knowledge-based expert system 中文意思是什麼
knowledge-based expert system
解釋
基於知識的專家系統-
Procreant knowledge expression and forward inference engine are adopted in the method of fault diagnosis based on expert system theory. in the fault diagnosis applying neural network theory, six kinds of improved arithmetic of back - propagation arithmetic, including gradient descent with momentum, variable learning rate back - propagation, resilient back - propagation, quasi - newton, levenberg - marquardt and conjugate gradient, are applied to diagnose the faults of electric load manage center and solid state power controller. different diagnostic results gotten by simulation are compared at last
在基於專家系統的故障診斷方法中，採用了產生式知識表達和正向推理機制；在基於神經網路的故障診斷方法中，則分別採用了bp神經網路的附加動量法、自適應學習速率、彈性bp演算法、擬牛頓法、共軛梯度法和levenberg - marquardt法對電氣負載管理中心和固態功率控制器的故障進行診斷，並對由模擬得到的不同診斷結果進行比較。 -
The primary contents are as follows : ( 1 ) in allusion to the practical conditions of working process of the sugar cane combine harvester, according to the function class and the mechanical capability of machine, construct the whole structure of design and evaluation expert system of sugar cane combine harvester based on deeper researching in harvester design field knowledge
其主要內容如下： （ 1 ）針對甘蔗收獲機械工作過程的實際情況，根據機構的功能分類和機構的機械性能，在較為深入地研究甘蔗收獲機械設計領域知識的基礎上，構建了甘蔗收獲機械設計與評價專家系統總體結構。 -
Compared with the regular rule - based expert system, the bayesian network based es can reason on the incomplete input information using the prior probability distribution ; the topological structure of the network being used to express the qualitative knowledge and the probability distributions of the nodes in the network being used to express the uncertainty of the knowledge, which made the knowledge representation more intuitively and more clearly ; applying the principle of the bayesian chaining rule, bidirectional inference which allow infer from the cause to the effect and from the effect to the cause can be achieved
與一般基於規則的專家系統相比，貝葉斯網專家系統利用先驗概率分佈，可以使推理在輸入數據不完備的基礎上進行；以網路的拓撲結構表達定性知識，以網路節點的概率分佈表達知識的不確定性，從而使不確定性知識的表達直觀、明確；利用貝葉斯法則的基本原理，可以實現由因到果及由果到因的雙向推理。 -
Starting with the application of power plant simulator, and for purpose of solving the practical problems of discommodious ness 、 subjective test result in the test of simulator training, summarizing the experience in the research and apply of the scoring system software of the test of simulator training, a operating skill model is built and a design for universal scoring system for the test of simulator training is brought forward based on the operating knowledge of power plant equipment and simulator and the theory of expert system. and the scoring system is realized by programming
本文從電站模擬機的實際應用出發，以解決當前模擬機培訓考核中考核不方便、考核結果有失客觀性等實際問題為目的，總結目前關于模擬機培訓考核成績評定系統軟體的研究和應用的經驗，以電站設備和模擬機的各種運行知識為基礎，並結合專家系統的理論，建立一個評價模擬機學員操作水平的模型，提出了一種模擬機培訓自動評分系統的設計方法，並通過編程實現了這個成績評定系統。 -
Based on the study of software testing and expert system core technologies ( inference method and mechanism, explanation mechanism, knowledge acquirement, and knowledge representation ), the author developed the software exception analysis of expert system using visual prolog
作者在研究軟體測試以及專家系統核心技術（推理方法與推理機制、解釋機制、知識獲取和知識表示等）的基礎上，採用visualprolog語言，完成了軟體錯誤分析專家系統的具體開發。 -
In the process of the system study, the knowledge in the domain of ship collision avoidance is analyzed and the collision mechanism, process and the tactic are studied firstly. and then, using the fuzzy mathematics theory, the fuzzy mathematical model of judging collision risk is built, which take into account of the factors such as ship maneuverability, visibility and so on. in addition, based on the expert system theory, a design method of ship intelligent collision avoidance expert system is put forward, and the frame of ship intelligent collision avoidance expert system is built
在系統的研究過程中，首先對船舶避碰領域知識進行分析，並研究了船舶碰撞的原理、過程及對策；然後運用模糊數學理論，建立了一種評判碰撞危險度的模糊數學模型，該模型考慮了船舶的操縱性能、能見度等多種因素；接著根據專家系統理論，提出了一種船舶智能避碰專家系統的設計思路，並構建了一種船舶智能避碰專家系統的框架；最後以visualbasic6 . 0作為軟體開發平臺，設計了一種具有良好的可視化人機交互界面的船舶智能避碰專家系統軟體。 -
By the browser / web server / database structure and the technology of asp. net and xml, we achieve the expert system running on the network, extend the application and ensure its backward compatibility ; we have the deep research to the representation of knowledge and apply it to the system, extend the traditional method of rule based knowledge representation ; introduce the fuzzy sets, analyze the generalized possibility interval sets, and combine the linguistic variables and fuzzy sets ; the system adopts the forward and backward chaining, researches the reasoning under uncertainty and inexact reasoning ; and we depart knowledge base and inference engine, make the upgrade simple and maintenance convenient. in the last, we construct the potato produce manage system according to the phases of potato ' s growth to give a detailed instruct to its produc e
Net和xml技術，實現了網路化的專家系統，同時擴大了專家系統的應用范圍，提高了系統的後向兼容性；對專家系統中的知識表示技術作了深入探討，在傳統的基於規則的知識表示方法的基礎上，提出了基於規則擴展的知識表示方法，並較好地將其應用到本系統中；引入了模糊集合，分析並推導了廣義可能區間集，將其應用於模糊知識的表示，將語言變量和模糊集合結合起來；提出對系統採用互動式知識獲取途徑、雙向推理控制策略，對不精確推理和不確定性推理的傳播演算法作了一定的研究，成功地將其應用到馬鈴薯專家系統的構建之中；採用知識庫和推理機相分離的方法，使得系統升級簡單易行。 -
Based on cognition theory and information technology, the paper build a simulated brain model to aid creative design by integrated artificial intelligent, expert system, fuzzy logic, and knowledge mining based on database over internet. the brain model including a memory structure to save information and knowledge, and a thought strategy with some certain levels to guide activities, therefore, the intelligent activities such as learning, problem - solving and creative design could be treated as the process that utility memory in control of thought strategy
人腦模型體系包括了在思維策略控制下的學習、設計問題解決、創新等活動，並以語義網路與神經網路結合研究並實現了知識記憶結構，在此基礎上研究了產品構成知識的生成技術，使模型可方便實現自學習、自組織、聯想存貯等特性。 -
On the basis of the integration relation between expert system and pdm, two cores to fulfill expert system are researched subsequently : ( 1 ) knowledge access and acquisition based on pdm ; ( 2 ) reasoning machine and reasoning methods
在分析了專家系統與產品數據管理的結合關系的基礎上，研究了實現專家系統的兩個核心問題，即產品數據管理平臺下知識存取和獲取、推理機及其推理方法。 -
This dissertation describes the studying of the whole construction of water - saving irrigation expert control system, the realization of hardware and software and low - cost soil - moisture sensor which is needed for water - saving irrigation. the distributed control system based on bus. according to real - time data of soil - moisture, water - level of sump, pressure of tube, etc. and irrigation knowledge in expert knowledge bases, it can make decisions such as when to irrigation, the water quantity to irrigation and the cost and benefit of the irrigation
本文對節水灌溉專家控制系統的總體結構、軟硬體實現以及節水灌溉急需的低成本土壤水分傳感器進行了研究，系統採用了基於總線的分散式控制結構，根據實時檢測的土壤水分、水槽水位、管道壓力等實時參數，知識庫的作物灌溉知識，分析決策灌水時間、灌水量、灌溉成本及灌溉效益。 -
This subject is based for the subject topic of 863 program named " vegetable planting agriculture expert system developing frame " ( project number : 863 - 306 - zd05 - 01 - a ). after a long - term research which can be divided into three phases as follows : synthetic analysis of expert systems in agriculture area ; components research and design of knowledge acquisition, representation, and reasoning result explanation ; integration of all the components, the system aimed for non - computer major technicians has been developed. lately, client / server ( c / s ) calculation based on distributed transaction concepts, is gradually becoming popular
本課題以國家863計劃智能計算機主題關鍵技術課題「蔬菜栽培農業專家系統開發框架」 （項目編號： 863 - 306 - zd05 - 01 - a ）為研究背景，通過對領域應用專家系統的綜合分析，在研究設計知識獲取、知識表示、推理求解、推理結果解釋、人機界面等構件的基礎上，按系統集成的要求，完成了蔬菜栽培專家系統開發框架的研究，提交非計算機專業人員能夠直接使用。 -
After discussing of the current bdar, the chosen radar ’ s damage mode and effects is analyzed in the paper according to its function structure and fighting mission. and then, an expert system is presented to assess effectively and intelligently based upon the bayesian networks. in detail, three knowledge representations, i. e. production rule, frame and bayesian networks are adopted to express different kinds of knowledge in the expert system, and forward deduction and bayesian networks ’ uncertain reason are combined to accomplish the expert system inference process
本文在總結戰場損傷評估與修復的理論體系和研究現狀的基礎上，選用某型號雷達作為研究對象，按照其功能結構及作戰任務的特點，分析了它的戰場損傷模式與影響，並就其損傷評估與修復的常用方法和決策思路，設計了一個基於貝葉斯網路的專家系統以提高戰損評估決策的自動化、智能化水平。 -
Firstly we discussed and determined the feature of turning and milling process, based on which we set up the knowledge rules of the turning cutting tool and milling cutting tool choice. we applied the knowledge rules to the expert system of nc machining process parameters repository, which realized the cutting tool choice of nc machining. we also added the explaining implements of turning and milling tool and perfected the expert system of nc machining process parameters
首先研究確定了車削加工和銑削加工的加工特徵；在此基礎上，建立了基於加工特徵的車刀選擇知識規則和銑刀選擇知識規則，並將其知識融入到已研製開發的數控加工工藝參數優化專家系統知識庫中，實現數控刀具的優選；本文還增加了車刀選擇解釋器和銑刀選擇解釋器，完善了數控加工工藝參數優化專家系統。 -
This expert system is composed of fuzzy inference machine and management of fuzzy knowledge base. the fuzzy inference machine is based on forward data - driven reasoning and the fuzzy knowledge base is based on predicate presentation
本專家系統由正向數據驅動型權值法的診斷型模糊推理機和對基於謂詞的模糊知識庫的管理維護組成的。 -
Secondly, the theory of the knowledge - based diagnosis expert system is discussed and a module of diagnosis expert system program is compiled, which has the functions of managing database and fault diagnosis
第二，研究了基於知識的診斷專家系統的理論知識，編制了轉子故障診斷專家系統的程序，實現了知識數據庫的管理以及故障診斷等功能。 -
In this page the disadvantages of common intrusion detection system are presented. and the details of designs of a expertsystem based real - time intrusion detection system with brief introduction of expert system in artificial intelligence are also exhibited in this paper. meanwhile an example of definition of rule - set in knowledge - rule database is included in the introduction mentioned above
該文討論了普通型入侵檢測系統的弱點，對人工智慧的重要領域專家系統作了簡要介紹，提出了一個基於專家系統的實時入侵檢測系統的詳細設計方案和實現方法，同時舉例說明如何定義知識規則庫中的規則集。 -
In the paper, the following main factors are studied, such as developing the expert knowledge - base based on the special knowledge of the explosive demolition of frame building, designing the object - oriented expert system of the explosive demolition of frame building, developing the neural network training example base based on projects, developing the forecasting mode of blast effects with matlab 6. 1, developing the expert system of explosive demolition of frame building with visual b 6. 0, carrying out the connection of the expert system and forecast mode. the system consisted of eleven functional modules, such as the input of initial parameters module, the choice of the blasting method module, the choice of blast mode module, the design of blasting parameters module, the design of charge module, the verifying blasting safety module, the calculating safety of tumble module, the design of detonating net module, the blast effects forecasting module and the calculating volume module
本文的研究內容有：以框架結構樓房拆除爆破領域的專業知識為基礎製作專家系統知識庫；設計一般面向對象的框架結構樓房爆破拆除設計的專家系統；搜集相關爆破工程實例製作用於爆堆效果預測神經網路訓練的樣本數據庫；選取適當的輸入輸出因素，用matlav6 . 1構建爆破效果預測神經網路模型；用vb6 . 0編程開發出框架結構樓房拆除爆破專家系統，並實現爆破效果預測神經網路模型和專家系統的鏈接。該系統由初始參數輸入、倒塌方法選取、倒塌方案確定、孔網參數設計、缺口形狀及參數、爆破安全校核、傾倒安全校核、爆破網路、爆破效果預測、工程量計算、計算設計說明書等十一大功能模塊組成。 -
The middle storage pulverizing system for chongqing power plant is mainly researched in this paper, and bp neural network 、 mixed knowledge representation 、 expert system based on knowledge technology etc are used in this fault diagnostic system
本文以重慶發電廠中間儲倉式制粉系統為主要研究對象，採用bp神經網路技術，並結合混合型知識表示和知識獲取方法、基於知識的專家系統等技術，對制粉系統故障及其相關故障診斷系統進行了開發研究。 -
The paper briefly introduces the basic theory of fault tree analysis and rule - based expert system, and offers to combine fault tree analysis with rule - based expert system. by connecting fault tree to diagnosis knowledge base through cut set, we can express expert knowledge totally, systematically, and logically by building fault tree. it makes automatic knowledge acquisition come true to obtain diagnosis rule base automatically according to the fault tree
本文簡要闡述了故障樹分析法和基於規則的診斷專家系統的基本原理，提出將故障樹分析法與基於規則的診斷專家系統相結合的方法，通過割集將故障樹與診斷專家系統知識庫聯系起來，用建立故障樹的形式全面、系統、層次性地將專家知識表述出來，由故障樹自動生成基於規則的專家系統診斷規則庫，實現了診斷知識的自動獲取，並且確保了診斷知識的一致性和完備性。 -
This thesis has preliminary designed a forest firefighting expert system of existing stand heilongiiang area. it uses wndows 2000 as platform, vsual c - 6. 0 as tool, sql server as p1atform of accessing data and also reference many advanced expert system technology. the system based on firefighting expert knowledge, used expert system technology to develop a knowledge database a technique database
該系統建立在windows2000平臺之上，以visualc + +為工具，以sqlserver為數據存儲平臺，並考慮國內外一些先進的專家系統的技術建立起來的。該系統是以林火專家知識經驗模型為基礎，利用專家系統技術，建立了知識庫、方法庫、模型庫及其推理和求解系統。
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