2517results about How to "High implementability" patented technology

The invention discloses a method for recycling nickel, cobalt and manganese synchronously from a sulfuric acid leaching solution containing waste residues of nickel, cobalt and manganese. The method comprises the steps of firstly, removing iron and aluminum from the leaching solution through an oxidation and precipitation method; then, removing the element copper through extraction; then, extracting zinc; and finally, extracting nickel, cobalt and manganese synchronously with tributyl phosphate and saponified neodecanoic acid. By means of the method, nickel, cobalt and manganese in the leaching solution containing the waste residues of nickel, cobalt and manganese can be extracted and recycled synchronously; calcium and magnesium in a raw solution cannot exert an influence on the extraction process; separation cost for recycling the elements nickel, cobalt and manganese separately is lowered; and raw material cost for preparing a nickel-cobalt-manganese-salt ternary battery material is lowered.

The invention relates to an 802.11p and LTE/LTE-A based vehicle networking message propagation method, which is characterized in that a GPS information collection module collects the running speed, the running direction and positional information of a vehicle, a 802.11p communication module of a vehicle which is in the same road section and runs in the same direction and a 802.11p communication module located in an effective communication range form an Ad hoc network, vehicles in the Ad hoc network form a vehicle cluster, the cluster head sends a secure message to an LTE/LTE-A base station at a scheduled time interval, and the LTE/LTE-A base station updates a road table of the vehicle cluster; in an emergency case, vehicles in the same vehicle cluster use the 802.11p communication module to carry out message broadcasting, the cluster head sends the message to the LTE/LTE-A base station, and the LTE/LTE-A base station broadcasts the message to the cluster head of a related vehicle cluster according to the vehicle cluster road table. The 802.11p and LTE/LTE-A based vehicle networking message propagation method has the advantages of high practicability, low deployment cost and the like.

The invention discloses a prediction method of driving risk based on a hidden Markov model. The method comprises the steps of (1) classifying driving risk states through a cluster analysis method based on vehicle operating characteristics, (2) estimating the influences of a driver behavior and surrounding traffic environment characteristics on a transition probability between driving risk states through multiple logistical models for different driving risk states, (3) with a risk state as a hidden state, with an actual observed vehicle movement variable as a state output value, with multiple logistic model parameters as parameter initial values of a state transition probability matrix, establishing a hidden Markov chain model that reflects the evolution rule of driving states, and (4) obtaining the vehicle operating characteristics in real time and predicting a future risk state based on the hidden Markov chain model. According to the method, the hidden Markov model which can reflect the above characteristic real-time change and has a variable state transition probability is established, the accuracy and prediction accuracy of a driving risk model are improved, and the real-time requirements of anti-collision warning can be satisfied.

The invention relates to a method for processing the user contract information in strategy and charge controls, wherein said user via at least one access point AP uses network service; when user AP is activated, strategy and charge rule function solid PCRF sends the message with contract user mark to the contract rule base SPR; based on said user mark, obtaining the user contract information relative to activated AP. The invention also provides a method for refreshed user contracted information. And it also provides a processor for treating user contract information in strategy and charge controls. With said invention, the present PCC frame can support service more.

The invention relates to a signal coordination control method of a one-road and one-line direct movement type public transportation system and reaches the object that public traffic vehicles fully utilize the waiting time and the transit time during the course that the public traffic vehicles pass through crossings under 'the mode of one-road and one-line direct movement' through the coordinative control of all traffic signal lamps and the corresponding regulation of transit operation to improve transit efficiency of the public traffic vehicles and reduce the delay time of the public traffic vehicles. The concrete method is that signal period lengths Ci of all the crossings are calculated; a key signal period length C0 is identified and taken as the key signal period length of all the crossings; all corresponding split/green ratio Lambadas <J>i=y<J>/ sigma y<J>i of all the crossings are calculated; a bus line equivalent distance map which takes an X-coordinate as an equivalent distance axis and takes a Y-coordinate as a time axis is established; bus line direction green light starting time differences between terminal departure stations and initial departure stations or between the signal crossings and bus line direction maximum green time length are identified through a method of 'graphical solution' is improved; therefore, a public traffic vehicle dispatching time is identified.

The invention discloses a transformer station guide rail type inspection robot. The transformer station guide rail type inspection robot is characterized by comprising a guide rail arranged in a transformer station and a mobile dolly walking on the guide rail. The mobile dolly is provided with a central control module, and a holder, a motor driving module, a positioning module, an equipment information acquisition module, a communication module, a remote control module and a fault module which are connected with the central control module, wherein the equipment information acquisition module is used for obtaining information of detected equipment; the communication module is used for receiving data and communicating with a host computer; the holder is provided with a camera for acquiring onsite image information in the transformer station; and the central control module is used for controlling the driving of the mobile dolly and the holder, data processing and communication. According to the invention, the transformer station guide rail type inspection robot has the following advantages: power is supplied uninterruptedly, the requirement for non-contact type state monitoring of various equipment of the transformer station is satisfied, electric power equipment is monitored in an omni-directional mode, the operation is stable and reliable, and the maintenance cost of the guide rail is low.

The invention discloses a bend driving early warning method based on vehicular access synergy. Firstly, visibility information at the position of an inlet of a bend is detected, and load information, speed information, license plate number information and model information of vehicles passing through the position which is 100m away from the inlet of the bend are detected. According to the vehicle model information, the vehicle load information, bend radius information and bend transverse slope angle information, a bend passing vehicle speed upper limit value corresponding to each vehicle is obtained, a corrected bend passing vehicle speed optimum speed limit value of each vehicle is finally obtained by the combination between the bend passing vehicle speed upper limit value of each before correction and the visibility information, and the bend passing vehicle speed optimum speed limit value and a corresponding license plate number are jointly sent to a variable speed limiting notice board to be displayed. The bend driving early warning method based on the vehicular access synergy has the advantages of being high in operating rate and reliability, providing the reliable information for a bend driving speed limit sign, effectively assisting a driver in avoiding possible side-turning accidents, ensuring driving safety, being universally applicable to the bend driving environment, overcoming the defect of the high cost of a vehicle-mounted early warning mode in traditional methods, and being high in implementation performance.

The invention relates to a storage battery state of charge (SOC) estimation method based on extended Kalman filtering (EKF). The method comprises the following steps: performing performance testing on a storage battery through stepped discharge to obtain discharge currents and monomer voltage data in a discharge test process; based on test data obtained from step a, obtaining an open voltage-SOC function relation; based on the test data obtained from the step a, carrying out parameter identification to obtain storage battery model parameters of each discharge phase; based on the function relation obtained from the step b and storage battery model parameters of a first discharge phase, obtained from step c, estimating the SOC of the storage battery through an EKF algorithm; based on the SOC obtained from step d, after temperature compensation is performed, a final SOC is obtained; regularly performing internal resistance testing on the storage battery, and selecting the storage battery model parameters in the corresponding phases in the step c from measured internal resistance values; and obtaining a latest SOC through the step d and step e. The method provided by the invention can accurately and rapidly carry out SOC estimation.

The invention discloses a multi-user wavelength division multiplexing quantum key distribution network system and a secret key distributing and sharing method thereof. The system comprises an Alice control end, a pulse conveying line and a Bob user end. The secret key distributing and sharing method comprises two stages of secret key distributing and sharing, wherein Alice and a plurality of Bob users carry out quantum secret key distributing and storing, and secret key priority is set; and Alice uses a secret key with low priority for encrypting a secret key with high priority into a ciphertext, then the ciphertext is sent to a user with low priority, the user with the low priority uses the secret key with low priority for decrypting the ciphertext, and the secret key with high priority is obtained. The system is reasonable, convenient to operate and low in cost, users in a network are relatively independent, the stability of the secret key generating rate of a single user is guaranteed, the secret key generating rate cannot be decreased along with increasing of users, meanwhile, a two-level equal-difference frequency space wave length planning scheme and an accurate pulse delaying technology are used, and mutual interference of pulses between different users is removed.

The invention provides an on-site level radio testing system and a method thereof for the network debugging application of underwater sound sensors, which relate to the field of system tests. A backbone network of the testing system is built on the basis of a radio-frequency radio communication mode and comprises a trunk node (1) which simultaneously supports radio-frequency communication and wired communication, a convergent node (2) and a system administrative center (3) which simultaneously support the radio-frequency communication and the wired communication, and the trunk node (1) provides a wired communication interface for the communication of underwater sound communication testing nodes. The method comprises a uniform transmission mode of automatic framing data packets in different transmission agent, and a TDMA-based two-way transmission method of water surface radio-frequency radio communication. The method can be widely applied to tests in aspects, such as the study of algorism for processing signals of underwater communication systems and the study of the network communication protocol of underwater sound sensors.

The invention relates to a method for treating petroleum refining waste water. The method for treating petroleum refining waste water comprises the steps of a gravity oil-separating unit, a two-stage air floatation treatment unit, an anaerobic and aerobic two-stage biochemical treatment unit, a biochemical posttreatment unit and the like. Through the analysis of the specific implementation effect, the technical implementation effect of the method is much more excellent than the conventional technical standards. Compared with the prior art, the treatment effect of the method is obviously more excellent than the traditional process method; qualitative improvement on the quality of the treated water is achieved; the current newest national and local emission standard is completely met; and therefore, the method has a very wide application prospect.

The invention discloses a real-time monitoring method for the thermal efficiency and gas characteristics of a gas boiler. According to the method, basic gas characteristics are amended through real-time operating data of the boiler, so that real-time gas characteristics are obtained and applied to the calculation of the thermal efficiency of the gas boiler, and the real-time on-line monitoring of the thermal efficiency and the gas characteristics of the boiler is realized. The real-time monitoring method overcomes adverse effects caused by fluctuation of the gas characteristics on the calculation of the thermal efficiency of the boiler and is more accurate than a traditional method in which the thermal efficiency of the boiler is calculated by testing the gas characteristics regularly; an expensive on-line analyzer is not required to be additionally added on site, and the real-time monitoring method can be realized by fully utilizing existing conditions of a power plant and has good implementability and operability; and boiler operators can be guided by results in real time for optimization and adjustment, the economic operation of the boiler is facilitated, and the purpose of energy conservation and consumption reduction can be achieved.

The invention discloses a network coverage problem identification method and device, and a readable storage medium, which are used for solving the technical problem that the test effectiveness and accuracy of a network coverage problem in the prior art are relatively low. The method comprises the following steps: obtaining MDT sampling data of an MDT sampling point and corresponding signaling data; determining MDT sampling points with missing longitude and latitude information, and performing position backfilling processing on the MDT sampling points with the missing longitude and latitude information according to the corresponding signaling data so as to estimate longitude and latitude information for the MDT sampling points with the missing longitude and latitude information; performingindoor and outdoor scene recognition on a terminal user according to latitude and longitude information included in the MDT sampling data to obtain a scene recognition result; and fitting and displaying the scene identification result and the network quality index information of each MDT sampling point on a rasterized electronic map to present a network coverage problem identification result.

The invention provides a combination automatic control method with a single-joint manipulator under mixed suspension microgravity environments. The combination automatic control method comprises the following steps of 1, enabling a combination to be equivalent to an underwater robot, and establishing a kinematics equation and a dynamics equation; 2, approximating the dynamics equation of the combination by a radial basis function neural network, so as to obtain control force and control torque corresponding to the radial basis function neural network; 3, using a sliding mode control method, so as to obtain control force and control torque corresponding to sliding model control; 4, synthesizing the control force and control torque corresponding to the neural network and the control force and control torque obtained by the sliding model control method, and distributing thrust, so as to obtain a general vector which consists of thrust and joint torque of each propeller; approximating the thrust deviation of the corresponding thruster through the radial basis function neural network, so as to obtain the estimation value of the thrust deviation; 5, combining the results obtained in step 2, step 3 and step 4, obtaining the general vector consisting of the thrust and the joint torque of the corresponding propeller, and further obtaining the thrust and the joint torque of the corresponding propeller, so as to realize the automatic control.

The invention belongs to the field of water treatment material preparation and in particular relates to a preparation method and application of a silane coupling agent modified magnetic halloysite material. The method is characterized by taking halloysite as a template and adhering Fe3O4 particles to the surface of a halloysite nanotube by an in-situ synthesis method; mixing a silane coupling agent with halloysite/Fe3O4 and grafting the silane coupling agent onto the surface of halloysite through reaction. The method has the beneficial effects that the raw materials are cheap and accessible; a functional group on the surface of the silane coupling agent modified magnetic halloysite material obtained by the method is bonded with a matrix via chemical bonds, so the material has strong bonding force; the material has high thermal stability, is convenient and fast to separate and recover, can be recycled multiple times, can serve as an adsorbent for eliminating heavy metal pollution of printing and dyeing wastewater and enables that the treated printing and dyeing wastewater can reach the national wastewater discharge standards.

The invention provides a pulsar navigation method with a single detector, which comprises the steps that an X-ray detector on a spacecraft receives X-ray photons from four millisecond pulsars one by one and measures times when the X-ray photons arrive at the X-ray detector; the arrival times are saved as original observation signals; a doppler effect, a relativistic effect and Shapiro delay correction are performed; the arrival time of a pulse profile datum point is obtained; an observation equation of each corresponding pulsar is formed; and independent timing and positioning of the spacecraft are realized after resolving. The pulsar navigation method can accomplish absolute positioning of the pulsars with the single detector, and the positioning accuracy is high without secular error accumulation.

The invention discloses a quick bus signal priority cooperative control method of primary and secondary crossings, and is applied to a BRT (Bus Rapid Transit) system. The method comprises the steps that a plurality of detectors are arranged at setting positions of primary crossings for predicting the arrival time of buses in advance, the corresponding signal phase lengths of the crossings are adjusted in proportion, and the signal lamps of the crossings are controlled; and simultaneously, for the secondary crossings, the bus stop delay is converted into a space length, and cooperative control is carried out by amending the space distance in a path section and calculating green time difference. The method overcomes the disadvantage that a traditional signal priority control method does not consider crossing cooperation, and the total traffic efficiency of main line can be enabled to be optimal.

The invention discloses a system and a method of directly optimizing static-state intensity-modulated sub-field shapes and machine hop count thereof. The system comprises an input module, a data processing module, an optimizing module and an optimized result output module. According to requirements of radiotherapy plan constitutors, the system and the method automatically build corresponding objective functions, regulation of the sub-filed shapes is conducted through the genetic algorithm, optimization of sub-field weight is conducted through the conjugate gradient algorithm, the genetic algorithm and the conjugate gradient algorithm are alternated for optimization, and finally, the sub-filed shapes meeting requirements and the corresponding machine pop count weight of the sub-field shapes are obtained. By means of the method, each sub-filed shape in each radiation field direction, meeting the requirements, and the machine pop count of each sub-field shape can be rapidly obtained, and the optimized result is a sub-field array which can be directly implemented. The system and the method not only can effectively solves the precision problem existing in a traditional method, but also are simple to operate, and can improve plan drawing-up efficiency and plan implementation efficiency.

The invention discloses a method for improving storm surge disaster risk predication accuracy. The method comprises the following steps that a storm surge disaster scene is built based on a scene analysis method; a storm surge disaster three-dimensional numerical simulation method is provided; a multi-mode multiobjective flood refuge optimal path selection model is built; the provided storm surge disaster three-dimensional numerical simulation method specifically comprises the steps that (1) the three-dimensional network model of the regional terrain is built; (2) the SST k-omega flood routing three-dimensional turbulent model of a coupling VOF method is built; (3) a three-dimensional risk drawing is drawn based on the three-dimensional numerical simulation result. The factuality and the visualization effect of flood dynamic real-time flowing and disaster time distribution are increased; a multi-mode multiobjective emergency path decentralization model is used for further improving the completeness and reasonability of an emergency refuge system, a disaster contingency plan is effectively made, and a multi-module coupling, high-completeness and high-practicality storm surge disaster risk analysis system is provided.

The invention relates to a bus card swiping system, in particular to a bus card swiping system by applying cell phone two-dimensional code technology. The bus card swiping system successfully achieves the technical purpose that a cell phone can be used as a bus card under the condition that any change is not carried out on the cell phone. The system requires that a user registers a bus account first, logs in the bus account before taking on a bus, calls out a cell phone two-dimensional code page which contains account information of the user, and places the two-dimensional code page and swipes the two-dimensional code page on a two-dimensional code reading device (arranged in the front of the bus). The two-dimensional code reading device sends card swiping information to a bus company server through wireless networks. Through the server, a bus company can classify and summarize user swiping information sent to the server from each bus line and know operating conditions of each line; and the bus company can deduct bus-taking fees from a passenger account, change two-dimensional code information in the passenger account by utilizing certain algorithm and guarantee that the two-dimensional code can reflect balance information of the user account in real time.

The invention discloses a double-antenna A-GNSS receiving machine system. The double-antenna A-GNSS receiving machine system utilizes double antennae to perform positioning, the auxiliary antenna is arranged in the open sky to be positioned so as to extract code phases and carrier wave Doppler values in satellite signal digital channels, calculating satellite signal navigation message information and then utilizing the auxiliary information to assist baseband processing of a target antenna receiving signal. In the baseband processing process of the target antenna receiving signal, the code phase values and the carrier wave Doppler values are set according to the auxiliary information, the capture process and the frequency pulling process of a receiving machine system can be omitted, and tracking process is directly performed after code phase pulling. The coherent integration time is prolonged by eliminating the bit influence during tracking, the tracking accuracy and the sensitivity are improved by adopting pure phase-locked loop phase discriminator and other modes, and the positioning speed and positioning performance are finally improved in the weak-signal and complicated-signal environments.