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149results about How to "Realize self-learning" patented technology

Building method of knowledge map based on vertical field

The invention provides a building method of a knowledge map based on a vertical field. The method comprises the following steps of (1) extracting the word realization of classes of an on-line encyclopedia and the hyponymy between classes; (2) merging the field knowledge information, defining the data attribute and the relationship attribute of the field, and further setting the statute on the definition domain and the value domain of the attributes; (3) studying an entity layer, i.e., extracting an entity and filling the attribute value of the entity; performing mass processing on structurized and semi-structurized data by D2R or data collecting tools; and for non-structurized text data, defining the classes and the attributes of the upper layer body and the relationship between the classes and the attributes, and recognizing examples according to the relationship between the classes and the attributes. The method has the advantages that by using the method, the built knowledge classification of the vertical field knowledge map is clear; the self study and the automatic expansion of the knowledge map are realized; and the key effects are achieved on the information retrieval and semantic analysis of the vertical field.
Owner:QINGDAO PENGHAI SOFT CO LTD

Self-learning method and device of hybrid electric vehicle and clutch of hybrid electric vehicle

The invention provides a self-learning method and a self-learning device of a hybrid electric vehicle and a clutch of the hybrid electric vehicle, which can automatically finish self-learning of a key position of the clutch so as to simplify an adjusting process. The self-learning method comprises the following steps: judging whether a self-learning condition is met or not; if so, controlling the clutch to be separated and combined; recording positions where the clutch is completely separated, is completely combined and starts to slide and wear, and taking the positions as a complete separation point, a complete combination point and a sliding and wearing point. The self-learning device comprises a position sensor which is in signal connection with a controller, wherein the controller is provided with a judging module for judging whether the self-learning condition is met or not, and controlling the separation and combination of the clutch when the self-learning condition is met, so that the self-learning of the complete separation point, the complete combination point and the sliding and wearing point are realized; the position sensor is used for detecting the position of the clutch and transmitting position information to the controller; the controller is provided with a storage module for storing the position information.
Owner:WEICHAI POWER CO LTD

Intelligent operating system and method for train examination robot of railway vehicle

ActiveCN107364459AImprove the quality of inspection workImprove train inspection operation environmentRailway inspection trolleysRailway auxillary equipmentInformatizationAutomatic control
The invention discloses an intelligent operating system and method for a train examination robot of a railway vehicle, and belongs to the field of technical inspection of railway freight trains. The intelligent operating system for the train examination robot of the railway vehicle comprises a train examination robot system, a train examination operation, monitoring and management platform and a train examination wireless network platform; a wheel type robot and an air-control big gate are controlled to combine with an automatic control technology, a laser detection technology, an inactive radio frequency transmission technology, a position self-sensing technology, a machine visual technology and a digital image analysis technology to acquire holographic data of a to-be-detected vehicle; a mode identification technology is utilized to perform treatment and analysis as well as decision-making, so that brake test automation, part quality state diagnosis informatization, fault treatment monitoring and reexamination traceability after train maintenance in train examination operation of the railway vehicle are realized. The intelligent operating system realizes replacing manual examination by robot examination, can be suitable for different environments of train examination application places across the country, can comprehensively improve quality and efficiency of train examination operation, and has relatively great social benefits and economic benefits.
Owner:BEIJING CTROWELL INFRARED TECHN +1

System for measuring granularity of pulverized coal of blast furnace coal powder injection middle-speed milling system

The invention discloses a system for measuring granularity of pulverized coal of a blast furnace coal powder injection middle-speed milling system. The system comprises a storage device, a sensor, a retrieve device, and a calculation correcting device, wherein the storage device is used for storing a case library, the case library comprises a plurality of cases, and each case represents a corresponding relation between the granularity of pulverized coal and an auxiliary variable influencing the granularity of the pulverized coal; the sensor is used for detecting a current production working condition in a blast furnace middle-speed milling production process; the retrieve device is used for retrieving in the case library according to a present production working condition and finding out the closest case of the auxiliary variable and the present production working condition; and the calculation correcting device is used for modifying the granularity of the pulverized coal according to an auxiliary variable of the retrieved closest case and a present production working condition difference value to obtain the granularity of the pulverized coal under the present working condition. The system disclosed by the invention can realize online detection on the granularity of the pulverized coal so as to carry out real-time regulation on control variable of the middle-speed milling production process according to the granularity of the pulverized coal to ensure that the granularity of the pulverized coal of pulverized coal production index meets process requirements and to create beneficial production conditions for following pulverized coal injection and blast furnace production.
Owner:WISDRI ENG & RES INC LTD

Reinforcement learning reward self-learning method in discrete manufacturing scene

The invention discloses a reinforcement learning reward self-learning method in a discrete manufacturing scene. The method comprises the following steps: 1, refining the process of the current production line, wherein g belongs to G = {g1, g2,..., gN}, and the intelligent agent reaches a preset target g and is recorded as an interaction sequence episode; according to the initial parameters, obtaining multiple sections of episodes corresponding to the g1 as a target, taking state actions in the episodes and a state difference value delta as a training data set to be input into a GPR module, andobtaining a system state transition model based on state difference; enabling the intelligent Agent to continue to interact with the environment to obtain a new state st, and enabling a Reward network to output r (st), enabling an Actor network to output a (st), enabling a Critic network to output V (st) and enabling a GPR module to output value function Vg as the updating direction of the whole;when the absolute value of Vg-V (st) is smaller than epsilon, considering that award function learning under the current procedure is completed, and carrying out parameter storage of the Reward network; continuously carrying out interaction, and generating the following sub-target g < n + 1 > as the episodes of the updating direction for updating the GPR; and when the set target G = {g1, g2,...,gN} is all realized in sequence, finishing the process learning of the production line.
Owner:GUANGDONG UNIV OF TECH

Soft-measuring method for density in concentration process of salvia miltiorrhiza injection production

The invention provides a soft-measuring method for density in concentrating process of salvia miltiorrhiza injection production, comprising the following steps: gathering the historical data of each sensor and densimeter in the concentration process of salvia miltiorrhiza, wherein the history data relate to concentrated solution density value and sensor data gathered on line in production process;selecting easily obtained procedure variables including gas phase temperature, liquid phase temperature, pressure and concentrated solution liquid level that have higher degree of correlation with density from each sensor data, and screening representative dataset; using a multivariate analysis method for building a soft-measuring model of density; and gathering the procedure variables on line, and using the soft-measuring model of density to carry out real-time estimation to control the concentration process. Aiming at the problem that the density in the concentration process of salvia miltiorrhiza injection production is difficultly monitored in real time, the invention provides a fast density soft-measuring method with high precision, which makes full use of the history data obtained by each sensor from the production process, and is beneficial to improvement of quality control on salvia miltiorrhiza injection production.
Owner:ZHEJIANG UNIV

Method and system for automatic operation of data communication network (DCN)

The invention discloses a method and a system for automatic operation of a data communication network (DCN), and relates to the field of DCNs. By the method and the system, an unnumbered Ethernet interface can be created and used. When routing equipment is powered for the first communication, by using a loopback interface automatically generated the routing equipment and operating an open shortest path first (OSPF) point-to-point network, the routing equipment automatically learns network routing and forms a DCN routing table so as to realize automatic operation of the DCN. According to the method and the system, the DCN automatic operation function is used, after the access layer routing equipment is powered, a management channel to a network management system can be broke through by the DCN routing table, and a series of maintenance and operation allocation can be performed by the routing equipment and the network management system. By the method and the system, a complete automation function can be achieved, the deployment, site commissioning and configuration operation of the routing equipment are relatively simple; not only the time is shortened, but also the workload is reduced; and the working efficiency is high, and the method and the system are convenient to use.
Owner:FENGHUO COMM SCI & TECH CO LTD

Method and system for monitoring harmonic waves of power grid of dredge boat

The embodiment of the invention discloses a method for monitoring harmonic waves of a power grid of a dredge boat. The method comprises the steps of obtaining original power signals in the power grid, extracting measurement quantity of the harmonic waves of the original power signals in the power grid each time, calculating the optimal estimation value (please see the formula in the specification) of the amplitude of the hth harmonic wave at the moment k according to measurement quantity (please see the formula in the specification) of the hth harmonic wave at the moment k, calculating a covariance matrix (please see the formula in the specification) of the optimal estimation value (please see the formula in the specification), according to the optimal estimation value (please see the formula in the specification), calculating the harmonic distortion rate (THD) k at the moment k, and according to the harmonic distortion rate of each time, judging the quality of the power signals of the power grid. According to the embodiment, on the basis of the conventional Kalman filtering algorithm, a correction factor gamma is introduced to express dredging operation environment, a robust Kalman filtering algorithm on the basis of a fuzzy self-adaptation optimizing reasoning model is built, one-step prediction and estimation of the harmonic data of the power grid are completed, robustness of a power grid harmonic monitoring system is obviously improved, the optimal estimation value of the harmonic distortion rate is made to be closer to the original power signals, finally, the quality of the power grid is judged according to the harmonic distortion rate, and the accuracy of judgment is improved.
Owner:GUANGZHOU MARITIME INST

Event pre-warning and classifying method by external safety pre-warning and positioning system of photoelectric composite cables

The invention provides an event pre-warning and classifying method by an external safety pre-warning and positioning system of photoelectric composite cables, which comprises the following steps: obtaining event signals occurred within the range monitored by the system obtained through the continuous acquisition performed by the external safety pre-warning and positioning system of the photoelectric composite cables through high-speed data acquisition card; and performing pre-warning and classification of invasion events on the acquired event signals by using a loose coupling wavelet radial basis neural network algorithm described in the following text. The event pre-warning and classifying method by the external safety pre-warning and positioning system of the photoelectric composite cables provides a practical basis for the event occurrence position calculation and pre-warning so that the external safety pre-warning and positioning system of the photoelectric composite cables can conveniently detect the occurrence of warning events for the convenience that monitoring staffs can arrive at the occurrence positions of the events in time and perform corresponding protection and maintenance on the photoelectric composite cables; besides, the method saves the investigation time of event precaution and provides time allowance for the precautionary measures of the events.
Owner:浙江诺可电子科技发展有限公司
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