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Digital Water Developments and Lessons Learned from Automation in the Car and Aircraft Industries
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作者 Dragan Savic 《Engineering》 SCIE EI 2022年第2期35-41,共7页
The provision of water and sanitation services is a key challenge worldwide.The size,complexity,and critical nature of the water and wastewater infrastructure providing such services make the planning and management o... The provision of water and sanitation services is a key challenge worldwide.The size,complexity,and critical nature of the water and wastewater infrastructure providing such services make the planning and management of these systems extremely difficult.Following the digital revolution in many areas of our lives,the water sector has begun to benefit from digital transformation.Effective utilization of remotely sensed weather and soil moisture data for more efficient irrigation(i.e.,for food production),better detection of anomalies and faults in pipe networks using artificial intelligence,the use of nature-inspired optimization to improve the management and planning of systems,and greater use of digital twins and robotics all exhibit great potential to change and improve the ways in which complex water systems are managed.However,there are additional risks associated with these developments,including—but not limited to—cybersecurity,incorrect use,and overconfidence in the capability and accuracy of digital solutions and automation.This paper identifies key advances in digital technology that have found application in the water sector,and applies forensic engineering principles to failures that have been experienced in industries further ahead with automation and digital transformation.By iden-tifying what went wrong with new digital technologies that might have contributed to high-profile acci-dents in the car and aircraft industries(e.g.,Tesla self-driving cars and the Boeing 737 MAX),it is possible to identify similar risks in the water sector,learn from them,and prevent future failures.The key findings show that:①Automation will require“humans in the loop”;②human operators must be fully aware of the technology and trained to use it;③fallback manual intervention should be available in case of tech-nology malfunctioning;④while redundant sensors may be costly,they reduce the risks due to erroneous sensor readings;⑤cybersecurity risks must be considered;and⑥ethics issues have to be considered,given the increasing automation and interconnectedness of water systems.These findings also point to major research areas related to digital transformation in the water sector. 展开更多
关键词 DIGITALIZATION AUTOMATION Water sector Potential risks LESSONS
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Magnetohydrodynamic flow over a moving plate in a parallel stream with an induced magnetic field
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作者 Khamisah Jafar Roslinda Nazar +1 位作者 Anuar Ishak Ioan Pop 《International Journal of Minerals,Metallurgy and Materials》 SCIE EI CAS CSCD 2010年第4期397-402,共6页
一粘滞在在有一个经常的磁场的一条平行溪流的一个动人的扁平的盘子上的电子上进行的液体的边界层流动在边界层平行外面适用于板被调查。部分微分方程的 goveming 系统用类似转变被转变到平常的微分方程。类似方程然后用作为 Keller 盒... 一粘滞在在有一个经常的磁场的一条平行溪流的一个动人的扁平的盘子上的电子上进行的液体的边界层流动在边界层平行外面适用于板被调查。部分微分方程的 goveming 系统用类似转变被转变到平常的微分方程。类似方程然后用作为 Keller 盒子方法知道的一个有限差别的计划数字地被解决。皮肤磨擦系数,速度侧面,和导致的磁场侧面的数字结果为动人的参数,磁性的参数,和相互的磁性的 Prandtl 数字的一些价值被获得。当板和液体搬到相反的方向直到动人的参数的批评的值时,结果显示双解决方案存在,其值取决于磁性的参数的值。 展开更多
关键词 运动参数 感应磁场 流体流动 平板 并行 平行移动 数值结果 常微分方程
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