现场操作员控制的移动计算:石化工厂操作案例研究

Raghavendra Polakonda, Subhashini Ganapathy
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引用次数: 1

摘要

本研究发现,在石化工厂的现场作业中使用移动计算系统,操作人员可以从各种过程变量中“一目了然”地获取信息,这可以大大提高操作人员的态势感知能力。移动设备的使用可以为操作员提供通过触摸和容易的进/出缩放进行交互的灵活性,减少肌肉骨骼压力,促进改进的人机交互。技术摘要背景:过程控制和维护系统已用于石油化工和炼油行业,以提高操作人员的性能和劳动力效率。设计方面,与检索和审查信息相关,直接影响在高风险环境中做出及时和高质量决策的能力,例如涉及时间关键决策环境的石化工厂。因此,有必要了解移动计算、传感器技术、软件算法和计算方法的进步如何为随时随地轻松获取信息提供可能性。目的:本研究的目的是了解移动软件系统在过程控制和维护系统中呈现信息的有效性和使用情况。本文的重点是确定过程控制元素的界面设计在一个移动的形式因素,可以提高现场操作人员的性能。方法:采用实证研究方法,研究石化作业控制信息呈现对现场作业人员移动设备的影响。结果:结果表明,为移动系统设计的界面易于使用,可以有效地帮助操作员控制各要素,同时保持对过程信息的态势感知。结论:随着移动计算变得无处不在,控制操作变得分布式,在不久的将来,采用移动系统进行现场操作将更加普遍。本研究为开发支持过程控制信息的移动设备用户界面提供了设计指南,奠定了基础。该研究可以扩展到集成传感器信息以实现设备信息和基于位置服务的智能信息表示。
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Mobile Computing for Field Operator Control: Petrochemical Plant Operations Case Study
OCCUPATIONAL APPLICATIONS This study found that the use of a mobile computing system for field operations in a petrochemical plant allowed operators to get information “at a glance” from various process variables, which could substantially improve operators’ situational awareness. Use of mobile devices can provide an operator with the flexibility of interacting through touch and easy in/out zooming, reducing musculoskeletal stress and facilitating improved human–computer interaction. TECHNICAL ABSTRACT Background: Process control and maintenance systems have been used in the petrochemical and refining industry for improving operator performance and workforce efficiency. Design aspects, associated with retrieving and reviewing information, directly affect the ability to make timely and quality decisions in high-stakes environments, such as a petrochemical plant where time-critical decision-making contexts are involved. Hence, there is a need to understand how advances in mobile computing, sensor technologies, software algorithms, and computational methods can provide the possibility for easy access to information anytime and anywhere.Purpose: The purpose of this study was to understand the effectiveness and use of mobile software systems in presenting information for process control and maintenance systems. This article focuses on identifying interface design of process control elements on a mobile form factor that can improve the performance of field operators. Methods: An empirical study was conducted to study the effect of information presentation of petrochemical operations control on mobile devices for field operators. Results: Results indicate that the interface designed for mobile systems is easy to use and is effective for the operator to control the elements while maintaining situational awareness of the process information. Conclusion: As mobile computing becomes ubiquitous and control operations become distributed, the adoption of mobile systems for field operations will be more prevalent in the near future. This study sets the foundation by providing design guidelines for developing a user interface for mobile devices supporting process control information. This research can be extended to integrate sensor information for device information and for intelligent information presentation based on location-based services.
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