BUILDING AN EFFECTIVE USER EXPERIENCE AT PULP AND PAPER, TAPPICon24
The operator user experience includes both the human machine interface (HMI) and the physical environment where the user works. Key benefits of effective operator user experience are the ability to detect abnormal situations early, success in handling those situations, and completing tasks faster and more safely. Efforts to improve HMI design have been ongoing for many years to reflect the changing expectations of the plant operator [1]. The ISA‐101HMI Design Standard [18] was published in 2015 and describes the requirements for implementing effective HMIs. Several papers [3, 4, 5, 6] describe the standard and give examples of effective HMI displays. The ISA‐101 Standard also discusses the user environment and utilizing Human Factors Engineering design standards. The idea is to understand who is using the HMI, where they are using it, and how to optimize the equipment design. System design (including hardware and software) should support the users to work in the most efficient way. To do this, it is important to understand how people work and the tasks they must complete. The way in which different users communicate with each other should also be considered in the user experience design. Optimizing the user experience is expected to become even more important as the role of the mill operator evolves from managing individual production areas to coordinating the entire mill operation and predicting future production constraints [2]. Improving the user experience begins by considering the different users and understanding what information they need for their individual roles and responsibilities, resulting in design standards for determining what is the most important, and then how and where to display that information. To get a better understanding of the effort required, this paper discusses a case study, where user experience design was implemented at a pulp and paper mill.
In this case study, multiple workshops were held with several different stakeholders: operations, maintenance, quality control, and management. Each group defined their most important key performance indicators (KPIs) for each process area. These workshops led to a definition document finalized by the whole team. Based on this definition document, the traditional displays were transformed into a more effective HMI design. In addition, the team studied how users used the HMI in their workspaces, which led to improved control room designs to enhance the effectiveness of the user experience.
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