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Article
Publication date: 29 June 2018

Ying Cai, Peijiang Yuan and Dongdong Chen

To improve the accuracy of the industrial robots’ absolute positioning, a Kriging calibration is proposed.

Abstract

Purpose

To improve the accuracy of the industrial robots’ absolute positioning, a Kriging calibration is proposed.

Design/methodology/approach

This method particularly designs a semivariogram for connecting the joint space and the working space. After that, Kriging equations are determined and solved to predict the position errors of targets. Subsequently, a simple and convenient error compensation, which can be implemented on the control command, is proposed.

Findings

The verification experiment of the position-error multiplicity and the Kriging calibration experiment are done in the KUKA R210 R2700 industrial robot. The position-error multiplicity experiment reveals that the position error of the industrial robot varies with the joint angle sets. Besides, the Kriging calibration experiment shows that the maximum of the spatial position errors is reduced from 1.2906 to 0.2484 mm, which reveals the validity of the Kriging calibration.

Originality/value

The special designed semivariation allows this method to be flexible and practical. It can be used in various fields where the angle solutions of industrial robots should be adapted according to the optimal demand and the environment, such as the optimal trajectory planning and the obstacle avoidance. Besides, this method can provide accuracy positioning results.

Details

Industrial Robot: An International Journal, vol. 45 no. 3
Type: Research Article
ISSN: 0143-991X

Keywords

Article
Publication date: 3 October 2016

Rosylin Mohd Yusof, Mejda Bahlous and Roszaini Haniffa

This paper aims to contribute to the banking and housing market literature by proposing an alternative measure of rate of return for Islamic banks that is based on the rental rate…

Abstract

Purpose

This paper aims to contribute to the banking and housing market literature by proposing an alternative measure of rate of return for Islamic banks that is based on the rental rate of the property. This alternative Islamic mortgage pricing mechanism could be adopted by Islamic banks as a replacement for mortgage rates if it is found to be independent from any form of interest rates as required by Islamic law.

Design/methodology/approach

By investigating the short run and long run dynamics between rental price index (RPI) and the proposed Islamic Rental Rate (RR-I) and, three selected macroeconomic indicators in the UK via autoregressive distributed lag model, the authors examine the link between RPI, RR-I and the real economy.

Findings

The findings provide evidence that while RPI in the UK is significantly related to three leading macroeconomic variables, namely, gross domestic product (GDP), real effective exchange rate and interest rates measures, while RR-I is only impacted by changes in GDP. More importantly, the authors show that there is no short or long run dynamics between the rental rate and any form of interest rates.

Research limitations/implications

This paper did not attempt to investigate the impact of the physical attributes of the rental property to formalize the model describing the relationship between RPI and RR-I. Also, other macroeconomic factors like household income growth, risk, house value growth rate and taxation could be included in future models.

Practical implications

As Rental Rate is not linked to the macroeconomic determinants, it is therefore more stable, resilient and sustainable and, at the same time, making the financing less risky for both parties, as they are less susceptible to economic vulnerabilities.

Social implications

Some calculations incorporating the proposed RR-I can also be extended to the pricing of products based on other contracts such as Tawarruq, Bai Bithaman Ajil or even Murabahah for a fairer and just pricing to both the banks and customers.

Originality/value

The results suggest that Islamic banks should consider incorporating the proposed rental rate (RR-I) when pricing their home financing products, as this will lead to less dependence on interest rates for benchmarking. In addition, using the proposed rental rate (RR-I) reduces the exposure to the subjective evaluation by property valuators and speculative macroeconomic elements.

Details

International Journal of Housing Markets and Analysis, vol. 9 no. 4
Type: Research Article
ISSN: 1753-8270

Keywords

Article
Publication date: 1 March 2021

Martina Jordaan and Nita Mennega

The purpose of this empirical research paper is to investigate the self-perceived role of the community partner of a higher education service-learning and community engagement…

361

Abstract

Purpose

The purpose of this empirical research paper is to investigate the self-perceived role of the community partner of a higher education service-learning and community engagement module.

Design/methodology/approach

A qualitative approach was followed by distributing a questionnaire to the community partners of a community engagement module and coding the responses using ATLAS.ti. A total of 36 responses were received from community partners who work with students enrolled in a compulsory undergraduate community-based project module at the University of Pretoria's Faculty of Engineering, Built Environment and Information Technology.

Findings

The community partners share a common interest in the students' education. They are experts in their fields and can share their knowledge with the students and the university. Through these partnerships, long-term reciprocal relationships can develop. Community partners can become co-educators and partners in education. The pragmatist representations of community partners can be challenged when they understand their own stakes in service-learning or community engagement projects. This better aids higher education institutes in the management and evaluation of service-learning and community engagement pedagogies and curricula.

Research limitations/implications

Two main limitations underlie this study. Firstly, this research is based on data from one community module at a single university. Although a large number of students are registered in the module, the study would be improved by conducting it at more than one university countrywide. Secondly, the study was performed during the first coronavirus disease 2019 (COVID-19) lockdown the country experienced. This was a completely unexpected event for which everyone was totally unprepared. Many of the community partners lacked the resources to receive or respond to an online questionnaire. The nature of the lockdown prevented the researchers from reaching these community partners for a face-to-face interview. The voice of these community partners is, therefore, silent.

Practical implications

The community partners reiterated their need to be seen as equal partners in the module and appreciated being part of a group of non-profit enterprises working together with a university to pursue a set of common goals. However, their status as peers depends on their willingness and ability to contribute sufficiently to the structure and demands of the service-learning module. The community partners who were able and willing to orientate each group of students to their organisation's mission and objectives, and who executed their roles according to the course requirements, experienced the greatest success in terms of project effectiveness and efficiency, and also in terms of future benefits when students returned to volunteer or provide donations. Given time, these community partners grew into an equal partner with the university's stakeholders, where both their own needs and those of the students were met during the various service-learning projects.

Social implications

Since all respondents in this study are non-profit organisations, the financial assistance and free labour afforded to them by the students are of paramount importance. The community partners also understand the longer-term value implications of successful student projects, as some students return of their free will to volunteer their services when gainfully employed after graduation.

Originality/value

Community engagement projects are rarely investigated from the community partner's point of view. This paper elicited their responses and examined them through the lens of Fraser's theory of social justice (Fraser, 2009).

Details

Journal of Applied Research in Higher Education, vol. 14 no. 1
Type: Research Article
ISSN: 2050-7003

Keywords

Article
Publication date: 27 June 2019

Samuel Laryea

Construction project management outcomes in the literature typically portray significant deviations from expected outcomes. Various theories from studies that focus superficially…

1488

Abstract

Purpose

Construction project management outcomes in the literature typically portray significant deviations from expected outcomes. Various theories from studies that focus superficially on causes of project cost and time overruns rather than root causes have not addressed this problem. The need is for a better understanding of how procurement strategy provides a fundamental means to address this problem. The purpose of this paper is to examine the procurement strategy used to deliver a new universities project in South Africa within budget and to ascertain its influence on the outcomes.

Design/methodology/approach

A case study was designed to provide a comprehensive and intensive methodology to identify and examine the construction procurement strategy and its influence on the project outcomes. Document analyses and semi-structured interviews were used to collect data on the construction procurement strategy and outcomes from the client team.

Findings

The evidence brought forward demonstrates that the successful outcome was largely a consequence of the client team, procurement strategy and systems of delivery. However, the collaborative procurement strategy formed the basis of the successful project delivery and outcomes. A general observation from the data is that an appropriate construction procurement strategy developed by an experienced client team and proactively implemented by an integrated delivery team working collaboratively is likely to achieve the intended project outcomes.

Practical implications

The findings show three critical keys to achieving intended outcomes – people, procurement strategy and systems of delivery at the governance, portfolio, programme and project management levels.

Originality/value

The value of this paper lies in using a comprehensive methodology to study the relationship between procurement strategy and outcomes. The findings can be applied by client teams to achieve better outcomes and value for money in infrastructure projects.

Details

Engineering, Construction and Architectural Management, vol. 26 no. 9
Type: Research Article
ISSN: 0969-9988

Keywords

Article
Publication date: 19 October 2010

Miroslaw Belej and Sally Sims

Climatic conditions in Poland vary tremendously each year with temperatures exceeding 25°C in the summer and sub‐zero in the winter. Therefore the provision of adequate heating…

Abstract

Purpose

Climatic conditions in Poland vary tremendously each year with temperatures exceeding 25°C in the summer and sub‐zero in the winter. Therefore the provision of adequate heating and cooling in residential, public and industrial buildings is essential. Poland has recently embarked on a refurbishment process known as “thermomodernisation”, which focuses on improving buildings' thermal and energy efficiency. This paper aims to present the results from a case study of refurbished apartments in Olsztyn, Poland, to determine whether this process increases market value.

Design/methodology/approach

The research focuses on property in Olsztyn, Poland where residential property is typically situated in apartments within high‐rise and low‐rise buildings.

Findings

The majority of housing stock in Poland was built during the 1970s to 1990s when the thermal properties of building materials were not considered in the construction process, the thermal performance in most residential buildings is very low and heating costs unacceptably high. The results suggest both occupiers and professionals consider thermomodernisation benefits the occupiers by reducing energy and maintenance costs and improving the amenity value of a home. However, whilst both thought that property value was increased this increase was not significant.

Practical implications

This paper provides information on the financial benefits to the occupier from “thermodernistion”, and encourages professionals to highlight these benefits when marketing property.

Originality/value

No published research has explored this issue. This paper addresses this situation.

Details

Property Management, vol. 28 no. 5
Type: Research Article
ISSN: 0263-7472

Keywords

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