【正文】 s contr ol t he scale of invest ment , st rengthen f ield m anagem ent, pay special at t ention t o pr oject progr ess, and ensur e a successf ul oper at ion, t he overall goal. He and Engineer ing Depar t ment under t he leadership of all t he st af f in t he pany39。 4）根據(jù)系統(tǒng)方案和硬件結(jié)構(gòu)來(lái)設(shè)計(jì)軟件系統(tǒng)，使用 KEIL 開(kāi)發(fā)環(huán)境來(lái)編寫和調(diào)試匯編源代碼，完成指定的功能。 2）以 ATMEL 公司的 AT89C52 為核心，設(shè)計(jì)其外圍工作電路?；诖丝紤]，本 課題嘗試設(shè)計(jì)一種通用的溫濕度檢測(cè) 系統(tǒng)，根據(jù)不同的檢測(cè)環(huán)境，只需要更換不同型號(hào)的傳感器并調(diào)整與之相適應(yīng)的參數(shù)即可完成不同環(huán)境的檢測(cè)。 課題的目的和主要內(nèi)容 在溫濕度測(cè)量系統(tǒng)的硬件設(shè)計(jì)中，設(shè)計(jì)者可能會(huì)根據(jù)不同的現(xiàn)場(chǎng)環(huán)境采用不同原理的傳感器來(lái)設(shè)計(jì)采集系統(tǒng)，若采用的傳感器工作原理上有很大的不同，則系統(tǒng)的設(shè)計(jì)方案 和結(jié)構(gòu)也有很大的差異。 自適應(yīng)控制是在控制對(duì)象未知的情況下，或者控制對(duì)象的參數(shù)發(fā)生變化時(shí)調(diào)整控制器的控制方法或參數(shù)，使控制系統(tǒng)達(dá)到預(yù)定的控制品質(zhì)，自適應(yīng) PID 控制具有自適應(yīng)控制和普通 PID 控制器兩方面的優(yōu)點(diǎn)。 模糊控制正成為越來(lái)越熱門的控制技術(shù)。 隨著控制技術(shù)的不斷發(fā)展 ,PID 調(diào)節(jié) 成為 主要的控制策略， 它 是最早發(fā)展起來(lái)的控制策略之一，由于其算法簡(jiǎn)單，魯棒性好，可靠性高等優(yōu)點(diǎn)，被廣泛用于工業(yè)工程控制。在溫濕度測(cè)量系統(tǒng)中普遍采用線性化處理、自動(dòng)溫度補(bǔ)償和自動(dòng)校準(zhǔn)濕度等項(xiàng)新技術(shù)。由于本設(shè)計(jì)中要同時(shí)對(duì)溫度和濕度進(jìn)行測(cè)量，可以采用兩個(gè)獨(dú)立的傳感器，即溫度傳感器和濕度傳感器，分別檢測(cè)溫度和濕度 。數(shù)字式 傳感器不僅不存在上述問(wèn)題，同時(shí)對(duì) 系統(tǒng)的設(shè)計(jì)帶來(lái)了極大方便。 溫度和濕度傳感器按照輸出信號(hào)的類型分類都可分為模擬式傳感器和數(shù)字式傳感器。s good, pr oper guidance, t hanks t o 46 st udent s in t he class wil wor k closely t oget her , t o wor k t oget her. Of course, we also have our weaknesses, needs t o be f urt her cor rection in t heir f ut ur e lear ning and lif e, wit h a view t o achieving gr eat er r esult s. Five declarat ions of good par t y br anch branch is a f or t r ess, a par t y m em ber is a banner . Fight ing in t he r ailway engineer ing constr uction Gr oup Headquart ers Headquart ers br anches, a t ot al of m em ber s 18. Role of t he Xiang GUI r ailway and t ight Sout h Lebanon r ailway, heavy, poor condit ions of disadvantage, t he br anch closely ar ound t he constr uct ion wor k. Holding high t he f lag of our par t y mem ber s, unit e and lead st aff on t he dif f iculties, overe dif f icult ies, t ake t he zhengyou, a j ob well done and an engineer ing t ask, won t he highly valued by leader s at all evels. Since Oct ober last year since t he proj ect began, Headquart ers Br anch is t ight ly ar ound t he cent er of it s activit ies. Face Sout h, clim at e is wet , sooner or lat er t em per atur e lar ger , specif ic dif f icult , I br anch f r om t hought r equir em ent s all wor ker s act ive m otivat ed, do can long ter m har d, dar e f ight of spir it pr epar ed, while r equir em ents all m em bers lead, encour aged coleagues Zhij ian each other help, each ot her lear ning business knowledge, over e t em por arily dif f icult , act ive int o t o engineering of f icial st art s of t he pr epared wor k in t he t o, play out has as a br anch of f ight ing f or t r ess r ole and m embers of pioneer model r ole. Since it s st ar t , I mand under t he cor rect leadership of t he part y br anch in t he Gr oup and t he super ior part y, cent er ing on building a qualif ied par t y br anches, br anch of t he f ort s and t he bat tle t o play t he exem plar y vanguar d r ole of par ty m embers, act ively wor king. In m and per sonnel less, and t ask heavy of sit uat ion Xia, all m em bers always according t o par ty st ronger, and style t o ar e, and ser vice bet t er , and ef f iciency t o high of r equir ements, f r om over al st ar t ing, bet t er t o plet ed has pr oduction or ganization, and coordinat ion, and guar antees and t he m anagem ent wor k, in engineer ing pr ogr ess, and qualit y, and benefit s, and saf et y, aspects ar e m ade has good of r esults, get has owner s and t he Gr oup and gr ass r oots unit s of pr aise. Fir st , give f ul play t o t he exem plar y r ole of part y mem ber s. The exemplar y r ole of par t y member s and cadr es ar e silent on t he m and, t he exem plar y r ole of par ty members and cadres ar e t he best of t he ideological and polit ical educat ion. We pay close at tent ion t o par t y building, r equir es polit ical par t y m em bers and cadres m ust t ake t he lead in lear ning, set str ict demands on t hem selves, ... 3 領(lǐng)域。s t echnical m and, on t he dif ficult ies and t o over e t echnical dif f icult ies in t he pr ocess, wor k har d, have made out st anding achievem ent s, m ainly r eflect ed in t he f olowing aspect s: f ir st , car eful or ganization and m anagement achieved r emarkable r esult s. Technical innovat ion pr oject of t he year, st ar t ed and plet ed a ser ies of bids and plet ed t o dat e, f r om pr oduct ion engineering t o put int o pr oduction af t er near ly a year, has achieved ver y signif icant r esult s. A pr oj ect f ir st 56 slot s f r om dismant ling t he old slot j ust 168 days, civil engineer ing, inst allat ion, m issioning, guar ant ee engineer ing qualit y under t he pr em ise, on t he pr oduct ion side t ransfor mat ion under dif f icult condit ions, cr eat ed t he nat ional indust r y39。 傳感器屬于信息 技術(shù)的前沿尖端產(chǎn)品，被廣泛用于工農(nóng)業(yè)生產(chǎn)、國(guó)防、科研和生活Gay is now a pr ovincial key const r uct ion pr oj ect of alum inum Lt d pr ovince wit h an annual out put of 50,000 t ons of t echnical innovat ion pr oj ect of envir onm ental pr ot ect ion and ener gy saving of electr olyt ic alum inum pr oject manager . I n t his t echnological t r ansfor mation pr oj ect s, he has overall r esponsibilt y f or t he daytoday aff air s of t he pr oject. In or der to ensur e t hat southern pany39。測(cè)量技術(shù)達(dá)到的水平愈高，則科學(xué)技術(shù)上的成就會(huì)愈加深廣。隨著生產(chǎn)的發(fā)展，在工業(yè)中，上述設(shè)備對(duì)溫濕度的控制要求越來(lái)越高，隨著人們生活水平的提高，對(duì)日常用品的自動(dòng)化也提出了更高的要求，單片機(jī)的不斷更新?lián)Q代，滿足了上述的要求，達(dá)到自動(dòng)控制品質(zhì)的目的。 在溫濕度 測(cè)量 系統(tǒng)中 ， 單片機(jī)更是起到了不可替代的核心作用 ， 單片機(jī)以其功能強(qiáng)、體積小、可靠性高、造價(jià)低和開(kāi)發(fā)周期短等優(yōu)點(diǎn)， 成 為自動(dòng)化和各個(gè)測(cè)控領(lǐng)域中廣泛應(yīng)用的器件，在工業(yè)生產(chǎn)中 成 為必不可少的器件，尤其是在日常生活中發(fā)揮的作用也越來(lái)越 大。溫度是個(gè)獨(dú)立的被測(cè)量，濕度要受到 大氣壓強(qiáng)和溫度的影響，經(jīng)歷了伸縮法、干濕球法、泠凝法露點(diǎn)法、氯化鋰法露點(diǎn)法、電阻法、電容法、電解法，使?jié)穸葴y(cè)量技術(shù)日漸成熟。準(zhǔn)確測(cè)量監(jiān)控溫濕度數(shù)值的 變化對(duì)一些材料和物品的安全提供了重要保障，尤其在藥品和食品行業(yè)。對(duì)于不同的場(chǎng)所 ，所需 要的溫濕度 高低 范圍不同、精度不同 ，所采用的測(cè)量元器件也就不同，另外測(cè)量的方法以及對(duì)其控制的方式也有所不同；產(chǎn)品工藝不同、控制精度不同、時(shí) 效不同，則對(duì)數(shù)據(jù)采集的精度和采用的控制算法也不同，因而，對(duì)溫濕度的測(cè)控方式是多種多樣的。 CPU 根據(jù)檢測(cè)到的溫度、濕度結(jié)果，判斷這時(shí)的溫度、濕度是否在開(kāi)始設(shè)定好的范圍內(nèi)，若不在，啟動(dòng)系統(tǒng)的報(bào)警器進(jìn)行蜂鳴報(bào)警。 本課題主要 介紹了以單片機(jī) AT89C52 為核心的溫濕度 測(cè)量系統(tǒng) 的 硬件 設(shè)計(jì) ,現(xiàn)場(chǎng)溫、濕度 信號(hào) 采集分別使用單線數(shù)字溫度傳感器 DS18B20 和濕度 傳感器 HIH4000。隨著人民