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All Journal Bulletin of Electrical Engineering and Informatics Jurnal Ekonomi & Studi Pembangunan
Huong, Tran Thi
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Economics, Econometrics & Finance Electrical & Electronics Engineering

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Controlling mobile robot in flat environment taking into account nonlinear factors applying artificial intelligence Huong, Tran Thi; Ha, Pham Thi Thu
Bulletin of Electrical Engineering and Informatics Vol 13, No 5: October 2024
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/eei.v13i5.7818

Abstract

The article shows how to build and identify intelligent automatic control problems for mobile robots in a flat surface environment at the workplace, with known and unknown obstacles. Research and develop programming and control methods as an operating system for mobile robots robot operating system (ROS). Update map data information, in the operating environment, robot position control process, obstacle overcoming process simultaneous positioning and mapping (SLAM). From there, we aim to calculate and determine the robot's motion trajectory to get a smart path. The positioning trajectory calculation system robots. The authors use actor-critic (AC) algorithm to research and develop control. Research results in simulations, in Gazebo environment and test runs on real mobile robots have shown high-quality practical performance of automatic navigation and control while using this algorithm.
Factors influencing the quality of grassroots trade union presidents in Vietnamese private enterprises Hung, Le Manh; Anh, Vu Thi Kim; Huong, Tran Thi
Jurnal Ekonomi & Studi Pembangunan Vol. 26 No. 2: October 2025
Publisher : Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/jesp.v26i2.28168

Abstract

Amidst Vietnam’s rapid economic growth and deepening international integration, the private sector has emerged as a vital engine for development. This dynamism, however, presents complex labor relations challenges, highlighting the effectiveness of grassroots trade unions under the spotlight. The quality of Grassroots Trade Union Presidents (GTUPs) is paramount in mediating these relations and ensuring workers' rights, yet the determinants of their effectiveness remain underexplored. This study addresses this critical gap by systematically analyzing the factors influencing GTUP quality. Drawing on quantitative data from a comprehensive survey of 393 trade union officials in Vietnamese private enterprises, the study proposes and tests a framework comprising four influential domains: trade union organization, enterprise characteristics, socio-economic context, and demographic attributes. The findings confirm that all four domains significantly shape GTUP quality. Critically, factors internal to the workplace—namely trade union organization and the enterprise environment—emerge as the most potent predictors of leadership effectiveness. Furthermore, an ANOVA analysis reveals significant variations in GTUP quality across different industry sectors and enterprise sizes, underscoring the inadequacy of a 'one-size-fits-all' approach to leadership development. This study provides crucial empirical evidence for policymakers and stakeholders. It calls for integrated solutions, including targeted training programs, competitive remuneration policies, and a strengthened legal framework. Enhancing the capacity of GTUPs is not merely an internal union affair but a strategic imperative for fostering harmonious labor relations, improving enterprise productivity, and contributing to the sustainable development of Vietnam's private sector.
Co-Authors Anh, Vu Thi Kim Ha, Pham Thi Thu Hung, Le Manh