Search results

1 – 10 of 19
Article
Publication date: 3 January 2023

Tri Bien Minh, Hien Vo and Luan Thanh Hua

The main purpose of the study was mechanical designing, simulation and manufacturing process for a new model of octocopter V-frame and to achieve simple manufacturing with 3D…

Abstract

Purpose

The main purpose of the study was mechanical designing, simulation and manufacturing process for a new model of octocopter V-frame and to achieve simple manufacturing with 3D printing technology. Moreover, the octocopter PID controller was simulated on the Simulink environment to get performance on the roll and pitch angle control.

Design/methodology/approach

Octocopter is one kind of multirotor vehicle (a rotorcraft with more than two rotors), that has lately gained a lot of attention for both the scientific and commercial spheres. With a greater number of rotors, the multirotor is very maneuverable and robust. Multi-copter makes an important contribution to the technological revolution in the military, industry, transportation, mapping and especially agriculture. Nowadays, we are heading to the four-industrial revolutions as well as the new technological application in the agricultural field such as precision agriculture, mapping and surveillance. Due to recently advanced technology about sensors, electronics, 3D printing, battery with high performance, multi-copter can be manufactured at low cost.

Findings

The V-frame octocopter was chosen to design in this paper; it had better performance scores including high redundancy rotors, high payload capability and affordable cost than another multi-copter family. The V-frame octocopter increasing freedom field of view of the camera was considered to place the camera position in the front of the drone.

Research limitations/implications

For the future aspects, the mechanical structure of the octocopter could be improved by using more advanced metal 3D printing to produce the aluminum or titan alloy materials for lighter and more rigid compared with ABS material, and finally the assembly to the real test.

Originality/value

The study shows the new platform of the V-frame octocopter kinematics analysis, designed on the CAD software, with some important mechanical parts using FEM analysis to find the highest stress and displacement under high load applied, the result of all connecting the joints 3D printing part is completely safe. Mechanical parts were manufactured by using 3D printing technology and CNC milling. Moreover, the study has shown V-frame octocopter simulation based on Simulink using the second method Ziegler- Nichols to find suitable parameters of the PID controller for roll and pitch angle. Using the block simulation is good for implementing and fast checking the new algorithm when building the new platform of the robot.

Details

International Journal of Intelligent Unmanned Systems, vol. 11 no. 3
Type: Research Article
ISSN: 2049-6427

Keywords

Open Access
Article
Publication date: 29 January 2024

Nguyen Minh Quang, Nozomi Kawarazuka, Thien Ngoc Nguyen-Pham, Thu Hoai Nguyen, Hieu Minh Le, Tho Thi Minh Tran and Thoa Thi Ngoc Huynh

Recognition that not every climate adaptation policy is a good one has shifted attention to new tools and methods to measure the adequacy and effectiveness of adaptation policies…

Abstract

Purpose

Recognition that not every climate adaptation policy is a good one has shifted attention to new tools and methods to measure the adequacy and effectiveness of adaptation policies. This study aims to propose and apply and applies an innovative adaptation policy assessment framework to identify the extent to which climate adaptation policies in Vietnam exhibit conditions that are likely to ensure a sufficient, credible and effective adaptation.

Design/methodology/approach

In total, 21 conditions, categorized under five normative principles and covering critical issue areas in adaptation domain, form the climate adaptation policy assessment framework. The principles were double-checked and tested in case studies through observations and analyses of policy documents to ensure that each condition should be distinct and not overlapping across principles. To see if the principles and attendant conditions were able to capture all relevant aspects of adaptation, the authors used structured expert judgment. In total, 39 policy documents pertaining to climate change adaptation were selected for qualitative document analysis. In-depth interviews with local officials and experts were conducted to address data gaps.

Findings

The study reveals major weaknesses constituting a reasonably worrisome picture of the adaptation policies in Vietnam since several critical conditions were underrepresented. These results shed new light on why some adaptation policies falter or are posing adverse impacts. The findings suggest that a sound policy assessment framework can provide evidence on what effective adaptation policy looks like and how it can be enabled. The framework for climate adaptation policy assessment in this study can be easily adjusted and used for different socio-environmental contexts in which new conditions for policy assessment might emerge.

Social implications

The findings show underlying weaknesses constituting a reasonably worrisome picture of the adaptation regime in Vietnam. In the absence of mechanisms and measures for accountability and transparency in policy processes, adaptation in Vietnam appears more likely to be prone to maladaptation and corruption. While solving these problems will not be easy for Vietnam, the government needs to evaluate whether the short-term gains in sustaining the existing adaptation policies really make progress and serve its long-term climate-adaptive development goals.

Originality/value

Although interpretations of adaptation effectiveness may be very divergent in different normative views on adaptation outcomes, the authors argue that a common, agreed-upon effectiveness can be reached if it is clearly defined and measurable in adaptation policies. Thus, the climate adaptation policy assessment framework proposed in this study is critical for policymakers, practitioners, donors and stakeholders dealing with adaptation to better understand the weaknesses in policymaking processes, pinpoint priority areas of action and timely prevent or prepare for possible adverse impacts of policies.

Details

International Journal of Climate Change Strategies and Management, vol. 16 no. 1
Type: Research Article
ISSN: 1756-8692

Keywords

Article
Publication date: 14 November 2023

It Nguyen Van, Anna Kotaskova, Alberto Ferraris and Thanh Tiep Le

This study investigates the impact of human capital (managers' capital, employees' capital) and orientation (market orientation, entrepreneurial orientation) for accelerating the…

Abstract

Purpose

This study investigates the impact of human capital (managers' capital, employees' capital) and orientation (market orientation, entrepreneurial orientation) for accelerating the digitalization process and improving the firm performance. It also studies the role of supply chains as both direct and indirect mediators of the correlation between digitalization and business performance.

Design/methodology/approach

This article aims to develop an empirical study using a random sampling technique and survey data collected from 368 managers and owners of different food enterprises in Vietnam. The study adopted a methodological approach quantitatively. Analysis of the relationships and confirmatory factors was performed using structural equation modeling (SEM), a technique to evaluate the proposed relationships.

Findings

In line with expectations, the findings emphasize the impact of human capital (managers' capital, employees' capital) and orientation (market orientation, entrepreneurial orientation) for accelerating the digitalization process and the role of supply chains as both direct and indirect mediators of the correlation between digitalization and improving the firm performance, in the context of emerging markets.

Originality/value

This is an important investigation, according to the authors' knowledge, regarding the role of developing human capital (managers' capital, employees' capital) and orientation (market orientation, entrepreneurial orientation) as a key strategy for accelerating the digitalization process and improving the firm performance. Further, the study's novelty reinforces the role of supply chains as both direct and indirect mediators of the correlation between digitalization and business performance in the Vietnamese food companies, where a market economy is emerging.

Details

European Journal of Innovation Management, vol. ahead-of-print no. ahead-of-print
Type: Research Article
ISSN: 1460-1060

Keywords

Article
Publication date: 25 July 2023

It Nguyen Van, Thanh Tiep Le and Anna Kotaskova

This study aims to show how market orientation (MO), brand (BR) and business strategy (cost leadership strategy and differentiation strategy), which play mediating and moderating…

Abstract

Purpose

This study aims to show how market orientation (MO), brand (BR) and business strategy (cost leadership strategy and differentiation strategy), which play mediating and moderating roles, respectively, can increase competitive advantage (CA). With a focus on brand, market orientation, cost leadership strategy (CS) and differentiation strategy (DS), as well as an analysis of variance control on varying business sizes per business seniority, the current study made a theoretical contribution.

Design/methodology/approach

An empirical study was created using a quantitative methodological technique. The surveyed data were collected from 379 managers or owners who participated in a face-to-face survey at different food processing companies in Vietnam. To test the hypotheses, the gathered information was examined utilizing multigroup analysis and partial least squares structural equation modeling.

Findings

The brand was found to have the greatest positive impact on competitive advantage, followed by a business strategy that positively influenced competitive advantage, and, finally, business strategies that significantly moderated the third strong positive impact between market orientation and competitive advantage. Market orientation has the fourth strong positive impact on competitive advantage, whereas brand has the lowest positive impact on market orientation.

Originality/value

This is the first investigation, according to the authors’ knowledge, into the role of market orientation as a mediator in the relationship between brand and competitive advantage in addition to the regulatory role of business strategy at two strategic levels: cost leadership and strategic focus as well as the difference between competitive advantage and market orientation in the Vietnamese food sector.

Details

British Food Journal, vol. 125 no. 11
Type: Research Article
ISSN: 0007-070X

Keywords

Book part
Publication date: 1 September 2022

Thiện Nguyễn Hoàng

This chapter provides information on the development of Vietnamese education under the influence of global forces based on the analysis of relevant education research and policies

Abstract

This chapter provides information on the development of Vietnamese education under the influence of global forces based on the analysis of relevant education research and policies using Wolhuter’s frameworks. In the process of coming up with ways to develop education in the face of different influences of globalization, besides having reactions with patterns commonly found in countries around the world, Vietnam also has responses that reflect its own political, sociocultural and economic characteristics. The state still plays a controlling role in education at all levels and many culture-related features that have existed throughout the country’s history have hardly changed, namely aspects related to teachers, learners and teaching and learning methods. To sustain its education in the globalized era, Vietnam must make more efforts in various aspects such as the link between education and employment, the logic of education objectives, the feasibility and appropriateness of curricula, quality of education, especially of higher education and equality in education for underprivileged groups.

Details

World Education Patterns in the Global South: The Ebb of Global Forces and the Flow of Contextual Imperatives
Type: Book
ISBN: 978-1-80382-681-3

Keywords

Book part
Publication date: 18 November 2020

Anh Ngoc Cao and Tanya Wyatt

Unsustainable logging and illegal logging for domestic and international trade and trafficking continue to lead to deforestation. It is crucial that Sustainable Development Goal…

Abstract

Unsustainable logging and illegal logging for domestic and international trade and trafficking continue to lead to deforestation. It is crucial that Sustainable Development Goal 15 ‘Sustainably manage forests, combat desertification, halt and reverse land degradation, halt biodiversity loss’ is achieved to maintain the livelihoods of people and protect the planet. This is the case in Vietnam as well, where many people, including indigenous groups, rely on the forest for their survival. Drawing on semistructured interviews in Vietnam and a literature review, we investigate how the abuse of forest policies leads to human insecurity. From this, we propose solutions to (1) end unsustainable harvesting and illegal logging (SDG 15.7), (2) integrate the value of forests (culturally and economically) into national and local planning, the development process and poverty elimination strategies (SDG 15.9) and (3) improve the use of forest protection funding provided by international donors.

Details

The Emerald Handbook of Crime, Justice and Sustainable Development
Type: Book
ISBN: 978-1-78769-355-5

Keywords

Book part
Publication date: 29 November 2019

Richard E. Killblane

Abstract

Details

Delivering Victory
Type: Book
ISBN: 978-1-78754-603-5

Article
Publication date: 23 September 2019

Tho Ngoc Nguyen

Most of 823,000 ethnic Chinese people are living in Southern Vietnam among distinct dialectical groups. Each maintains its own pantheon of gods; the majority worships standardized…

Abstract

Purpose

Most of 823,000 ethnic Chinese people are living in Southern Vietnam among distinct dialectical groups. Each maintains its own pantheon of gods; the majority worships standardized Thien Hau. The Hakka in Buu Long are the only group that worships the craft-master gods. This difference creates a challenging gap between the subgroups and reveals the unorthodox nature of the Hakka’s traditions. The purpose of this paper is investigate the continuous efforts to achieve “evolving standardization” and solidarity through the charismatic efforts of the local Hakka elites in Buu Long by their liturgical transformation.

Design/methodology/approach

The study further discusses the multilateral interaction and hidden discourses by applying Watson’s (1985) theory of standardization and orthodoxy as well as Weller’s (1987) concept of context-based interpretation.

Findings

Truthfully, when facing pressures, the Hakka in Southern Vietnam decided to transform their non-standard worship of the craft masters into a more integrative model, the Thien Hau cult, by superimposing the new cult on the original platform without significant changes in either belief or liturgical practice. The performance shows to be the so-called “the caterpillar’s spirit under a butterfly’s might” case.

Research limitations/implications

The transformation reveals that the Hakka are currently in their endless struggles for identity and integration, even getting engaged in a pseudo-standardization.

Social implications

This Hakka’s bottom-up evolutionary standardization deserves to be responded academically and practically.

Originality/value

The paper begins with a setting of academic discussions by western writers in this area and then moves on to what makes the practical transformation, how does it happen, and what discourses are hidden underneath.

Details

Asian Education and Development Studies, vol. 9 no. 1
Type: Research Article
ISSN: 2046-3162

Keywords

Article
Publication date: 22 July 2022

Canh Thi Nguyen, Thanh Quang Ngo and Quan Hong Nguyen

The paper aims to assess the impact of weather-induced shocks on household food consumption in the rural Vietnamese Mekong Delta (VMD) through the case of Long An province and…

Abstract

Purpose

The paper aims to assess the impact of weather-induced shocks on household food consumption in the rural Vietnamese Mekong Delta (VMD) through the case of Long An province and evaluate the effectiveness of widely used coping strategies in mitigating weather-related shock impacts.

Design/methodology/approach

The system generalized method of moments (GMM) estimation method is applied to explore information on shock incidence, recovery, and time occurrences. The paper uses a sample of 272 repeated farming households from 5-wave survey data from 2008 to 2016, resulting in 1,360 observations.

Findings

The paper confirms the robust negative effect of a natural shock on food consumption. Additionally, using savings proves to be the most potent measure to smooth food consumption. Other favorable coping strategies are “getting assistance from relatives, friends” or “getting assistance from the Government, and non-government organizations (NGOs).” The mitigating effects are also traced in the current analysis.

Research limitations/implications

Using caution when generalizing the results from Long An to the whole VMD is reasonable. The rather limited observations of coping strategies do not allow the authors to analyze any specific strategy.

Originality/value

The proposed approach employs the GMM technique and controls for endogenous coping strategies and thus provides accurate estimates of the effects of weather-related shocks and the mitigation effectiveness in the rural VMD.

Details

Journal of Agribusiness in Developing and Emerging Economies, vol. 14 no. 2
Type: Research Article
ISSN: 2044-0839

Keywords

Article
Publication date: 30 November 2020

Padmi Nagirikandalage, Ben Binsardi, Kaouther Kooli and Anh Ngoc Pham

The purpose of this study is to investigate the resistance in management accounting practices (MAPs) in a developing economy in the manufacturing and service sectors in Vietnam.

Abstract

Purpose

The purpose of this study is to investigate the resistance in management accounting practices (MAPs) in a developing economy in the manufacturing and service sectors in Vietnam.

Design/methodology/approach

Data collection was carried out using survey questionnaires in Vietnamese language. The questionnaires were distributed to selected respondents from the manufacturing and service organisations in Vietnam. Textual structuralism was used to analyse different categories of data, i.e. survey questionnaires, photos and qualitative texts obtained from the literature.

Findings

The findings indicate that the usage of MAPs is more prevalent in the manufacturing sector than in the service sector. In addition, various traditional and contemporary MAPs are being used concurrently in Vietnam, which challenges the classical twofold dichotomy between mere socialism and mere neoliberalism.

Research limitations/implications

The textual and photographic structuralism is used in this study to analyse primary data (geography and society and time) in a static setting. Hence, it does not analyse the research phenomena in a dynamic equilibrium setting to view the development of the research phenomena over time. Further research could expand data collection to include longitudinal and dynamic settings.

Practical implications

MAPs can be implemented in economic systems ranging from command to capitalist systems. Although most countries in the world follow a mixed economic system, specific MAPs could be designed for a transitional economic system such as that of Vietnam. This affects both theorists and practitioners in Vietnam applying sustainable MAPs to boost a country's competitiveness during transition.

Originality/value

This study expands understanding of the conformity of MAPs in relation to economic systems under the Communist Party of Vietnam (CPV) – the ruling party of the Socialist Republic of Vietnam. Understanding the differences in the way these MAPs are utilised constitutes an essential area of the accounting discipline to advance MAPs in Vietnamese enterprises and progress theoretical development of sustainable MAPs.

1 – 10 of 19