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To realize the operation optimizing of today’s distribution power system (DPS), like economic dispatch, contingency analysis, and reliability and security assessment etc., it is beneficial and indispensable that a faster linear load flow method is adopted with a reasonable accuracy. Considering the high R/X branch ratios and unbalanced features of DPS, the purpose of this paper is to propose a faster and non-iterative linear load flow solution for DPS.

Based on complex function theory, the derivations of the injection current linear approximation have been proposed for the balanced and the single-, double- and three-phase unbalanced loads of DPS on complex plane. Then, a simple and direct linear load flow has been developed with loop-analysis theory and node-branch incidence matrix.

The methodology is appropriate for balanced and single-, double- and three-phase hybrid distribution system with different load models. It provides a fast and robust load flow method with a satisfactory accuracy to handle the problems of DPS whenever the load flow solutions are required.

The distributed generators (DGs) with unity or fixed power factors can be easily included. But the power and voltage nodes cannot be dealt with directly and need to be further studied.

By combining the current linear approximation with the loop theory-based method, a new linear load flow method for DPS has been proposed. The method is valid and acute enough for balanced and unbalanced systems and has no convergent problems.

Noise abatement is one of the key techniques for Partial Discharge (PD) on-line measurement and monitoring. However, how to enhance the efficiency of PD signal noise suppression is a challenging work. Hence, this study aims to improve the efficiency of PD signal noise abatement.

In this approach, the time–frequency characteristics of PD signal had been obtained based on fast kurtogram and S-transform time–frequency spectrum, and these characteristics were used to optimize the parameters for the signal matching over-complete dictionary. Subsequently, a self-adaptive selection of matching atoms was realized when using Matching Pursuit (MP) to analyze PD signals, which leading to seldom noise signal element was represented in sparse decomposition.

The de-noising of PD signals was achieved efficiently. Simulation and experimental results show that the proposed method has good adaptability and significant noise abatement effect compared with Empirical Mode Decomposition, Wavelet Threshold and global signal sparse decomposition of MP.

A self-adaptive noise abatement method was proposed to improve the efficiency of PD signal noise suppression based on the signal sparse representation and its MP algorithm, which is significant to on-line PD measurement.

The authors compared garments made in Poland, Japan and China to investigate the effect of country of manufacture (COM) on garment marketability by Japanese and Chinese experts. The purpose of this paper is to investigate the differences between the Japanese and Chinese experts.

The authors compared ten jackets and ten skirts manufactured by four factories in Poland, Japan and China and one Japanese sample maker using five different textiles. The authors provided the same specifications and sample pattern to each of the garment makers. The garment’s marketability was evaluated by 16 Japanese and 18 Chinese experts using a questionnaire survey, considering garment shape, silhouette, face fabric, sub-materials, anticipated appeal to consumers, sewing and ironing skills, and estimated selling price.

There were high correlations between the Japanese experts’ estimated selling price and evaluation scores in relation to shape, silhouette and face fabric. There were high correlations between the Chinese experts’ estimated selling price and evaluation scores in relation to all items except for face fabric and buttons. However, there were no significant differences between manufacturing countries. Therefore, the garment quality was not dependent on COM because the manufacturing skills of all selected factories were adequate.

This study experimentally investigated the effect of COM on garment marketability by evaluating garments manufactured in Japan, China and Poland using the same pattern and specification sheet. Moreover, these results show differences between the Japanese and Chinese experts for the COM effect.

The purpose of this paper is to propose whistleblowing judgment (WBJ), positive mood (PM), and organizational ethical culture (OEC) as predictors of whistleblowing intention (WBI).

The study obtains the data from 364 usable questionnaires collected from Chinese employees of ten banks in China.

WBJ explains a high variance in WBI while OEC moderate the relationship. A three‐way interaction effect is observed, in which organizational culture affects the strength of PM as a moderator.

Findings are interpreted with respect to theories of moral psychology and organizational behavior. Theoretical implications and limitations of the study are discussed, including potential self‐report bias and self‐selection bias.

The effect of PM on whistleblowing decision making depends on people's perceptions of OEC. Only when people perceive their organizational culture to be unethical do the effect of PM come into play.

Smart card-based E-payment systems are receiving increasing attention as the number of implementations is witnessed on the rise globally. Understanding of user adoption behavior of E-payment systems that employ smart card technology becomes a research area that is of particular value and interest to both IS researchers and professionals. However, research interest focuses mostly on why a smart card-based E-payment system results in a failure or how the system could have grown into a success. This signals the fact that researchers have not had much opportunity to critically review a smart card-based E-payment system that has gained wide support and overcome the hurdle of critical mass adoption. The Octopus in Hong Kong has provided a rare opportunity for investigating smart card-based E-payment system because of its unprecedented success. This research seeks to thoroughly analyze the Octopus from technology adoption behavior perspectives.

Cultural impacts on adoption behavior are one of the key areas that this research posits to investigate. Since the present research is conducted in Hong Kong where a majority of population is Chinese ethnicity and yet is westernized in a number of aspects, assuming that users in Hong Kong are characterized by eastern or western culture is less useful. Explicit cultural characteristics at individual level are tapped into here instead of applying generalization of cultural beliefs to users to more accurately reflect cultural bias. In this vein, the technology acceptance model (TAM) is adapted, extended, and tested for its applicability cross-culturally in Hong Kong on the Octopus. Four cultural dimensions developed by Hofstede are included in this study, namely uncertainty avoidance, masculinity, individualism, and Confucian Dynamism (long-term orientation), to explore their influence on usage behavior through the mediation of perceived usefulness.

TAM is also integrated with the innovation diffusion theory (IDT) to borrow two constructs in relation to innovative characteristics, namely relative advantage and compatibility, in order to enhance the explanatory power of the proposed research model. Besides, the normative accountability of the research model is strengthened by embracing two social influences, namely subjective norm and image. As the last antecedent to perceived usefulness, prior experience serves to bring in the time variation factor to allow level of prior experience to exert both direct and moderating effects on perceived usefulness.

The resulting research model is analyzed by partial least squares (PLS)-based Structural Equation Modeling (SEM) approach. The research findings reveal that all cultural dimensions demonstrate direct effect on perceived usefulness though the influence of uncertainty avoidance is found marginally significant. Other constructs on innovative characteristics and social influences are validated to be significant as hypothesized. Prior experience does indeed significantly moderate the two influences that perceived usefulness receives from relative advantage and compatibility, respectively. The research model has demonstrated convincing explanatory power and so may be employed for further studies in other contexts. In particular, cultural effects play a key role in contributing to the uniqueness of the model, enabling it to be an effective tool to help critically understand increasingly internationalized IS system development and implementation efforts. This research also suggests several practical implications in view of the findings that could better inform managerial decisions for designing, implementing, or promoting smart card-based E-payment system.

This paper aims to examine the development of graffiti in Hong Kong. Based on cultural criminological theories, the study looks at graffiti from the cultural verstehen perspective (Ritzer, 1996) – giving voice to graffiti writers, instead of focusing on how the police or the general public react to the graffiti issue. The research also examines the motives of those writers and whether they perceive graffiti as an act of vandalism or an expression of an art form.

Graffiti is still an underdeveloped research topic in Hong Kong, which is absent not only in the mainstream discourse, but also in mainstream arts. It merely catches the media’s attention when graffiti are associated with political struggles. Thus, this paper aims to bridge the gap between the existing literature reviews and the graffiti development in this cosmopolitan city. In particular, it gives voice to graffiti writers to let readers understand how this hidden group of people perceive the notion of graffiti within their own subcultural discourse – and, at the same time, how the public responds to those graffiti-writings.

The research project, to a certain extent, manifests similarities to the literature reviews at an international level, especially the graffiti studies in London and New York. There are similarities in the graffiti styles – tags, bombs and pieces – and also in terms of the meanings carried behind graffiti-writing in public spaces, which showcase power through occupying space and its association with commercialization. Nevertheless, graffiti in Hong Kong have certain unique features, particularly as regards the official response to graffiti and the linkage of graffiti with politics. As seen in the Umbrella Movement and the Ai wei-wei incident, the legal responses were rigid and efficient, showing that the government paid great attention to the messages delivered in these cases. When no complaints or reports are made to the police, graffiti work is left undisturbed. Only when strong political messages are carried will prompt action be taken.

Graffiti are an underdeveloped research topic in Hong Kong, which is absent not only in the mainstream discourse but also in the mainstream arts. This paper aims to bridge the gap between the existing literature reviews and the graffiti development in Hong Kong. It gives voice to graffiti writers to let readers understand how this hidden group of people perceives the notion of graffiti within their own subcultural discourse and how city dwellers respond to those graffiti-writings.

Since China initiated its “go global” policy that promotes its overseas investment, China’s Outward Foreign Direct Investment (OFDI) has increased almost twenty times during the last 10 years, reaching $55.9 billion in 2008. The issue of internationalization of Chinese OFDI has attracted increasing attention of researchers from a business perspective. This article systematically reviews the previous studies on overseas investments by Chinese MNEs and discusses the characteristics of Chinese internationalization behavior at both firm level and country level. The internationalization of Chinese companies cannot be understood as a simple game of “catch up” with established MNEs, and more firm‐level empirical studies should be carried out on how these characteristics influence firms’ strategic decisions.

Based on the aerodynamic loads and dynamic performances of trains, this study aims to investigate the effect of crosswinds and raindrops on intercity trains operating on viaducts to ensure the safe operation of intercity railways in metropolitan areas.

An approach coupled with the Euler multiphase model as well as the standard k-ɛ turbulence model is used to investigate the coupled flow feature surrounding trains and viaducts, including airflow and raindrops, and the numerical results are validated with those of the wind tunnel test. Additionally, the train’s dynamic response and the operating safety region in different crosswind speeds and rainfall is investigated based on train’s aerodynamic loads and the train wheel–rail dynamics simulation.

The aerodynamic loads of trains at varying running speeds exhibit an increasing trend as the increase of wind speed and rainfall intensity. The motion of raindrop particles demonstrates a significant similarity with the airflow in wind and rain environments, as a result of the dominance of airflow and the supplementary impacts of droplets. As the train’s operating speed ranged between 120 and 200 km/h and within a rainfall range of 20–100 mm/h, the safe operating region of trains decreased by 0.56%–7.03%, compared with the no-rain condition (0 mm/h).

The impact of crosswind speeds and rainfall on the train’s aerodynamic safety is studied, including the flow feature of crosswind and different particle-sized raindrops around the train and viaduct, aerodynamic loads coefficients suffered by the intercity train as well as the operating safety region of intercity trains on the viaduct.

The purpose of this study is to explore the relationship and effect of management support on individual creativity performance by focusing on the individual learning opportunity, adaptability to change and learning motivation in Hong Kong manufacturing companies.

This study is based on survey data collection by using a respondent-driven approach from 266 employees working in Hong Kong-based manufacturing firms. The model and hypotheses were tested by employing variance-based structural equation modeling.

The findings indicate that management support has a positive effect on individual learning opportunity and creativity performance. Also, a significant positive relationship between individual creativity, performance, individual learning opportunity, adaptability to change, and learning motivation has been yielded. The management support has an overall positive link with all variables directly and indirectly.

Top management can foster employee creativity by supporting and providing learning opportunities and motivating employees to develop adaptive capability at an individual level.

An empirical study of how management support can foster individual creativity performance and individual learning opportunity. This study is one of the first to examine the positive relationship between management support and individual creativity by validating a purposed model, especially in the context of the Hong Kong manufacturing industry.