Pub Date : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795766
Chenhan Ruan, Hongyi Wang, Liming Zheng, Jianfei Wu, Fengxian Ma
Digital Terrestrial Multimedia Broadcast (DTMB) has high signal coverage and strong stability, so it can be used in Ambient Backscatter Communication (AmBC). To solve the problem of signal detection performance degradation of traditional algorithm in high backscattering rate scenes, this paper presents a signal detection algorithm based on DTMB frame structure. By introducing preamble, the receiver can not only detect the reflected link signal from the received signal, but also perceive the corresponding relationships between the information symbol and the DTMB signal frame; by introducing training symbol, the receiver can get the decision threshold of the information symbol, and then complete the demodulation of the information symbol. Simulation results show that the proposed algorithm significantly improves the signal detection performance.
{"title":"Research on Ambient Backscatter Communication Signal Detection Algorithm Based on Digital Terrestrial Multimedia Broadcast","authors":"Chenhan Ruan, Hongyi Wang, Liming Zheng, Jianfei Wu, Fengxian Ma","doi":"10.1109/iemtronics55184.2022.9795766","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795766","url":null,"abstract":"Digital Terrestrial Multimedia Broadcast (DTMB) has high signal coverage and strong stability, so it can be used in Ambient Backscatter Communication (AmBC). To solve the problem of signal detection performance degradation of traditional algorithm in high backscattering rate scenes, this paper presents a signal detection algorithm based on DTMB frame structure. By introducing preamble, the receiver can not only detect the reflected link signal from the received signal, but also perceive the corresponding relationships between the information symbol and the DTMB signal frame; by introducing training symbol, the receiver can get the decision threshold of the information symbol, and then complete the demodulation of the information symbol. Simulation results show that the proposed algorithm significantly improves the signal detection performance.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"40 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124193900","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795776
R. Kashef, Shabbir Mirza
Since there is a cost associated with providing 24/7 support, it is also common to divide user support into tiers where a group focused on usability and training of the software provides tier 1 support and another group, consisting of mainly developers, is focused on feature development, software bug fixing, and related issues work separately in a different tier. This paper focuses on software organizations where the developer tier operates from just one part of the world under a single time zone. This group is not available on a 24/7 basis, but the Tier 1 group works in different regions – and hence time zones - throughout the world to deal with user problems and questions. Users can be internal or external, depending on the purpose of the software. This paper discusses only internal users (developers, users and help desk employees who work for the same company) and the delays in support when dealing with these users who may be working in different regions and/or time zones. Tier 1 support is available around the clock due to hiring help desk resources in different locations under different time zones. If an issue cannot be resolved, the Tier 1 workers escalate the issue to the next tier (the developers), who work regular hours in one region under one time zone. This paper uses discrete event simulation modelling to provide insights for a company with a similar structure to better understand possible software support delays. These delays can be reduced, and better overall support can be provided in the future.
{"title":"Simulating Software Support Delays in a 24/7 Environment Using Discrete Event Simulation","authors":"R. Kashef, Shabbir Mirza","doi":"10.1109/iemtronics55184.2022.9795776","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795776","url":null,"abstract":"Since there is a cost associated with providing 24/7 support, it is also common to divide user support into tiers where a group focused on usability and training of the software provides tier 1 support and another group, consisting of mainly developers, is focused on feature development, software bug fixing, and related issues work separately in a different tier. This paper focuses on software organizations where the developer tier operates from just one part of the world under a single time zone. This group is not available on a 24/7 basis, but the Tier 1 group works in different regions – and hence time zones - throughout the world to deal with user problems and questions. Users can be internal or external, depending on the purpose of the software. This paper discusses only internal users (developers, users and help desk employees who work for the same company) and the delays in support when dealing with these users who may be working in different regions and/or time zones. Tier 1 support is available around the clock due to hiring help desk resources in different locations under different time zones. If an issue cannot be resolved, the Tier 1 workers escalate the issue to the next tier (the developers), who work regular hours in one region under one time zone. This paper uses discrete event simulation modelling to provide insights for a company with a similar structure to better understand possible software support delays. These delays can be reduced, and better overall support can be provided in the future.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125094170","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795802
Xuanyu Qian, Wei Jiang, M. Deen
Accurate photon detection probability (PDP) modeling is important for the optimized design of single-photon avalanche diodes (SPADs) using modern standard CMOS technologies. To ensure a planar active region of a SPAD, the edge of the depletion region must have a lower electric field, so a lower doping concentration is needed. However, this edge effect may have a negative impact on the total PDP, especially for small-sized SPADs. In this paper, we proposed an enhanced PDP modeling process by combining the Technology Computer-Aided Design (TCAD) simulations with machine learning (ML) techniques. Using this ML-TCAD PDP model, we investigated the influence of the edge effect on the PDP of SPADs by varying the diameter of the SPADs from 1.75 μm to 8.75 μm. After generating the sample simulation data, Gaussian process regression (GPR) and deep neuron network (DNN) are applied to train the model. With the application of principal component analysis (PCA), the accuracy of the trained models was significantly improved. Overall, this ML-TCAD PDP model provides an optimized and accelerated design process for SPADs, thus saving simulation time and reducing the design iterations required in the traditional design process of SPADs.
{"title":"Enhanced Photon Detection Probability Model for Single-Photon Avalanche Diodes in TCAD with Machine Learning","authors":"Xuanyu Qian, Wei Jiang, M. Deen","doi":"10.1109/iemtronics55184.2022.9795802","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795802","url":null,"abstract":"Accurate photon detection probability (PDP) modeling is important for the optimized design of single-photon avalanche diodes (SPADs) using modern standard CMOS technologies. To ensure a planar active region of a SPAD, the edge of the depletion region must have a lower electric field, so a lower doping concentration is needed. However, this edge effect may have a negative impact on the total PDP, especially for small-sized SPADs. In this paper, we proposed an enhanced PDP modeling process by combining the Technology Computer-Aided Design (TCAD) simulations with machine learning (ML) techniques. Using this ML-TCAD PDP model, we investigated the influence of the edge effect on the PDP of SPADs by varying the diameter of the SPADs from 1.75 μm to 8.75 μm. After generating the sample simulation data, Gaussian process regression (GPR) and deep neuron network (DNN) are applied to train the model. With the application of principal component analysis (PCA), the accuracy of the trained models was significantly improved. Overall, this ML-TCAD PDP model provides an optimized and accelerated design process for SPADs, thus saving simulation time and reducing the design iterations required in the traditional design process of SPADs.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127308699","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795732
Mamadou I. Wade
This paper shows one way that can be used to strengthen the RSA cryptographic scheme which was published in 1978 by Ron Rivest, Adi Shamir, and Len Adleman. We use the isonumber theory of the first kind which was developed by Santilli where the unit one of normal arithmetic is replaced with a new unit called an isounit. The proposed cryptosystem possesses both characteristics of symmetric and asymmetric encryption and therefore can be seen as a hybrid public-key and private-key cryptographic system that benefits from both types of the cryptographic method with a substantial increase in security of the associated ciphers. Additionally, applications and implementations of the Iso-RSA cryptosystem for the encryption and decryption of information encoded into positive integers or binary digits of 0s or 1s are implemented, and simulation results show that our proposed cryptographic system produces highly secure encrypted information. A wide range of other applications in security mechanisms and security services which include data confidentiality, authentications, data integrity, digital signature, key exchange, and others can be implemented using our proposed Iso-RSA cryptographic scheme.
{"title":"The Iso-RSA Cryptographic Scheme","authors":"Mamadou I. Wade","doi":"10.1109/iemtronics55184.2022.9795732","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795732","url":null,"abstract":"This paper shows one way that can be used to strengthen the RSA cryptographic scheme which was published in 1978 by Ron Rivest, Adi Shamir, and Len Adleman. We use the isonumber theory of the first kind which was developed by Santilli where the unit one of normal arithmetic is replaced with a new unit called an isounit. The proposed cryptosystem possesses both characteristics of symmetric and asymmetric encryption and therefore can be seen as a hybrid public-key and private-key cryptographic system that benefits from both types of the cryptographic method with a substantial increase in security of the associated ciphers. Additionally, applications and implementations of the Iso-RSA cryptosystem for the encryption and decryption of information encoded into positive integers or binary digits of 0s or 1s are implemented, and simulation results show that our proposed cryptographic system produces highly secure encrypted information. A wide range of other applications in security mechanisms and security services which include data confidentiality, authentications, data integrity, digital signature, key exchange, and others can be implemented using our proposed Iso-RSA cryptographic scheme.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"222 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122607947","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795820
L. Nahar
Recognizing and extracting handwritten character information is still a challenge in the scanning process. This research describes a method for OCR applications where Bengali handwritten characters can be recognized effectively. This method mainly focuses on post processing steps like feature extraction and building classification model to find a favorable accuracy rate. For feature extraction LBP method is used. Local Binary Pattern is a coming of age feature extracting method which is applied very few times in Bengali Language. This work is also an experimental approach of confirming what occurs when LBP is used in Bengali Characters. To classify Random Forest algorithm is applied, which is also a unique classification method. The datasets are gathered by collecting Bengali characters written in various fashions. Initially, scanned images of Bengali characters are given as input and by applying LBP required features are extracted. Principal Component Analysis (PCA) is applied on the collected feature vectors to reduce the dimension. Finally, RF algorithm is implied on the output to generate a recognition rate. Support vector machine (SVM) is also used as a classifier to evaluate and compare.
{"title":"Bangla Handwritten Character Recognition Method","authors":"L. Nahar","doi":"10.1109/iemtronics55184.2022.9795820","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795820","url":null,"abstract":"Recognizing and extracting handwritten character information is still a challenge in the scanning process. This research describes a method for OCR applications where Bengali handwritten characters can be recognized effectively. This method mainly focuses on post processing steps like feature extraction and building classification model to find a favorable accuracy rate. For feature extraction LBP method is used. Local Binary Pattern is a coming of age feature extracting method which is applied very few times in Bengali Language. This work is also an experimental approach of confirming what occurs when LBP is used in Bengali Characters. To classify Random Forest algorithm is applied, which is also a unique classification method. The datasets are gathered by collecting Bengali characters written in various fashions. Initially, scanned images of Bengali characters are given as input and by applying LBP required features are extracted. Principal Component Analysis (PCA) is applied on the collected feature vectors to reduce the dimension. Finally, RF algorithm is implied on the output to generate a recognition rate. Support vector machine (SVM) is also used as a classifier to evaluate and compare.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126444535","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795816
Deyby Huamanchahua, Diego Osores-Aguilar, Victor Andre Leon-Sales, Yadhira S. Valenzuela-Lino, Harold Huallanca-Escalera
In recent years, the development of prosthetic limbs has increased due to the various studies that have been carried out around Biomechanics. These technological advances have allowed many amputee patients to return to their daily activities and, in some cases, to recover their social life. However, there are still limitations for some types of prostheses such as passive prostheses, mainly those intended for people with transtibial amputations since they do not perform the physiological function of the joints. Therefore, in-depth research on transtibial prostheses has been carried out. The search period spans from the year 2018 to the year 2021. Information was considered in a simplified and well-structured manner on the design of a transtibial electromechanical prosthesis. Therefore, we will analyze its main features related to its design and application in the patient.
{"title":"Transtibial Electromechanical Prosthesis Based on a Parallel Robot: A Innovate Review","authors":"Deyby Huamanchahua, Diego Osores-Aguilar, Victor Andre Leon-Sales, Yadhira S. Valenzuela-Lino, Harold Huallanca-Escalera","doi":"10.1109/iemtronics55184.2022.9795816","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795816","url":null,"abstract":"In recent years, the development of prosthetic limbs has increased due to the various studies that have been carried out around Biomechanics. These technological advances have allowed many amputee patients to return to their daily activities and, in some cases, to recover their social life. However, there are still limitations for some types of prostheses such as passive prostheses, mainly those intended for people with transtibial amputations since they do not perform the physiological function of the joints. Therefore, in-depth research on transtibial prostheses has been carried out. The search period spans from the year 2018 to the year 2021. Information was considered in a simplified and well-structured manner on the design of a transtibial electromechanical prosthesis. Therefore, we will analyze its main features related to its design and application in the patient.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"10 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127939141","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795804
S. Kalaycioglu, A. D. Ruiter
This paper presents a novel optimal control algorithm for coordinated force and motion control of multi rover robotics system with mecanum wheels while manipulating a common payload. Such a system with kinematical rolling conditions lead to non-holonomic constraints. The proposed control algorithm focuses on the minimization of joint torques, the rover-mecanum wheel moments as well as the contact force / moments made with the payload. A quadratic cost function in terms of the joint torques, the wheel moments and the contact forces and moments are minimized to overcome the so called joint torque saturation problem commonly seen while manipulating a common payload and also to provide an optimum solution for such an underdetermined system with non-holonomic constraints Furthermore, the proposed control algorithm provides an on-line trajectory generation capability while manipulating a common payload for both the rovers and the arms simultaneously. The computer simulation results show that the control algorithm works efficiently and the minimum joint torques, and the contact forces and moments can be obtained while the end-effectors are manipulating and tracking a desired payload trajectory.
{"title":"Coordinated Motion and Force Control of Multi-Rover Robotics System with Mecanum Wheels","authors":"S. Kalaycioglu, A. D. Ruiter","doi":"10.1109/iemtronics55184.2022.9795804","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795804","url":null,"abstract":"This paper presents a novel optimal control algorithm for coordinated force and motion control of multi rover robotics system with mecanum wheels while manipulating a common payload. Such a system with kinematical rolling conditions lead to non-holonomic constraints. The proposed control algorithm focuses on the minimization of joint torques, the rover-mecanum wheel moments as well as the contact force / moments made with the payload. A quadratic cost function in terms of the joint torques, the wheel moments and the contact forces and moments are minimized to overcome the so called joint torque saturation problem commonly seen while manipulating a common payload and also to provide an optimum solution for such an underdetermined system with non-holonomic constraints Furthermore, the proposed control algorithm provides an on-line trajectory generation capability while manipulating a common payload for both the rovers and the arms simultaneously. The computer simulation results show that the control algorithm works efficiently and the minimum joint torques, and the contact forces and moments can be obtained while the end-effectors are manipulating and tracking a desired payload trajectory.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128983402","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795829
Deyby Huamanchahua, Kevin Aubert, Mirella Rivas, Eduardo Guerrero, Laura Kodaka, Diego Guevara
Due to the large number of emergencies and disasters happening around the globe, the technology development to face these difficulties has risen in different areas, one of them being the robotics field: rescue robots. A great amount of incentives have been presented over the years to increase the numbers of studies in the creation of rescue robots, like competitions and funding opportunities. The objective of writing this paper is to document and review different rescue robot works to provide, to interested individuals in the research area, a basis to start in this field. Twenty-six articles on rescue robotics development, ranging from 2017 to 2021, were found and selected using academic search engines.
{"title":"Land-Mobile Robots for Rescue and Search: A Technological and Systematic Review","authors":"Deyby Huamanchahua, Kevin Aubert, Mirella Rivas, Eduardo Guerrero, Laura Kodaka, Diego Guevara","doi":"10.1109/iemtronics55184.2022.9795829","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795829","url":null,"abstract":"Due to the large number of emergencies and disasters happening around the globe, the technology development to face these difficulties has risen in different areas, one of them being the robotics field: rescue robots. A great amount of incentives have been presented over the years to increase the numbers of studies in the creation of rescue robots, like competitions and funding opportunities. The objective of writing this paper is to document and review different rescue robot works to provide, to interested individuals in the research area, a basis to start in this field. Twenty-six articles on rescue robotics development, ranging from 2017 to 2021, were found and selected using academic search engines.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"26 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128700865","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795750
Ethan Robyn V. Ebuen, La Vern Ramir Certeza, Johannes Kurt Tecson, Jowen Louis Francisco, Carl Vincent Villanueva, Jomar Lord Cauton
Various researchers have studied how to increase the performance of thermoelectric cooling devices by optimizing their module design. In the present study, the researchers investigate whether a truncated square pyramid leg geometry results to a higher COP than a symmetrical rectangular leg by varying the middle and contact areas. The values of the input parameters for the thermal-electric analysis were generated using a sphere packing design. Then, the different leg geometries were modelled in FUSION 360 and simulated in ANSYS to determine the COP from the resulting hot and cold side temperatures. Afterward, a mathematical model was generated using Gaussian Process modelling to model COP as a function of the middle and contact areas. By maximizing the desirability function of the model, results show that for the experimental design space considered for this study (contact area: 0.108 mm2 < AC < 1.000 mm2; middle area: 1.150 mm2 < AM < 2.560 mm2), the highest COP was attained at AC = 1.000 mm2 and AM = 1.150 mm2. The researchers therefore conclude that an asymmetrical truncated square pyramid leg geometry yields a higher COP compared to a symmetrical rectangular leg geometry, which is consistent with the results of past studies.
许多研究者研究了如何通过优化热电冷却装置的模块设计来提高其性能。在本研究中，研究人员通过改变中间和接触面积来研究截断的方形金字塔腿几何形状是否比对称矩形腿产生更高的COP。热电分析的输入参数值是用球体填充设计生成的。然后，在FUSION 360中对不同的支腿几何形状进行建模，并在ANSYS中进行仿真，从而根据所得的冷热侧温度确定COP。然后，利用高斯过程建模建立了COP作为中间和接触面积函数的数学模型。通过最大化模型的期望函数，结果表明，对于本研究考虑的实验设计空间(接触面积:0.108 mm2 < AC < 1.000 mm2;中间面积:1.150 mm2 < AM < 2.560 mm2)，在AC = 1.000 mm2和AM = 1.150 mm2时COP最高。因此，研究人员得出结论，与对称的矩形腿的几何形状相比，不对称的正方形金字塔腿的几何形状产生更高的COP，这与过去的研究结果一致。
{"title":"Leg Geometry Optimization of Thermoelectric Cooler to Maximize COP through Gaussian Process Modelling","authors":"Ethan Robyn V. Ebuen, La Vern Ramir Certeza, Johannes Kurt Tecson, Jowen Louis Francisco, Carl Vincent Villanueva, Jomar Lord Cauton","doi":"10.1109/iemtronics55184.2022.9795750","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795750","url":null,"abstract":"Various researchers have studied how to increase the performance of thermoelectric cooling devices by optimizing their module design. In the present study, the researchers investigate whether a truncated square pyramid leg geometry results to a higher COP than a symmetrical rectangular leg by varying the middle and contact areas. The values of the input parameters for the thermal-electric analysis were generated using a sphere packing design. Then, the different leg geometries were modelled in FUSION 360 and simulated in ANSYS to determine the COP from the resulting hot and cold side temperatures. Afterward, a mathematical model was generated using Gaussian Process modelling to model COP as a function of the middle and contact areas. By maximizing the desirability function of the model, results show that for the experimental design space considered for this study (contact area: 0.108 mm2 < AC < 1.000 mm2; middle area: 1.150 mm2 < AM < 2.560 mm2), the highest COP was attained at AC = 1.000 mm2 and AM = 1.150 mm2. The researchers therefore conclude that an asymmetrical truncated square pyramid leg geometry yields a higher COP compared to a symmetrical rectangular leg geometry, which is consistent with the results of past studies.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"107 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117227860","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 : 2022-06-01DOI: 10.1109/iemtronics55184.2022.9795703
Zuohai Chen, Heng Qian, Yongchao Gao, Hongli Lyu, Qiuyue Wang
In order to satisfy the current needs of urban grassroots governance, a novel city hotline service ontology is constructed to improve the efficiency and effectiveness of city hotline service in this paper. Firstly, the TOVE method is applied to construct government hotline service ontology for urban grassroots governance based on the cases of city hotline service. Secondly, the necessary concepts are defined, including the hierarchical relationships, attributes, and constraints among the seven modules of the city, personnel, organization, government, hotline appeal, hotline complaint object, and hotline processing results. Finally, the city hotline service ontology is built with the protégé ontology development tool and then tested in hotline scenarios of different urban grassroots governance. The testing results verify the validity and practicability of the proposed ontology so that the needs of hotline service are met in urban grassroots governance.
{"title":"Ontology Construction of City Hotline Service for Urban Grassroots Governance","authors":"Zuohai Chen, Heng Qian, Yongchao Gao, Hongli Lyu, Qiuyue Wang","doi":"10.1109/iemtronics55184.2022.9795703","DOIUrl":"https://doi.org/10.1109/iemtronics55184.2022.9795703","url":null,"abstract":"In order to satisfy the current needs of urban grassroots governance, a novel city hotline service ontology is constructed to improve the efficiency and effectiveness of city hotline service in this paper. Firstly, the TOVE method is applied to construct government hotline service ontology for urban grassroots governance based on the cases of city hotline service. Secondly, the necessary concepts are defined, including the hierarchical relationships, attributes, and constraints among the seven modules of the city, personnel, organization, government, hotline appeal, hotline complaint object, and hotline processing results. Finally, the city hotline service ontology is built with the protégé ontology development tool and then tested in hotline scenarios of different urban grassroots governance. The testing results verify the validity and practicability of the proposed ontology so that the needs of hotline service are met in urban grassroots governance.","PeriodicalId":442879,"journal":{"name":"2022 IEEE International IOT, Electronics and Mechatronics Conference (IEMTRONICS)","volume":"83 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115425455","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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