period, and assists in providing supplementation for soil nutrient loss during the wheat growth period. Therefore, soil nutrient balance can be maintained, soil continuously supplying capacity is maintained, and wheat high and stable yield can be ensured.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI

Internet based Chinese character teaching system and teaching method thereof

InactiveCN105070119AMobileImproving the teaching mode of Chinese as a foreign languageElectrical appliancesUser inputInternet based
The invention relates to a teaching system, and provides an internet based Chinese character teaching system. According to the invention, Chinese character stroke order information inputted by a user is compared with Chinese character stroke writing order information in teaching curriculum by the system, a Chinese character teaching module interrupts input of the next stroke information if a certain Chinese character stroke information inputted by the user is detected to be wrong until the stroke order is inputted correctly. The system compares the stroke writing information with the order being inputted correctly with the writing rule information of strokes, the system interrupts input of the next stroke and prompts the user to input again and compare if writing information of the stroke inputted by the user is wrong, and if the stroke writing information inputted by the user is correct, the system moves to teaching of the next stroke until Chinese character teaching is completed. The internet based Chinese character teaching system and the teaching method thereof are applicable to teaching for Chinese character writing.
Owner:康泰

A device for detecting the strength of a limit block with a super shock-absorbing function

The invention discloses a device for detecting the strength of a limit block with a super shock-absorbing function, which comprises a workbench and supporting legs. The bottom of the workbench is equidistantly fixed with a plurality of support legs, and one side of the workbench is provided with a fixing mechanism. , and there is a fatigue test mechanism on the top of the workbench. This super shock-absorbing function limit block strength detection device is different from the existing technology. Before each use, the performance of the S-type tension pressure sensor is first tested, and the standard value Comparison, to ensure the mastery of the performance of the S-type tension pressure sensor. On the other hand, when the tensile performance of the rope deviates, the tension generated by the rope will be deviated within the same displacement of the limit block to be detected. Before each use, the tensile performance of the rope is detected by the tension detection mechanism. By comparing the standard value, and at the same time, the compensator is set at the terminal to compensate the performance of the S-type tension pressure sensor and the tension of the rope to ensure the accuracy and accuracy of the detection data. Intuitive.
Owner:NINGBO OAK AUTO PARTS

Automatic wagon cross beam detection device and method

The invention discloses an automatic wagon cross beam detection device and method, which belong to the technical field of overturning-type wagon tippers and tipping train wagon foreign body detectiondevices. The device and the method can effectively monitor a foreign body which is higher than the wagon when the wagon tipper trips bulk materials and derivative damages can be avoided. In the technical scheme, a driving platform part and a supporting part are both fixed on the ground according to mounting requirements, each component of the driving unit is fixed at a specified position of the driving platform, and hinging with a rotating part is realized through a shaft pin. The rotating part is connected with each component of the supporting part through connection spare parts such as a bearing and the pin shaft, a detection part is connected with the rotating part through a rotating shaft, a detection turning plate part realizes natural fall through self gravity, and cross beam detection requirements can be met. Each detection part and each rotation part are provided with detection systems, the detection systems and the wagon tipper system realize real-time communication, the operation is stopped at the first time once an abnormal phenomenon is found out, fully-automatic detection on the foreign body which is higher than the wagon is realized, the automatic degree is high, andthe device and the method can be adapted to the tipping operation environment.
Owner:国投中煤同煤京唐港口有限公司

Breakage-proof tea washing device for teaching

The invention relates to a breakage-proof tea washing device for teaching, which comprises an elastic clamp, wherein the tail ends of two clamping arms of the elastic clamp are symmetrically providedwashing ball half shells respectively, the washing ball half shells are buckled to form a complete washing ball, each washing ball half shell is provided with multiple through holes, the elastic clampis provided with a tightening ring, and the tail end of the elastic clamp is connected with a handle through a buffer spring; the handle is provided with a controller and a display screen, and one clamping arm is provided with an acceleration sensor which is connected with the controller at the initial section. The tea washing acceleration of a student can be measured through the acceleration sensor, and the difference between the measured acceleration and stored correct acceleration is compared, so that the tea washing speed and strength can be quantified, and the student is ensured to master correct tea washing actions effectively and quickly.
Owner:岳池县九龙小学校

Control system based on intelligent campus management

The invention relates to the technical field of intelligent campuses, in particular to a control system based on intelligent campus management, which comprises a control module, and a safety module, a course module, a payment module, an environment module and a positioning module which are electrically connected with the control module respectively. According to the invention, the problems that the school operation cost is relatively high due to the fact that different quantities of manpower need to be distributed for each post in the existing campus management, and the information transmission between the posts is lagged due to the fact that the information transmission between the personnel is not timely are solved.
Owner:云荟科(惠州)智能控制技术有限公司

Intelligent system for automatically judging mathematical and physical subjective questions

PendingCN112053265AGuaranteed full controlAdd distracting backgroundResourcesTest questionEngineering
The invention discloses an intelligent system for automatically judging mathematical and physical subjective questions, which belongs to the technical field of education evaluation. Starting from changing the structural form of subjective questions, the system not only ensures that the changed subjective questions and the original subjective questions have the same test effects of mastering the knowledge of students, developing the disciplinary ability, flexibly forming applied knowledge and the like, but also adapts to the identification technology of a computer.The test questions can be quickly and accurately judged. Meanwhile, an interference item is arranged at a score point, an interference background is added, and the structure of the test questions is changed into a multi-step combined choice question. According to the operation technology for achieving braked question judgment by changing the structure of the test questions, through practical application tests, when the same students with the same knowledge content and the same subject ability are tested, the test scores of the students have no obvious difference or no difference.
Owner:高岩峰 +1

Remote unlocking method and system

The invention discloses a remote unlocking method. The method comprises the steps that a control end sends an unlocking request to an electronic lock; an electronic lock generates a random password; the electronic lock encrypts the random password and sends the random password to the control end; the control end sends the encrypted random password to a server end; the server end decrypts the encrypted random password; the server end sends the random password subjected to unlocking designation and decryption to the electronic lock; when the decrypted random password passes the verification, enabling the electronic lock to execute an unlocking action. Compared with the prior art, the method has the following beneficial effects that the password is input through the panel and serves as a basic factor of cloud verification, and it is guaranteed that the unlocking password is mastered in the hand of a user. Through transformation, the original factor input by the user is protected to be random. Information encryption is completed through a key in hardware of the door lock and is transparently transmitted to the APP, and it is guaranteed that the APP cannot complete decryption and obtainsensitive information.
Owner:HANGZHOU TUYA INFORMATION TECH CO LTD

Multifunctional amblyopia correcting coordinator with IC (integrated circuit) management system

The invention relates to a multifunctional amblyopia correcting coordinator with an IC (integrated circuit) management system, belonging to the technical field of medical appliances. The invention has the technical scheme that the multifunctional amblyopia correcting coordinator with the IC management system is composed of an optical working portion and an electric working portion, wherein the optical working portion comprises an eyeglass, a red filter, a diaphragm, a picture, a light brush, a shell, a surface light source and the like; the electric working portion comprises an IC management control panel, a stabilized voltage supply, a lower box body, an operation panel and the like; the optical axis of the optical system formed by the eyeglass, the red filter, the diaphragm and the surface light source forms a 30-degree included angle with the horizontal plane; and a single chip microcomputer of the electric working portion is connected with a driver, a light adjusting controller, an IC radio frequency controller and a liquid crystal display through related interfaces. By adopting the IC management system to control the working condition of the instrument, a doctor can master the therapeutic process and effects, thus strengthening the management of a hospital on fee charging of the therapeutic process.
Owner:长春市光电仪器有限公司

A passive determination method of underwater glider platform motion trajectory

The invention discloses a passive determination method for a motion track of an underwater glider platform, and relates to a determination method for a track of the underwater glider platform. Passivetrack calculation of a carrier cannot be carried out at present. The method comprises the following steps of acquiring an average ocean current flow speed and a flow direction of an area where a glider is located according to an entry point location and an exit point location of the glider; computing a vertical movement speed of the glider; acquiring a posture transfer matrix of the glider; acquiring a posture and a posture transfer matrix of the glider at each moment; acquiring an instantaneous speed of the glider at the ith time point under the action of gravity and buoyancy according to the vertical movement speed and the posture transfer matrix of the glider; and acquiring a total speed of the glider according to the ocean current flow speed and the instantaneous speed, integrating the instantaneous speed to obtain three-dimensional coordinate information of the glider at each moment, and combining coordinates at all moments to obtain a glider movement track graph of a complete section. According to the method, the movement track of the glider in one movement profile is obtained, so that passive calculation of the track is realized.
Owner:HARBIN ENG UNIV

Semi-closed loop test method for voltage reactive automatic control system

A semi-closed loop test method for a voltage reactive automatic control system comprises the S01 stage of displaying a control window, the S02 stage of judging whether an operation order is executed or not, the S03 stage of inputting operator information, the S04 stage of judging whether the information is correct or not, the S05 stage of confirming operation rationality, the S06 stage of issuing the operation order, the S07 stage of judging whether the execution operation is correct or not, the S08 stage of judging whether the number of times of movement rejection exceeds the standard number of times, the S09 stage of giving up the operation order, the S10 stage of delaying for a period and the S11 stage of closing an operation window. The semi-closed loop test method for the voltage reactive automatic control system aims at guaranteeing safe production to the maximum degree, and a semi-closed loop test link is added, namely a manual intervention link is added, so that the method better guarantees the accuracy and the safety of the test process, and compared with an open loop test method and a closed loop test method, the semi-closed loop test method for the voltage reactive automatic control system is more convenient to implement and capable of achieving the set test target more easily.
Owner:STATE GRID CORP OF CHINA +1

Soybean special-purposed composite fertilizer application method

The invention relates to a soybean special-purposed composite fertilizer application method. The method comprises the step that a composite fertilizer is applied in a field in a soybean growth period. The composite fertilizer comprises a nitrogen fertilizer, a phosphorus fertilizer and a potassium fertilizer. The method is characterized in that a potassium fertilizer application amount in unit area of field is as shown in the formula. In the formula, CorpK-out is the mass of potassium brought out of the field when the soybean in the unit area of field is harvested. EnvK-in is the mass of potassium entering the unit area of field from the environment. RatK-out is potassium loss rate of the unit area of field. alpha is a potassium fertilizer application correction coefficient, wherein alpha=standard available potassium content / field soil available potassium content. With the above technical scheme, the fertilization amount recommended by the invention assists in providing supplementation in nutrient absorption during a soybean growth period, and assists in providing supplementation for soil nutrient loss during the soybean growth period. Therefore, soil nutrient balance can be maintained, soil continuously supplying capacity is maintained, and soybean high and stable yield can be ensured.
Owner:INST OF AGRI RESOURCES & REGIONAL PLANNING CHINESE ACADEMY OF AGRI SCI
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