71results about How to "Deterministic" patented technology

The invention discloses a byzantine-fault-tolerant consensus method applied to a block chain. The method comprises the steps of specifying a certain number of right and interest accounts and initial consensus accounts in an initiated block of the block chain; after a consensus process is started, for the height h of a current block, selecting a consensus account to initiate a proposal of a new block according to a fixed random algorithm in a consensus account list; receiving the proposal and voting a block with the height of h by other consensus nodes; within a period of time, if the number of votes exceeds eta 1, representing that a consensus is formed, and starting the consensus of a block with the height of h+1 in the next round; if the number of votes does not exceed eta 1 but exceeds eta 2, representing that the consensus is possibly formed, broadcasting a voting request of the block in the previous round, and continuing to wait for a period of time; and if the number of votes does not exceed eta 2, cancelling the proposal in the round and re-performing the proposal of the new block. Therefore, computing resources can be saved; a large amount of blocks can be continuously generated; and computing power competition is avoided.

The invention discloses a continuous trajectory planning transition method for a robot tail end. The method comprises following steps that firstly, a first line segment and a second line segment which need to be subjected to continuous trajectory planning transition are determined, demonstration points of a connecting line segment are determined, and the transition distance between the demonstration points and the first line segment and the transition distance between the demonstration points and the second line segment are determined; secondly, according to the transition distance between the demonstration points and the first line segment, first transition joint points on the first line segment are determined, and according to the transition distance between the demonstration points and the second line segment, second transition joint points on the second line segment are determined; and thirdly, an amplitude coefficient, a phase coefficient and a speed zooming coefficient are calculated in a coordinate axis, and the amplitude coefficient, the phase coefficient and the speed zooming coefficient are brought into a limited term sine position planning function to determine a transition curve expression between the first transition joint points and the second transition joint points. The algorithm flow is clear, the calculating time is greatly shortened, and the complex degree of a robot control system is reduced.

The invention discloses an electronic document generating and displaying method and apparatus. The method includes the steps of obtaining an electronic document data packet, wherein the data packet comprises page layout description information, content stream description information and resource description information of an electronic document; performing page layout on a display page according to the page layout description information; determining the content to be displayed and a display style according to the content stream description information and the resource description information; performing layout and displaying the content to be displayed in the display page on which the page layout is performed in accordance with the display style. By means of the electronic document generating and displaying method and apparatus, the certainty, flexibility and freedom on the layout and display of the electronic document can be obtained.

A wireless channel access control method based on a virtual token comprises the following steps of: A, a plurality of nodes are selected, one node is designated as a center node, the other nodes are called as wireless nodes, B, the center node generates a token, some wireless node is designated to hold the token, C, if the center node can monitor that the wireless node of some address uses the token, token passing succeeds, D, if monitoring fails, the token is re-passed for designated times or a data frame is broadcast, another node is designated to hold the token, E, the number of the nodes is updated, F, when the token is lost, the center node generates a token again, G, the nodes are monitored, the token is abandoned, the center node generates a token again, and H, Steps A-G are repeated. The method has the benefits that a secondary competitive mechanism is introduced, with the adoption of a node priority strategy, transmission requirements of emergency messages are met, the high reliability and timeliness of a network are guaranteed, and the effective utilization rate of the network is increased by data frame fusion.

The invention discloses a high-performance water-cooled microwave ablation antenna, comprising a radiation head, a medium pipe, a semi-rigid coaxial electric cable, a needle rod, and a metal outer guide bush sleeved on the tail part of the medium pipe, wherein the semi-rigid coaxial electric cable penetrates through the axis hole of the metal outer guide bush and then is connected with the radiation head, the front end of the metal outer guide bush is sleeved on the medium pipe, the front end of the needle rod is sleeved on the excircle of the tail part of the outer guide bush, and the outer guide bush is in ohmic contact with the outer conductor of the semi-rigid coaxial electric cable and the needle rod. According to the high-performance water-cooled microwave ablation antenna disclosed by the invention, the needle rod and the medium pipe are connected together through the metal outer guide bush, the outer guide bush is in ohmic contact with the outer conductor of the semi-rigid coaxial electric cable and the needle rod, so that the structure precision of the microwave ablation antenna is improved, the boundary condition of the spatial electromagnetic field source of the antenna is not instable and unknown any more, and therefore, the performance and the main property parameters of the ablation antenna tend to be consistent and have certainty, so that the stability, efficiency and reliability of the ablation antenna are further improved.

The invention discloses a drug intelligent management system comprising a personal information management unit which is used for managing personal basic information of users, a drug information management unit which is used for managing basic information of drugs, a patient information management unit which is used for managing basic information of patients, a supplier information management unit which is used for managing basic information of suppliers, a user setting unit which is used for setting the user information, a data dictionary unit which is used for expressing various data descriptions, a drug adding unit which is used for drug supplementing, drug adding and automatic acquisition of the drug information and recording of the ID addresses of the added drugs, a drug taking unit which is used for enabling the users to fetch the drugs through vital signal identification according to doctor's advice prescriptions, a drug statistical unit, a drug recovery unit and a safety monitoring unit which are connected with each other. With application of the drug intelligent management system, the following beneficial effects can be realized: the drugs can be automatically managed so that the drug intelligent management system has certainty and safety and is simple and convenient to work and labor-saving.

The invention discloses a real-time control method for asynchronous messages of a 1553B bus. An IP core (intellectual property core) of hardware is used for realizing transmission control over the asynchronous messages of the 1553B bus, including transmission of non-periodic messages and zero clearing of a service request bit and a vector character of each RT (remote terminal), and the real-time response to a service request of each RT and timely zero clearing of a status bit and the vector character of each RT are ensured. Compared with a method for realizing asynchronous communication through an upper computer, the real-time control method has the advantages that the transmission of the non-periodic messages is realized through condition messages of a BC (bus controller), the condition messages are only executed in a very short time, the real-time transmission of the non-periodic messages can be realized, and the transmission time sequence of the non-periodic messages on the bus can be ensured. The service request bit of a status word and the vector character are realized through a hardware zero-clearing function of each RT, the real-time property is good, the service request bit and the vector character can be timely cleared, and repeated processing of the same service request of each RT is avoided. According to the control method, the whole process is controlled in the hardware, and the architecture design of a system can be simplified.

The invention belongs to the technical field of metal matrix surface modification and discloses a preparation method of a corrosion-resistant super-hydrophobic aluminum surface. The preparation methodof the corrosion-resistant super-hydrophobic aluminum surface aims at improving the hydrophobic performance and the corrosion-resistant performance of the surface of an aluminum sheet. The method comprises the following steps of (1) infrared nanosecond laser ablation, (2) laser aftertreatment, (3) chemical etching, (4) modification pretreatment and (5) low surface energy modification. According to the preparation method of the corrosion-resistant super-hydrophobic aluminum surface, a microstructure processed through infrared nanosecond laser is high in stability, and then through chemical etching, the aluminum surface with a grating micro-nano-scale double-layer grading structure can be further obtained. The obtained corrosion-resistant super-hydrophobic aluminum surface is high in corrosion resistance and hydrophobicity and achieves a contact angle up to 160.72 degrees.

The invention provides a vehicle condition information query method and a vehicle condition information query device. The method comprises the steps that a management platform receives a query request sent from a user, wherein the query request comprises a vehicle logo and time information to be queried; the management platform acquires a local storage index table corresponding to the vehicle logo, and time logo, corresponding to the vehicle logo, of a vehicle condition information fragment uploaded to a cloud storage platform by vehicle-mounted equipment is stored in the local storage index table; the management platform determines the storage position of the vehicle condition information corresponding to the time information according to the local storage index table; the management platform acquires the vehicle condition information corresponding to the query request from the determined storage position. The storage position of the vehicle condition information to be queried is determined by the local storage index table, so when the vehicle condition information to be queried is determined to be stored at the cloud storage platform, the cloud storage platform can execute the operation for searching the vehicle condition information to be queried, the query operation of the cloud storage platform has larger certainty, and the query treating efficiency of the vehicle condition information is favorably improved.

The invention discloses a full-automatic speed changer of bicycles. The speed changer comprises a variable speed drive device and a variable speed control device. The variable speed drive device is a three-stage planetary gear train structure which is coaxial with a main shaft, the variable speed control device comprises a part which comprises a constantly meshed output pawl and a constantly released control pawl which are evenly distributed on the outer circumference of the ring gear in the planetary gear train and three stages of the pawls are controlled by a reset spring; and an off-center block balance disc part which controls the meshing action of the pawls and the a ratchet. The off-center block balance disc comprises a fixed disc and a swing link disc which is arranged on the axial diameter of the fixed disc. The swing link disc is hinged with the control pawl through a gear connection rod and a pawl poke rod; a concave arc trough is arranged on the motion track formed by the sliding and swinging of the pawl poke arm along the reset spring; and a rolling bearing is arranged between the swing link disc and the axial diameter of the fixed disc. The full-automatic speed changer of bicycles has the advantages of high sensibility and high reliability of variable speed control.

The invention provides a keyword extension method and device. The method specifically includes: acquiring webpage samples and corresponding keywords; classifying the webpage samples as a category class or a non-category class according to occurrence frequency of given keywords in a category in the keywords of the webpage samples; making statistics on the webpage samples before and after classification to obtain information gain of each keyword in all the webpage samples; selecting a plurality of the keywords, with maximum information gain, as extended keywords in the category. The method and device can extend the keywords for a specific category to obtain extended results with determinacy.

The invention relates to the field of detection (nutritional value evaluation) of edible fat and oil, in particular to a detection method and a detection system for nutritional quality based on nutritional ingredients in vegetable oil. The invention provides the detection method for the nutritional quality based on the nutritional ingredients in the vegetable oil. The detection method comprises the following steps of firstly, acquiring the contents of main nutritional ingredients in a vegetable oil sample; secondly, calculating a comprehensive nutrition score of the acquired vegetable oil sample according to a formula I. The detection method and the detection system for the nutritional quality based on the nutritional ingredients in the vegetable oil, provided by the invention, aim to solve the problem that an existing edible fat and oil value evaluation system focuses on discussion or evaluation emphasizing qualitative and specified fat and oil and specified ingredients is solved, and the current situation that academia and industry are short of scientific and comprehensive universal indictors and quantitative comparison for nutritional values of different fats and oils is changed.

The invention relates to the technical field of food, in particular to a method for identifying doping or not of foreign starch in potato food. The method specifically comprises the following steps: extracting proteins in a sample to be measured and a potato noodle standard, then performing measurement by adopting polyacrylamide gel electrophoresis, and judging whether the sample to be measured contains foreign proteins or not and specific foreign starch through protein bands in the sample to be measured and the potato noodle standard. According to the method, the foreign starch to be identified is directly adopted as the standard, so that all information about the proteins in raw noodles can be accurately reflected, detection omission can be prevented, and the accuracy of an identification result can be improved.

The invention discloses a self-recovery control method of an intelligent distribution network, and belongs to the field of power system control. The method is characterized in that the minimum network loss is used as the optimizing target for reconstruction, the distribution network power flow is calculated by the node-layered forward-backward sweep method according to the radial structure characteristics of the distribution network; the novel solving methods are carried out for possible closed loop condition in reconstruction, in order to avoid non-feasible solution and lower down the calculating dimension in the mathematical optimization algorithm; when the number of the total turned-on switches in the radial distribution network is equal to the number of the interconnection switches and the no island appears in the system, that the reconstruction result is a network without closed loop can be ensured; the island can be determined by the power flow calculation without additional programming; the method is simple and efficient; the operating dimension is lowered down; the programming is easily carried out; the method is applicable to real-time self-recovery control of the distribution network.

The invention discloses an ETC payment and settlement method, device and apparatus based on an alliance chain which can achieve the payment and settlement of ETC more quickly and accurately based on the pre-built alliance chain. The method comprises the steps of firstly obtaining payment transaction information in a to-be-cleared ETC channel, and then uploading the payment transaction information according to a pre-constructed alliance chain; wherein the alliance chain comprises a ministry networking settlement management center, a provincial and municipal networking settlement management center, a clearing bank and a client, and then processing payment transaction information on the chain according to an intelligent contract in the alliance chain to obtain an ETC payment clearing result.

The invention provides a support fixture and a falling ball test method. The support fixture for testing the falling ball comprises a platform and a raised portion disposed on the platform. The raisedportion is used for placing a glass cover plate. The edge of the glass cover overlaps the edge of the raised portion, and the glass cover can be placed on the support fixture smoothly when the falling ball is tested on the glass cover. The ball falls from a fixed height, impacts a position on the glass cover where strength is to be tested. The reliability of the falling ball test of the glass cover can be improved, and the strength test results of the glass cover have deterministic since the glass cover is placed on the support fixture very smoothly.

A recombinant protein used for immunotherapy by regulating the balance between Th1 and Th2 in human body is composed of the variant derived from sensibiligen and the variant derived from interleukin. It is prepared through cloning the pan-sensibiligen of pollen and full-length coding gene of interleukin, taking their open reading frames, antigen modifying, gomphosis, and carrying it by protein expression carrier.

The invention provides an S box evolution generator which comprises a random source, more than two different conversion parts, a cryptology index computing and judging part, a threshold judger and a buffer. The evolution generation process comprises the steps of: initializing stored contents in the buffer into unit replacement; generating random numbers by the random source, sending the stored contents in the buffer into one of conversion parts according to the values of the random numbers; sending a conversion result into the buffer after one of the conversion parts is converted, simultaneously sending into the cryptology index computing and judging part for computing a cryptology index and judging whether the index of the conversion result is qualified or not; if so, clearing the conversion times, outputting the conversion result to be used as an S box generated by the evolution; if not, adding 1 into the conversion times; and then in the threshold judger, comparing the conversion times and the preset threshold, if the conversion times are small than the threshold, returning to continue the evolution until the conversion times reach the threshold and resetting the contents of the buffer into the unit replacement.

The invention provides a time-deterministic transmission design method for a time-triggered Ethernet (TT) service. The method comprises the following steps of: 1, defining a gating scheduling table; step 2, end system sending gating design; 3, the switch receives gating design; step 4, switch sending gating design; and step 5, end system receiving gating design. Compared with the traditional Ethernet, in the design method provided by the invention, the TT data frame is subjected to service scheduling strictly according to the family period and the pre-planned gating starting time point, and the transmission delay has certainty and low jitter. Compared with a traditional Ethernet data frame, in the design method of the invention, conflict-free reliable transmission of the TT data frame is realized through a pre-formulated scheduling rule, and the bandwidth and high-reliability transmission of the TT data frame are ensured. The design method provided by the invention can ensure that the packet loss problem of the TT data frame does not exist in network transmission.

The invention discloses a deep cutting excavation construction method and protection system close to a railway business line, and relates to the technical field of high-speed railway deep cutting construction. The construction method comprises the steps that firstly, a slope low section protection system is established in a slope low section excavated close to the railway business line; a slope high and steep section protection system is established in a slope high and steep section excavated close to the railway business line; after the slope low section protection system and the slope high and steep section protection system are established, stone blocking channels are excavated step by step; after the stone blocking channel is excavated and formed, high and low section cutting is excavated step by step in a layered mode, and when each layer of cutting is excavated, excavation is conducted from the two sides of the stone blocking channel to the interior of the stone blocking channel. According to the construction method, site construction operation is facilitated, the requirements of various safety protection levels are met, normal operation of the existing railway business line is not affected, construction safety is improved, the construction period is shortened, cost is reduced, and economic benefits are remarkable.