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Zigbee Based Monitoring System in IndustrialApplication 基于Zigbee的工业监控系统应用
S. Panchal
Wireless Sensor Networks (WSNs) offers several advantages on monitoring and controlling applications over other traditional technologies in which we interact with the environment; i.e., through sensing the physical properties of the natural surroundings. By using wireless device we can overcome hazards occur due to wires and analog devices such as transducers. The main use of this module helps in an industry during the worst cases as the analog devices may be damaged during the fire accidents, etc. But with the wireless transmission we can get accurate data also we can monitor the parameter in industry without human interaction. It leads to the cheap wireless technology so it can be used for the low rate data transfer. This system forms star topology and developed to detect emergencies like gas leaks.
与我们与环境交互的其他传统技术相比,无线传感器网络(WSNs)在监测和控制应用方面提供了几个优势;也就是说,通过感知自然环境的物理特性。通过使用无线设备,我们可以克服由电线和传感器等模拟设备引起的危险。该模块的主要用途是在最坏的情况下帮助工业,因为模拟设备可能在火灾事故中损坏等。但是通过无线传输,我们可以获得准确的数据,也可以在没有人工干预的情况下对工业参数进行监测。它带来了廉价的无线技术,可以用于低速率的数据传输。该系统形成星形拓扑结构,用于检测诸如气体泄漏之类的紧急情况。
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引用次数: 0
Third Bit Complement (TBC) Mechanism toReduce Bit Stuffing Jitter in Controller AreaNetwork (CAN) 控制域网络(CAN)中减小位填充抖动的第三位补码(TBC)机制
M. M. Hassan
A In spite of wide usage of controller area network (CAN) in the embedded networked control system, nondeterministic response time have restricted the wider use of CAN in safety-critical real time systems, since the CAN uses Non Return to Zero (NRZ) coding and includes a bit-stuffing mechanism, which causes the CAN frame length to become a complex function of the data contents. To minimize CAN response-time jitter and make the transmission time fixed value according to the number of bytes in the data field, many techniques have been suggested as XOR masking , Software Bit Stuffing (SBS), inversion bit stuffing mechanism (IBSM) and Eight-to-Eleven Modulation (EEM), in this paper a novel alternative method known as Third Bit Complement (TCB) is used for “bit stuffing” to prevent hard-ware bit stuffing in the data field part completely, the new technique was compared with previous available techniques showing that six data bytes can be inserted in the data part compared with five bytes in SBS and EEM techniques.
尽管在嵌入式网络控制系统中广泛使用控制器局域网(CAN),但不确定性响应时间限制了CAN在安全关键实时系统中的广泛使用,因为CAN使用不归零(NRZ)编码并包含位填充机制,这导致CAN帧长度成为数据内容的复杂函数。为了最大限度地减少CAN响应时间抖动,使传输时间根据数据域中的字节数固定,提出了异或屏蔽、软件位填充(SBS)、反转位填充机制(IBSM)和8 - 11调制(EEM)等技术,本文提出了一种新的替代方法,即第三位补(TCB)进行“位填充”,以完全防止数据域中的硬件位填充。将新技术与以前可用的技术进行了比较,结果表明,在数据部分可以插入6个数据字节,而SBS和EEM技术只能插入5个字节。
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引用次数: 5
A Study of FIFO Buffer Adoption Scheme forHigh Speed Data Links 高速数据链路FIFO缓冲区采用方案的研究
Satyendra Ch, ravanshi, Vishal Moyal
The FIFO buffer used in high speed data links plays an important role in data transfer and depending upon the application the size of FIFO is variable in nature which known as buffer adoption. There are different buffer adoption schemes for FIFO buffer, some of which are based on goodput, throughput, speed, network natures etc. This paper presents the study of those current various FIFO buffer adoption schemes which employs in current best effort data networks. Also the some proposed works are hereby studied and the conclusion have made by this study. This study work have done in three phase. Firstly the different types of FIFO architecture have studied and present the basic architecture of it. Second the problem identification has been done by literature review of different network architecture proposed. Finally the few best FIFO buffer adoption techniques are studied followed by literature review as extension of it. The RADA scheme is concluded the best buffer adoption scheme among all the papers studied during study.
高速数据链路中使用的FIFO缓冲器在数据传输中起着重要的作用,根据应用的不同,FIFO的大小在本质上是可变的,这被称为缓冲器的采用。FIFO缓冲器有不同的缓冲器采用方案,其中一些基于goodput,吞吐量,速度,网络性质等。本文介绍了目前各种先进先出缓冲器采用方案在目前的最佳努力数据网络的研究。并对本文提出的一些工作进行了研究,得出了结论。本研究工作分三个阶段完成。首先对不同类型的FIFO体系结构进行了研究,给出了FIFO的基本体系结构。其次,对提出的不同网络架构进行了文献综述,并对问题进行了识别。最后,研究了几个最佳的FIFO缓冲采用技术,并对其进行了文献综述。在所有研究的论文中,RADA方案被认为是最佳的缓冲采用方案。
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引用次数: 0
Wavelet Based Texture Analysis for MedicalImages 基于小波的医学图像纹理分析
A. Yadav, R. Roy, S. Ch., E. Kumar, Archek praveen, Vaishali
Texture analysis is quite important operation in medical image processing. Wavelet based texture analysis is developed which gives better way of extracting inherent object and properties in medical image. It gives a robust technique in disease diagnosis and future of biophysical disorder ness in a body. Image processing has an important influence on the medical decision making process and even on surgical actions. In this paper the importance of texture analysis of medical images with Wavelets are discussed and its application.
纹理分析是医学图像处理中非常重要的操作。提出了基于小波的纹理分析方法,为医学图像中固有目标和属性的提取提供了更好的方法。它为疾病诊断提供了一种强有力的技术,并为人体生物物理紊乱的诊断提供了前景。图像处理对医疗决策过程甚至手术操作都有重要影响。本文讨论了小波在医学图像纹理分析中的重要性及其应用。
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引用次数: 4
Integrated Power Converter for DistributedGeneration 分布式发电的集成电源变换器
D.Dastagiri, Cvj Varma
Distributed generation systems with the using of the renewable sources increasingly, application of the distributed generation (DG) in the distribution system acquired more attention. After the power system faults, distribution system which contains many DGs would usually cut off the DGs from the distribution system at the joint where the DGs connected into the system term less. However, considering the enlarge scale and the capability of the DGs, also with the improving ratio of the DG to all generator, cut off the DGs from the distribution system directly without analysis of the splitting point detailed after the faults occurs in the power system, which cannot improve the reliability of the distribution system and made the effect of the DG at a discount. Distributed generation systems also include local energy sources, storages, and loads. Almost always, these entities have their own power converters for grid interfacing and energy processing. Having individual converters has advantages like more flexible individual control and simpler design but does not encourage functionality merging. Reduction of semiconductors to arrive at a more compact integrated design is thus not possible. Addressing this concern, a number of integrated energy generation systems that use 25% lesser semiconductors are proposed. The systems can be single or three phase depending on the types of sources, storages, and loads assembled. They can operate in the grid-tied or stand-alone mode with no compromise in performances expected, when compared with other solutions using more switches.
随着可再生能源利用的日益增加,分布式发电在配电系统中的应用受到越来越多的关注。在电力系统发生故障后,多dg分布的配电系统通常会在dg接入时间较短的接头处将dg从配电系统中切断。但是,考虑到DG规模的扩大和容量的增大,以及DG占总发电机组比例的提高,在电力系统发生故障后,直接将DG从配电系统中切断,而不对其分岔点进行详细的分析,不仅不能提高配电系统的可靠性,而且使DG的作用打折扣。分布式发电系统还包括本地能源、存储和负载。这些实体几乎总是有自己的电源转换器,用于电网接口和能量处理。拥有独立的转换器具有更灵活的独立控制和更简单的设计等优点,但不鼓励功能合并。因此,减少半导体以达到更紧凑的集成设计是不可能的。为了解决这一问题,提出了一些集成能源发电系统,这些系统使用的半导体减少了25%。根据源、存储和负载的类型,系统可以是单相或三相的。与使用更多交换机的其他解决方案相比,它们可以在并网或独立模式下运行,而不会影响预期的性能。
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引用次数: 0
A Topology to Limit Fault Current in theDistribution System 一种限制配电系统故障电流的拓扑结构
P.Barathi, R.Pradeep
In this project new concept is proposed which is fault current limiting DVR. Fault is detected by sensing the load current and its rate of change. In order to protect the sensitive equipment fault current is limited such that life of the equipment and the quality of the supply is improved. Bidirectional thyristor switches are used on the output side of PCC to limit the fault current. Switches are activated under fault condition and de-activated under normal condition. This is modeled using MATLAB SIMULINK.
本课题提出了故障限流DVR的新概念。通过感应负载电流及其变化率来检测故障。为了保护敏感设备,限制故障电流,从而提高设备的使用寿命和供电质量。PCC的输出端采用双向晶闸管开关来限制故障电流。开关在故障状态下激活,在正常状态下关闭。利用MATLAB SIMULINK对其进行建模。
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引用次数: 0
A Review on Parkinson Disease ClassifierUsing Patient Voice Features 基于患者语音特征的帕金森病分类研究进展
Priyanka Holkar, P. Gatti, Sonali Meher, P. Sable
Parkinson’s disease (PD) known as chronic and progressive movement disorder, means that symptoms continues and becomes worst over time.PD affects on person’s moves, also affects how they speak and write. After Alzheimer’s disease, around whole world 6.3 million people live with Parkinson’s disease which makes it the second most common neurological disorder. The cause of disease is unknown, and also there is presently no cure and no treatment options such as medication and surgery to manage its syndromes. Approximately 90% of PD patients have suffered speech difficultiesi.e., dysphonia which is impaired speech production and dysarthria is referred as speech articulation difficulties. These mobility deficits are difficult to treat with drugs or neurosurgery. Parkinson disease people must visit clinician to track their progressions regularly. It will become simple process to anticipate harshness of disease with the help of voice recording of patients. This can be achieved by using Hoehn Yahr Score and Parkinson disease Rating Scale (PDRS) Score. Combination of machine learning algorithms are used for classification of voice features according to severities of disease.
帕金森病(PD)被称为慢性进行性运动障碍,意味着症状持续并随着时间的推移变得更糟。PD会影响人的动作,也会影响他们说话和写作的方式。继阿尔茨海默病之后,全世界有630万人患有帕金森病,这使其成为第二大最常见的神经系统疾病。该病的病因尚不清楚,目前也没有治愈方法,也没有药物和手术等治疗选择来控制其综合征。大约90%的PD患者有语言障碍。在美国,发音障碍是一种言语产生障碍和构音障碍,被称为言语发音困难。这些活动障碍很难用药物或神经外科手术来治疗。帕金森氏症患者必须定期拜访临床医生,跟踪病情进展。借助患者的语音记录,预测疾病的严重性将成为一个简单的过程。这可以通过使用Hoehn Yahr评分和帕金森病评定量表(PDRS)评分来实现。结合机器学习算法,根据疾病的严重程度对语音特征进行分类。
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引用次数: 1
Auto Testing of FCPV and ADC Joint AirLeak Detection Using PLC FCPV和ADC联合漏气检测的PLC自动测试
Mrunalini Bh, Arkar, K. Dad, Pooja Gali, N. Raut
Most vehicles involved in accidents now a days are the big vehicles like lorries, buses and trailers. Their braking system is quite different from the small cars. They have air tank for their braking system and hence the amount of air required is tremendous. Air braking system uses air as a way of transmitting pressure from the drivers control to the service brake. This compressed air has some water which cannot be compressed. The more water in the tank the less the compressed air volume is. Whenever the foot brake is applied, large amount of air is used. If the air pressure does not build up fast the pressure may drop to low if leak is present in the system which affect the efficiency of entire braking system of vehicles. A leak can be defined as an intended crack, hole or porosity in an joint which must be excluded from the system. A leak test procedure is usually a quality control step to assure device integrity and should preferably be a onetime non-destructive test, without impact on environment and operators. The three basic functions of leak testing are leakage detection and its location, measurement of leak rate.One of the test presently used in industry is soap solution bubble test. The pressurized unit to be tested is sprayed with a soap solution and the operator is able to see the bubbles formed by gas escaping from where the leak is, the more the bubbles the larger is the leakage .If the part is not simple and easily accessible it is difficult for operator to perform above mentioned test, also the test is time consuming, affecting the efficiency, accuracy and productivity of system. To overcome the disadvantages of the above mentioned system we are implementing pressure decay test using PLC which would determine air leakage between ADC(Air Dryer cartridge) and FCPV(Four Circuit Protection Valve) joint to improve the braking efficiency of vehicle system.
现在发生事故的大多数车辆都是大型车辆,如卡车、公共汽车和拖车。他们的制动系统与小型车大不相同。他们有空气罐为他们的制动系统,因此所需的空气量是巨大的。空气制动系统利用空气作为一种将压力从驾驶员控制传递到工作制动的方式。这种压缩空气含有一些不能压缩的水。水箱里的水越多,压缩空气的体积就越小。每当脚刹被应用,大量的空气被使用。如果空气压力没有迅速增加,如果系统中存在泄漏,压力可能会下降到低,从而影响车辆整个制动系统的效率。泄漏可以定义为接头中必须从系统中排除的预期裂纹、孔洞或孔隙。泄漏测试程序通常是确保设备完整性的质量控制步骤,最好是一次性无损测试,对环境和操作人员没有影响。泄漏检测的三个基本功能是泄漏检测及其定位、泄漏率的测量。目前工业上使用的一种测试方法是肥皂溶液气泡测试。待测加压装置喷上肥皂溶液,操作人员可以看到气体从泄漏处逸出形成的气泡,气泡越多,泄漏越大。如果该部件不简单易接近,则操作人员难以进行上述测试,而且测试耗时,影响系统的效率、准确性和生产率。为了克服上述系统的缺点,我们正在使用PLC进行压力衰减测试,以确定ADC(空气干燥器)和FCPV(四路保护阀)接头之间的空气泄漏情况,以提高车辆系统的制动效率。
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引用次数: 0
PLC Controlled Water DistributionSystem PLC控制配水系统
Pratiksha Hattikatti, Savita Karw, Poonam S. Rode, Mrunalini Bh, Arkar
Water is basic need of human being. Water treatment is one of the important process involved in the water distribution process. In PCMC area the water distribution infrastructure is widely spreaded effectively. Water management is a matter of high priority in India and those responsible for major operations of water distribution need to be educated in this endeavor. Automation provides optimized solution to all problems of distribution of water system. The entire system has features of SCADA (Supervisory Control and Data Acquisition) system to control and monitor the water supply and in case of power failures to maintain continuity of power supply. Now-a-days, Water distribution system faces some problems like water leakage & improper water supply. This leakage causes drastic reduction in pressure of water flowing through supply line. Due to this, consumer gets less amount of water. By, considering above scenario we are trying to find solution for the problem. Hence, we are working with Water Supply Department of Pimpri Chinchwad Municipal Corporation. The main aim of this project is to provide effective water supply to each consumer & to detect the leakage sites and malpractices. In this project we are working on the distributed network under the area of single water tank. Mainly we are focusing on the pressure transmitter which are located at different branches in distribution network to indicate pressure variation at different location. Thus, we are going to develop a system in which we can analyze the pressure from different branches of distribution network and compare it with fixed benchmark. In this way, we are able to control& monitor the whole system.
水是人类的基本需求。水处理是配水过程中的重要环节之一。PCMC地区的配水基础设施分布广泛,效果显著。在印度,水管理是一个高度优先的问题,负责水分配主要业务的人需要在这方面接受教育。自动化为供水系统的各种分配问题提供了优化的解决方案。整个系统具有SCADA (Supervisory Control and Data Acquisition)系统的特点,可以对供水进行控制和监控,在停电的情况下保持供电的连续性。目前,供水系统面临着漏水、供水不当等问题。这种泄漏导致流经供水管道的水的压力急剧降低。因此,消费者得到更少的水。综上所述,我们正试图找到解决问题的办法。因此,我们正在与平普里钦切瓦德市政公司的供水部门合作。该项目的主要目的是为每个用户提供有效的供水,并发现漏水地点和不当行为。在这个项目中,我们研究的是单水箱区域下的分布式网络。我们主要关注分布在配电网不同分支的压力变送器,以指示不同位置的压力变化。因此,我们将开发一个系统,可以分析配电网不同分支机构的压力,并与固定基准进行比较。通过这种方式,我们可以控制和监控整个系统。
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引用次数: 3
Opposition aided Cat Swarm OptimizationAlgorithm for Optimal Digital IIR High PassFilter Design 数字IIR高通滤波器优化设计的对抗辅助Cat群优化算法
K. Dhaliwal, J. S. Dhillon
1 ABSTRACT: This paper presents a solution methodology for the designing of optimal and stable digital infinite impulse response (IIR) high pass (HP) filter by employing the cat swarm optimization (CSO) technique with oppositional learning. Because of the presence of the denominator terms, the error surface of digital IIR filters is non linear and multimodal. Therefore, the traditional designing techniques usually got trapped in the local minim. CSO is a population based global optimization technique which has global as well as local search capabilities. Here, the multicriterion optimization is used as the design criterion that undertakes the minimization of magnitude approximation error and minimization of ripple magnitudes while satisfying the stability constraints that are imposed during the design process. For the intent of starting with an improved solution set, the opposition based learning strategy is included in CSO. The developed algorithm is used to design the digital IIR high pass (HP) filter and attempts to find the optimal filter coefficients which are approximately close to the desired filter response. The computational results shows that the proposed algorithm is capable of designing the stable and optimal digital IIR HP filter structure that is better to the designs presented by other algorithms.
摘要:本文提出了一种利用猫群优化(CSO)和对立学习技术设计最优稳定的数字无限脉冲响应(IIR)高通(HP)滤波器的求解方法。由于分母项的存在,数字IIR滤波器的误差面是非线性和多模态的。因此,传统的设计技术往往陷入局部最小的困境。CSO是一种基于种群的全局优化技术,具有全局和局部搜索能力。在此,采用多准则优化作为设计准则,在满足设计过程中施加的稳定性约束的同时,实现幅度近似误差和纹波幅度的最小化。为了从改进的解决方案集开始,CSO中包含了基于对立的学习策略。该算法用于设计数字IIR高通(HP)滤波器,并试图找到近似接近期望滤波器响应的最优滤波器系数。计算结果表明,该算法能够设计出稳定、最优的数字IIR高压滤波器结构,优于其他算法的设计。
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引用次数: 2
期刊
International Journal of Advanced Research in Electrical, Electronics and Instrumentation Energy
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