118 research outputs found

    Ethical Reasoning Development in Project-based Learning

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    This paper will describe the method of ethics instruction in a specific project-based learning program with the aim to improve the current level of moral reasoning skills in the engineering students enrolled in the program. The Accreditation Board for Engineering and Technology (ABET) and the National Society of Professional Engineers (NSPE) have endorsed efforts to improve the teaching of ethics in the engineering curriculum. Criterion 3-f of the ABET outcomes,specifically calls for student attainment of an understanding of ethical and professional responsibility. In response, engineering educators seek to develop curriculum to improve moral reasoning skills, which should lead to increased understanding of processes used to solve ethical dilemmas. This paper describes one method of developing ethical understanding and decision-making processes in the context of project-based learning, specifically students enrolled in Iron Range Engineering or Twin Cities Engineering, sister programs jointly directed by Minnesota State University, Mankato, Itasca Community College and Normandale Community College. Students in the program completed an online survey, the Defining Issues Test version 2, to measure their current moral reasoning skills. Comparative descriptive statistics are presented to compare measured moral reasoning levels of this group with engineering students at other universities and with other college majors.The paper also documents the ethical development activities and discussions that the students complete as part of the ethics curriculum during the year. The results inform engineering educators of the experience of using a particular ethical development curriculum model,specifically, small group discussions of ethical dilemmas moderated by team mentors and faculty members, followed by written student reflection.The next step is to measure any change in moral development levels during the academic year through a pre- and post-test administration of the DIT-2 survey. The results will inform the research team of the growth in moral development in our student group, assessing the effectiveness of the method of ethics instruction used. Additionally, a longitudinal study to measure growth in moral decision-making skills during a four-year undergraduate engineering program is planned

    Organizational adaption for AMT implementation in the SMIs

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    Several factors have been identified as important to the implementation of AMT. A key ingredient to the long term benefits of AMT is the implementation of a parallel process of organizational change to match the technological changes taking place. Increased competitiveness and flexibility of the firms can be achieved if there are high levels of integration of the technologies and mutual adaptation of the organization and technology. To analyse the level of AMT integration and the level of adaptation between organization and technology, a study was conducted in the SMIs of Malaysia using survey questionnaires. The use of computers to integrate the various activities and functions in the SMIs were evaluated to determine the levels of automation practiced in the companies. The adaptation between technology and organization for the small and medium scale industries (SMIs) of Malaysia was determined by identifying the organizational factors important for AMT implementation. Using aggregated index of organizational and technological parameters developed from the questionnaire, a Technology (T)-Organization (O) map was drawn. The T-O map describes the patterns of technology and organizations for the companies and used to classify the position of the companies on the T-O map. Results of the study showed that the level of computer usage in integrating the functions were rather low. The regression analysis carried out to establish the ‘best-fit’ model for the aggregated index showed that the best-fit model for T-O is a polynomial regression model of the 4th order with R2 =0.38766. The result indicates that the variability in the organization has been explained by only 39% in the model developed. A greater fit between organization and technology will be achieved only with higher R2 values. Using the T-O map, only seven companies can be classified as high technology, high organization (HT-HO) whereas almost 83% or 113 companies are in the low technology, low organization (LT-LO) classification. The results clearly indicate that there is lack of integration between the technologies and that the companies are practicing the old methods of management not suitable for AMT implementation

    Off-Axis and On-Axis Performance of Novel Acrylic Thermoplastic (Elium®) 3D Fibre-Reinforced Composites under Flexure Load

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    The flexure response of novel thermoplastic (Elium®) 3D fibre-reinforced composites (FRC) was evaluated and compared with a conventional thermoset (Epolam®)-based 3D-FRC. Ten different types of sample 3D-FRC were prepared by varying fibre orientations, i.e., 0°, 30°, 45°, 60° and 90°, and resin system, i.e., thermoplastic and thermoset. The bending characteristics and failure mechanisms were determined by conducting a three-point bend test. Results elucidate that The flexure response of novel thermoplastic (Elium®) 3D fibre-reinforced composites (FRC) was evaluated and compared with a conventional thermoset (Epolam®)-based 3D-FRC. Ten different types of sample 3D-FRC were prepared by varying fibre orientations, i.e., 0°, 30°, 45°, 60° and 90°, and resin system, i.e., thermoplastic and thermoset. The bending characteristics and failure mechanisms were determined by conducting a three-point bend test. Results elucidate that the on-axis specimens show linear response and brittle failure; in contrast, the off-axis specimens depicted highly The flexure response of novel thermoplastic (Elium®) 3D fibre-reinforced composites (FRC) was evaluated and compared with a conventional thermoset (Epolam®)-based 3D-FRC. Ten different types of sample 3D-FRC were prepared by varying fibre orientations, i.e., 0°, 30°, 45°, 60° and 90°, and resin system, i.e., thermoplastic and thermoset. The bending characteristics and failure mechanisms were determined by conducting a three-point bend test. Results elucidate that the on-axis specimens show linear response and brittle failure; in contrast, the off-axis specimens depicted highly nonlinear response and ductile failure. The thermoplastic on-axis specimen exhibited almost similar flexure strength; in comparison, the off-axis specimens show ~17% lower flexure strength compared to thermoset 3D-FRC. Thermoplastic 3D-FRC shows ~40% higher energy absorption, ~23% lower flexure modulus and ~27% higher flexure strains as compared to its thermoset counterpart

    Bearing performance and damage characteristics of rein-infused thermoplastic 3D woven composites bolted joints

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    This paper presents a comprehensive study on the single-bolt single-shear (SBSS) and double-bolt single shear (DBSS) lap joint performance of resin-infused thermoplastic 3D fibre-reinforced composite (FRC) in on-axis (0°and 90°) and off-axis (45°) configurations. The bearing performance and failure mechanisms are compared with thermoset 3D-FRC. The resin-infused thermoplastic 3D-FRC bolted joint shows improved bearing performance in terms of higher ultimate bearing strength, stiffness loss strength, and reduced damage severity than its thermoset counterpart. Additionally, this paper presents a detailed study on the intermediate and final failure mechanisms, obtained from scanning electron microscopy of the interrupted and ultimate bearing tests, to understand damage progression in SBSS and BDSS lap joints at the submicron level. The major damage characteristics of a thermoplastic 3D-FRC bolted joint include plastic deformation and plastic kinking at the hole front tip, which improve the bearing capacity and reduce stress concentration, damage severity, and its deleterious effects

    Effect of Lithium Chloride (Licl) Dopant on The Performance of Catalysts for the Oxidative Coupling of Methane

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    The present study reports effects of lithium chloride (LiCl) doping on MgO, La2O3, SnO2, CaO and ZnO catalysts. All the catalysts were prepared by the impregnation method. The catalysts were tested at reaction temperature of 775oC. The feed flow rate of methane, oxygen and nitrogen was carried out in the ratio of 3:1:2 giving a weight hourly space velocity (WHSV) of 0.375 g.s/cm3. La2O3 showed the highest C2+ selectivity among the undoped catalysts. All the catalysts were doped with LiCl to compare their methane conversion, selectivity and product yield. The 2.0 mol% LiCl doped into La2O3 was the best catalyst formulation having achieved 46.7% of C2+ selectivity with CH4 conversion of 29.0% and the increase in selectivity was attributed to the presence of chlorine. Hydrogen production was more pronounced for MgO based catalysts and believed to be generated by surfacecatalyzed reactions

    Lean process management implementation through enhanced problem solving capabilities

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    All Original Equipment Manufacturers (OEM) organizations in Aerospace, Automotive and Electronics industries had to upgrade their functions. These organizations including suppliers and solutions providers are duty bound to improve their functions through strategic initiatives. One such initiative is Lean Process Management. Lean Process Management has proven to aid organizations in developing manufacturing and administrative management solutions and make the organization a leaner at the same time a ‘fitter’ one, achieving World Class standards in terms of production, quality, marketing, etc, etc. The issue or problem is, although a number of authors, experts, researchers have discussed the lean process management as part organization centric issues, they failed to provide an effective lean process management system. Besides the need to formulate an effective lean process as suggested by some authors, another important reason suggested is the employee’s development aspect regarding how to unlock the infinite potential of their workforce. This employee’s development is basically the problem solving capabilities of the employees while implementing the Lean through clear cutting protocols or processes of Lean Process Management. The employees need to be developed and equipped to contribute optimally to the process. Because of this scenario, the main objective of this study is to develop an employees development system which the author has acronym or trademark it as People Development System (PDS) to enhance problem solving capability among its employees while implementing the lean process management there. Although, the PDS can be implemented throughout the organization, if it is implemented in a particular department in an organization, it will be feasible to study and analyze its effectiveness in-depth. So, this study documents and analyzes the implementation of Lean process in the Kitting Department of the aerospace company, ABC Company. Qualitative and quantitative measures were also used to document the case study. The outcome of the people development system needs to be measured to understand its value in developing the problem solving capabilities among the employees. Only with developed and equipped employees, the Kitting Department can reduce its wastages, optimize its performance and thereby play a crucial role in making ABC Company a world class organization. As pertinent results of the PDS implementation, in general Kitting Department successfully achieved to meet their Department Key Performance Indicator and particularly the employees’ are also improve by practicing good lean behaviors and skill and knowledge in using lean tools which lead to better leanness level by improving employees’ problem solving capabilities in eliminating waste. On the whole, the lean process management and the resultant PDS is having positive applications, and importantly could also have positive applications in the future as well.Peer Reviewe

    Lean process management implementation through enhanced problem solving capabilities

    Get PDF
    All Original Equipment Manufacturers (OEM) organizations in Aerospace, Automotive and Electronics industries had to upgrade their functions. These organizations including suppliers and solutions providers are duty bound to improve their functions through strategic initiatives. One such initiative is Lean Process Management. Lean Process Management has proven to aid organizations in developing manufacturing and administrative management solutions and make the organization a leaner at the same time a ‘fitter’ one, achieving World Class standards in terms of production, quality, marketing, etc, etc. The issue or problem is, although a number of authors, experts, researchers have discussed the lean process management as part organization centric issues, they failed to provide an effective lean process management system. Besides the need to formulate an effective lean process as suggested by some authors, another important reason suggested is the employee’s development aspect regarding how to unlock the infinite potential of their workforce. This employee’s development is basically the problem solving capabilities of the employees while implementing the Lean through clear cutting protocols or processes of Lean Process Management. The employees need to be developed and equipped to contribute optimally to the process. Because of this scenario, the main objective of this study is to develop an employees development system which the author has acronym or trademark it as People Development System (PDS) to enhance problem solving capability among its employees while implementing the lean process management there. Although, the PDS can be implemented throughout the organization, if it is implemented in a particular department in an organization, it will be feasible to study and analyze its effectiveness in-depth. So, this study documents and analyzes the implementation of Lean process in the Kitting Department of the aerospace company, ABC Company. Qualitative and quantitative measures were also used to document the case study. The outcome of the people development system needs to be measured to understand its value in developing the problem solving capabilities among the employees. Only with developed and equipped employees, the Kitting Department can reduce its wastages, optimize its performance and thereby play a crucial role in making ABC Company a world class organization. As pertinent results of the PDS implementation, in general Kitting Department successfully achieved to meet their Department Key Performance Indicator and particularly the employees’ are also improve by practicing good lean behaviors and skill and knowledge in using lean tools which lead to better leanness level by improving employees’ problem solving capabilities in eliminating waste. On the whole, the lean process management and the resultant PDS is having positive applications, and importantly could also have positive applications in the future as well

    Evidence of disease severity, cognitive and physical outcomes of dance interventions for persons with Parkinson's disease : a systematic review and meta-analysis

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    Background: Patients with Parkinson’s Disease (PD) usually experience worsening of both motor and non-motor symptoms. Dancing has been postulated to help patients with Parkinson’s via several mechanisms that lead to improved physical, cognitive and social functions. Methods: This systematic review was conducted following Cochrane methodology and reported following the PRISMA guideline. Four databases (up to June 2021) were searched for RCTs comparing dance to standard or other physical therapy for improvements in disease severity, quality of life, cognitive and physical outcomes as well as adverse events in patients with PD. We synthesised data using RevMan and included certainty-of-evidence rating (GRADE) for major outcomes. Results: A total of 20 RCTs (N = 723) articles that evaluated Tango, Ballroom, Irish, Waltz-Foxtrot, Folk, Turo, mixed dances and a PD-tailored dance were included. Dancers (versus non-dancers) had better motor experience (MDS-UPDRS 3) (MD -6.01, 95 % CI -9.97 to -3.84; n = 148; 5 RCTs) and improved balance (MiniBest Test) (MD 4.47, 95 % CI 2.29 to 6.66; n = 95; 3 RCTs), with no consistent differences on gait, agility and cognitive outcomes. Small samples and methodological limitations resulted in low-certainty-evidence across outcomes. Conclusions: Apart from a suggestion that dance intervention modestly reduced motor disease severity and improved certain aspects of balance, there is insufficient evidence on all other outcomes, such as agility and motor function, cognitive, mood and social outcomes, quality of life as well as adverse events including the risk of fall. As evidence is insufficient to inform practice, evidence of benefits on motor disease severity and balance needs to be considered in the context of user-perception of benefit versus harm and acceptability in the development of practice guideline recommendations

    Modeling the technology transfer process in the petroleum industry: evidence from Libya

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    The purpose of this study was to propose a conceptual model for technology transfer (TT) that houses several factors. These factors are believed to influence the processes’ effectiveness and guide the TT performance. In addition, this study aimed to explore TT performance and the relationship between TT government support, infrastructure, TT environment, and TT learning capability. Oil production in Libya is dependent on foreign technology transferred into the country by foreign multinational petroleum companies. During the 1980s, the Libyan government launched a program of development known as “Libyanization” in the Libyan petroleum industry in an effort to create an absorptive capacity to acquire petroleum technology dominated by foreign companies. This study evaluates the level of technical change because of TT programs and the impact on knowledge and competitiveness performance of the Libyan petroleum industry. A questionnaire survey was administered to companies in the Libyan petroleum industry. There were 201 responses from industry professionals in the Libyan petroleum industry that were analyzed using structural equation modeling (SEM), exploratory factor analysis (EFA), and confirmatory factor analysis (CFA). In addition, the significance of direct and indirect interrelationships between model factors was determined through SEM. A path model was estimated and specified to include three process enablers, namely government support, host characteristics, and learning technology capability, and one outcome factor named TT performance. The results suggested that government support factor (government support, laws and regulations, petroleum industry strategy, international quality standards, and information technology) and technology learning capability factor (i.e., supervision, adoption, teamwork, absorption, training, technology complexity, and industry knowledge) were determined to be the key predictors of TT performance to the host petroleum industry
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