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Design of a 5V-output boost DC-DC converter with improved protection functions for battery-operated devices 设计一种5v输出升压DC-DC转换器，具有改进的电池供电设备保护功能
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030978
Yongsea Mo, Wonju Song, Ja-kyeong Lee, Yeji Han, Sandeep Kumar, Hanjung Song
{"title":"Design of a 5V-output boost DC-DC converter with improved protection functions for battery-operated devices","authors":"Yongsea Mo, Wonju Song, Ja-kyeong Lee, Yeji Han, Sandeep Kumar, Hanjung Song","doi":"10.1109/ICSSE.2017.8030978","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030978","url":null,"abstract":"In this paper, a step-up dc-dc converter for mobile device applications is proposed. The converter is operated with 1 MHz high switching frequency. The power stage of converter includes an inductor, an output capacitor, MOS transistors and feedback resistors for control loop. The control stage consists of an error amplifier, comparator, a ramp generator for PWM block, bandgap reference and soft start block with power transistor. Also, the circuit includes protection block such as over voltage protection (OVP), under voltage lock out (UVLO) and thermal shutdown (TSD) block. The proposed step-up converter has been designed with a 0.18 um CMOS process technology. Simulation results show an output voltage of 5 V with a ripple of 40 mV at the output current of 100 mA for an input voltage of 3.3 V.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"133 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132324833","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}
引用次数: 7
Input constrained hover control with receding horizon LQR for disturbed TRMS 扰动TRMS的输入约束水平后退LQR悬停控制
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030912
Dinh Van Nghiep, N. Hien, Nguyen Thu Ha, N. Phuoc
{"title":"Input constrained hover control with receding horizon LQR for disturbed TRMS","authors":"Dinh Van Nghiep, N. Hien, Nguyen Thu Ha, N. Phuoc","doi":"10.1109/ICSSE.2017.8030912","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030912","url":null,"abstract":"The paper proposes an approach to design optimal receding horizon controller for tracking control a TRMS (twin rotor multiple input multiple output system), which is a nonlinear system with two degrees of freedom, cross couplings and perturbed additionally by system disturbances. On the contrary to all other MPC controllers, which use consistently a finite horizon and discrete time model of controlled object, the here proposed controller uses an infinite horizon and continuous time nonlinear model. Hence it always guarantees the adaptive tracking stability of obtained closed loop systems in real time, without using an additional penalty function in objective function as usual. The obtained simulation results by using this controller have confirmed its promising applicability in practice.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"18 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133116184","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}
引用次数: 2
Robust control for buck converter based on optimization 基于优化的降压变换器鲁棒控制
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030967
Dao Phuong Nam, Tran Anh Vu, N. Quyen, N. T. Huong, Pham-Thi Huong
{"title":"Robust control for buck converter based on optimization","authors":"Dao Phuong Nam, Tran Anh Vu, N. Quyen, N. T. Huong, Pham-Thi Huong","doi":"10.1109/ICSSE.2017.8030967","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030967","url":null,"abstract":"This work develops a technique to design a feedback stabilizing control law for an unstable autonomous switched system. This method is analyzed and then applied to the DCDC buck converter when considering the uncertainty of the parameters in the model. Based on this model, a control law is design to allow the output voltage track a reference voltage when the load is changed. The control objective is to find the switching strategy where the state of the system converges to the equilibrium in the presence of the uncertainty of the system. The design problem is cast into an optimization problem which can be solved via the LMI toolbox in Matlab. The tracking error is bounded in a certain region. The simulation results using Simulink in Matlab are presented to validate the capability of the control system.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130548486","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}
引用次数: 5
Predicting of the performance of franchise industry using Grey models - case study in United States 运用灰色模型预测特许经营行业绩效——以美国为例
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030948
Thuy-Mai-Trinh Nguyen, J. Day, Chia-Nan Wang, Hoang-Sa Dang
{"title":"Predicting of the performance of franchise industry using Grey models - case study in United States","authors":"Thuy-Mai-Trinh Nguyen, J. Day, Chia-Nan Wang, Hoang-Sa Dang","doi":"10.1109/ICSSE.2017.8030948","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030948","url":null,"abstract":"Along with the globalization of business, the opportunities and challenges in franchise business are increased. In order to ensure that the franchise industry grows stably, it has been always an important topic to forecast the franchise performance accurately. Thus, this study aims at utilizing Grey prediction as an analyze methodology to estimate the performance of US's franchise industry in order to understand the growth of the franchise industry in the near future The result revealed, the performance of US's franchise section will increase significantly year-on-year. Among that, revenue of business services franchises will be expected to reach 1,177 billion dollars in 2021. In addition, round of 817,986 franchise establishments will be expected to operate which will attract about 10 million employees in the franchise sector in 2021. This research can help investors to have a good overview of the franchise business in US in particular and in the global market in general.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"64 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116628481","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}
引用次数: 3
Design of a compliant bio-inspired camera-positioning mechanism for autonomous mobile robots 自主移动机器人柔性仿生摄像定位机构设计
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030890
Ngoc-Phuong Hoang, H. Pham
{"title":"Design of a compliant bio-inspired camera-positioning mechanism for autonomous mobile robots","authors":"Ngoc-Phuong Hoang, H. Pham","doi":"10.1109/ICSSE.2017.8030890","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030890","url":null,"abstract":"This paper presents the design of a compliant bio-inspired camera-positioning mechanism. The device combines human muscle actuation scheme and spherical mechanism with the aim of miniaturizing the orienting mechanism. The active orientation system which controls two DOFs (pan and tilt) were synthesized by using compliant mechanism. The flexible mechanisms utilize the deflection of curved beams to drive the orienting modules. A shape and size optimization process using genetic algorithm was used for the design. The multi-objective of the optimization problem is the maximum orienting angles and a linear input-output relation. To demonstrate the feasibility of the optimum design, finite element analysis was carried out. The results show that the proposed design exhibits essential characteristics of a camera-orientation system such as light weight, compactness and high precision.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124750107","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}
引用次数: 1
Accurate RGB-D camera based on structured light techniques 基于结构光技术的精确RGB-D相机
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030872
V. Tran, H. Lin
{"title":"Accurate RGB-D camera based on structured light techniques","authors":"V. Tran, H. Lin","doi":"10.1109/ICSSE.2017.8030872","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030872","url":null,"abstract":"Recently, RGB-D cameras have been widely used to perform 6-D pose estimation of target objects for robotic manipulation. Such applications require accuracy shape measurements for 3-D modeling of the objects. In this work, we develop an RGB-D camera based on the structured light (SL) techniques with gray-code encoding and decoding. The intrinsic and extrinsic parameters of the camera system are determined by a calibration process. 3-D reconstruction of the object surface is based on a ray triangulation principle by computing the intersection point. In the implementation, we construct an RGB-D sensing system with an industrial camera and a digital light projector. In the experiments, real world objects are used to test the feasibility of the proposed method. The evaluation carried out using planar objects has demonstrated the accuracy of our RGB-D camera system.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125242117","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}
引用次数: 8
Diagnostic of batteries based on microcontroller and smartphone 基于单片机和智能手机的电池诊断
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030972
P. Maussion, P. Q. Dung, L. T. Chi, B. Dagues
{"title":"Diagnostic of batteries based on microcontroller and smartphone","authors":"P. Maussion, P. Q. Dung, L. T. Chi, B. Dagues","doi":"10.1109/ICSSE.2017.8030972","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030972","url":null,"abstract":"This paper presents an approach to diagnose batteries with the help of microcontroller and smartphone. It aims to determine the available capacity, the state of charge (SoC) and the state of health (SoH) of a battery. A battery is aged by charging and discharging cycles, this process degrades the chemical composition of the battery. Thus, this paper aims at using two-pulse test to determine Ampere hour capacity (AHC), SoC and SoH of a valve regulated lead acid (VRLA). These parameters are related to the voltage drop after each pulse of current discharge. By using a microcontroller and smartphone, it is possible to easily change the controller parameters according to different size of battery. The microcontroller will be used to control current discharge based on two-pulse method and a discrete PID. A smartphone with an application based on Android program and via Bluetooth communication allows to change the parameters for the controller and monitor the performance of battery test. This concept is validated by simulations and experiments on an emulated system for availability reasons. This work takes place in a larger process which aims at providing local solutions for local problems according to the “Jugaad” philosophy, which can be seen as “frugal innovation”. The main idea is to re-use “old” elements such as automotive batteries in this case, to propose cheap and local solutions for off-grid village electrification.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"44 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125483724","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}
引用次数: 2
Developing a system of systems management framework for the Fukushima Daiichi Nuclear disaster recovery 为福岛第一核电站灾难恢复开发系统管理框架
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030938
I. Gunawan, A. Gorod, Leonie Hallo, Tiep Nguyen
{"title":"Developing a system of systems management framework for the Fukushima Daiichi Nuclear disaster recovery","authors":"I. Gunawan, A. Gorod, Leonie Hallo, Tiep Nguyen","doi":"10.1109/ICSSE.2017.8030938","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030938","url":null,"abstract":"Systems are becoming more complex due to uncertainties arising from rapid global technological progress and the growing involvement and interconnectedness of the human factor. Thus new management approaches are needed in order to improve system management effectiveness and efficiency. This research addresses critical issues in management decision-making processes for complex systems, and proposes a System of Systems (SoS) management framework to assist system engineers to assess continuously a complex situation and develop systemic solutions to problems. This paper demonstrates the usefulness of an SOS management framework using modelling and simulation. A case study examines the application of the new approach in the emergency recovery management of the Fukushima Daiichi Nuclear Power Plant disaster in Japan. Based on research related to this incident and the recovery efforts following, the paper shows that the SoS approach can have benefits for complex system management, providing flexibility while at the same time retaining the ability to regulate the degree of control of the system.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"48 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130260655","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}
引用次数: 5
Ultrasonic spot welds of carbon paper and proton - exchange-membrane for applications in membrane-electrode-assemblies of fuel cells 碳纸与质子交换膜的超声点焊在燃料电池膜电极组件中的应用
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030959
Q. Dang, T. Dang, F. Weng, Dung-An Wang
{"title":"Ultrasonic spot welds of carbon paper and proton - exchange-membrane for applications in membrane-electrode-assemblies of fuel cells","authors":"Q. Dang, T. Dang, F. Weng, Dung-An Wang","doi":"10.1109/ICSSE.2017.8030959","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030959","url":null,"abstract":"Ultrasonic welding of carbon paper and proton exchange membrane (PEM) for membrane exchange assemblies (MEAs) of fuel cells (FCs) is a viable technology to replace hot-pressing, which may be time consuming and energy inefficient. Ultrasonic spot welding of carbon paper and PEM is investigated in order to understand the bonding mechanisms and obtain the suitable processing parameters. Micrographs of the tested specimens are examined to evaluate the welding quality. Effects of the welding time on the quality of the ultrasonic welds of the MEAs are studied. It is found that joints made by ultrasonic welding has the strength comparable to that of the base material. Values of welding time, holding time and downward force for successful bonding in terms of mechanical strength are obtained.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"25 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129519100","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}
引用次数: 0
Adaptive tracking control based on CMAC for nonlinear systems 基于CMAC的非线性系统自适应跟踪控制
2017 International Conference on System Science and Engineering (ICSSE) Pub Date : 2017-07-01 DOI: 10.1109/ICSSE.2017.8030923
V. Ta, X. Dang, Thanhquyen Ngo
{"title":"Adaptive tracking control based on CMAC for nonlinear systems","authors":"V. Ta, X. Dang, Thanhquyen Ngo","doi":"10.1109/ICSSE.2017.8030923","DOIUrl":"https://doi.org/10.1109/ICSSE.2017.8030923","url":null,"abstract":"In this study, we present control system based on cerebellar model articulation controller (CMAC) for nonlinear systems to achieve high precision trajectory tracking. The proposed control system includes the CMAC with its fast learning and good generalization capability is applied to approximate uncertainties or model parameter variation to attain error function minimum and a compensator controller (CC) is designed to cancel the approximation error for guaranteeing the stable of the system. The gradient descent method is used to turn online parameters of the CMAC and the stability of the control system can be guaranteed by the compensator controller. The experimental results of Tank Pressure Control and Tank Water Level Control Systems prove that the robustness and effectiveness of the proposed controller.","PeriodicalId":296191,"journal":{"name":"2017 International Conference on System Science and Engineering (ICSSE)","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2017-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129884006","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}
引用次数: 8
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