Shuai Deng, Xin Cheng, Huachun Wu and Yefa Hu
The multi-objective optimization configuration strategy is proposed due to the configuration of EMAs in fault-tolerant control of active magnetic bearing with redundant…
Abstract
Purpose
The multi-objective optimization configuration strategy is proposed due to the configuration of EMAs in fault-tolerant control of active magnetic bearing with redundant electromagnetic actuators involving high-dimensional, nonlinear, conflicting goals.
Design/methodology/approach
A multi-objective optimization model for bias current coefficients is established based on the nonlinear model of active magnetic bearings with redundant electromagnetic actuators. Based on the non-dominated sorting genetic algorithm III, a numerical method is used to obtain feasible and non-inferior sets for the bias current coefficient.
Findings
(1) The conflicting relationship among the three optimization objectives was analyzed for various failure modes of EAMs. (2) For different EMAs' failure modes, the multi-objective optimization configuration strategy can simultaneously achieve the optimal or sub-optimal effective EMF, flux margins, and stability of EMF. Moreover, the characteristics of the optimal Pareto front are consistent with the physical properties of the AMB. (3) Compared with the feasible configuration of C0, the non-inferior configurations can significantly improve the performance of AMB, and the advantages of the multi-objective optimization configuration strategy become more prominent as the asymmetry of the residual supporting structure intensifies.
Originality/value
i) Considering the variation of the rotor displacement during the support reconstruction, a decision-making model that can accurately characterize the dynamic performance of AMB is presented. (ii) The interaction law between AMB and rotor under different failure modes of EMAs is analyzed, and the configuration principles for redundant EMAs are proposed. (iii) Based on the dynamic characteristics of AMB during the support reconstruction, effective EMF, energy consumption, and the Pearson correlation coefficient between the desired EMFs and the decoupled control currents are used as objective functions. iv. The NSGA-III is combined with the decision-making model to address the multi-objective optimization configuration problem of C0.
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Chenggang Duan, Xinmei Liu, Xiaomei Yang and Cheng Deng
Drawing on job demands and resources theory and the challenge-hindrance stressor framework, this study aims to investigate the effect of team knowledge complexity on team…
Abstract
Purpose
Drawing on job demands and resources theory and the challenge-hindrance stressor framework, this study aims to investigate the effect of team knowledge complexity on team information sharing and information searching and examine whether team learning goal orientation mediates these effects.
Design/methodology/approach
The authors conducted two studies. Study 1 used a field survey study conducted among 374 employees positioned in 68 new product teams. Study 2 used a three-wave online survey study conducted among 208 leaders to investigate the teams they managed.
Findings
The findings of the two studies reveal that team knowledge complexity has a positive direct effect on team information sharing and information searching. Furthermore, team learning goal orientation mediates these two relationships.
Practical implications
The findings indicate that team knowledge complexity is generally beneficial for the team information process. Therefore, instead of fearing an increase in the knowledge complexity of the projects, organizations should dare to present challenge demands to team members to enhance their engagement in information processing. Organizations could also pay attention to team member selection during team composition processes. For example, selecting team members with a high level of learning goal orientation is helpful in facilitating team information processing.
Originality/value
Although previous studies have found that knowledge complexity is beneficial for team output, less is known about how knowledge complexity influences team processes. This study clarifies the relationships between team knowledge complexity, information sharing and information searching and examines team learning goal orientation as a vital mediator.
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Pearl M.C. Lin, Kang-Lin Peng, Wai Ching Wilson Au, Hanqin Qiu and Cheng Dan Deng
This study aims to investigate how different menu types trigger diners’ behavioral intentions in restaurants’ innovation diffusion from paper to digital menus.
Abstract
Purpose
This study aims to investigate how different menu types trigger diners’ behavioral intentions in restaurants’ innovation diffusion from paper to digital menus.
Design/methodology/approach
Four menu types, namely, paper menus with text only, paper menus with text and images, digital menus that show text and images or text and video with self-service technological functionality, are designed to empirically examine a mental process through which perceived information quality, perceived food quality and perceived service quality influence diners’ behavioral intentions.
Findings
Based on the online survey data from 502 diners, results show that the menu design influences customers’ perceptions. The video-based digital menu is the most effective to generate diners’ behavioral intentions, followed by a paper menu with text and images.
Research limitations/implications
This study contributes to the innovation diffusion theory and stimulus-organism-responses theory to encourage the joint use of auditory and visual channels for digital menu design in restaurants.
Originality/value
The authors confirm the digital transformation in menu design in restaurants. Restaurant diners are also prepared and comfortable with digital menus, especially in the postpandemic world.
研究目的
本研究目的在于调查在餐厅从纸质菜单到数字菜单的创新扩散过程中, 不同菜单类型如何影响餐厅客人的行为意向。
研究设计/方法/途径
通过设计并使用四种菜单类型, 分别为只有文本的纸质菜单、具有文本和图片的纸质菜单、显示文本和图片或文本和视频的数字菜单以及具有自助技术功能的数字菜单, 本研究以实证方法考察了感知信息质量、感知食品质量和感知服务质量如何影响餐厅客人的行为意向的心理过程。
研究发现
根据对502名餐厅客人的在线调查数据显示, 菜单设计影响了客人的感知。基于视频的数字菜单是影响餐厅客人行为意向最有效的菜单类型, 其次是文本和图片的纸质菜单。
研究启示
本研究表明应鼓励在餐厅数字菜单设计中同时使用听觉和视觉元素。因此, 为研究促进了创新扩散理论和刺激-有机体-反应理论的发展。
研究价值
我们证实了数字菜单在餐厅菜单设计中的转型。餐厅客人, 尤其是在在后疫情时代, 已经准备好并愿意接受使用数字菜单。
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Guangwei Liang, Zhiming Gao, Cheng-Man Deng and Wenbin Hu
The purpose of this study is to reveal the effect of nano-Al2O3 particle addition on the nucleation/growth kinetics, microhardness, wear resistance and corrosion resistance of…
Abstract
Purpose
The purpose of this study is to reveal the effect of nano-Al2O3 particle addition on the nucleation/growth kinetics, microhardness, wear resistance and corrosion resistance of Co–P–xAl2O3 nanocomposite plating.
Design/methodology/approach
The kinetics and properties of Co–P–xAl2O3 nanocomposite plating prepared by electroplating were investigated by electrochemical measurements, scanning electron microscopy, X-ray diffraction, X-ray photoelectron spectroscopy, Vickers microhardness measurement, SRV5 friction and wear tester and atomic force microscopy.
Findings
A 12 g/L nano-Al2O3 addition in the plating solution can transform the nucleation/growth kinetics of the plating from the 3D progressive model to the 3D instantaneous model. The microhardness of the plating increased with the increase of nano-Al2O3 content in plating. The wear resistance of the plating did not adhere strictly to Archard’s law. An even and denser corrosion product film was generated due to the finer grains, with a high corrosion resistance.
Originality/value
The effect of different nano-Al2O3 addition on the nucleation/growth kinetics and properties of Co–P–xAl2O3 nanocomposite plating was investigated, and an anticorrosion mechanism of Co–P–xAl2O3 nanocomposite plating was proposed.
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Jianjun Yang, Lei Gu, Kangxin Liu and Cheng Deng
Implementing green innovation is crucial for firms to build or sustain competitive advantages within the context of the sustainable development goals. Academic research has…
Abstract
Purpose
Implementing green innovation is crucial for firms to build or sustain competitive advantages within the context of the sustainable development goals. Academic research has broadly explored how firms can induce green innovation behavior (GIB), examining external factors, but few studies in the current literature have deeply investigated unabsorbed slack as an internal antecedent of GIB. Drawing upon the behavioral theory of the firm and integrating it with dynamic capabilities theory, this study aims to address this deficiency by investigating the impact of unabsorbed slack on GIB and the mediating roles of two dimensions of capability reconfiguration: capability evolution and capability substitution in the relationship between unabsorbed slack and GIB. Furthermore, this study also discusses the moderating effects of consumer green pressure on the relationship between unabsorbed slack and capability evolution/substitution.
Design/methodology/approach
Survey data were collected from 286 Chinese technology-intensive manufacturing firms to empirically test the relationships among the variables.
Findings
The results reveal that unabsorbed slack has a positive influence on GIB. Furthermore, capability evolution and substitution both play mediating roles in the relationship between unabsorbed slack and GIB. Comparative analysis showed that the mediating effect of capability substitution is stronger than that of capability evolution. Moreover, consumer green pressure strengthens the positive relationship between unabsorbed slack and capability evolution/substitution.
Originality/value
This study enriches the research on the driving forces of GIB and contributes to providing managerial implications for firms to launch green innovation activities.
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This chapter covers a full picture of the remaining chapters. The first part discusses the gap in the literature and the main objectives of this book. The next section overviews…
Abstract
This chapter covers a full picture of the remaining chapters. The first part discusses the gap in the literature and the main objectives of this book. The next section overviews the book's design and methodology which includes the conceptual model, the research design and the research methodology. The final section in this chapter is the book's theoretical and practical contributions.
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This chapter examines the role of the central bank digital currency (CBDC) in achieving the United Nations’ sustainable development goals (SDGs). Digitalisation is transforming…
Abstract
This chapter examines the role of the central bank digital currency (CBDC) in achieving the United Nations’ sustainable development goals (SDGs). Digitalisation is transforming the sustainable development landscape, and there is a need for central banks to play a major role in digital transformation for sustainable development. This topic is important to policymakers interested in how central bank innovation can help support SDGs’ realisation. This study is also relevant to researchers researching how a CBDC can be used to achieve SDGs. The author argued that a CBDC could unlock financing for each SDG, provide convenient access to capital and increase payment efficiency. CBDC can also increase the speed of transaction chains and provide greater capital efficiency for investment in sustainable development activities and projects. A CBDC can support realising the United Nations’ SDGs. Policymakers should ensure that the CBDC in their respective countries is designed to incorporate features that consider sustainable development concerns for attaining the United Nations’ SDGs. There has yet to be an attempt to assess how a CBDC can contribute to realising the United Nations’ SDGs. The literature needs to examine the opportunities CBDC presents for achieving SDGs.
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This chapter reviews different definitions of firm's sustainability then clarifies own definition. The definition consists of three dimensions of firm sustainability other than…
Abstract
This chapter reviews different definitions of firm's sustainability then clarifies own definition. The definition consists of three dimensions of firm sustainability other than the economic – namely, environmental, social and governance which have been discussed and analysed separately in this chapter. In the last section of this chapter, the combination of the three dimensions of firm sustainability (environmental, social and governance) are jointly considered and analysed.
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The chapter reviews the literature on the relationship between sustainability reporting and firm performance. The first section discusses and investigates the relationship between…
Abstract
The chapter reviews the literature on the relationship between sustainability reporting and firm performance. The first section discusses and investigates the relationship between sustainability reporting and operational performance (ROA). The second section discusses and investigates the relationship between sustainability reporting and financial performance (ROE). The third section discusses and investigates the relationship between sustainability reporting and market performance (TQ). The last three sections explain the possible reasons for positive, negative and neutral relationship between sustainability reporting and firm performance.
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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…
Abstract
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.