Application of singular value decomposition method to analysis and prediction for voltage steady - state stability limit of sichuan power grid 奇異值分析法對(duì)四川電網(wǎng)電壓靜穩(wěn)極限的分析預(yù)測(cè)
Boundary value analysis consequently incorporates a degree of negative testing into the test design , by anticipating that errors will occur at or near the partition boundaries 考慮到錯(cuò)誤將發(fā)生在或者靠近分開界限,邊界值分析法在設(shè)計(jì)測(cè)試用例中考慮反向測(cè)試。
According to the results , we established a pruductionfunction model for tea production . furthermore , with sorrow ' s analysis method , the relation between input and output of zhejiang tea industry was quantitatively analyzed 同時(shí)建立了生產(chǎn)函數(shù)模型,并運(yùn)用索羅余值分析法,就技術(shù)創(chuàng)新和制度變遷對(duì)浙江茶葉發(fā)展的貢獻(xiàn)率,進(jìn)行了實(shí)證分析。
In this thesis , we have the rectangular composite plate with piezoelectric sensors and actuators as ours study object . methods of riz and fem are used to analyze the problem of the vibration control of the smart structures with the direct feedback gain 本文以壓電薄板為研究對(duì)象,采用解析法(里茲法)和數(shù)值分析法(有限單元法)研究了壓電智能結(jié)構(gòu)的振動(dòng)控制問題,其中采用的反饋控制策略為直接反饋。
Especially , bar - ycenter method put forward will give them one very useful method when supervisory engineers adjust progress plan with network . earned value analytic approach applied in progress control and cost and progress considered a whole , has importantly theory meanings 特別是提出的重心方法給監(jiān)理工程師在用網(wǎng)絡(luò)對(duì)進(jìn)度計(jì)劃進(jìn)行調(diào)整時(shí)提供了一個(gè)十分有用的方法:將贏得值分析法運(yùn)用到進(jìn)度控制中并把成本與進(jìn)度作為一個(gè)整體加以考慮,具有重要的理論意義。
Because of this , this text has described the method of routine deterministic analysis which is include mainly : coefficient transmission and bishop method and also described the basic principle of reliability theory , the method and the application that mainly conclude monte - carlo method , reliability index method and statistical analyses , and according to the research on the two method through examples it is suggested that we should adopt reliability method besides deterministic analysis in slope stab ility analyses . for those two methods can refill and check with each other 基于此,本文對(duì)常用定值分析法進(jìn)行了論述,主要包括:傳遞系數(shù)法與畢肖普法;對(duì)可靠性理論的基本原理、方法及應(yīng)用作了論述,主要有:蒙特卡洛法、可靠指標(biāo)法與統(tǒng)計(jì)矩法,并用實(shí)例對(duì)兩種方法進(jìn)行對(duì)比研究,建議在邊坡穩(wěn)定分析中除采用定值法外,應(yīng)同時(shí)采用可靠性分析法,兩者相互補(bǔ)充、校核。
Based on observation data at the meteorological source and geological status at different regions from hubei province , together with experimental researches at conjac biological characteristics , osculating value method at multi - objective decision a well a gray correlation analysis method wean employed to design the planting area distribution 摘要利用湖北省各區(qū)地理氣候資源的統(tǒng)計(jì)資料,結(jié)合魔芋生長發(fā)育的生物學(xué)特性的試驗(yàn)觀察,利用多目標(biāo)決策密切值分析法和灰色關(guān)聯(lián)分析法,對(duì)湖北省魔芋種植區(qū)域進(jìn)行了規(guī)劃。
Taking zhijin county as a concrete case , the article calculated emergy of local ecological and economic system qualitatively and quantitatively against data in the year of 2003 with theory of ecological economics and system coupling under which material flow , energy flow and information flow could be manifested actually , and then analyzed the ecological and economic system coupling status in the year of 2003 with emergy indexes and emergy index model for sustainable development 本文利用2003年數(shù)據(jù),駕馭生態(tài)經(jīng)濟(jì)學(xué)和系統(tǒng)耦合的理論,以織金縣為例,運(yùn)用能準(zhǔn)確地研究生態(tài)經(jīng)濟(jì)系統(tǒng)的物質(zhì)流、能量流和信息流的分析方法? ?能值分析法,定量定性結(jié)合,計(jì)算織金縣生態(tài)系統(tǒng)和經(jīng)濟(jì)系統(tǒng)能值,然后利用相關(guān)耦合指標(biāo)和能值可持續(xù)發(fā)展指數(shù)模型分析2003年織金縣生態(tài)經(jīng)濟(jì)系統(tǒng)耦合現(xiàn)狀。
This paper calculates and analyses the positions of compensation in chongqing power network respectively by means of sensitivity analyses singularity analyses margins analyses and modal analyses . before optimization , the paper firstly makes certain the weak voltage bus and the positions of compensation 論文分別采用靈敏度分析法、奇異值分析法、靜態(tài)電壓裕度法和基于靈敏度的模式分析法分別對(duì)重慶電網(wǎng)的無功補(bǔ)償點(diǎn)進(jìn)行了計(jì)算和分析,在優(yōu)化計(jì)算前先確定出了重慶電網(wǎng)的電壓薄弱點(diǎn)和對(duì)應(yīng)的無功補(bǔ)償候選點(diǎn)。