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This paper aims to propose a new linear parameter varying (LPV) controller for the robot tracking control problem. Using the identification of the robot dynamics in different work space points about modeling trajectory based on the least square of error algorithm, an LPV model for the robotic arm is extracted.

Parameter set mapping based on parameter component analysis results in a reduced polytopic LPV model that reduces the complexity of the implementation. An approximation of the required torque is computed based on the reduced LPV models. The state-feedback gain of each zone is computed by solving some linear matrix inequalities (LMIs) to sufficiently decrease the time derivative of a Lyapunov function. A novel smoothing method is used for the proposed controller to switch properly in the borders of the zones.

The polytopic set of the resulting gains creates the smooth switching polytopic LPV (SS-LPV) controller which is applied to the trajectory tracking problem of the six-degree-of-freedom PUMA 560 robotic arm. A sufficient condition ensures that the proposed controller stabilizes the polytopic LPV system against the torque estimation error.

Smoothing of the switching LPV controller is performed by defining some tolerances and creating some quasi-zones in the borders of the main zones leading to the compressed main zones. The proposed torque estimation is not a model-based technique; so the model variation and other disturbances cannot destroy the performance of the suggested controller. The proposed control scheme does not have any considerable computational load, because the control gains are obtained offline by solving some LMIs, and the torque computation is done online by a simple polytopic-based equation.

In this paper, a new SS-LPV controller is addressed for the trajectory tracking problem of robotic arms. Robot workspace is zoned into some main zones in such a way that the number of models in each zone is almost equal. Data obtained from the modeling trajectory is used to design the state-feedback control gain.

The idea of using positive humor as a managerial tool is gaining traction in both academia and organizations. The purpose of this paper is to test whether supervisors' use of positive humor in organizations in different perceived cultures (hierarchical, clan, market and adhocracy) influences employees' in-role and extra role performance.

The sample includes 317 clinical and non-clinical employees in public hospitals in Palermo, Italy. Hypotheses are tested using structural equation modeling.

Results indicate that supervisor positive humor has a direct relationship with employee in-role and extra-role performance. Also, supervisor positive humor has a moderating impact on the relationship between organizational culture and in-role and extra-role performance. Moderating effect of supervisor humor have a greater impact on extra-role performance towards individuals or organizational citizenship behavior toward individuals (OCBI).

The first limitation is that this study examines only positive or adaptive kinds of leader humor; negative or maladaptive humor is not included. A further limitation is the role of social (national) organizational culture in our construct. It is claimed that, specific components of national organizational culture are more significant compared with others and that some national organizational cultures are more vital to performance in one part of the organization compared to others (Nazarian et al., 2017). Hofstede's original four dimensions of national culture: power distance, individualism, uncertainty avoidance and masculinity/femininity could be analyzed separately to investigate the role of each variable on the study’s construct.

As Romero and Cruthirds (2006) mentioned, organizations can establish “humor-training seminars” to make the supervisor and team members aware of the benefits of humor in the workplace. For instance, subjects such as appropriate types of humor, gender and ethical differences in appreciating the humor, and matching the humor style with the specific organizational outcome can be discussed. To understand and apply appropriate organizational culture in public organizations, it is beneficial to know which types of culture encourage employee in-role/extra-role performance. This study compared the consequences of the specific dominant culture in relation to the objective of the organization. However, one solution does not fit all. Sometimes managers inevitably follow trends in their industries without noticing other variables (Mason, 2007).

As Romero and Cruthirds (2006) mentioned, organizations can establish “humor-training seminars” to make the supervisor and team members aware of the benefits of humor in the workplace. For instance, subjects such as appropriate types of humor, gender and ethical differences in appreciating the humor, and matching the humor style with the specific organizational outcome can be discussed.

This paper provides evidence to suggest that supervisor humor results in greater employee in-role and extra-role performance.

The purpose of this paper is to examine the relationship between Islamic work ethic (IWE) and employees’ attitude and behaviour in term of perceived organisational justice, psychological ownership (PSY), and employees’ performance in the Islamic financial institutions in Malaysia.

This study used a sample of 301 employees of Islamic financial institutions and employed structural equation modelling-partial least square technique in order to analyse the data.

The findings demonstrated that IWE has both direct and indirect effects on attitudinal as well as behavioural outcomes.

Managers who want to enhance their employees’ attitude and behaviour are strongly advised to give proper attention to the concept work ethic. Moreover, they need to conduct training programs to instil these values and to emphasise its crucial role in enhancing the effectiveness and efficiency of the organisation.

This study contributes to the body of knowledge on IWE by: testing its ability to predict employees’ performance, their perception of organisational justice, and their feeling of PSY, and examining the mediating effect of perceived organisational justice and PSY between IWE and employees’ performance.

The number of natural and man-made disasters is remarkable and threatened human lives at the time of occurrence and also after that. Therefore, an efficient response following a disaster can eliminate or mitigate the adverse effects. This paper aims to help address those challenges related to humanitarian logistics by considering disaster network design under uncertainty and the management of emergency relief volunteers simultaneously.

In this paper, a robust fuzzy stochastic programming model is proposed for designing a relief commodity supply chain network in a disaster by considering emergency relief volunteers. To demonstrate the practicality of the proposed model, a case study is presented for the 22 districts of Tehran and solved by an exact method.

The results indicate that there are many parameters affecting the design of a relief commodity supply chain network in a disaster, and also many parameters should be controlled so that, the catastrophe is largely prevented and the lives of many people can be saved by sending the relief commodity on time.

This model helps decision-makers and authorities to explore optimal location and allocation decisions without using complex optimization algorithms.

To the best of the authors’ knowledge, employee workforce management models have not received adequate attention despite their role in relief and recovery efforts. Hence, the proposed model focuses on the problem of managing employees and designing a disaster logistics network simultaneously. The robust fuzzy stochastic programming method is applied for the first time for controlling the uncertainties in the design of humanitarian relief supply chains.

The purpose of this study is to explain the components of competitive priorities of Indian service firms, to find out the competitive priorities of different service industries in India and to find out how these competitive priorities change across low- and high-performing service firms.

An empirical study of 166 firms from five different service industries is undertaken in New Delhi and its surroundings.

The results reveal the presence of three competitive priorities in the services sector in India: cost, flexibility and quality/delivery, with quality/delivery being the most distinctive competitive priority. Hotel and auto-repair industries are found to be focused on controlling costs, while hospitals, banks and private colleges prioritized quality/delivery. For high-performing firms, cost is the top most competitive priority, followed by quality/delivery and flexibility, while for low-performing firms, quality/delivery remains the top most competitive priority, followed by flexibility and cost.

The paper enhances the understanding of competitive priorities in the Indian services sector. The identification of competitive priorities of different service industries in India and their dynamics across different industries add value to the current literature and fill an important research gap. Additionally, surveying diverse industries in this paper reveals a holistic picture of the Indian service industry and helps achieve some degree of cross-industry perspective.

This study is an attempt to examine the role of sub categories of government expenditures under democratic and military regimes in Pakistan for the period of 1972-2009.

This study exercised autoregressive distributed lag (ARDL) model.

The results show that contractionary fiscal expansion occurs in Pakistan. Moreover, the coefficient of development expenditure positively affects economic growth. It supports the public capital hypothesis that states that public and private investments are complements to each other. The results also show that current expenditure does not contribute to economic growth.

The study recommends that for the purpose of macroeconomic stability, government should reduce its unproductive expenditure and should enhance its resource mobilization.

This study is an attempt to examine the dynamic relationship between the composition of government expenditures and economic growth for Pakistan over the period of 1972-2009. The work is different from already existing literature in Pakistan. The authors' investigated the impact of different categories of government expenditures on economic growth, which has not been studied previously. Moreover, this study included a set of control variables by performing sensitivity analysis which is a significant contribution to the existing literature.

The importance of total quality management (TQM) to organizational achievement and performance has been established by many studies. Nevertheless, studies on the implementation of TQM and its relationship to operational flexibility have been limited, particularly in the developing countries. The purpose of this paper is to address this gap by exploring the extent of the application of TQM and its influence on operational flexibility in Jordanian hospitals.

The study covers both public (King Abdullah University Hospital) and private (Jordan Hospital and Medical Center) health care services. A survey was conducted using a quantitative approach where the researchers distributed 400 questionnaires to selected respondents. The response rate was 57 percent out of the total questionnaires distributed. TQM is an independent variable which consists of eight principles, namely, leadership, employee management, information analysis, training, customer focus, continuous improvement, process management, and supplier management was examined in relation to operational flexibility as a dependent variable which comprises external flexibility and internal robustness.

The findings reveal that there is a significant positive relationship between TQM and operational flexibility. The authors conclude that TQM practices significantly influence the intensity of operational flexibility in Jordanian hospitals.

The significant impact of TQM on operational flexibility has been argued to be positive. The value of the paper is that it points out the influence of TQM on operational flexibility in Jordanian hospitals in order to improve hospital performance and efficiency.

The purpose of this study paper is to identify and prioritize the factors affecting the knowledge flow in high-tech industries.

This research is applied in terms of purpose and descriptive-survey in terms of data collection method. This research has been done in a qualitative–quantitative method. In the qualitative part, due to the nature of the data in this study, expert interviews have been used. The sample studied in this research includes 35 managers and expert professors with experience in the field of knowledge management working in universities and high-tech industries who have been selected by the method of snowball. In the quantitative part, the questionnaire tool and DANP multivariate decision-making method have been used.

In this study, a multicriteria decision-making technique using a combination of DEMATEL and ANP (DANP) was used to identify and prioritize the factors affecting the knowledge flow in high-tech industries. In this study, the factors affecting the knowledge flow, including 8 main factors and 31 subfactors, were selected. Human resources, organizational structure, organizational culture, knowledge communication, knowledge management tools, knowledge characteristics, laws, policies and regulations and financial resources were effective in improving knowledge flow, respectively.

By studying the research, it was found that the study area is limited, and the previous work has remained at the level of documentation and little practical use has been done. In previous research, the discussion of knowledge flow has not been very open, and doing incomplete work causes limited experiences and increases cost and time wastage, and parallel work may also occur. Therefore, to complete the knowledge management circle and fully achieve the research objectives, as well as to make available and transfer the experiences of people working in this field and also to save time and reduce costs, the contents and factors of previous models have been counted. It is designed for high-tech industries, a model for the flow of knowledge.

This study introduces three variables related to brands that have the potential to enhance university students' advocacy intentions. The research explores how university brand identification, the perceived prestige of the university brand and the social benefits associated with the university brand impact students' advocacy intentions. Additionally, the study examines the moderating role of gender in these relationships.

Cross-sectional surveys of 326 undergraduate students enrolled in a Spanish university, and structural equation modeling was used to test and validate the conceptual model.

The findings from the structural equation modeling indicate that university brand identification, perceived university brand prestige and university brand social benefits significantly influence students' advocacy intentions. Furthermore, the multigroup analysis reveals a gender difference in the factors influencing advocacy intentions. Female students demonstrate significance in all three antecedents, whereas male students only show significance in university brand identification and perceived university brand prestige.

The current study's findings provide several insights for higher education institutions in developing enduring and committed relationships with their students.

This study offers relevant insights into the body of research on university branding, explaining the students' advocacy intentions through the variables of university brand identification, perceived university brand prestige and university brand social benefits. Also, this study is a novelty in introducing empirical evidence for the importance of the moderating role of students' gender.