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Authors - 9811
Michihiko Nakano
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Pawan Kumar
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Gergely Hodosi
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Zsuzsa Ivancsóné Horváth
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Publications - 6374
A new method proposed for realizing human gait pattern recognition: Inspirations for the application of sports and clinical gait analysis
Publication Name: Gait and Posture
Publication Date: 2024-01-01
Volume: 107
Issue: Unknown
Page Range: 293-305
Description:
Background: Finding the best subset of gait features among biomechanical variables is considered very important because of its ability to identify relevant sports and clinical gait pattern differences to be explored under specific study conditions. This study proposes a new method of metaheuristic optimization-based selection of optimal gait features, and then investigates how much contribution the selected gait features can achieve in gait pattern recognition. Methods: Firstly, 800 group gait datasets performed feature extraction to initially eliminate redundant variables. Then, the metaheuristic optimization algorithm model was performed to select the optimal gait feature, and four classification algorithm models were used to recognize the selected gait feature. Meanwhile, the accuracy results were compared with two widely used feature selection methods and previous studies to verify the validity of the new method. Finally, the final selected features were used to reconstruct the data waveform to interpret the biomechanical meaning of the gait feature. Results: The new method finalized 10 optimal gait features (6 ankle-related and 4-related knee features) based on the extracted 36 gait features (85 % variable explanation) by feature extraction. The accuracy in gait pattern recognition among the optimal gait features selected by the new method (99.81 % ± 0.53 %) was significantly higher than that of the feature-based sorting of effect size (94.69 % ± 2.68 %), the sequential forward selection (95.59 % ± 2.38 %), and the results of previous study. The interval between reconstructed waveform-high and reconstructed waveform-low curves based on the selected feature was larger during the whole stance phase. Significance: The selected gait feature based on the proposed new method (metaheuristic optimization-based selection) has a great contribution to gait pattern recognition. Sports and clinical gait pattern recognition can benefit from population-based metaheuristic optimization techniques. The metaheuristic optimization algorithms are expected to provide a practical and elegant solution for sports and clinical biomechanical feature selection with better economy and accuracy.
Open Access: Yes
Ecological footprint at the micro-scale-how it can save costs: The case of ENPRO
Publication Name: Resources
Publication Date: 2018-09-01
Volume: 7
Issue: 3
Page Range: Unknown
Description:
The Ecological Footprint (EF) has become a very popular alternative indicator of development in the last three decades. It can be widely used to show the unsustainability of total and individual levels of consumption in countries. But can EF be a meaningful indicator at the micro level as well This paper presents an argument on this issue. Based on a literature review including our own analysis and the correlation of EF with GDP and other alternative indicators, EF is evaluated at the macro level. Then, an original case study is presented, underpinning the applicability of EF on the company level, linking the ordinary corporate carbon footprinting with the EF method. Based on the findings, micro level EF calculations can help organizations in finding fields of intervention (inefficiencies and emission hotspots). EF accounting can also be used to evaluate the economic benefits of such measures after their realization.
Open Access: Yes
QUALITY OF SCIENTIFIC ACTIVITY AS A DETERMINANT OF SOCIO-ECONOMIC DEVELOPMENT
Publication Name: Economics and Sociology
Publication Date: 2022-01-01
Volume: 15
Issue: 3
Page Range: 301-318
Description:
The purpose of this work is to identify the functional links between key indicators of scientific activity and socio-economic development and to check whether the quality of scientific activity and the dynamics of innovative development are the key determinants of socio-economic progress. Following the chosen methodology, the paper forms an array of input data that characterizes the level of scientific and innovative activity, economic and social development. The principal component method is used to identify the most relevant indicators from each group and to introduce three latent variables that denote each group separately. A system of simultaneous structural equations is obtained as a result of establishing functional relationships between manifest and latent variables and building a structural model. In addition, the paper determines two clusters of the studied countries to confirm the obtained results through structural modelling. The study is conducted for 35 European countries based on 33 indicators, which characterize the quality of scientific activity, economic and social development during 2014-2020. The obtained system of structural equations confirms the hypothesis regarding the importance of scientific activity quality in terms of ensuring the socio-economic development of the country.
Open Access: Yes
Effect of Self-driving Buses on Vehicle Scheduling
Publication Name: Advances in Intelligent Systems and Computing
Publication Date: 2021-01-01
Volume: 1278
Issue: Unknown
Page Range: 21-29
Description:
We are more and more close to the time when a higher number of autonomous vehicles are appearing in road traffic. The number of unanswered questions does not diminish but grow. One such issue is the role of autonomous vehicles in public transport. When talking about autonomous vehicles we often think of only cars and we think less about self-driving buses. But the economic potential inherent in autonomous buses is huge. In the Hungarian vehicle and crew scheduling practice (and also in other countries) the one driver-one vehicle control is typical. This method closely links the vehicles and the drivers. Vehicles should therefore adapt to the rest time of the crew and the employment rules. Unused reserves are generated in the system. Autonomous vehicles can release this overcapacity. Thanks to that, fewer vehicles can carry out public transport tasks and we can save extra rides. It also provides a solution to the lack of drivers, which is a basic problem in many countries. In our study we show the reserves that can be recovered from the system in the case of three Hungarian cities (Eger, Dunaújváros, Győr). We show how much savings can be achieved by running autonomous buses in European cities with a population of 45 000, 54 000 and 130 000 inhabitants. The results are promising. In smaller cities we could achieve about 20% of economical savings but in bigger cities 40% is also realistic. Our statements are based on only rough calculations and they try to help in preparation for the future.
Open Access: Yes
Gender-Inclusive Rural Tourism: Women’s Participation in the Panji Ecovillage Homestay, North Bali
Publication Name: Jurnal Kajian Bali
Publication Date: 2025-12-05
Volume: 15
Issue: 3
Page Range: 1267-1299
Description:
Women of the Farmers Group in Panji Village, North Bali, do not only support their families through agricultural work but also convert spare rooms in their homes into homestays, forming the Women Ecovillage Homestay Group. Through this community, they learn collectively to engage in and benefit from village tourism. This initiative illustrates how rural women contribute simultaneously to economic improvement and cultural preservation. This study examines their roles in community-based tourism (CBT) and their contribution to small-scale sustainable tourism, emphasizing gender-inclusive village development. Fieldwork was carried out intermittently from 2023 to 2025 as part of a community service program, enabling continuous observation of participation and empowerment processes. Using action research, the researcher applied and tested strategies developed through FGDs with key stakeholders. The findings show that women in Panji Village play a central role in sustaining tourism by managing homestays while safeguarding cultural identity, offering a model for inclusive and gender-responsive rural tourism development.
Open Access: Yes
Therapeutic role of physical activity in relationship between chronic pain and sleep quality in musculoskeletal disorders
Publication Name: Orvosi Hetilap
Publication Date: 2026-02-01
Volume: 167
Issue: 8
Page Range: 300-308
Description:
Musculoskeletal diseases represent a major public health problem worldwide, as they are associated with pain, reduced musculoskeletal function, and diminished quality of life. They affect more than 1.7 billion people globally, and their prevalence continues to rise due to ageing, obesity, sedentary lifestyle, and psychosocial factors. Chronic pain is the most common complaint, which may appear as an independent condition or as a consequence of other diseases such as osteoarthritis, spondylosis, or rheumatoid arthritis. Pain and sleep disturbances are closely and mutually related: inadequate sleep increases pain sensitivity, reduces the efficiency of pain processing, and contributes to the persistence of chronic pain. The aim of this review study is to examine the relationship between pain, the most common symptom of degenerative joint and spinal diseases and sleep quality. Sleep disorders are highly prevalent in certain musculoskeletal diseases and predict a subsequent decline in functional status. Therapeutic options include balneotherapy and complex physiotherapy, both of which have been shown to reduce pain and improve musculoskeletal function. Several studies have reported long-term benefits of balneotherapy, mud therapy, and aquatic physiotherapy. In addition, regular moderate-intensity physical activity plays a key role in reducing pain and improving functional status and sleep quality. Monitoring physical activity using questionnaire-based methods and objective wearable devices enables a more accurate assessment, safe planning, and continuous tracking of physical activity levels. Overall, a multimodal, individualized therapeutic approach is the most effective in the management of musculoskeletal diseases, targeting the simultaneous improvement of pain, sleep, and lifestyle-related factors. Orv Hetil. 2026; 167(8): 300–308.
Open Access: Yes
Investigation of glued insulated rail joints with special fiber-glass reinforced synthetic fishplates using in continuously welded tracks
Publication Name: Pollack Periodica
Publication Date: 2018-08-01
Volume: 13
Issue: 2
Page Range: 77-86
Description:
In this paper the authors partially summarize the results of a research on glued insulated rail joints with fiber-glass reinforced plastic fishplates (brand: Apatech) related to own executed laboratory tests. The goal of the research is to investigate the application of this new type of glued insulated rail joint where the fishplates are manufactured at high pressure, regulated temperature, glass-fiber reinforced polymer composite plastic material. The usage of this kind of glued insulated rail joints is able to eliminate the electric fishplate circuit and early fatigue deflection and it can ensure the isolation of rails' ends from each other by aspect of electric conductivity.
Open Access: Yes
Environmental activities of agricultural enterprises: Accounting and analytical support
Publication Name: Economic Annals Xxi
Publication Date: 2018-07-19
Volume: 169
Issue: 1-2
Page Range: 77-83
Description:
The article outlines the causes of the ecological crisis in Ukraine and various factors affecting the natural environment, such as air pollution, depletion and degradation of land resources, exhaustion of forest and water resources, caused by agricultural production. Thus, in Ukraine, as of 1 January 2018, more than 1.1 million hectares of degraded, unproductive and technogenically contaminated lands counted to expand, and there were 315.6 thousand hectares of unproductive lands that needed improvement; 57% of the territory of the country was affected by wind and water erosion, about 12% were flooded lands and 20% more - polluted lands. The authors detail the consequences of the impact of agricultural activities on the environment. It is necessary to reflect environmental activities in accounting, including environmental assets (natural resource potential, production waste, non-current assets of environmental protection purposes), liabilities (environmental liabilities) and results of activities (environmental incomes, environmental expenses, financial results from environmental activities). The components of natural resource potential, which are to be reflected in the accounting system, are determined. The authors of the research provide an analytical estimation of the state, structure and changes of land resources in Ukraine and define the degree of compatibility between the modern system of agriculture and new environmental and technological requirements. The article discusses normative and legal provisions concerning land protection in Ukraine, as well as normative legal acts on ecologisation of agriculture. The tendency of the recent years shows that the mechanism of combining measures of financial incentives and legal responsibility in the field of land protection, as well as the establishment of legally determined environmental restrictions in land use by means of land management, remains insufficient in terms of optimising the use and protection of land in Ukraine. The study covers the main problem aspects of the land use in Ukraine. Analytical data describing the anti-desertification measures planned until 2030, as well as measures for the restoration of degraded lands and soils, including lands affected by desertification, droughts and floods, are presented. The need to reflect the costs of implementing measures to protect and restore the natural resource potential (including land resources) is emphasised. The authors generalise the information on three groups of accounting objects in terms of the use of agricultural land: objects affecting the qualitative condition (natural fertility) of land, objects representing land capital with a certain level of natural fertility which are at the disposal of enterprises, and objects that depend on the type of agricultural lands and their natural fertility. It is suggested to generalise the information on the objects of ecological accounting in the form of the Environmental Activity Report, which will increase the effectiveness of the managerial decisions on the environment at micro- and macro-levels.
Open Access: Yes
DOI: 10.21003/ea.V169-15
Numerical Investigation of Glue Laminated Timber Beams considering Reliability-based Design
Publication Name: Acta Polytechnica Hungarica
Publication Date: 2023-01-01
Volume: 20
Issue: 1
Page Range: 109-122
Description:
Structural models and their related parameters, are most often considered as deterministic, in numerical analysis. However, according to test results, one can see the existence of uncertainties, in most cases, due to various reasons, such as, natural variabilities and ignorance. Thus, dealing with uncertainty has gained massive attention, due to its importance in structural analysis and anticipating the performance of models. In fact, in some cases of special structure components, like glue laminated timber beams, it appears to be, that there is an absence of information concerning uncertainties. Therefore, the main objective of this study is to inspect uncertainties that facing designers and their role in glue laminated timber beams behavior, by considering different material parameters as random variables. In addition, four-point bending tests are conducted and finite element analysis is conducted, using ABAQUS software, to model the nonlinear behavior of GLT beams. For purposes of numerical model calibration, Hill yield criterion constitutive model is considered based on the obtained data from the experimental test. The results of this study provide a better outline for understanding the effect of uncertainties on glue laminated timber beams.
Open Access: Yes
