Li Li, Tong Huang, Chujia Pan, J.F. Pan and Wenbin Su
The purpose of this paper aims to investigate the adaptive impedance control and its optimized PSO algorithm for force tracking of a dual-arm cooperative robot. Because the…
Abstract
Purpose
The purpose of this paper aims to investigate the adaptive impedance control and its optimized PSO algorithm for force tracking of a dual-arm cooperative robot. Because the dual-arm robot is directly in contact with external environment, controlling the mutual force between robot and external environment is of great importance. Besides, a high compliance of the robot should be guaranteed.
Design/methodology/approach
An impedance control based on Particle Swarm Optimization (PSO) algorithm is designed to track the mutual force and achieve compliance control of the robot end.
Findings
The experimental results show that the impedance control coefficients can be automatically tuned converged by PSO algorithm.
Originality/value
The system can reach a steady state within 0.03 s with overshoot convergence, and the force fluctuation range at the steady state decreases to about ±0.08 N even under the force mutation condition.
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Abstract
Purpose
Few studies have focused on the impact of conjugal control and non-conjugal control on the innovation capability of family firms. In the context of the relative lack of research on the relationship between family firm heterogeneity and innovation ability, this study aims to focus on the differentiated impact of husband–wife-controlled family listed companies and non-husband–wife-controlled family listed companies on their innovation capabilities, which provides empirical evidence with more Chinese institutional and cultural characteristics for the development of corporate organizational management and innovation theories.
Design/methodology/approach
Taking all A-share listed family firms from 2007 to 2016 as the research sample, this paper examines the influence of spousal control on firm innovation level by empirical research method.
Findings
The empirical results show that compared with non-spousal-controlled family enterprises, spousal-controlled family enterprises have significant positive effects on the level of enterprise innovation. Further studies suggest that joint management of spousal-controlled family enterprises improves the level of innovation. Authority difference of the couple will weaken the innovation capacity. However, the wife’s professional skills can promote the innovation level.
Originality/value
Focusing on the characteristics of family internal structure and embedding marriage relationship in the enterprise organization, this paper investigates the influence of different characteristics of husband and wife and cooperation mode on enterprise innovation, and the conclusion enriches the theory of family business and family science, as well as provides important information reference for the stakeholder groups in the capital market.
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Peng Chen, Li Lan, Mingxing Guo, Fei Fei and Hua Pan
By comparing and contrasting the two scenarios of power producers investing in renewable energy and electricity sellers investing in renewable energy, we explore the conditions…
Abstract
Purpose
By comparing and contrasting the two scenarios of power producers investing in renewable energy and electricity sellers investing in renewable energy, we explore the conditions under which profit growth and carbon emission reduction can be realized, and provide a theoretical basis for decision-making on renewable energy investment by electric power companies as well as for government policy formulation.
Design/methodology/approach
This paper constructs a game model of a grid supply chain consisting of a leader generator and a follower seller in the context of the C&T mechanism, considering two scenarios in which the generator and the seller invest in renewable energy. Conclusions are drawn by comparing and analyzing the equilibrium solutions in different scenarios.
Findings
The scenario where electricity sellers invest in renewable energy exhibits a higher investment volume compared to the scenario involving power generators. In scenarios where power producers invest in renewable energy, electricity sellers achieve lower profits than power generators, while scenarios with electricity seller' investments yield higher profits for them. Increasing the cost coefficient of renewable energy investment reduces investment volume, electricity prices and electricity demand, leading to decreased profits for electricity seller but increased profits for power generator. A rise in the preference coefficient for renewable energy results in increased profits for electricity seller but decreased profits for power generator.
Originality/value
Addressing a literature gap in the context of low carbon, this study examines the investment scenario of electricity sellers in low carbon technologies, complementing existing research focused on power generators and consumers. The findings enrich knowledge in low carbon investment. By analyzing the investment decisions of both power producers and electricity sellers, this study explores the practical implications of renewable energy investments on the decision-making and operational dynamics of power supply chain enterprises. It sheds light on their profitability and investment strategies.
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Abstract
Purpose
The purpose of this paper is to build a new deployable antenna with folded scissors ribs and to evaluate the reasonable characteristics of this new structure.
Design/methodology/approach
Based on the TerrStar-1 satellite, virtual design and shapes forming are considered in this paper with the structure design of the new antenna. Considering the relaxation units in net surface, form-finding evaluation is used to build mathematical model and operate the optimization algorithm so that the design of the new antenna with folded scissors ribs is achieved. Simulations are carried out to verify the antenna proposed.
Findings
It is found that the antenna with folded scissors ribs can be developed smoothly in the space.
Practical implications
The proposed the antenna with folded scissors ribs can be considered as a fall-back alternative for large antenna, with a diameter of over 10 m in the space, or is seen as another option for the system with a simple rigid structure.
Originality/value
Different from traditional antenna, it provides a valuable reference for the further research of large deployable antenna in space. The antenna in this paper is able to develop more than 30 m of diameter. Meanwhile, the surface density and the natural frequency and the root-mean-square error in surface are superior to those of the traditional antenna.
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Jiandong Lu, Xiaolei Wang, Liguo Fei, Guo Chen and Yuqiang Feng
During the coronavirus disease 2019 (COVID-19) pandemic, ubiquitous social media has become a primary channel for information dissemination, social interactions and recreational…
Abstract
Purpose
During the coronavirus disease 2019 (COVID-19) pandemic, ubiquitous social media has become a primary channel for information dissemination, social interactions and recreational activities. However, it remains unclear how social media usage influences nonpharmaceutical preventive behavior of individuals in response to the pandemic. This paper aims to explore the impacts of social media on COVID-19 preventive behaviors based on the theoretical lens of empowerment.
Design/methodology/approach
In this paper, survey data has been collected from 739 social media users in China to conduct structural equation modeling (SEM) analysis.
Findings
The results indicate that social media empowers individuals in terms of knowledge seeking, knowledge sharing, socializing and entertainment to promote preventive behaviors at the individual level by increasing each person's perception of collective efficacy and social cohesion. Meanwhile, social cohesion negatively impacts the relationship between collective efficacy and individual preventive behavior.
Originality/value
This study provides insights regarding the role of social media in crisis response and examines the role of collective beliefs in the influencing mechanism of social media. The results presented herein can be used to guide government agencies seeking to control the COVID-19 pandemic.
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Fei Lee Weisstein, Mohammadreza Asgari and Shir-Way Siew
This paper aims to examine the effect of price promotion presentation formats on consumers’ green purchase intentions across various levels of greenness. Despite the increasing…
Abstract
Purpose
This paper aims to examine the effect of price promotion presentation formats on consumers’ green purchase intentions across various levels of greenness. Despite the increasing awareness of environmental issues and green products among consumers, there is a gap between their green attitude and purchase intentions. Previous studies show that consumers’ degree of greenness varies and that price plays an important role in their green consumption decision-making.
Design/methodology/approach
Two between-subject experiments with 236 participants were used to examine our hypotheses and conceptual model.
Findings
The results show that different formats of price promotion presentations influence consumers’ purchase perceptions differently. Consumers with a high degree of greenness are attracted to promotions emphasizing gain, while those with a low degree of greenness prefer promotions underlining reduced loss. In addition, medium-greenness consumers show similar reactions to both formats. Our studies further demonstrate that consumers’ perceived value mediates the moderated effects of perceived quality and perceived savings on green purchase intentions.
Practical implications
This research helps marketers better design price promotions, taking into account the various levels of consumers’ greenness. The focus of reduced loss or gain of the promotional programs should be targeted at consumers with different levels of greenness.
Originality/value
This is the first paper to examine the role of price promotion presentation formats in consumer decision-making regarding green consumption. The study provides new insights concerning how to design price promotions to enhance the green purchase intentions of consumers.
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Xiao-Fu Pan, Qiwen Qin and Fei Gao
The purpose of this paper is to explore the effect of organizational psychological ownership (OPO) and organization-based self-esteem (OBSE) on positive organizational behaviors…
Abstract
Purpose
The purpose of this paper is to explore the effect of organizational psychological ownership (OPO) and organization-based self-esteem (OBSE) on positive organizational behaviors (POBs).
Design/methodology/approach
Based on empirical survey, 2,566 employees from 45 production enterprises in China were surveyed by a self-designed questionnaire on OPO, OBSE and POB. Then, the methods of correlation analysis, multiple regressions, impact effect and path analysis were used to verify the research hypothesis.
Findings
The results showed that POB is positively related to OPO and OBSE, and that OPO and OBSE are positive predictors of POBs. The results also demonstrated that OBSE has partial mediating effects on OPO and POB. In particular, psychological ownership has a significant impact on each sub-factor of POB, while OBSE has a remarkable effect on the behavior of devotion and interpersonal harmony.
Research limitations/implications
This is a non-experimental field study and as such inferences about causality are limited, and there is a possibility that the results may be influenced by common method variance.
Practical implications
The findings of the present study reveal that to strengthen employees’ POBs, manager should enhance employees’ OPO and OBSE, and therefore the organizational performance and the individual efficacy will be improved.
Originality/value
This is the first research which studies the relationship among OPO, POB and OBSE under the background of China.
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Reviews previous literature regarding quality in order to suggest a framework for a company committed to quality. Outlines the behaviours a quality firm must possess and discusses…
Abstract
Reviews previous literature regarding quality in order to suggest a framework for a company committed to quality. Outlines the behaviours a quality firm must possess and discusses each in turn, considering all the stakeholders which must be satisfied to achieve total quality. Emphasizes the interdependence of all these factors for success. Briefly covers the problem of satisfying the conflicting demands of different stakeholders.
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Fei Liu, Chao Bian and Christopher Gan
This paper aims to examine whether government intervention acts as a substitution mechanism for laws and institutions in affecting firms’ long-term debt financing decision and the…
Abstract
Purpose
This paper aims to examine whether government intervention acts as a substitution mechanism for laws and institutions in affecting firms’ long-term debt financing decision and the moderating effect of firm ownership on the relationship between law and finance in Chinese capital market.
Design/methodology/approach
This study uses ordinary least squares with standard errors clustered at the firm level in the regressions. To address the potential endogeneity problem, the authors also use the system generalized method of moments in their estimation.
Findings
The results show that both long-term bank debt and long-term bank debt maturity structure ratios are positively related to government intervention. The results also reveal that with improvement in the legal environment, public non-state-owned firms have more access to long-term bank debt in the regions where the level of government intervention is low.
Research limitations/implications
Government intervention appears to replace laws and institutions in influencing the allocation of financial resources in China.
Originality/value
The finding suggests the necessity of increasing the protection of both creditors and investors, and shows the importance of a free and independent judiciary system in allocating funds to private firms. The results also imply that the non-state-owned Chinese firms also benefit from the improved laws and institutions.
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Junyun Liao, Jiawen Chen and Fei Jin
Recent years have witnessed the popularity of social free sampling (SFS). That is, firms on social commerce platforms (e.g. Amazon Vine and Pconline Try) offer free sample…
Abstract
Purpose
Recent years have witnessed the popularity of social free sampling (SFS). That is, firms on social commerce platforms (e.g. Amazon Vine and Pconline Try) offer free sample products for consumers' applications, and the selected applicants are required to write a product trial report on the sites as a return. The main advantage of SFS is to leverage users' product trial reports to increase product exposure and attract prospective consumers. Thus, product trial reports play a central role in SFS. Despite that scholars have examined the rating bias of product trial reports in recent years' knowledge concerning how product trial reports influence user (i.e. readers of product trial reports) engagement remains sparse. To address the research gap, this paper aims to examine the drivers of user engagement with product trial reports.
Design/methodology/approach
This study utilized the Poisson regression model to analyze 3,419 trial reports collected from a well-known Chinese SFS site.
Findings
Based on the ELM model, the empirical results indicate that product rating, vividness, opinion balance, and reputation of the trial user are positively associated with user engagement. However, longer reports and reports with higher emotional intensity lead to weaker user engagement. Furthermore, product prices strengthen the positive impact of opinion balance but weaken the positive impact of trial users' reputations.
Originality/value
This study is among one of the first studies to investigate the impact of trial reports on user engagement in SFS. It yields actionable guidelines for SFS campaigns.