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Application of Nonlinear Rescaling Method to Model Predictive Control
Ramdane Hedjar 제어·로봇·시스템학회 2010 International Journal of Control, Automation, and Vol.8 No.4
In this paper, we present the application of a nonlinear rescaling method for an efficient solution to the constrained optimal control problem in model predictive control. A smooth scaling function is used to transform the constraints to a sequential unconstrained optimization problem. Simulation results dem-onstrate the effectiveness of this approach with regards to model predictive controller with saturation.
Panigoro, Ramdan,Susanto, Herman,Novel, Sinta Sasika,Hartini, Sri,Sahiratmadja, Edhyana Asian Pacific Journal of Cancer Prevention 2013 Asian Pacific journal of cancer prevention Vol.14 No.10
Background: Persistent infection with high risk human papillomavirus (hrHPV) is strongly associated with cervical cancer. Normal cervical cells may also harbor hrHPV, and detection of early hrHPV infection may minimize risk of cervical cancer development. This study aimed to compare two commercial HPV genotyping assays that may affordable for early screening in a limited-resource setting in Bandung, Indonesia. Materials and Methods: DNA from cervical biopsies with histologically confirmed as squamous cell cervical cacinoma were HPV genotyped by Linear Assay 1 (Roche Diagnostics, Mannheim, Germany) or Linear Assay 2 (Digene HPV Genotyping RH Test, Qiagen Gaithersburg, MD). In a subset of samples of each group, HPV genotype results were then compared. Results: Of 28 samples genotyped by linear assay 1, 22 (78.6%) demonstrated multiple infections with HPV-16 and other hrHPV types 18, 45 and/or 52. In another set of 38 samples genotyped by linear assay 2, 28 (68.4%) were mostly single infections by hrHPV type 16 or 18. Interestingly, 4 samples that had been tested by both kits showed discordant results. Conclusions: In a limited-resource area such as in Indonesia, country with a high prevalence of HPV infection a reliable cervical screening test in general population for early hrHPV detection is needed. Geographical variation in HPV genotyping result might have impacts for HPV prevalence and molecular epidemiology as the distribution in HPV genotypes should give clear information to assess the impact of HPV prophylactic vaccines.
Amel Ramdane,Amar Betta,Farid Naceri,Sebti Belkacem 보안공학연구지원센터 2015 International Journal of Hybrid Information Techno Vol.8 No.1
In this paper, we introduced a robust approach to induction motor control combining fuzzy logic and variable structure with a sliding mode control. Fuzzy tuning schemes are employed to improve control performance as well as to reduce chattering in the sliding mode. This combination ensures system high performance and fast dynamic response with no overshoot. Becoming a very robust, insensitive to process parameters variation and external disturbances.
Basma Ramdan Gamal Elshoky,Eman M. G. Younis,Abdelmgeid Amin Ali,Osman Ali Sadek Ibrahim 한국전자통신연구원 2022 ETRI Journal Vol.44 No.4
Autism spectrum disorder (ASD) is a developmental disorder associated with cognitive and neurobehavioral disorders. It affects the person’s behavior and performance. Autism affects verbal and non-verbal communication in social interactions. Early screening and diagnosis of ASD are essential and helpful for early educational planning and treatment, the provision of family support, and for providing appropriate medical support for the child on time. Thus, developing automated methods for diagnosing ASD is becoming an essential need. Herein, we investigate using various machine learning methods to build predictive models for diagnosing ASD in children using facial images. To achieve this, we used an autistic children dataset containing 2936 facial images of children with autism and typical children. In application, we used classical machine learning methods, such as support vector machine and random forest. In addition to using deep-learning methods, we used a state-of-the-art method, that is, automated machine learning (AutoML). We compared the results obtained from the existing techniques. Consequently, we obtained that AutoML achieved the highest performance of approximately 96% accuracy via the Hyperpot and tree-based pipeline optimization tool optimization. Furthermore, AutoML methods enabled us to easily find the best parameter settings without any human efforts for feature engineering.
Nurhanie MAHJOM(Nurhanie MAHJOM ),Mohamad Rohieszan RAMDAN(Mohamad Rohieszan RAMDAN ),Azila Abdul RAZAK(Azila Abdul RAZAK ),Zuriadah ISMAIL(Zuriadah ISMAIL ),Norlia Mat NORWANI(Norlia Mat NORWANI ),Ti 한국유통과학회 2022 유통과학연구 Vol.20 No.12
Purpose: Nutrition has a direct and substantial effect on the agenda of the Sustainable Development Goals (SDGs). Recognizing the importance of adequate diet in strengthening school children’s health, the relevant parties should take the initiative to introduce effective nutrition intervention programs. Malnutrition, in all conditions, hinders children’s potential to survive and thrive. It has been challenging to demonstrate that enhancing nutrition and sustainability instruction in schools leads to healthier and more sustainable eating patterns. This scoping review is to discover the important drivers and emerging themes in nutritional health intervention distributions at schools toward the attainment of SDGs for school children’s health. Data and methodology: A scoping review of the literature was conducted between 2007 and 2022 using the Web of Science (WoS) and Scopus databases. A total of 25 journal articles were identified for a full review. Results: Five themes were found from the literature relevant to the scenario surrounding pupils and food intake in schools. The data implied that nutrition intervention distributions, including food literacy, food consumption, good governance, and food entrepreneurship, might have a prominent impact on the behavioral and health outcomes of school children. Conclusions: Findings have emerged on the usefulness of nutrition intervention distributions at school in encouraging healthy diet intake among school children and consequently meeting the Sustainable Development Goals.
Siti Asma’ MOHD ROSDI(Siti Asma’ MOHD ROSDI ),Mohamad Rohieszan RAMDAN(Mohamad Rohieszan RAMDAN ),Sabrinah ADAM(Sabrinah ADAM ),Nursyazwani Mohd FUZI(Nursyazwani Mohd FUZI ),Azila ABDUL RAZAK(Azila AB 한국유통과학회 2022 유통과학연구 Vol.20 No.11
Purpose: This article explores the experiences of Research Universities (RU) on distribution-support technologies in commercialisation with a specific focus in the Malaysian context. Research design, data and methodology: A qualitative research was carried out, in which six RU were interviewed. A structured interview was conducted. To analyse and interpret the data was using an approach adopted in qualitative thematic strategy. The findings were transcribed using Atlas.ti software to analyse related themes through a thematic analysis approach to link theories. Results: The findings provide useful insights into the significant roles of distribution-support technologies on the commercialisation strategy and impacts on the ecosystem of innovation and commercialisation in providing the importance of Distribution-support Technologies to strengthen the role of university-industry-community relation to drive the economy towards a high-income nation. Conclusions: This study will contribute theory through commercialisation literature by adding new knowledge concerning the link between universities and distribution-support technologies in commercialisation. Therefore, the practical contributions are significant for universities; industries; research institutes; government and societies to develop and plan strategically for effective, strategic and sustainable distribution-support technologies in innovation and commercialisation ecosystem.
Nurul Atasha JAMALUDIN(Nurul Atasha JAMALUDIN ),Zizah CHE SENIK(Zizah CHE SENIK ),Mohamad Rohieszan RAMDAN(Mohamad Rohieszan RAMDAN ),Nur Aqilah Hazirah MOHD ANIM(Nur Aqilah Hazirah MOHD ANIM ),Siti A 한국유통과학회 2023 유통과학연구 Vol.21 No.8
Purpose: This study intends to explore the knowledge distribution in immigrant entrepreneurship in a host country Malaysia. In Malaysia, most immigrants are workers who later started their own businesses. They have a higher tendency to engage in entrepreneurial activities thus knowledge distribution from previous employment is necessary. Research design, data and methodology: This qualitative study using in-depth interview approach was carried out with five immigrant entrepreneurs from Bangladesh conducting business in Malaysia. The data were gathered and analysed using thematic analysis facilitated by ATLAS.ti software. Results: The findings provide useful insights on the significance of knowledge obtained during immigrant entrepreneurs’ former employment in the host country, enabling them to identify the needed resources quickly to launch a successful business in a host country. Conclusions: This study contributes to the Knowledge Spillover Theory of Entrepreneurship specifically in the context of immigrant entrepreneurship who have former employment in the same business sector and a proposition is developed. For practicality, the findings provide some insights for immigrants who want to start businesses in the host country which allow them to identify and exploit entrepreneurial opportunities due to knowledge distribution at their former employment in the host country later facilitates successful business establishment there.
MAHMUDDIN Yasmin,ABDULLAH Mazilah,RAMDAN Mohamad Rohieszan,MOHD ANIM Nur Aqilah Hazirah,ABD AZIZ Nurul Ashykin,ABD AZIZ Nurul Aien,YAHAYA Rusliza,ABD AZIZ Noreen Noor 한국유통과학회 2022 유통과학연구 Vol.20 No.8
Purpose: Online shopping festivals have quickly become the newest trend in online shopping worldwide due to the COVID-19 pandemic. This has led to marketing distribution channels that traditionally emphasized traditional techniques having turned to electronic commerce platforms. Although the pandemic scenario encourages online purchasing, other factors, such as the influence of participation intention to shop during the Online Shopping Festival, must also be considered. Research design, data and methodology: Multiple linear regression analysis was used to test the hypothesis based on data from 121 respondents who are actively involved with online shopping activities in Klang Valley, Selangor. Results: The results of this study show that promotion categories and the perceived influence of mass participation have a significant influence on participation intention. Meanwhile, the perceived temptation of price promotion and perceived fun promotional activities did not significantly influence participation intention. Conclusions: Theoretically, this study contributes to the literature by using the Theory of Planned Behavior and Stimulus-Response models to explain the factors that drive participation intention for online shopping. In practice, this study attracts and encourages customers to shop during the festival day because various attractive promotions are offered by sellers in Malaysia
Franchising for Global Distribution: A Systematic Review
Nurul Ashykin ABD AZIZ,Mohamad Rohieszan RAMDAN,Khairunnisa ABDUL AZIZ,Hasif Rafidee HASBOLLAH,Noreen Noor ABD AZIZ,Nik Syuhailah NIK HUSSIN,Md Zaki MUHAMAD HASAN 한국유통과학회 2023 유통과학연구 Vol.21 No.10
Purpose: The purpose of this study is to explore areas that have been studied extensively in previous studies related to franchising as a platform for global distribution. Furthermore, franchising is a strategic distribution method that gives entrepreneurs the opportunity to replicate an established business model. In addition, franchisees benefit from the use of established branding and receive support from the franchisor. Research design, data, and methodology: This study used the Preferred Reporting Items Systematics Review and Meta- Analyses (PRISMA) method to analyse data from 2003 to 2023 in the Web of Science and Scopus databases. Results: A total of 79 articles were identified and analysed to see trends and related themes such as product distribution, business distribution, business strategy, emerging market, and franchising relationship. Also, publication trends by year related to franchises are also presented. Conclusions: Overall, the research trend related to franchising as a global distribution is well seen, and every year, many researchers begin to explore the topic of franchising as a method of distribution that can be explored from various aspects either quantitatively or qualitatively. Lastly, limitations and recommendations are made to provide guidance for future studies related to the topic broadly and deeply in enriching the findings.