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Article
Publication date: 11 November 2021

Yi Wang, Honghua Wang, Jingwei Zhang and Chao Tan

This paper aims to establish a piecewise Maxwell stress analytical model of bearingless switched reluctance motor (BSRM) for the full rotor angular positions. The proposed…

Abstract

Purpose

This paper aims to establish a piecewise Maxwell stress analytical model of bearingless switched reluctance motor (BSRM) for the full rotor angular positions. The proposed model varies from the existing models, which are only applicable to the partial-overlapping positions of stator and rotor poles. By extending the applicable rotor angular positions, this model provides a basic analytical model for the multi-phase excitation control of BSRM.

Design/methodology/approach

The full rotor angular positions are classified into the partial-overlapping positions and the non-overlapping positions. At first, two different air gap subdividing methods are proposed, respectively, for the two-position ranges. Then, different integration paths are selected accordingly. Furthermore, two approximate methods are presented to calculate the average flux density of each air gap subdivision. Finally, considering the mutual coupling between the two perpendicular radial suspension forces, a piecewise Maxwell stress analytical model is derived for the full rotor angular positions of BSRM.

Findings

A piecewise Maxwell stress analytical model of BSRM is built for the full rotor angular positions, and applicable to the multi-phase excitation mode of BSRM. For the partial-overlapping positions and the non-overlapping positions, two sets of air gap subdividing methods, integration paths and approximate calculation methods of air gap flux densities are proposed, respectively. The accuracy and reliability of the proposed model are verified by the finite element method.

Originality/value

The piecewise Maxwell stress analytical model of BSRM for the full rotor angular positions is proposed for the first time. The novel air gap subdividing methods, integration paths, approximate calculation methods of air gap flux densities and the coupling between the two radial suspension forces are adopted to improve the modeling accuracy. As the applicable range of rotor angular position is extended, this model overcomes the limitation of the existing models only for single-phase excitation mode and contributes to the accurate control of BSRM multi-phase excitation mode.

Details

COMPEL - The international journal for computation and mathematics in electrical and electronic engineering , vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0332-1649

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Article
Publication date: 9 November 2021

Anu Järvensivu and Monika E. von Bonsdorff

The negative stereotypes concerning late-career workers are found to prevail and lead to negative circulation of narratives and actions between individuals and societies…

Abstract

Purpose

The negative stereotypes concerning late-career workers are found to prevail and lead to negative circulation of narratives and actions between individuals and societies. Using the context of late-career entrepreneurs, the paper aims to find an alternative and a more positive narrative concerning late-career work by focusing on entrepreneurs and the narrative positioning related to them.

Design/methodology/approach

The authors used a narrative-positioning analysis, cycling through three levels of analysis and then returning to level two, in order to study our sample of seven narratives written by Finnish late-career entrepreneurs. The authors present in detail one story-telling narrative, by Matthew, and then layer the remaining six narratives to present themes, positioning and actions surrounding being a late-career entrepreneur.

Findings

A more positive narrative circulation was found, which related to the master narrative of entrepreneurs as continuing “until the end” and taking care of themselves, their enterprises and different stakeholder groups even after exiting the enterprise into so-called “retirement.” The entrepreneurs were found to actively use this positive narrative to position themselves both in the story-telling world and in their local interactions. By positioning themselves as “never ending caretakers,” the entrepreneurs gave a strong account that their reasons to continue working centered on the factors social.

Research limitations/implications

The research findings and analysis should be interpreted in the context of the Nordic countries and especially Finland.

Practical implications

The results of this study can inform the ways in which these “never ending caretakers” can transition into retirement and adjust to life spent in retirement.

Originality/value

In the study, entrepreneurs' written answers were analyzed with narrative-positioning analyses. An alternative story of people at work was found, and a more positive narrative circulation was constructed based on their narratives.

Details

Qualitative Research in Organizations and Management: An International Journal, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1746-5648

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Article
Publication date: 1 December 2021

Chi Kit Au, Michael Redstall, Mike Duke, Ye Chow Kuang and Shen Hin Lim

A harvesting robot is developed as part of kiwifruit industry automation in New Zealand. This kiwifruit harvester is currently not economically viable, as it drops and…

Abstract

Purpose

A harvesting robot is developed as part of kiwifruit industry automation in New Zealand. This kiwifruit harvester is currently not economically viable, as it drops and damages too many kiwifruit in the harvesting task due to the positional inaccuracy of the gripper. This is due to the difficulties in measuring the exact effective dimensions of the gripper from the manipulator. The purpose of this study is to obtain the effective gripper dimensions using kinematic calibration procedures.

Design/methodology/approach

A setup of a constraint plate with a dial gauge is proposed to acquire the calibration data. The constraint plate is positioned above the robot. The data is obtained by using a dial gauge and a permanent marker. The effective dimensions of the gripper are used as error parameters in the calibration process. Calibration is exercised by minimizing the difference between target positions and measured positions iteratively.

Findings

The robot with the obtained effective dimensions is tested in the field. It is found that the fruit drops due to positional inaccuracy of the gripper are greatly reduced after calibration.

Practical implications

The kiwifruit industry in New Zealand is growing rapidly and announced plans in 2017 to double global sales by 2025. This growth will put extra pressure on the labour supply for harvesting. Furthermore, the Covid pandemic and resulting border restrictions have dramatically reduced seasonal imported labour availability. A robotic system is a potential solution to address the labour shortages for harvesting kiwifruit.

Originality/value

For kiwifruit harvesting, the picking envelope is well above the robot; the experimental data points obtained by placing a constraint plate above the robot are at similar positions to the target positions of kiwifruit. Using this set of data points for calibration yields a good effect of obtaining the effective dimension of the gripper, which reduces the positional inaccuracy as shown in the field test results.

Details

Industrial Robot: the international journal of robotics research and application, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 0143-991X

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Article
Publication date: 18 November 2021

Christina Öberg

Additive manufacturing has been described as converting supply chains into demand chains. By focusing on metal additive manufacturing as a contemporary technology causing…

Abstract

Purpose

Additive manufacturing has been described as converting supply chains into demand chains. By focusing on metal additive manufacturing as a contemporary technology causing ongoing disruption to the supply chain, the purpose of this paper is to describe and discuss how incumbent firms act during an ongoing, transformational disruption of their supply chain.

Design/methodology/approach

Interviews and secondary data, along with seminars attracting approximately 600 individuals operating in metal additive manufacturing, form the empirical basis for this paper.

Findings

The findings of this paper indicate how disruption occurs at multiple positions in the supply chain. Episodic positions as conceptualised in this paper refer to how parties challenged by disruption attempt to reach normality while speeding the transformational disruption.

Originality/value

This paper contributes to previous research by theorising about episodic positions in light of a supply chain disruption. The empirical data are unique in how they capture supply chain change at the time of disruption and illustrate disruptive, transformational change to supply chains. The paper interlinks research on disruption from the innovation and supply chain literature, with contributions to both.

Details

Supply Chain Management: An International Journal, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1359-8546

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Article
Publication date: 28 October 2021

Natasha Saqib and Ali M. Shah

The purpose of this paper is to develop and validate a positioning taxonomy for the FMCG sector in the Indian emerging market, because a review of the literature shows…

Abstract

Purpose

The purpose of this paper is to develop and validate a positioning taxonomy for the FMCG sector in the Indian emerging market, because a review of the literature shows that existing positioning typologies/taxonomies are based on managerial perspectives rather than consumer/customer perceptions and have only been developed for advanced countries. This study helps to solve this problem by creating a positioning taxonomy for emerging markets.

Design/methodology/approach

In three phases, this study uses a systematic procedure for developing and validating a scale. Phase 1 consists of item generation and selection based on a review of the literature, focus group sessions and expert opinion. The second phase entails scale refinement via exploratory factor analysis. Confirmatory factor analysis is used in Phase 3 to establish convergent, discriminant and nomological validity.

Findings

This study’s findings include a consumer-derived taxonomy of positioning strategies that have been tested and validated. There were four distinct positioning strategies that emerged: value for money, being local, premiumization and product attributes.

Research limitations/implications

The main implication of this paper is to support researchers in developing and validating measurement scales. The limitations include target populations, choice of industry and geography and cross-sectional time horizon of this study.

Practical implications

This study’s practical implications are the four positioning strategies that FMCG managers, advertising and marketing experts in the emerging Indian market could adopt to position their fast moving consumer goods (FMCG) products to achieve the overall success of their organizations.

Social implications

Researchers are provided step-by-step guidance on how to develop and validate a measurement scale.

Originality/value

This study adds to the marketing literature by providing both a solid theoretical foundation and a validated instrument for the operationalization of positioning strategies.

Details

Young Consumers, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1747-3616

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Article
Publication date: 13 September 2021

Leeford Edem Kojo Ameyibor, Peter Anabila and Yvonne Kabeya Saini

This study aims to investigate the relationship between brand positioning and business performance, as well as the mediation effect of brand equity between them within the…

Abstract

Purpose

This study aims to investigate the relationship between brand positioning and business performance, as well as the mediation effect of brand equity between them within the context of Ghana’s alcoholic beverages industry.

Design/methodology/approach

A sample of 196 staff across four alcoholic beverage firms in Accra, Ghana was selected using a judgemental sampling technique. A structural equation modelling approach using partial least squares was used to conduct the analyses to answer the research hypotheses.

Findings

All the hypotheses were confirmed in line with extant literature. Specifically, the study found a positive relationship between brand positioning and business performance. The study also found that brand equity partially mediates the relationship between brand positioning and business performance.

Practical implications

The study serves as a useful guide to strategy and policy formulation in branding in general and specifically on how brand positioning can be effectively deployed as a key strategy to enhance business performance.

Originality/value

The study has practical implications not only for the marketing and sale of alcoholic beverages in Ghana to achieve financial performance but also for lasting competitive advantage.

Details

International Journal of Wine Business Research, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1751-1062

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Article
Publication date: 27 September 2021

Wen-Kuei Wu, Hsiao-Chung Wu and Chih-Sung Lai

This study aims to explore how a buyer's perceived buyer-seller (B-S) guanxi facets (i.e. ganqing, renqing and mianzi) and guanxi positions (i.e. zi-ji-ren, shou-ren and…

Abstract

Purpose

This study aims to explore how a buyer's perceived buyer-seller (B-S) guanxi facets (i.e. ganqing, renqing and mianzi) and guanxi positions (i.e. zi-ji-ren, shou-ren and sheng-ren) affect the seller's influence effectiveness (SIE) and purchase intention (PI) in social commerce.

Design/methodology/approach

This study conducted an online survey in three cities of Taiwan and collected a total of 364 data. The structural equation modeling and cluster analysis were used to test research hypotheses.

Findings

The results indicate that (1) each guanxi facet exerts a different and positive impact on SIE, but only one guanxi facet – renqing – helps improve PI, (2) guanxi facets can be used to predict the buyer's perceived guanxi position toward the seller, (3) the effect of guanxi facets on SIE and PI varies across B-S guanxi positions and (4) the SIE positively mediates effects of guanxi facets on the PI.

Originality/value

This study demonstrates the individual effect of each guanxi facet on SIE and PI and affirms the implicit guanxi position features guanxi facets and determines the buyer's perceived SIE and PI as well. To the best of our knowledge, these findings are rarely proposed in previous research and are beneficial for understanding the guanxi mechanism in social commerce.

Details

Asia Pacific Journal of Marketing and Logistics, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1355-5855

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Article
Publication date: 7 September 2021

Sabrina Spangsdorf and Alex Forsythe

This paper aims to introduce an identity fit perspective adding to the understanding of the Nordic gender equality paradox of top managing positions using a Danish sample as case.

Abstract

Purpose

This paper aims to introduce an identity fit perspective adding to the understanding of the Nordic gender equality paradox of top managing positions using a Danish sample as case.

Design/methodology/approach

In total, five hypotheses concerning identity perception of top managing positions and the relationship with own identity and type of industry were tested through a correlational research design utilizing a cross-sectional survey methodology. A total of 1,054 women aged 18–60 participated in the survey.

Findings

The analysis revealed a strong masculine perception of a top managing position whereas women's own identity perception was much more diverse. The more masculine a woman perceives herself to be, the more motivated she is to climb the career ladder. Type of industry moderates the relationship between identity fit and motivation for top positions, but only for the masculine traits. The relationship between identity fit and motivation is stronger for women in high masculine industries.

Originality/value

Apart from being the first study of identity fit in a Nordic setting, this study contributes to the identity fit theory by employing a semi-objective fit approach exploring identity fit on an industry level, including female-dominated industries, as well as examining identity fit in relation to motivation to pursue a top managing position.

Details

Career Development International, vol. 26 no. 6
Type: Research Article
ISSN: 1362-0436

Keywords

Content available
Article
Publication date: 7 September 2021

Nanna Gillberg and Ewa Wikström

This study was undertaken in order to show how talent management (TM) was performed in practice in a multinational organization as well as how the TM practices affected…

Abstract

Purpose

This study was undertaken in order to show how talent management (TM) was performed in practice in a multinational organization as well as how the TM practices affected both different groups of workers and the perception of talent within the organization.

Design/methodology/approach

Performing talent management was reassessed in the relationship between TM practices, view and identification of talent, attributed positioning and self-positioning of older and younger workers; retrieved from an exploratory single case study in a multinational organization, based on interviews.

Findings

The findings illustrate that despite the struggling to fill key positions with skilled workers, the studied organization adopted approaches to TM that excluded older workers' talent. First, central to performing TM was how talent was viewed and identified, and second, two types of positioning acts were important: the organizations (re)producing of talent management through attributive positioning acts on older/younger workers and older workers' self-positioning of their own talent. The two sides of performing talent management were complex and intertwined resulting in an age-based devaluation of talent at work.

Practical implications

The study points to important issues in designing and performing TM that may be useful to HR and managers as a point of departure in the development of more inclusive approaches to TM.

Originality/value

The concept “performing talent management” was developed as an intertwined relationship between on-going positioning acts and (re)production of status, talent and age at work; recognizing preferences of what was viewed and identified as valued talent as main drivers made it possible to develop an understanding of exclusion and inclusion mechanisms in performing TM.

Details

Journal of Organizational Effectiveness: People and Performance, vol. 8 no. 4
Type: Research Article
ISSN: 2051-6614

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Article
Publication date: 9 July 2021

Jana Brockhaus and Ansgar Zerfass

Corporate communications is often less successful when it is competing for influence with neighboring functions such as marketing or sales within organizations. This…

Abstract

Purpose

Corporate communications is often less successful when it is competing for influence with neighboring functions such as marketing or sales within organizations. This article addresses the internal positioning of communication departments by developing a conceptual framework which helps to understand, analyze and optimize their standing in organizations.

Design/methodology/approach

The research is based on a literature review across several disciplines (e.g. organizational communication, strategic management) and supported by 26 qualitative in-depth interviews with board members, executives and communicators in a global industry company. By combining the theoretical and empirical insights, a framework for positioning communication departments within organizations was developed.

Findings

The framework depicts seven strategies (e.g. expectation and impression management, supporting ambassadors from other departments) and three spheres of influence (organizational integration, internal perceptions and social capital) to strengthen the position of corporate communications.

Research limitations/implications

The conceptual framework has been supported by one case study so far, and future research may further develop and verify it by applying it to a larger number of companies in different industries.

Practical implications

Practitioners can use the framework as an analytical tool to reflect the current situation in their organization and identify opportunities for strengthening it.

Originality/value

This article introduces a novel view in the academic debate about the role and influence of corporate communications. It establishes a framework that helps to identify different drivers and strategies, and lays ground for future research.

Details

Corporate Communications: An International Journal, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1356-3289

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