S. Vinodh, S. Aravindraj, Ravi Sathya Narayanan and N. Yogeshwaran
The purpose of this paper is to report a research in which fuzzy assessment of failure mode and effect analysis (FMEA) was examined on the design of rotary switches.
Abstract
Purpose
The purpose of this paper is to report a research in which fuzzy assessment of failure mode and effect analysis (FMEA) was examined on the design of rotary switches.
Design/methodology/approach
In the case study reported in this paper, fuzzy FMEA of a rotary switch was analysed, starting from its individual components to subsystems. Failure modes were identified and the effect of these modes was studied, then the results before and after taking actions were compared.
Findings
The usage of fuzzy FMEA enabled the reflection of real situation for determining the interdependencies among failure modes and effects of rotary switches with the incorporation of knowledge and expertise of experts.
Research limitations/implications
The assessment has been attempted on a single rotary switch assembly. In future, this method can be applied in complex systems.
Practical implications
The paper shows that the method enabled the decision makers to share information from various working groups.
Originality/value
The case study has been conducted in a rotary switches manufacturing organisation and the results before and after improvement have been compared.
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Huimin Li, Lelin Lv, Feng Li, Lunyan Wang and Qing Xia
The application of the traditional failure mode and effects analysis (FMEA) technique has been widely questioned in evaluation information, risk factor weights and robustness of…
Abstract
Purpose
The application of the traditional failure mode and effects analysis (FMEA) technique has been widely questioned in evaluation information, risk factor weights and robustness of results. This paper develops a novel FMEA framework with extended MULTIMOORA method under interval-valued Pythagorean fuzzy environment to solve these problems.
Design/methodology/approach
This paper introduces innovatively interval-value Pythagorean fuzzy weighted averaging (IVPFWA) operator, Tchebycheff metric distance and interval-value Pythagorean fuzzy weighted geometric (IVPFWG) operator into the MULTIMOORA submethods to obtain the risk ranking order for emergencies. Finally, an illustrative case is provided to demonstrate the practicality and feasibility of the novel fuzzy FMEA framework.
Findings
The feasibility and validity of the proposed method are verified by comparing with the existing methods. The calculation results indicate that the proposed method is more consistent with the actual situation of project and has more reference value.
Practical implications
The research results can provide supporting information for risk management decisions and offer decision-making basis for formulation of the follow-up emergency control and disposal scheme, which has certain guiding significance for the practical popularization and application of risk management strategies in the infrastructure projects.
Originality/value
A novel approach using FMEA with extended MULTIMOORA method is developed under IVPF environment, which considers weights of risk factors and experts. The method proposed has significantly improved the integrity of information in expert evaluation and the robustness of results.
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Abhijeet Ghadge, Xie Fang, Samir Dani and Jiju Antony
The purpose of this paper is to proactively analyse and mitigate the root causes of the product and security risks. The case study approach examines the effectiveness of the fuzzy…
Abstract
Purpose
The purpose of this paper is to proactively analyse and mitigate the root causes of the product and security risks. The case study approach examines the effectiveness of the fuzzy logic approach for assessing the product and process-related failure modes within global supply chain context.
Design/methodology/approach
The case study of a Printed Circuit Board Company in China is used as a platform for conducting the research. Using data triangulation, the data are collected and analyzed through interviews, questionnaires, expert opinions and quantitative modelling for some interesting insights.
Findings
Fuzzy logic approach for failure mode and effect analysis (FMEA) provides a structured approach for understanding complex behaviour of failure modes and their associated risks for products and processes. Today’s managers should conduct robust risk assessment during the design stage to avoid product safety and security risks such as recalls.
Research limitations/implications
The research is based on the single case study and multiple cases from different industry sectors may provide some additional insights.
Originality/value
The study attempts to mitigate the root causes of product and processes using fuzzy approach to FMEA in supply chain network.
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Jeffrey Boon Hui Yap, Martin Skitmore, Yi Wen Lim, Siaw-Chuing Loo and Jason Gray
Quantity surveying is a profession that blends engineering, construction and economics. To be competent is to have the ability to apply the set of related knowledge, skills and…
Abstract
Purpose
Quantity surveying is a profession that blends engineering, construction and economics. To be competent is to have the ability to apply the set of related knowledge, skills and abilities to perform a task effectively. This paper examines the competency requirements for quantity surveyors (QSs) in the face of changing and increasing client needs.
Design/methodology/approach
Based on a detailed meta-analysis of the literature, 12 basic/core and 16 evolving competencies are identified. Primary data were gathered through a field survey involving practicing QSs from client, consultant and contractor organisations, and university students undertaking QS programmes in Malaysia. The data obtained were analysed using both descriptive and inferential statistical tools.
Findings
The significance of the basic/core and evolving competencies are presented. Overall, the most important contemporary skills are cost planning, valuation of works, measurement/quantification and contract documentation. The evolved roles require expertise in communication and negotiation, ethics and professional conduct and value management. The analysis of variance (ANOVA) indicates there are misaligned expectations of the proficiency levels needed to provide contemporary and future services between practitioners in client/consultant organisations, contractors and new generation students.
Originality/value
The findings provide guidance on the education, training and practice of quantity surveying to deal with emerging challenges in the dynamic built environments in Malaysia and beyond.
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Gayathri Yogeshwaran, B.A.K.S. Perera and M.R. Mahendrini Fernando Ariyachandra
Quantity surveying education in Sri Lanka (SL) presently does not appear to be catering to the industry needs indicating that it may not be up to the expected standard. Hence, the…
Abstract
Purpose
Quantity surveying education in Sri Lanka (SL) presently does not appear to be catering to the industry needs indicating that it may not be up to the expected standard. Hence, the purpose of this study is to identify the gap between the competencies of graduate quantity surveyors (QSs) and the competencies that industry in SL expects from them.
Design/methodology/approach
A hybrid approach was used, consisting of desk reviews, expert interviews and a questionnaire survey. A comparative analysis identifying differences between two competency levels was carried out.
Findings
Analysis reveals that competencies of graduate QSs in areas of cost planning, strategic planning, risk management, value management, life cycle cost analysis, sustainability, surveying and levelling, research and development, building surveying and business management are at levels higher than industry needs. However, majority of competencies are at levels lower than industry expectations.
Research limitations/implications
This research was focused only on competencies of QSs who have successfully completed a quantity surveying degree programme accredited by Institute of QSs SL, Royal Institution of Chartered Surveyors, Australian Institute of QSs and Pacific Association of QSs. It excluded non-graduates’ competencies as they gain competencies only through work experience.
Practical implications
This study revealed the need for designing quantity surveying degree programmes to cater to industry needs to ensure that graduates from these programmes are acceptable to the industry.
Originality/value
This study made an original contribution to knowledge by identifying the gap that currently exists between industry needs and programme outcomes of quantity surveying degree programmes, which could be invaluable when improving quantity surveying education in SL.
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Dr Temitope Omotayo, Sin Wen Tan and Damilola Ekundayo
The changing role of quantity surveyors in the new paradigm of sustainable construction requires studies into new competencies and skills for the profession. The impact of…
Abstract
Purpose
The changing role of quantity surveyors in the new paradigm of sustainable construction requires studies into new competencies and skills for the profession. The impact of sustainable construction on quantity surveying services, engagement and how they manage challenges provided an indication of the success indicators of the quantity surveying profession in meeting the sustainable construction needs.
Design/methodology/approach
A five-point Likert scale was developed from the list of quantity surveying firms in Singapore. An 85% response rate from 60 quantity surveying firms contacted in this study provided 51 responses. Descriptive statistics and factor analysis were employed to evaluate the findings.
Findings
The factor analysis categorised the drivers derived from the literature into awareness of sustainable construction, adversarial role on green costing; carbon cost planning; valuing a sustainable property; common knowledge of sustainable construction; and lack of experience in sustainable construction.
Social implications
The research findings supported the idea of increased sustainable construction skills in quantity surveying education, research and training.
Originality/value
The dearth of quantity surveyors with sustainable construction experience must focus on quantity surveying professional bodies and higher education. The quantity surveying profession needs reskilling in green costing and carbon cost planning to meet the needs of sustainable construction.
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L.A.M. Deshapriya, B.A.K.S. Perera, I.W.M.A.D. Ilangakoon and Dilan Weerasooriya
Digitalization has significantly impacted the job roles of construction professionals globally. This study aims to investigate how to manage the adverse effects of digitalization…
Abstract
Purpose
Digitalization has significantly impacted the job roles of construction professionals globally. This study aims to investigate how to manage the adverse effects of digitalization on roles of quantity surveyor (QS) by assessing the level of digitalization of quantity surveying key roles identifying the adverse effects of digitalization on key roles and proposing mitigation strategies to manage adverse effects. It addresses a critical gap by providing a nuanced understanding of adverse effects faced by QSs due to digital advancement.
Design/methodology/approach
Adopting an interpretive stance, the research involved three rounds of 16 semistructured interviews with experts selected through heterogeneous purposive sampling. The data were analyzed using code-based content analysis with NVivo12.
Findings
The study identified ten quantity surveying key roles adopting digital technologies. While digitalization has enhanced efficiency and accuracy, it has also introduced adverse effects such as increased workload, potential burnout due to skills shortages, resistance to digital tools and data security concerns. Effective mitigation strategies include task prioritization, balancing traditional and digital skills and investing in continuous training. The study underscores the need for ongoing professional development for QSs and organizational restructuring to support digital integration, enhance workflow efficiency and reduce resistance to technological changes.
Research limitations/implications
This study’s novel contribution lies in its exploration of the adverse effects of digitalization on the QSs, usage and the level of adaptation of digital tools by QSs and strategies to manage them. Therefore, the findings of this study serve as precious steerage for QSs to have an in-depth understanding of digitalization’s usage and level of adaptation, its adverse effects and mitigation of the adverse effects.
Originality/value
This study’s novel contribution lies in its exploration of the adverse effects of digitalization on the QSs, usage and the level of adaptation of digital tools by QSs and strategies to manage them. Therefore, the findings of this study serve as precious steerage for QSs to have an in-depth understanding of digitalization’s usage and level of adaptation, its adverse effects and mitigation of the adverse effects.
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Hasith Chathuranga Victar, B.A.K.S. Perera, Asha Dulanjalie Palihakkara and Kaveesha Gihani Dewagod
The construction industry is shifting towards becoming more circular by reducing waste, reusing building materials and embracing regenerative solutions for energy generation and…
Abstract
Purpose
The construction industry is shifting towards becoming more circular by reducing waste, reusing building materials and embracing regenerative solutions for energy generation and biodiversity conservation. Thus, construction professionals must perform diversified services to achieve a circular built environment (CBE). Implementing resource planning and waste management in CBE has already posed challenges to the quantity surveying profession; thus, quantity surveyors (QSs) should be equipped with new roles and competencies to tackle challenges in achieving a CBE. Hence, this study aimed to investigate the functions and competencies of QSs at the design and building material sourcing stages in achieving a CBE according to 3R principles.
Design/methodology/approach
The research apprehended a qualitative approach, including two expert interview rounds adhering to the Delphi technique with 14 and 11 experts per each round. Manual content analysis was incorporated to analyse the collected data.
Findings
The research findings revealed the important roles and competencies of QSs in achieving a CBE. In addition, essential functions and competencies were categorised according to the 3R principles (reduce, reuse, recycle) to successfully implement CBE during the Design and Building Material Sourcing stages. According to the 3R principles of CBE, cost control, cost planning, feasibility studies, measurement and quantification, risk management, value engineering and innovations and technologies were well-received by most interviewees as essential roles of QSs during the Design and Building Material Sourcing stages. Further, basic/mandatory competencies (personal, interpersonal, professional practice and business skills), economic analysis, BIM management, cost management and risk management are highly regarded by experts for QS as important competencies to achieve CBE.
Originality/value
With new construction trends, QSs must enhance their conventional roles and competencies and search for new skills and competencies. Those skills and competencies could be linked to the CE concept, either directly or indirectly. Since QS holds a prominent place in sustainable construction in CBE, adapting to changes in the construction industry such as CBE is timely for QSs. Further, there is a shortage of literature regarding QSs' roles and competencies in achieving a CBE; thus, this study will contribute by identifying new avenues for QSs in achieving a CBE in the practice and the research.
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Andrew Ebekozien and Clinton Ohis Aigbavboa
The dynamic nature of the built environment and trending smart construction project complexities demand proactive needs tailored towards architecture, engineering and construction…
Abstract
Purpose
The dynamic nature of the built environment and trending smart construction project complexities demand proactive needs tailored towards architecture, engineering and construction (AEC) education. It is a task for the built environment professionals (BEP) to prepare for the future, including the quantity surveying (QS) profession. Studies are scarce in preparing QS education from Nigeria’s stakeholders’ perspective regarding digital technology. Therefore, this paper aims to investigate how to improve QS education by continually updating curriculum digitalisation to meet the construction industry requirements.
Design/methodology/approach
Data were sourced from elite virtual interviews across Nigeria. A total of 40 key stakeholders knowledgeable in QS education, advocating a future template for the advancement of QS education in higher institutions, were engaged, and saturation was achieved.
Findings
Findings show that improving QS education through continually updating curriculum digitalisation to meet industry requirements cannot be over-emphasised in the 21st-century-built environment industry. The outcomes of the results led to the conclusion that the current QS education curriculum was not meeting the expectations of other BEP stakeholders. Thus, for competitiveness in the future, the QS education curriculum needs to infuse more related-digital technology modules/courses to assist in the sustainability and relevance of the profession within the BEP.
Research limitations/implications
This paper focussed on improving Nigeria’s QS education using digital technologies via a qualitative approach. Future study is needed via a quantitative approach for broader coverage and validation.
Practical implications
The research revealed the need for designing QS programmes to provide for industry demands with emphasis on digital technologies modules/courses. Nigeria’s QS education stakeholders have been stirred up to embrace the curriculum review and make the profession digitalised and relevant within the BEP. The built environment sector is trending towards digitalisation, and the QS programmes cannot afford to be behind.
Originality/value
This research identified the current gap regarding digitalisation of the curriculum. This study will stir QS educational providers and regulators to improve future programmes via digital technologies. It would encourage the use of digital technologies with the right enabling environment. The outcome would mitigate the gap and improve Nigeria’s QS education in the future.
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Irum Inayat, Rooh ul Amin and Malik Mazhar Ali
This paper aims to propose an improved and computationally efficient motion simulation of a flexible variable sweep aircraft.
Abstract
Purpose
This paper aims to propose an improved and computationally efficient motion simulation of a flexible variable sweep aircraft.
Design/methodology/approach
The motion simulation is performed on hardware-in-the-loop simulation setup using 6 degree-of-freedom motion platform. The dynamic model of a flexible variable sweep aircraft, Rockwell B-1 Lancer is presented using equations of motions for combined rigid and flexible motions. The peak filter is introduced as a new method to separate flexible motion from aircraft motion data. Standard adaptive washout filter is modified and redesigned for an accurate flexible aircraft flight simulation. The flight data are generated using FlightGear software. Another motion profile with significant oscillations is also tested. The peak filter and the modified adaptive washout filter both are used to process the data according to the motion envelop of motion platform.
Findings
The performance of the modified adaptive washout filter is evaluated using hardware-in-the-loop simulation setup and results are compared with the standard adaptive washout filter. Results exhibit that the proposed method is computationally cost-effective and improves the motion simulation of flexible aircraft with close to realistic motion cues.
Originality/value
The proposed work presents motion simulation of a flexible aircraft by introducing a peak filter to extract flexible motion in contrast to the traditional motion separation methods. Also, a modified adaptive washout filter is designed and implemented in place of the traditional washout filters for improved flexible aircraft flight motion simulation.