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Surplus heat drive actuators using MH alloys for assistive devices 辅助装置用MH合金的余热驱动执行器
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939685
Mitsuru Sato, M. Hosono, S. Nakajima, K. Yamashita, T. Izumi, S. Ino
{"title":"Surplus heat drive actuators using MH alloys for assistive devices","authors":"Mitsuru Sato, M. Hosono, S. Nakajima, K. Yamashita, T. Izumi, S. Ino","doi":"10.1109/ICIT.2009.4939685","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939685","url":null,"abstract":"A metal hydride (MH) actuator that uses the reversible reaction between the heat energy and mechanical energy of a hydrogen absorbing alloy is characterized by its small size, low weight, noiseless operation and mechanical compliance. Though the moving speed of the MH actuator is slow, this actuator is a suitable as a power source for rehabilitation or assistive devices. Prototype assistive devices using the MH actuator were reported, such as a wheelchair with a seat lifter and a robotic transfer aid to assist sit-to-stand motion. The main characteristic of the MH actuator includes a heat drive. This allows the MH actuator to be driven by surplus heat present in the surrounding environment. When only a high-temperature heat source is available, the surplus heat drive of the MH actuator requires rapid hydrogen absorbing to the MH alloy. This paper describes the means to improve the hydrogen absorption characteristics of the MH alloys. Three compositions of MH alloys were tested. One of these alloys obtained sufficient hydrogen absorption under natural cooling of the MH module. This means that the surplus heat source provides repeating absorption and release of hydrogen on the MH alloy. Maintaining this cycle forms an MH air compressor in which the air pressure is produced by converting the hydrogen pressure in the MH actuator. The advantages of this air compressor are that the small size and easily altered shape have the potential for the realization of unprecedented assistive technology devices for persons with disabilities.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"106 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114608916","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
Optimization of parameters of the Kelvin element in vibration analysis 振动分析中开尔文元件参数的优化
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939711
A. Kuznetsov, M. Mammadov, E. Hajilarov
{"title":"Optimization of parameters of the Kelvin element in vibration analysis","authors":"A. Kuznetsov, M. Mammadov, E. Hajilarov","doi":"10.1109/ICIT.2009.4939711","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939711","url":null,"abstract":"In this paper we consider the problem of finding optimal parameters of the Kelvin element in vibration analysis. This problem is based on finding analytical solution of the initial ODE for development of the optimization model. Such technique allows us to compute optimal parameters of Kelvin element.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"11 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114872309","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
Flow estimation using genetic algorithm and neural network 基于遗传算法和神经网络的流量估计
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939634
Jinhee Lee, Se-Young Oh, Chintae Choi, Heedon Jeong
{"title":"Flow estimation using genetic algorithm and neural network","authors":"Jinhee Lee, Se-Young Oh, Chintae Choi, Heedon Jeong","doi":"10.1109/ICIT.2009.4939634","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939634","url":null,"abstract":"The paper presents flow estimation method of parallel driven pumps with bended pipes near pumps' output parts. Flow can not be measured near bended pipe region due to turbulence of fluid. So, it needs to find other methods to estimate the flow. In this paper, we propose flow estimation method using genetic algorithm (GA) and neural network (NN). Parallel driven pumps are modeled using NN and the weights of NN are learned from GA through fitness evaluation. Fitness functions are defined by average value of errors between measured flow values of main pipe and estimated values of it. Max/min value of each pump's flow is constrained in order to reduce search space of GA and to raise precision of estimation. The effectiveness of proposed algorithm is proven through experiments.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"33 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116894091","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
Electricity supply chain coordination based on quantity discount contracts 基于数量折扣合同的电力供应链协调
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939668
Yu Dai, Hongming Yang, Jiajie Wu
{"title":"Electricity supply chain coordination based on quantity discount contracts","authors":"Yu Dai, Hongming Yang, Jiajie Wu","doi":"10.1109/ICIT.2009.4939668","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939668","url":null,"abstract":"Electricity supply chain coordination mechanism from the fuel supply, power generation and transmission to electricity consumption has become an important research topic to ease electric coal supply conflicts. In this paper, based on the quantity discount contracts, the electricity supply chain coordination model is proposed. The model makes the rational decision-making of individual members in the supply chain to achieve the optimal overall performance. With satisfying the power transmission network constraints, the model couples the optimal decision-making of fuel enterprises, power generation enterprises, customers and independent system operator by the quantity discount contracts of fuel procurement prices. Mathematically, it is represented by the multi-layer optimization with the equality and inequality constraints. By using the non-linear complementary function method, the electricity supply chain coordination model is transferred into a set of non-linear algebraic equations, and then the value of quantity discount is obtained which make the individual decision-making achieve optimal supply chain performance.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"30 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117104258","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
Fuzzy logic based integrated control of Anti-lock Brake System and Collision Avoidance System using CAN for electric vehicles 基于模糊逻辑的电动汽车防抱死制动与防撞系统CAN集成控制
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939720
K. Sudeendra Kumar, Leslin Verghese, K. Mahapatra
{"title":"Fuzzy logic based integrated control of Anti-lock Brake System and Collision Avoidance System using CAN for electric vehicles","authors":"K. Sudeendra Kumar, Leslin Verghese, K. Mahapatra","doi":"10.1109/ICIT.2009.4939720","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939720","url":null,"abstract":"This paper investigates the integrated control of Anti-lock Brake System (ABS) and Collision Avoidance System (CAS) in electric vehicle. Fuzzy logic techniques are applied for integral control of two subsystems. Control algorithm is implemented and tested in a prototype electric vehicle in laboratory environment using freescale HCS12 microcontroller. A high level network protocol CAN is applied to integrate all sensors, ABS and CAS. The results show that integrated control of ABS and CAS maintains the safe distance from obstacle without sacrificing the performance of either system.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"56 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123440641","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: 19
Optimal design of toroidally-wound brushless DC machines 环形绕线无刷直流电机的优化设计
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939666
Hak-In Lee, M. Noh
{"title":"Optimal design of toroidally-wound brushless DC machines","authors":"Hak-In Lee, M. Noh","doi":"10.1109/ICIT.2009.4939666","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939666","url":null,"abstract":"Toroidally-wound brushless DC machines are compact, efficient and can operate across large air gaps. In this paper, we provide analytic design equations for a radial-gap toroidally-wound BLDC machine. The validity of the design equations are checked against finite element analysis. We also provide an optimization metric that corresponds to the maximization of machine torque while maintaining minimum power loss.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"49 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117202034","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
A unified audio and image steganography by spectrum modification 一种统一的音频和图像隐写技术
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939516
K. Gopalan
{"title":"A unified audio and image steganography by spectrum modification","authors":"K. Gopalan","doi":"10.1109/ICIT.2009.4939516","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939516","url":null,"abstract":"A method of embedding information in the spectral domain of a cover audio and a cover image that can be extended to video frames is proposed. The technique exploits the imperceptibility of human auditory and visual systems at low levels of spectral changes. By selectively altering the spectrum at a pair of one-dimensional frequencies by a small percentage of the average power of a segment of audio or image, the psychoacoustical or psychovisual masking property enables unnoticeable embedding with a large payload. Initial studies on the effect of Gaussian noise added to the stego demonstrate the robustness of the technique to noise in both the stego audio and image. The imperceptibility of the technique combined with high payload, robustness of embedded data and accurate data retrieval renders the proposed steganography suitable for covert communication and secure data transmission applications.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129747058","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: 35
Real-time optimal trajectory planning for robotic manipulators with functional redundancy 具有功能冗余的机械臂实时最优轨迹规划
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939528
P. From, J. Gravdahl
{"title":"Real-time optimal trajectory planning for robotic manipulators with functional redundancy","authors":"P. From, J. Gravdahl","doi":"10.1109/ICIT.2009.4939528","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939528","url":null,"abstract":"In this paper we show that by allowing a small orientation error in the specifications of the end effector orientation for spray paint applications, both speed and performance can be substantially improved. In previous publications, we have shown how a continuous set of orientations can be represented as a positive definiteness test on a given matrix. This allows us to cast the problem into a convex optimisation problem where the optimal orientation for each time step is to be found. The orientation which allows the manipulator to follow a given path as fast as possible and with constant speed is considered the optimal orientation. In this paper we show how to solve this problem for every time step. The solution is computationally fast and can be implemented in real time. Numerical examples are presented to verify the efficiency of the approach.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"37 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128239736","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
Blocking online advertising - A state of the art 屏蔽在线广告——一种最新技术
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939739
Ashutosh Kumar Singh, V. Potdar
{"title":"Blocking online advertising - A state of the art","authors":"Ashutosh Kumar Singh, V. Potdar","doi":"10.1109/ICIT.2009.4939739","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939739","url":null,"abstract":"Online advertising has emerged as one of the major business models on the Internet. Publishers rely on the online revenue generated from advertising to offer many free services. However, it has become evident that online advertisements are now becoming quite intrusive and also consume a lot of valuable bandwidth to download zero-caching ads and flash or video ads. As a result many users are now using ad-blocking software to make their Internet surfing more enjoyable. The main contribution of this paper is as follows - it attempts to identify the main reasons why internet users want to block online ads; it also critically evaluates several existing ad-blocking techniques and conducts an experiment to measure the amount of bandwidth used by online advertisements relative to the actual content. The paper concludes by outlining future research directions.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"50 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127207830","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: 34
A new methodology for aircraft HVDC power systems design 飞机高压直流电源系统设计的新方法
2009 IEEE International Conference on Industrial Technology Pub Date : 2009-02-10 DOI: 10.1109/ICIT.2009.4939513
D. Hernandez-Torres, M. Sautreuil, N. Retière, Delphine Riu, Olivier Sename
{"title":"A new methodology for aircraft HVDC power systems design","authors":"D. Hernandez-Torres, M. Sautreuil, N. Retière, Delphine Riu, Olivier Sename","doi":"10.1109/ICIT.2009.4939513","DOIUrl":"https://doi.org/10.1109/ICIT.2009.4939513","url":null,"abstract":"A new methodology for aircraft HVDC power systems design is first proposed. The first goal is to design the network subsystems in order to obtain optimal devices from a weight point of view. The contribution of optimal linear multivariable control methods is shown to be major for this first design objective and H∞ synthesis is applied in this paper. The second design objective is that the devices exhibit an adequate dynamical behavior when integrated into the DC network. But during design phases, the aircraft subsystems providers generally do not know the parameters of the DC network. To guarantee an easy integration of the subsystems, the device design should be robust to DC network uncertainties. Robust performance analysis method is applied in this paper and is integrated in the proposed methodology.","PeriodicalId":405687,"journal":{"name":"2009 IEEE International Conference on Industrial Technology","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2009-02-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132088216","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
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