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Engineering Systems Integration
The first book to address the underlying premises of systems integration and how to exposit them into a practical and productive manner, this book prepares systems managers and systems engineers to consider their decisions in light of systems integration metrics. The book addresses two questions: Is there a way to express the interplay of human actions and the result of system interactions of a product with its environment, and are there methods that combine to improve the integration of systems? The systems integration theory and integration frameworks proposed in the book tie General Systems Theory with practice.
eBook
Conceptual Modeling for Understanding and Communicating Complexity During Human Systems Integration in Manned–Unmanned Systems: A Case Study
Informal soft system methodologies hold a significant role in developing complex systems. They bridge system knowledge and sensemaking among heterogeneous stakeholders. This article investigates the application of conceptual models to support such communication and understanding among transdisciplinary stakeholders, ensuring the translation of customer requirements and needs into suitable engineered systems. This article presents a case study incorporating observations, interviews, and a review of conceptual models utilized by an aerospace and defense case company for the development of future Manned–Unmanned Systems. It explores how practitioners employ conceptual modeling to support the Human Systems Integration (HSI) aspects of technological, organizational, and human elements of Manned–Unmanned Teaming (MUM-T) systems. The results indicate that practitioners utilize a mix of informal and formal types of conceptual models when developing Human Systems Integration aspects of the system. Formal models, such as sequence diagrams, requirement overviews, and functional flow models, are applied when addressing technology-focused aspects. Organization-centered modeling leverages representations like stakeholder maps and swimlane diagrams, while people-centered aspects rely more on informal techniques such as storytelling and user personas. The findings suggest a potential underestimation by practitioners of the value of quantification in conceptual modeling for Manned–Unmanned Systems development. This study highlights the important role that conceptual modeling methods play, particularly focusing on the informal aspects. These methods are instrumental in enhancing effective communication and understanding among transdisciplinary stakeholders. Furthermore, they facilitate mutual understanding, which is essential for fostering collaboration and shared vision in the development of complex systems. This facilitates deeper insights and reasoning into HSI for MUM-T applications.
Journal Article
Information System Innovations and Supply Chain Management: Channel Relationships and Firm Performance
This study explores how innovations surrounding supply chain communication systems (SCCS) affect channel relationships and market performance. Drawing on the resource-based view of the firm, the study hypothesizes that certain SCCS innovations can be viewed as firm resources that enhance channel capabilities, which in turn affect a firm's market performance. The empirical research is based on 184 responses from a survey with U.S. supply chain and logistics managers using structural equation modeling as the analytic method. The results suggest that the effect of applied technological SCCS innovations on channel capabilities is mediated by interfirm systems integration. In contrast, administrative SCCS innovations enhance information exchange and coordination activities directly. Furthermore, the influence of applied technological innovations for SCCS is not strong enough to affect either responsiveness of the partnership or firm performance, whereas administrative innovations for SCCS affect both. [PUBLICATION ABSTRACT]
Journal Article
Blockchain technology as an enabler for cross‐sectoral systems integration for developing smart sustainable cities
Smart cities driven by modern technologies are the need of the day to alleviate the urbanisation challenges and improve the overall experience of the citizens. As the role of data‐sharing to facilitate systems integration across city sectors for developing smart cities has grown ever so profoundly, there is a need for decentralisation, transparency, and openness in terms of integration of city sectors to have efficient data diffusion among them. This is extremely important as the requirements of smart sustainable cities are open data sharing to allow service providers to better serve the citizens. Blockchain technology offers these characteristics with the extremely important added advantage of maintaining data security via an immutable record. However, the notion of the use of Blockchain for smart sustainable cities is still in the early years and requires extensive efforts to research and test it. In this research, a state‐of‐the‐art review is conducted to explore the usefulness of Blockchain technology in smart sustainable city development with a specific focus on cross‐sectoral systems integration, highlighting the gaps in the existing body of knowledge. This leads to the proposal of a novel framework for the use of Blockchain for smart sustainable cities, linking together service providers and citizens. As the role of data‐sharing to facilitate systems integration across city sectors for developing smart cities has grown ever so profoundly, there is a need for decentralisation, transparency, and openness in terms of integration of city sectors to have efficient data diffusion among them. Blockchain technology offers the advantage of maintaining data security via an immutable record. This state‐of‐the‐art research explores the usefulness of Blockchain technology in smart sustainable city development with a specific focus on cross‐sectoral systems integration, highlighting the gaps in the existing body of knowledge.
Journal Article
The impact of information management strategies on decision-making effectiveness in Jordanian private hospitals
This study aimed to investigate the impact of information management strategies on decision-making effectiveness in Jordanian private hospitals. It examines how data accuracy, accessibility, technology adoption, and information system integration influence decision-making effectiveness while considering the critical mediation role of organizational culture. A quantitative approach was employed; structured questionnaires were used to collect data from healthcare professionals in selected Jordanian private hospitals, which included hospital administrators, IT staff, and clinical managers. The total sample consisted of 357 out of 400 sent questionnaires. The study utilized partial least squares (PLS) and structural equation modeling (SEM) to assess the relationships between the variables. Based on β and R2 values, the results indicated that information management strategies significantly affect decision-making effectiveness, in addition to a vital role of organizational culture. The results indicate that data accuracy, accessibility, technology adoption, and information system integration influence decision-making effectiveness. Additionally, it stresses that organizational culture significantly influences the relationship between information management strategies and decision-making effectiveness in private hospitals in Jordan.
Journal Article
Positive Correlations between Short-Term and Average Long-Term Fluctuations in Wind Power Output
Wind power has been increasingly deployed in the last decade to decarbonize the electricity sector. Wind power output changes intermittently depending on weather conditions. In electrical power systems with high shares of variable renewable energy sources, such as wind power, system operators aim to respond flexibly to fluctuations in output. Here, we investigated very short-term fluctuations, short-term fluctuations (STFs), and long-term fluctuations (LTFs) in wind power output by analyzing historical output data for two northern and one southern balancing areas in Japan. We found a relationship between STFs and the average LTFs. The percentiles of the STFs in each month are approximated by linear functions of the monthly average LTFs. Furthermore, the absolute value of the slope of this function decreases with wind power capacity in the balancing area. The LTFs reflect the trend in wind power output. The results indicate that the flexibility required for power systems can be estimated based on wind power predictions. This finding could facilitate the design of the balancing market in Japan.
Journal Article
Performance assessment of a low-cost inertial measurement unit based ultra-tight global navigation satellite system/inertial navigation system integration for high dynamic applications
Owing to large Doppler shifts, the signal of global navigation satellite system is difficult to be acquired and tracked by a receiver for high dynamic vehicles, such as missiles, aircrafts and spacecrafts. Hence, the inertial navigation system is usually used to aid the acquisition and tracking. Compared with the traditional scale tracking, the vector tracking has better performances in the navigation robustness and the immunity to interferences. Although the vector tracking aided by a low-cost inertial measurement unit (IMU) is not as good as the one aided by high-grade IMU in the tracking performance and stability, the low-cost IMU based vector tracking loop has lower price, smaller size and lighter weight. Hence, it is valuable to reduce the expense of ultra-tight integration system. In this paper, an ultra-tight integration system using the low-cost IMU based vector tracking is proposed to achieve the vector tracking and navigation for high dynamic applications. As the critical factor in the ultra-tight integration, the Doppler frequency shift is estimated and compensated to achieve the acquisition and tracking of every satellite. Then, a vector tracking Kalman filter is designed to implement the vector tracking and integrated navigation. To verify the effectiveness of the ultra-tight integration, an experiment system is built and a high dynamic scenario is simulated. The results prove that the designed ultra-tight integration system has perfect tracking and navigation performances for high dynamic applications.
Journal Article
A case study of a simultaneous integration in an SME
Purpose The purpose of this paper is to analyze the simultaneous implementation of an integrated management system (IMS) in a small and medium-sized enterprise (SME) and its impact on costs.Design/methodology/approachBased on a case study, the paper presents and analyzes the implementation of the ISO 9001 and ISO 14001 management system (MS) standards. The organization analyzed is an SME of the heating and air conditioning sector that had no MSs implemented (common in the sector) and decided to implement an IMS based on both function-specific MS standards (MSSs) and also achieving the separated certification. The analysis of expected and real costs is also presented.FindingsThe results show that a simultaneous integration is possible and the cost analysis evidences the improvement of the organization's efficiency. The certificates for both MSSs were also achieved. These findings help in confirming theoretical statement posed in the literature of the integration of MSs: integration strategy, methodology and level. The organization values this integrated implementation as very positive internally and externally, as this is one of the first organizations of the sector implementing and integrating the ISO 9001 and ISO 14001.Originality/valueAlthough studies analyzing empirically the integration of MSs have been widely published in recent years, to the best of the authors' knowledge, this is one of the first papers analyzing the implementation of an IMS directly and analyzing its costs. In addition, this paper provides evidence that those organizations implementing integration later than others, can learn from the beginners' experience.
Journal Article