{"title":"User Requirement Identification and Dynamic Analysis Based on Improved Kano Model","authors":"Ruijie Zhang, Yanan Qiao, Keqin Wang, Junle Zhou, Kailong Zhang, Weili Xia","doi":"10.1142/s0218126624503134","DOIUrl":"https://doi.org/10.1142/s0218126624503134","url":null,"abstract":"","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":" 2","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141674035","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-07-02DOI: 10.1142/s0218126624502943
Qiwei Xiong, Lu Zhan, Zhenming Xu
The pyrolysis process of waste printed circuit board (WPCB) with high economic benefit has been a black box problem, limiting the upgrading of pyrolysis processes. The resourcefulness and hazardous nature of WPCB will make it necessary for it to be treated properly. Multiphysics model was built to simulate the whole processes of WPCB pyrolysis and contaminants’ release. The circuit board samples containing six components were selected for pyrolysis in a tube furnace at a rate of 10[Formula: see text]C/min from room temperature to 600[Formula: see text]C, and the residual rate of Br- was determined by the oxygen bomb method. The results showed that the difference in temperature distribution could be attributed to thermal conductivity and surface area. Heat distribution would be more even from the inner material in areas where holes existed. The assembly method would affect the stress distribution around the components. Thermal stress at the pins might cause the separation of components from the substrate. The concentration of brominated contaminants was influenced by the material and assembly method. The instantaneous concentration around the pin was 3–4 times compared to the bare substrate, which was beneficial for the release and control of brominated organics. This study provided the research method for the in-depth understanding of the pyrolysis process of complex materials; and provided a basis for the upgrading of related processes.
{"title":"Unveiling Pyrolysis Mechanisms of Waste Printed Circuit Boards Through Multiphysics Simulation","authors":"Qiwei Xiong, Lu Zhan, Zhenming Xu","doi":"10.1142/s0218126624502943","DOIUrl":"https://doi.org/10.1142/s0218126624502943","url":null,"abstract":"The pyrolysis process of waste printed circuit board (WPCB) with high economic benefit has been a black box problem, limiting the upgrading of pyrolysis processes. The resourcefulness and hazardous nature of WPCB will make it necessary for it to be treated properly. Multiphysics model was built to simulate the whole processes of WPCB pyrolysis and contaminants’ release. The circuit board samples containing six components were selected for pyrolysis in a tube furnace at a rate of 10[Formula: see text]C/min from room temperature to 600[Formula: see text]C, and the residual rate of Br- was determined by the oxygen bomb method. The results showed that the difference in temperature distribution could be attributed to thermal conductivity and surface area. Heat distribution would be more even from the inner material in areas where holes existed. The assembly method would affect the stress distribution around the components. Thermal stress at the pins might cause the separation of components from the substrate. The concentration of brominated contaminants was influenced by the material and assembly method. The instantaneous concentration around the pin was 3–4 times compared to the bare substrate, which was beneficial for the release and control of brominated organics. This study provided the research method for the in-depth understanding of the pyrolysis process of complex materials; and provided a basis for the upgrading of related processes.","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":"5 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141684164","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-07DOI: 10.1142/s0218126624503018
Sudarsan Biswas, Diganta Saha, Rajat Pandit
{"title":"A Prefix-Based Key-value Pair Approach for Rare Itemsets Mining without FP Tree Generation Under Fixed and Incremental Support Constraints","authors":"Sudarsan Biswas, Diganta Saha, Rajat Pandit","doi":"10.1142/s0218126624503018","DOIUrl":"https://doi.org/10.1142/s0218126624503018","url":null,"abstract":"","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":" 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141373195","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-06DOI: 10.1142/s0218126624502980
Rhittwikraj Moudgollya, A. K. Sunaniya, Rajat kanti Bhattacharjee
{"title":"Efficient Multi Object Tracking Using RNN and Siamese Re-Identification","authors":"Rhittwikraj Moudgollya, A. K. Sunaniya, Rajat kanti Bhattacharjee","doi":"10.1142/s0218126624502980","DOIUrl":"https://doi.org/10.1142/s0218126624502980","url":null,"abstract":"","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":"120 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141376560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-06DOI: 10.1142/s0218126624502992
P. Kannan, S. Arockia Edwin Xavier
{"title":"IEZ-Source Inverter Topology with tuned GSO based FOPID Controller of Carrier SPWM Technique in Grid Connected System","authors":"P. Kannan, S. Arockia Edwin Xavier","doi":"10.1142/s0218126624502992","DOIUrl":"https://doi.org/10.1142/s0218126624502992","url":null,"abstract":"","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":"96 s392","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141377525","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-06-06DOI: 10.1142/s0218126624503006
Hiramoni Khatun, Utpal Sarma
{"title":"Shape Optimization of a Dumbbell Unimorph Piezoelectric Energy Harvester","authors":"Hiramoni Khatun, Utpal Sarma","doi":"10.1142/s0218126624503006","DOIUrl":"https://doi.org/10.1142/s0218126624503006","url":null,"abstract":"","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":"66 3","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-06-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141381706","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-21DOI: 10.1142/s0218126624502918
Nageswar Rao Thadikamalla, Amara Prakasa Rao
{"title":"Optimizing Elliptical Cylindrical Antenna Array for Improved Wireless Communication Using Novel PSO Algorithm","authors":"Nageswar Rao Thadikamalla, Amara Prakasa Rao","doi":"10.1142/s0218126624502918","DOIUrl":"https://doi.org/10.1142/s0218126624502918","url":null,"abstract":"","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":"132 51","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141115023","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2024-05-20DOI: 10.1142/s0218126624502906
D. Poornima, C. Vivekanandan
{"title":"A Series Compensated Buck-Boost Converter Based Thermoelectric Energy Harvesting System with Sliding Mode Controller","authors":"D. Poornima, C. Vivekanandan","doi":"10.1142/s0218126624502906","DOIUrl":"https://doi.org/10.1142/s0218126624502906","url":null,"abstract":"","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":"6 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141120999","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Identification of user requirements and their influencing factors based on online reviews and operational data","authors":"Ruijie Zhang, Yu Chen, Keqin Wang, Dagang Shen, Kailong Zhang, Weili Xia","doi":"10.1142/s0218126624502888","DOIUrl":"https://doi.org/10.1142/s0218126624502888","url":null,"abstract":"","PeriodicalId":508131,"journal":{"name":"Journal of Circuits, Systems and Computers","volume":"5 11","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140963867","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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