工業(yè)互聯(lián)網(wǎng)作為推動(dòng)數(shù)字經(jīng)濟(jì)與實(shí)體經(jīng)濟(jì)深度融合的關(guān)鍵路徑，現(xiàn)已成為全球主要經(jīng)濟(jì)體促進(jìn)經(jīng)濟(jì)高質(zhì)量發(fā)展的共同選擇，美國(guó)、德國(guó)、日本分別成立工業(yè)互聯(lián)網(wǎng)聯(lián)盟、工業(yè)4.0委員會(huì)、工業(yè)價(jià)值鏈促進(jìn)會(huì)，并分別提出先進(jìn)制造業(yè)領(lǐng)導(dǎo)戰(zhàn)略、工業(yè)4.0戰(zhàn)略、互聯(lián)工業(yè)戰(zhàn)略。我國(guó)工業(yè)互聯(lián)網(wǎng)發(fā)展與美、德、日等發(fā)達(dá)國(guó)家基本同步啟動(dòng)，互存優(yōu)勢(shì)、各具特色。據(jù)麥肯錫調(diào)研報(bào)告顯示，工業(yè)互聯(lián)網(wǎng)在2025年之前每年將產(chǎn)生高達(dá)11.1萬(wàn)億美元的收入；據(jù)埃森哲預(yù)測(cè)，到2030年，工業(yè)互聯(lián)網(wǎng)能夠?yàn)槿驇?lái)14.2萬(wàn)億美元的經(jīng)濟(jì)增長(zhǎng)。另?yè)?jù)預(yù)測(cè)，2030年，5G、工業(yè)互聯(lián)網(wǎng)和人工智能共將創(chuàng)造30萬(wàn)億美元以上經(jīng)濟(jì)增長(zhǎng)
進(jìn)入90年代以后，由于計(jì)算機(jī)網(wǎng)絡(luò)技術(shù)的迅猛發(fā)展，使得DCS系統(tǒng)得到進(jìn)一步發(fā)展，提高了系統(tǒng)的可靠性和可維護(hù)性，在今天的工業(yè)控制領(lǐng)域DCS仍然占據(jù)著主導(dǎo)地位，但是DCS不具備開(kāi)放性，布線復(fù)雜，費(fèi)用較高，不同廠家產(chǎn)品的集成存在很大困難。
從八十年代后期開(kāi)始，由于大規(guī)模集成電路的發(fā)展，許多傳感器、執(zhí)行機(jī)構(gòu)、驅(qū)動(dòng)裝置等現(xiàn)場(chǎng)設(shè)備智能化，人們便開(kāi)始尋求用一根通信電纜將具有統(tǒng)一的通信協(xié)議通信接口的現(xiàn)場(chǎng)設(shè)備連接起來(lái)，在設(shè)備層傳遞的不再是I/O（4～20mA/24VDC）信號(hào)，而是數(shù)字信號(hào)，這就是現(xiàn)場(chǎng)總線。由于它解決了網(wǎng)絡(luò)控制系統(tǒng)的自身可靠性和開(kāi)放性問(wèn)題，現(xiàn)場(chǎng)總線技術(shù)逐漸成為了計(jì)算機(jī)控制系統(tǒng)的發(fā)展趨勢(shì)。從那時(shí)起，一些發(fā)達(dá)的工業(yè)國(guó)家和跨國(guó)工業(yè)公司都紛紛推出自己的現(xiàn)場(chǎng)總線標(biāo)準(zhǔn)和相關(guān)產(chǎn)品，形成了群雄逐鹿之勢(shì)。
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