操作失誤是導(dǎo)致工廠事故的一個(gè)關(guān)鍵因素,也是造成計(jì)劃外停工的最大原因,每年造成數(shù)百萬(wàn)美元的損失。
今天的操作員可能面臨著巨大的壓力,這將影響他們對(duì)異常情況做出反應(yīng)的效率。在正常的操作條件下,操作人員可以成功地應(yīng)用他們的培訓(xùn)技能和基本知識(shí)。即使在出現(xiàn)故障的第一個(gè)跡象時(shí),操作員也能夠確認(rèn)事件并做出相應(yīng)的響應(yīng)。然而,隨著情況開(kāi)始惡化,操作員有效快速響應(yīng)的能力就會(huì)下降。
當(dāng)遇到異常情況時(shí),操作人員可能面臨著信息泛濫,并經(jīng)常出現(xiàn)大量警報(bào)。在危機(jī)中,很難對(duì)所有噪音進(jìn)行分類,并找到正確的數(shù)據(jù)從而做出一個(gè)恰當(dāng)?shù)臎Q定。不恰當(dāng)?shù)臎Q定或未能在適當(dāng)?shù)臅r(shí)間內(nèi)做出反應(yīng)可能會(huì)導(dǎo)致生產(chǎn)事故或更糟的情況、傷害或死亡。
為了克服這些問(wèn)題,橫河公司引進(jìn)了高級(jí)決策支持系統(tǒng)(ADS),以幫助客戶在壓力增加時(shí)(如在運(yùn)營(yíng)初期或異常情況下)做出正確的決策。ADS旨在使用最佳實(shí)踐來(lái)幫助操作者進(jìn)行半結(jié)構(gòu)化或非結(jié)構(gòu)化的決策過(guò)程,以支持他們進(jìn)行判斷。
高級(jí)決策支持包括三個(gè)關(guān)鍵功能:報(bào)警管理、人機(jī)界面(HMI)管理和程序管理。ADS是一種基于橫河在知識(shí)工程和人體工程學(xué)設(shè)計(jì)等領(lǐng)域?qū)I(yè)化顧問(wèn)的咨詢方法。這種組合可以幫助客戶根據(jù)國(guó)際自動(dòng)化協(xié)會(huì)(ISA)全球公認(rèn)的標(biāo)準(zhǔn)有效地集成、設(shè)計(jì)和操作:
ANSI/ISA-101.01-2015 過(guò)程自動(dòng)化系統(tǒng)的人機(jī)界面 ISA106連續(xù)過(guò)程操作的程序自動(dòng)化-目前可提供兩份技術(shù)報(bào)告 ISA-TR106.00.01-2013-連續(xù)過(guò)程操作的過(guò)程自動(dòng)化-模型和術(shù)語(yǔ) ISA-dTR106.02-連續(xù)過(guò)程操作的過(guò)程自動(dòng)化-工作流程(草案)
有效的報(bào)警管理提供了運(yùn)行狀況的清晰視圖,消除了可能導(dǎo)致不必要的工廠停車的盲點(diǎn)。長(zhǎng)期經(jīng)驗(yàn)表明,基于EEMUA#-191指南的報(bào)警設(shè)計(jì)是防止報(bào)警泛濫情況的最根本的方法。橫河電機(jī)幫助客戶實(shí)現(xiàn)基于EEMUA191的報(bào)警系統(tǒng)。
控制室的設(shè)計(jì)需要考慮工作環(huán)境的各個(gè)方面,包括操作員舒適度、人體工程學(xué)、安全性、通信便利性、功能性、系統(tǒng)自動(dòng)化和業(yè)務(wù)策略。橫河電機(jī)幫助客戶物理鞏固及功能整合其控制室。
行業(yè)領(lǐng)導(dǎo)者已經(jīng)認(rèn)識(shí)到自動(dòng)化程序需要標(biāo)準(zhǔn),并成立了ISA-106委員會(huì)。該委員會(huì)用于創(chuàng)建標(biāo)準(zhǔn)、推薦的操作規(guī)范以及流程設(shè)計(jì)和執(zhí)行方面的技術(shù)報(bào)告,以實(shí)現(xiàn)持續(xù)過(guò)程操作的自動(dòng)化。橫河電機(jī)努力參與該標(biāo)準(zhǔn)化進(jìn)程,并提出了解決方案,可以解決新興標(biāo)準(zhǔn) 模塊化的程序自動(dòng)化 中的問(wèn)題。
橫河電機(jī)提供全方位的HMI設(shè)計(jì)咨詢功能,以幫助了解與行業(yè)標(biāo)準(zhǔn)(ISA101)和同行性能相比的現(xiàn)狀;結(jié)合我們的經(jīng)驗(yàn),推動(dòng)生產(chǎn)設(shè)施的改進(jìn)?;谖覀兘?jīng)過(guò)驗(yàn)證的性能、知識(shí)和經(jīng)驗(yàn),我們?yōu)檫^(guò)程控制系統(tǒng)的圖表設(shè)計(jì)提供咨詢服務(wù),以提高工廠的生產(chǎn)率、安全性和工作條件。
Operational error is the single biggest reason for unscheduled shutdowns in process plants, causing several millions of dollars in damages and losses per year. Combine this with an aging skilled workforce leaving the work place, with inexperienced people to replace them, and there is no doubt that process plants face a challenging problem.
Machines don t panic and they always do what they re told. But they can t think on their feet and can t react to situations for which they have not been programmed. Which do you want to depend on when your life depends on it?
In times of abnormal operations, systems are configured to produce lots of data humans are not configured to handle or interpret them. However, when presented with the right information, in the right context, during an abnormal condition, humans are able to do things machines cannot.
Machines can support humans when facing a stressful situation. Using a standards-based approach can reduce the likelihood of a problem escalating.
Dr. Maurice Wilkins - executive advisor at Yokogawa speaks with Alastair Greener from the Business Reporter at the Daily Telegraph and shares his thoughts on Process plant operators, automation and how they need to work together in a crisis.
President CEO of Yokogawa Electric Corporation of Japan, Shu Kaihori, discusses optimizing plant performance with Andy Chatha, President CEO of ARC Advisory Group.