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Article
Publication date: 29 March 2011

G.J. Chian and M.M. Ratnam

The nose radii of cutting inserts are normally measured using a profile projector or toolmaker's microscope. Since only a sector of a circle is available for the measurement using…

Abstract

Purpose

The nose radii of cutting inserts are normally measured using a profile projector or toolmaker's microscope. Since only a sector of a circle is available for the measurement using such instruments, the radii determined from these methods are inaccurate. The purpose of this paper is to present an alternative method of determining the nose radii more accurately using machine vision.

Design/methodology/approach

The 2D images of the cutting inserts were captured using a CCD camera with the aid of back lighting. The tool nose center in each digitized image was located based on the tool geometry. The curved nose profile was transformed into a linear profile using polar‐radius transformation. The nose radius was then varied within ten pixels of the nominal radius and the average deviation from a straight line profile in the nose region in the polar‐radius plot was evaluated. The radius corresponding to the minimum average deviation is identified as the most accurate radius value.

Findings

For the 15 simulated images of cutting inserts tested, the error in radii determine by the proposed method varied from −4.9 to 3.7 percent. But, the radii were about 9 to 22 percent higher than those measured using the profile projector on commercially available inserts. The radii measured using the profile projector was closer to the nominal radii with an average deviation of −3.2 percent compared to those measured using the proposed method.

Research limitations/implications

The cutting inserts must be clean and free from dust particles when capturing the images; and the insert must be aligned accurately so that the plane of the nose profile is perpendicular to the optical axis of the CCD camera.

Practical implications

The proposed method can be used to determine the nose radii accurately. If the exact nose radius of an insert is known, the tool path can be programmed precisely to obtain high‐dimensional accuracy in the finished product.

Originality/value

The paper shows how a new method of determining the tool nose radii of cutting inserts more accurately compared to the conventional methods, based on a sector of the nose profile, has been developed.

Details

Sensor Review, vol. 31 no. 2
Type: Research Article
ISSN: 0260-2288

Keywords

Article
Publication date: 2 May 2017

Shu-sien Liao, Da-chian Hu, Yu-Chun Chung and Li-Wen Chen

The purpose of this paper is to investigate the relationship between leader-member exchange (LMX), job satisfaction (JS), life satisfaction (LS), and psychological capital (PC…

3446

Abstract

Purpose

The purpose of this paper is to investigate the relationship between leader-member exchange (LMX), job satisfaction (JS), life satisfaction (LS), and psychological capital (PC) for employee relation management.

Design/methodology/approach

A total of 319 valid questionnaires were received from employees of financial and electronics manufacturing industries in Taiwan, and they were then analyzed using a structuring equation model with SPSS 12.0 and LISREL 8.8.

Findings

Good LMX increases psychological capital. Psychological capital enhances both JS and LS, and psychological capital serves as a full mediator for both JS and LS. A moderating effect of industrial characteristics is found between LMX and LS and between psychological capital and LS.

Practical implications

The findings suggest that managers need to focus on leadership style in order to develop employees’ life and JS through building psychological capital.

Originality/value

This study not only obtained further support for predictions derived from the LMX theory but was also a more extensive analysis of the meaningful relationships between job and LS with a mediating effect of psychological capital on employee relation management.

Details

Leadership & Organization Development Journal, vol. 38 no. 3
Type: Research Article
ISSN: 0143-7739

Keywords

Article
Publication date: 20 August 2018

Fei-Fei Cheng, Yu-Wen Huang, Der-Chian Tsaih and Chin-Shan Wu

The purpose of this paper is to examine the evolution of collaboration among researchers in Library Hi Tech based on the co-authorship network analysis.

2720

Abstract

Purpose

The purpose of this paper is to examine the evolution of collaboration among researchers in Library Hi Tech based on the co-authorship network analysis.

Design/methodology/approach

The Library Hi Tech publications were retrieved from Web of Science database between 2006 and 2017. Social network analysis based on co-authorship was analyzed by using BibExcel software and a visual knowledge map was generated by Pajek. Three important social capital indicators: degree centrality, closeness centrality and betweenness centrality were calculated to indicate the co-authorship. Cohesive subgroup analysis which includes components and k-core was then applied to show the connectivity of co-authorship network of Library Hi Tech.

Findings

The results indicated that around 42 percent of the articles were written by single author, while an increasing trend of multi-authored articles suggesting the collaboration among researchers in librarian research field becomes popular. Furthermore, the social network analysis identified authorship network with three core authors – Markey, K., Fourie, I. and Li, X. Finally, six core subgroups each included six or seven tightly connected researchers were also identified.

Originality/value

This study contributed to the existing literature by revealing the co-authorship network in librarian research field. Key researchers in the major subgroup were identified. This is one of the limited studies that describe the collaboration network among authors from different perspectives showing a more comprehensive co-authorship network.

Details

Library Hi Tech, vol. 37 no. 1
Type: Research Article
ISSN: 0737-8831

Keywords

Article
Publication date: 1 February 2000

Yaw A. Debrah and Ian G. Smith

Presents over sixty abstracts summarising the 1999 Employment Research Unit annual conference held at the University of Cardiff. Explores the multiple impacts of globalization on…

11585

Abstract

Presents over sixty abstracts summarising the 1999 Employment Research Unit annual conference held at the University of Cardiff. Explores the multiple impacts of globalization on work and employment in contemporary organizations. Covers the human resource management implications of organizational responses to globalization. Examines the theoretical, methodological, empirical and comparative issues pertaining to competitiveness and the management of human resources, the impact of organisational strategies and international production on the workplace, the organization of labour markets, human resource development, cultural change in organisations, trade union responses, and trans‐national corporations. Cites many case studies showing how globalization has brought a lot of opportunities together with much change both to the employee and the employer. Considers the threats to existing cultures, structures and systems.

Details

Management Research News, vol. 23 no. 2/3/4
Type: Research Article
ISSN: 0140-9174

Keywords

Abstract

Details

Rethinking the Business Models of Business Schools
Type: Book
ISBN: 978-1-78754-875-6

Article
Publication date: 7 August 2017

Soojin Kim, Lisa Tam, Jeong-Nam Kim and Yunna Rhee

The purpose of this paper is to identify associations amongst organizational justice, supervisory justice, authoritarian culture, organization-employee relationship quality and…

7668

Abstract

Purpose

The purpose of this paper is to identify associations amongst organizational justice, supervisory justice, authoritarian culture, organization-employee relationship quality and employee turnover intention.

Design/methodology/approach

An online survey (n=300) was conducted in South Korea.

Findings

Organizational justice and supervisory justice are positively associated with organization-employee relationship quality, while authoritarian organizational culture is negatively associated with it. In addition, there is a positive association between authoritarian organizational culture and turnover intention. Organizational justice and organization-employee relationship quality are negatively associated with turnover intention.

Originality/value

This study contributes to the lack of research on organization-employee relationship quality as a predictor of employee turnover intention and a mediator between authoritarian organizational culture and turnover intention.

Details

Corporate Communications: An International Journal, vol. 22 no. 3
Type: Research Article
ISSN: 1356-3289

Keywords

Book part
Publication date: 15 April 2020

Yubo Tao and Jun Yu

This chapter examines the limit properties of information criteria (such as AIC, BIC, and HQIC) for distinguishing between the unit-root (UR) model and the various kinds of…

Abstract

This chapter examines the limit properties of information criteria (such as AIC, BIC, and HQIC) for distinguishing between the unit-root (UR) model and the various kinds of explosive models. The explosive models include the local-to-unit-root model from the explosive side the mildly explosive (ME) model, and the regular explosive model. Initial conditions with different orders of magnitude are considered. Both the OLS estimator and the indirect inference estimator are studied. It is found that BIC and HQIC, but not AIC, consistently select the UR model when data come from the UR model. When data come from the local-to-unit-root model from the explosive side, both BIC and HQIC select the wrong model with probability approaching 1 while AIC has a positive probability of selecting the right model in the limit. When data come from the regular explosive model or from the ME model in the form of 1 + nα/n with α ∈ (0, 1), all three information criteria consistently select the true model. Indirect inference estimation can increase or decrease the probability for information criteria to select the right model asymptotically relative to OLS, depending on the information criteria and the true model. Simulation results confirm our asymptotic results in finite sample.

Article
Publication date: 15 December 2021

Liew-Phing Pui, Wen-Chian Tan, Ianne Kong and Choon-Hui Tan

This review provides an overview of the applications of Bambara groundnuts in various food products. The genetic diversity, physical properties and chemical compositions of the…

Abstract

Purpose

This review provides an overview of the applications of Bambara groundnuts in various food products. The genetic diversity, physical properties and chemical compositions of the crop are also elucidated.

Design/methodology/approach

This paper critically reviewed the physicochemical properties and applications of Bambara groundnuts from recent literature.

Findings

Bambara groundnut (Vigna subterranea) is a drought-tolerant crop from West Africa that contains not only carbohydrates and fats but is also high in protein. The cultivars of Bambara groundnut can be distinguished by the colours of seeds, which range from red, blue-eye, brown and black-eye. Bambara groundnuts contain carbohydrate (57–67%), protein (15–25%), fat (4–8%), fibre (1.4–1.5%) and ash (2.9–4%). As a percentage of protein, the essential amino acids, lysine, methionine and cysteine are relatively high in Bambara groundnuts. Meanwhile, linoleic, palmitic and linolenic acids are the fatty acids present in this crop.

Practical implications

Several studies have shown that Bambara groundnuts can be used as fat substitutes, emulsifiers, water binders, bulking agents and thickeners due to its water and oil absorption properties, gelling, pasting, emulsifying and foaming abilities. Bambara groundnuts are used in the development of many intermediate or final products like flour blend, cookies, bread and fermented milk. It has a positive impact on the overall proximate, functional, mineral and amino acid profiles of the food products.

Originality/value

Despite its high nutrient density, Bambara groundnuts are an underutilised legume due to unavailability and lack of knowledge among consumers on its benefits. There is a need to promote the use of Bambara groundnuts as a future food.

Details

British Food Journal, vol. 124 no. 11
Type: Research Article
ISSN: 0007-070X

Keywords

Content available
Book part
Publication date: 10 April 2019

Howard Thomas and Yuwa Hedrick-Wong

Abstract

Details

Inclusive Growth
Type: Book
ISBN: 978-1-78973-780-6

Article
Publication date: 1 January 1999

Richard J. Bauer and Julie R. Dahlquist

Discusses research ideas on the distinctions between data, information and knowledge, the categories of knowledge and knowledge‐processing activities in Holsapple and Whinston’s…

Abstract

Discusses research ideas on the distinctions between data, information and knowledge, the categories of knowledge and knowledge‐processing activities in Holsapple and Whinston’s (HW’s) taxonomy (1987, 1988a, 1988b), and their application to markets and the activities of the firm. Describes a manufacturing firm’s inputs, production processes and outputs in terms of HW’s taxonomy, pointing out that management must filter the information surrounding the firm to turn it into knowledge of various types, e.g. descriptive, derived, assimilative etc. Considers the role of information for customers of and investors in the firm; and the relationship between knowledge and efficiency. Identifies three types of knowledge workers (builders, stewards and appliers) and calls for further research on the taxonomy of knowledge and standards of knowledge within the finance discipline.

Details

Managerial Finance, vol. 25 no. 1
Type: Research Article
ISSN: 0307-4358

Keywords

1 – 10 of 252