bluuebunny/crossref_metadata_2025_split huggingface dataset:
Impact of the load angle on magnetic radial pressure and torque ripple of a low power PMSM with trapezoidal control
Authors: Uygun Emre , Hecquet Michel , Tounzi Abdelmounaïm , Depernet Daniel , Lanfranchi Vincent , Bruno Serge , Tollance Thierry 
Published: November 2020

Purpose
This paper deals with the study of the influence of the phase shift between currents and back-electromotive forces (back-EMF) on torque ripple and radial magnetic forces for a low power synchronous machine supplied with 120 degrees square-wave currents. This paper aims to establish a good compromise between efficiency, harmonics of torque and harmonics of radial forces at the origin of the electromagnetic noise.

Design/methodology/approach
Based on a finite element approach, torque and magnetic pressure harmonics versus space and frequency are evaluated for different angle values. The evolutions of the different harmonics against the load angle are analyzed and compared to those of experimental measurements.

Findings
Depending on the load torque, field-weakening or field-boosting can be used to reduce current harmonics contributing the most to the radial magnetic forces responsible for the noise. Besides, a compromise can be found to avoid deteriorating too much the performances of the machine, thus being suitable with an industrial application.

Research limitations/implications
This study concerns low power permanent magnet synchronous machines with concentrated windings and driven with a trapezoidal control, while having sinusoidal back-EMF.

Originality/value
The use of a simple mean and suitable with a large-scale manufacturing industry to reduce the identified electromagnetic-borne noise of a specific electric drive makes the originality.
On accuracy of a mutually coupled ladder network model high-frequency parameters identification for a transformer winding using gray wolf optimizer method
Authors: Chanane Abdallah , Belazzoug Messaoud 
Published: November 2020

Purpose
It is not a secret that the identification of the high-frequency ladder network model (LNM) parameters for the transformer winding is a crucial task. This paper aims to present the application of one of the latest swarm intelligence algorithms, namely, gray wolf optimizer (GWO) for the identification of the high-frequency LNM parameters for the transformer winding.

Design/methodology/approach
The physical realizability of a unique ladder network is ensured and it is based on the frequency response analysis and some terminal measurements of a transformer winding.

Findings
The test results on a real transformer winding indicated that the identified model, which is improved and detailed, is superior in terms of representing the physical behavior of the transformer winding in high frequency. The efficiency and the superior capabilities of the proposed GWO method are demonstrated by comparing the later with recent algorithms, such as particle swarm optimization-simulated annealing and crow search. Results show that the proposed GWO is better in terms of optimal solution and fast convergence.

Practical implications
The identified LNM model is mutually coupled and able to reflect the physical behavior of the transformer winding in high frequency; therefore, it is more reliable for the diagnosis and analysis.

Originality/value
Contribution has been offered for the identification and the diagnosis of the transformer winding, using robust algorithms for future research.
Revenue from contracts: cash vs accrual
Authors: Mohanty Biraj Kumar , Routray Saroj Kumar 
Published: November 2020

Learning outcomes
The case provides an insight on the provisions of the IND AS 115 (largely converging with IFRS 15), financial impact of alternative accounting practices and dynamics of a revenue recognition decision. MBA students can use the knowledge derived from the case at their workplace when they encounter accounting of “revenue from a contract with customers”.

Case overview/synopsis
Saifudin Rehman, one of the promoter of Suprajeet Corporation (SUC) had been engaged in electrical installation contract business. The firm had been doing well in the field of small contracts and was having steady growth. People in the firm were also quite acquainted with the kind of contracts they were doing. However, Saifudin always wanted to get into a big contract business. For getting into big installation contracts, the corporation needed more working capital and needed to satisfy the criteria of having a high amount of turnover in the preceding year. The case will be looked into from the perspective of accounting procedure to see the possibility of increasing the revenue by changing the method of accounting in relation to revenue recognition. The case provided the opportunity to evaluate the benefits and the costs involved in changing the accounting method in SUC.

Complexity academic level
Commerce Graduates and MBA I.

Supplementary materials
Teaching notes are available for educators only.

Subject code
CSS 1: Accounting and Finance.
B2B or B2C dilemma in maintenance industry: UrbanKare
Authors: Verma Rajeev , Kothapalli G. K. Murthy , Kumari Ranjani 
Published: November 2020

Learning outcomes
The learning outcomes are as follows: assessing the changing trend in the needs of the customer, leading to evolution of new types of businesses in the urban areas. Deep understanding of household service industry and its future. Assessing the skills and capabilities required to become an entrepreneur and follow entrepreneurship. Understanding the aggregator, two-sided business model prevailing in the market. Understand the concept of business-to-business (B2B), business-to-consumer (B2C) business model in household industry.

Case overview/synopsis
This case study is about two first-generation entrepreneurs from India who started a new innovative service delivery platform, UrbanKare with a vision to organize the household maintenance services industry. The company was founded in 2016 with a seed capital support of the State Government. The idea behind this initiative was to provide customers a professional, reliable and convenient household repair and maintenance services at their fingertips. The biggest challenge they were facing was that of aggregation of service providers (skilled workforce) and maintaining the service quality in the context of B2B and B2C service provision.

Complexity academic level
PG level courses – Industrial Marketing Startup and Business Entrepreneurship.

Supplementary materials
Teaching notes are available for educators only.

Subject code
CSS 8: Marketing.
An ontology-improved vector space model for semantic retrieval
Authors: Tang Mingwei , Chen Jiangping , Chen Haihua , Xu Zhenyuan , Wang Yueyao , Xie Mengting , Lin Jiangwei 
Published: November 2020

Purpose
The purpose of this paper is to provide an integrated semantic information retrieval (IR) solution based on an ontology-improved vector space model for situations where a digital collection is established or curated. It aims to create a retrieval approach which could return the results by meanings rather than by keywords.

Design/methodology/approach
In this paper, the authors propose a semantic term frequency algorithm to create a semantic vector space model (SeVSM) based on ontology. To support the calculation, a multi-branches tree model is created to represent the ontology and a set of algorithms is developed to operate it. Then, a semantic ontology-based IR system based on the SeVSM model is designed and developed to verify the effectiveness of the proposed model.

Findings
The experimental study using 30 queries from 15 different domains confirms the effectiveness of the SeVSM and the usability of the proposed system. The results demonstrate that the proposed model and system can be a significant exploration to enhance IR in specific domains, such as a digital library and e-commerce.

Originality/value
This research not only creates a semantic retrieval model, but also provides the application approach via designing and developing a semantic retrieval system based on the model. Comparing with most of the current related research, the proposed research studies the whole process of realizing a semantic retrieval.
The fate of traditional schools in a context of educational modernization: the case of Si-shu in China
Authors: Jiang Chunjiao , Mao Pengcheng 
Published: November 2020

Purpose:The purpose of this paper is to examine how Si-shu, a traditional form of local, private education grounded in classical instruction, responded to the rapid modernization of education during the late Qing dynasty and early Republic of China and to explain why these schools, once extraordinarily adaptable, finally disappeared.Design/methodology/approach:The authors have examined both primary and secondary sources, including government reports, education yearbooks, professional annals, public archives, and published research to analyze the social, political and institutional changes that reshaped Si-shu in the context of China's late-19th- and early-20th-century educational modernization.Findings:Si-shu went through four stages of institutional change during the last century. First, they faced increased competition from new-style (westernized) schools during the late Qing dynasty. Second, they engaged in a process of intense self-reform, particularly after the Xinhai Revolution of 1911. Third, they were marginalized by the new educational systems of the Republic of China, especially the Renxu School System of 1922 and the Wuchen School System of 1928. Finally, after the foundation of the People's Republic of China in 1949, they were considered remnants of feudal culture and forcibly replaced by modern schools.Originality/value:This paper brings hitherto unexplored Chinese sources to an English-speaking audience in an effort to shed new light on the history of traditional Chinese education. The fate of Si-shu was part of the larger modernization of Chinese education – a development that had both advantages and disadvantages.
Economic assessment of the Igbo entrepreneurship model for entrepreneurial development in Nigeria: evidence from clusters in Anambra state
Authors: Ekesiobi Chukwunonso , Dimnwobi Stephen Kelechi 
Published: November 2020

PurposeThis study presents an economic investigation of the entrepreneurship practise of the Igbos of South-Eastern Nigeria. It is intended to deepen entrepreneurial development and employment generation in the country. This study also provides empirical support to situate the Igbo entrepreneurship model (IEM) among existing entrepreneurship literature, particularly for research in developing countries.Design/methodology/approachThe study adopts a quantitative approach to examine 1,187 responses carefully drawn from the Onitsha and Nnewi business clusters in Anambra state. In addition to descriptive demonstrations, the Propensity Score Matching (PSM) technique is employed to estimate the effects of treatment on the treated by pairing treatment and control units with similar attributes on the propensity score and other likely covariates. Specifically, the PSM is used to perform a counterfactual analysis of the effect of the entrepreneurship model on business outcomes by examining participants and non-participants in the IEM.FindingsThe key findings of the study indicate that entrepreneurs who participated in the IEM have higher business survival rate, business growth rate and access to trade and informal credit, while non-IEM entrepreneurs have better access to formal credit source than the IEM graduates.Research limitations/implicationsGeneralisation of results can be limited since the study is based on responses of samples drawn from two clusters (Onitsha and Nnewi) in Anambra State, South-East Nigeria. The clusters, though situated in Igbo land, are not the only Igbo business locations in the South-East region and the rest of the country. However, with the larger number of the respondents and synchronisation with existing literature in this subject area guarantee the robustness and applicability of the study findings.Originality/valueThe novelty of this study rests on its pioneering attempt to empirically examine how the IEM can drive entrepreneurial development in Nigeria. The authors also distil lessons for evidenced-based replication of the model to provide a sustainable employment channel for the country. The study posits, among other things, that the IEM can be a veritable approach for enterprise development and youth employment in Nigeria.
Interorganizational cooperation and eco-innovation: a literature review
Authors: Pereira Rafael Morais , MacLennan Maria Laura Ferranty , Tiago Eliane Fernandes 
Published: November 2020

Purpose
The presentation of the specificities inherent in the adoption of the cooperation practices for the eco-innovation development is sometimes fragmented and superficial in the literature. So, the purpose of this paper is to analyze how the literature has studied the association between interorganizational cooperation and the development of eco-innovation, for the developing a framework with the different faces of this connection.

Design/methodology/approach
To achieve the proposed objective, the authors conducted a literature review through the Web of Science database. The selected manuscripts were analyzed from the following categories: Why to cooperate?, What is cooperation?, How to cooperate?, Who to cooperate with?, How much is it worth to cooperate?, Where does cooperation take place?, When to cooperate?, and So what?.

Findings
Given the proposed objective, as a general aspect highlighted, the analyzed articles revealed that interorganizational cooperation has been presented as relevant for the development of eco-innovations. Thus, cooperation on their different faces allows companies to overcome resource constraints, even partially, while facilitating the development of different types of ecological innovations as costs and risks are reduced.

Originality/value
The theoretical contribution is expected to be the proposition of a framework capable of systematizing several specificities, including the antecedents and motivations, definitions and cooperation types, cooperation partners, important conditions that highlight how much cooperation is worth, where and when cooperation occurs and, finally, the main insights of this association, to guide future studies.
Lessons on a novel integration approach of emerging market acquisitions in developed countries
Authors: Figueira Sandra , Torres de Oliveira Rui , Rottig Daniel , Spigarelli Francesca 
Published: November 2020

PurposeThis paper constitutes an explorative study into post-acquisition implementation of emerging market acquisitions in developed countries. More specifically, the study aims to better understand how low capability Chinese firms are able to capture value when acquiring high-capability targets in developed countries through a novel post-acquisition integration approach. In so doing, we set out to contribute to the literature on, and managerial insights into, the factors that determine the success of emerging market acquisitions, in general, and the context-specific use of post-acquisition implementation approaches, in particular.Design/methodology/approachThe study follows a qualitative analysis and multiple case study design based on a phenomenon-based research approach. Data and information were collected through semi-structure executive interviews, observations, secondary sources, company report and media accounts.FindingsBased on institutional theory, this study develops a conceptual framework for a tacit value approach toward the integration of acquisitions of developed market targets by emerging market acquirers.Originality/valueThe proposed tacit value approach of post-acquisition integration, which refers to the creation of intangible value over time, differs from the explicit value approach that is associated with the transaction-cost literature and more focused on the creation of tangible value in the short-term.
Developing a practical methodology to improve the health-care services: studying a neonatal intensive care unit case in Oman
Authors: Al-Hinai Nasr , Shamsuzzoha Ahm 
Published: November 2020

PurposeThis study aims to develop a practical methodology to identify possible areas of improvements as well as exploring how to improve the health-care staff flow within a selected department in a hospital.Design/methodology/approachIt focuses on showing how to properly study and analyze the health-care services and processes practiced at a selected department within a hospital. For this, several techniques like non-value-adding activities, time motion study, spaghetti diagram, layout analysis, etc. are used.FindingsTo test the proposed methodology, a neonatal intensive care unit (NICU) of a hospital in Oman was considered as a case study. The study revealed that this unit has several potential improvements capabilities. Further, this study also discussed possible areas of improvements of this case unit and suggested how such improvements can be implemented.Originality/valueSeveral possible improvements are suggested and are discussed with the hospital authority, which can be clarified as the re-layout of the NICU rooms, reorganization of the store to improve the staff flow, increase the work efficiency, introduction of Help Us Support Healing policy, etc., which can enhance the entire operational system at the studied NICU.
Service design for intelligent exhibition guidance service based on dynamic customer experience
Authors: Lee Ching-Hung , Li Qiye , Lee Yu-Chi , Shih Chih-Wen 
Published: November 2020

PurposeA good customer experience means meeting the customer expectation. Thus, unexpected customer experience is usually a good point to initiate improvement or innovation for product or service design. Attempting to enhance the customer experience in the customer journey, this study aims to demonstrate a customer journey centred service design approach to receive the design requirements based on customers' needs and to use a systematic approach to generate solutions.Design/methodology/approachA holistic service design method named 3E model was proposed. It integrates customer experience journey map (CXJM), the theory of inventive problem solving (TRIZ) and service assembly and service replacement mechanism into three design stages. In stage 1, CXJM is enhanced with emotional range analysis to identify the customer pain points as well as customers' requirements (CRs) in exhibition, tourism and hotel sectors for initializing service design. Stage 2 investigates the specific design requirements (DRs) of the smart exhibition system and the contradictions. Then, the innovative principles were analyzed. In Stage 3, expected exhibition service system was designed.FindingsThe new service system which named the smart expo system based on information and communication technology (ICT) is proposed. It consists of “Tourism Link assists”, “i-Kaohsiung hotel service center”, “Smart AEC” and “O2O e-tickets”.Originality/valueThe proposed 3E model builds a systematic and coherent design method for the smart exhibition service area. It provides the linkage and action-oriented guidance from customer pain points, service parameters, innovative principles to solutions.
Analysts’ forecasts between last consensus and earning announcement date
Authors: Zhang Weiqi , Ha Huong , Gay Hui Ting Evelyn 
Published: November 2020

Purpose
Thomson financial database reports a monthly consensus measure of analysts’ forecasts in the third week of every month, and firms’ earnings announcement dates are usually different from the last consensus calculation date. Thus, there is a gap between the last consensus calculation date and the earnings announcement date of firms. This study aims to address the question: “Do analysts issue forecasts that are slightly higher than the consensus number to increase the accuracy of their forecasts?”

Design/methodology/approach
This study is based on a sample of 91,172 quarterly earnings forecasts of various firms from 1990 to 2007 made between the last consensus calculation date and quarterly earnings announcement date. Descriptive statistics and statistical tests were used to analyze the data.

Findings
The findings propose that contrary to expectation, analysts’ forecasts between the last consensus calculation date and earnings announcement date are smaller than the consensus number. Also, the forecasts made between the last consensus and earnings announcement date is not as informative as forecasts made at other times as they could merely reflect the analysts’ herding behavior resulting from their career concerns.

Originality/value
This study provides a link between the literature that studies firms’ meet or beat analysts’ earnings phenomenon and analysts’ forecast decision-making context. This study also provides useful implications for the literature on the information content of analysts’ forecasts.
The effects of tourist incivility, job stress and job satisfaction on tourist guides' vocational commitment
Authors: Akgunduz Yilmaz , Eser Seckin 
Published: November 2020

PurposeThis empirical study explored how tourist incivility, job stress and job satisfaction affect tourist guides' vocational commitment.Design/methodology/approachData were collected via a questionnaire on a convenience sample of tourist guides during February–March 2018. A total of 172 valid questionnaires were collected, of which 100 were online and 72 face-to-face. The hypotheses were tested through multiple regression analyses.FindingsThe results show that job stress reduces both the affective and normative commitment of tourist guides whereas tourist incivility only reduces their normative commitment. The results also show that job satisfaction increases their affective commitment.Practical implicationsThe results show that vocational commitment of tourist guides can be strengthened when job stresses are reduced, they are faced with less incivil behaviors and job satisfaction increases. Tour operators and travel agency managers can implement managerial practices that will reduce the job stress of tourist guides and increase job satisfaction. At the same time, it can be ensured that tourist guides develop a positive attitude toward their profession by supporting the legalization and implementation of regulations that protect from incivil tourist behavior.Originality/valueAlthough both job stress and job satisfaction have received past research attention, no research has studied them in an integrated form with tourist incivility and vocational commitments of tourist guides. In this study, it is predicted that tourist incivility and job stress both affect the job satisfaction and vocational commitment of tourist guides. Conducting such a study of tourist guiding is important because the literature survey reveals that only very limited research has been done into the work of this profession.