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2017 4th International Conference on Signal Processing, Computing and Control (ISPCC)最新文献

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Improved approach of co-operative gray hole attack prevention monitored by meta heuristic on MANET 基于多网元启发式监控的协同灰洞攻击防御改进方法
Geetanjali, Jyoti Gupta
Mobile ad-hoc network (MANET) contains various wireless movable nodes which can communicate with each other and they don't require any centralized administrator or network infrastructure and also can communicate with full capacity because it is composed of mobile nodes. They transmit data to each other with the help of intermediate nodes by establishing a path. But sometime malicious node can easily enter in network due to the mobility of nodes. That malicious node can harm the network by dropping the data packets. These type of attack is called gray hole attack. For detection and prevention from this type of attack a mechanism is proposed in this paper. By using network simulator, the simulation will be carried out for reporting the difficulties of prevention and detection of multiple gray hole attack in the Mobile ad-hoc network (MANET). Particle Swarm Optimization is used in this paper. Because of ad-hoc nature it observers the changing values of the node, if the value is infinite then node has been attacked and it prevents other nodes from sending data to that node. In this paper, we present possible solutions to prevent the network. Firstly, find more than one route to transmit packets to destination. Second, we provide minimum time delay to deliver the packet. The simulation shows the higher throughput, less time delay and less packet drop.
移动自组织网络(MANET)包含各种无线移动节点,它们之间不需要任何集中的管理员或网络基础设施,而且由于是由移动节点组成的,因此可以实现全容量通信。它们通过建立路径,在中间节点的帮助下相互传输数据。但有时由于节点的移动性,恶意节点很容易进入网络。该恶意节点可以通过丢弃数据包来破坏网络。这种类型的攻击被称为灰洞攻击。为了检测和预防这种类型的攻击,本文提出了一种机制。利用网络模拟器,对移动自组网(MANET)中多重灰洞攻击的预防和检测难点进行仿真研究。本文采用了粒子群优化算法。由于ad-hoc的性质,它观察节点的变化值,如果值是无限的,则节点已被攻击,并阻止其他节点向该节点发送数据。在本文中,我们提出了可能的解决方案,以防止网络。首先,找到多条路由将数据包发送到目的地。其次,我们提供最小的时间延迟来传递数据包。仿真结果表明,该方法具有较高的吞吐量、较小的时延和较少的丢包。
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引用次数: 3
Role of management & virtual space for the rehabilitation of children affected with cerebral palsy: A review 管理与虚拟空间在脑瘫患儿康复中的作用综述
A. Deep, R. Jaswal
Cerebral palsy is defined as a neuromotor disorder which limits the motor activity and is attributed by non-progressive disturbance in the brain during pre or post natal time. The motor disabilities of CP are usually accompanied by cognitive impairment, abnormalities in behaviour, difficulty in communication, impaired sensory perception, and seizure disorders. Although CP is a non-progressive and non-curable disorder then also it must be managed so as it does not grt worsen with time. The key issue of cerebral palsy is its treatment and management. There are various aids available for the same. In the recent years, there is emergence in the new technologies for the treatment of the CP. One of the such recent technology is virtual reality rehabilitation therapy. Virtual reality is an enviroment simulated by computer with the help of specific hardware and software. VR is emerging as a promising technology for various field, specially for the field of education and medical. VR therapy has many advantages over the conventional therapies, and now a days this became a more appropriate option for the treatment. This article dispense a review of the nature, type, treatment and management of the cerebral palsy.
脑瘫被定义为一种限制运动活动的神经运动障碍,是由产前或产后大脑非进行性障碍引起的。CP的运动障碍通常伴有认知障碍、行为异常、沟通困难、感觉知觉受损和癫痫发作障碍。虽然CP是一种非进行性和不可治愈的疾病,但它也必须得到控制,以免随着时间的推移而恶化。脑瘫的关键问题是其治疗和管理。有各种各样的辅助工具可供使用。近年来,治疗CP的新技术不断涌现,虚拟现实康复治疗就是其中之一。虚拟现实是借助特定的硬件和软件,由计算机模拟的一种环境。虚拟现实技术正在成为各个领域,特别是教育和医疗领域的一项有前景的技术。与传统疗法相比,虚拟现实疗法有很多优点,现在这成为了更合适的治疗选择。本文就脑瘫的性质、类型、治疗和管理作一综述。
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引用次数: 7
Combinatorial problem optimization using TLBO 基于TLBO的组合问题优化
Sahil Saharan, J. Lather, R. Radhakrishnan
Travelling Salesman Problem(TSP) is an NP hard problem, which has been addressed via several heuristic algorithms like genetic algorithms (GA) etc. The paper presents TSP solution using Teaching Learning Based optimization(TLBO) which includes many similarities like the other nature-inspired algorithms. In addition, the strategy adds an auxiliary operator to regulate the sequence of array elements in mutation process with partial-mapped crossover used over the selected candidates of the population. Experimental study shows that introduced strategy can provide better convergence. The prominent feature of the strategy is in its stability and superior ways to handle computational complexity while dealing with TSP optimization as compared to GA.
旅行商问题(TSP)是一个NP困难问题,目前已通过遗传算法(GA)等启发式算法进行求解。本文提出了一种基于教学学习的优化算法(TLBO),它与其他自然启发算法有许多相似之处。此外,该策略还增加了一个辅助算子,通过对选定的候选群体进行部分映射交叉,来调节突变过程中数组元素的序列。实验研究表明,该策略具有较好的收敛性。与遗传算法相比,该策略的突出特点是在处理TSP优化时具有稳定性和处理计算复杂性的优越方式。
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引用次数: 0
Implementation of energy efficient FIR Gaussian filter on FPGA 高能效FIR高斯滤波器的FPGA实现
Vatsala Anand, A. Kaur
Finite Impulse Response (FIR) is a type of digital filter that has no feedback and its impulse response is. In the following paper, power analysis has been done by applying energy efficient techniques to make FIR more energy and power efficient device. Input Output (IO) standard scaling technique has been used in which different 8 IO standards of High Speed Transceiver Logic (HSTL) and High Speed Transceiver Logic Digital Controlled Impedance (HSTL DCI) family has been analyzed. Static and dynamic power dissipation has been calculated using X Power Analyzer. It has been extruded from the analysis that it is always better to work on HSTL_I IO standard in case of HSTL logic family and HSTL_DCI IO standard of HSTL DCI family in comparison to the other IO standards of the family since these are the least power consuming IO standards. In this way by selecting the most energy and power efficient IO standards Green FIR Filter can be made, in order to meet ever increasing energy and power crises as faced by world around.
有限脉冲响应(FIR)是一种无反馈的数字滤波器,其脉冲响应为。在接下来的论文中,通过应用节能技术进行功率分析,使FIR更节能,更节能。采用输入输出(IO)标准标度技术,分析了高速收发逻辑(HSTL)和高速收发逻辑数字控制阻抗(HSTL DCI)系列不同的8个IO标准。用X功率分析仪计算了静态和动态功耗。从分析中可以看出,与其他IO标准相比,HSTL逻辑家族的HSTL_I IO标准和HSTL DCI家族的HSTL_DCI IO标准总是更好的,因为这些是功耗最小的IO标准。通过这种方式,通过选择最节能的IO标准绿色FIR滤波器可以,以满足日益增长的能源和电力危机所面临的世界各地。
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引用次数: 7
THD analysis of cascaded H-bridge multi-level inverter 级联h桥多电平逆变器的THD分析
Gurcharan Singh, V. Garg
The traditional inverters have the drawbacks of Harmonics as well as Total Harmonic Distortion (THD). The analysis of THD and harmonics are studied in this paper by using MATLAB simulation. The cascaded H-bridge multi-level inverter configuration is used. The used configurations contain less number of switches and produce lesser harmonics in the output voltage. The harmonics and THD at the output of cascaded H-bridge inverter of different levels i.e., three-level, five-level, seven-level, nine-level and eleven-level are studied and compared. The cascaded H-bridge multi-level inverter topology quashes the THD and harmonics.
传统逆变器存在谐波和总谐波失真(THD)的缺点。本文采用MATLAB仿真方法研究了三次谐波和谐波的分析。采用级联h桥多级逆变器配置。所使用的配置包含较少数量的开关,并且在输出电压中产生较少的谐波。对级联h桥逆变器不同电平(3电平、5电平、7电平、9电平和11电平)输出的谐波和THD进行了研究和比较。级联的h桥多电平逆变器拓扑抑制了THD和谐波。
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引用次数: 17
Improved APIT localization algorithm in wireless sensor networks 无线传感器网络中改进的APIT定位算法
Shubhankar Jain, Akanksha Singh, Amanpreet Kaur, Shikha Jain
Localization is an active area of research in the field of wireless sensor networks. The best solution is provided with the help of range based localization. However, the setup cost is very high for such a system. Range free localization provides an inbudget solution but at the same time, it compromises with the accuracy and increases the localization error. This paper intends to present a cost effective yet more accurate localization solution scheme. This scheme is a range free localization with a blend of APIT, RSSI and PSO algorithm. The algorithm selects and weights the RSSI measurements of the neighboring nodes from the beacon node during beacon exchange to measure the distance based upon the strength. Further, we use PSO along with a cost function to reduce the cost of the co-ordinates by continuous iterations using position and velocity vectors of the neighboring nodes by finding the co-ordinates with the global and local least cost. Finally, we use APIT to calculate the co-ordinates of the unknown or the desired node with the help of the beacon nodes and the neighboring nodes as calculated using PSO. Since the localization is range free, hardware setup cost is minimum and the simulation results shows that the location error is dropped sharply as compared to APIT and combination of APIT with RSSI. As a result, it leads to better accuracy with low cost.
定位是无线传感器网络研究的一个活跃领域。基于距离的定位提供了最佳的解决方案。然而,这种系统的安装成本非常高。无距离定位提供了一种不超出预算的解决方案,但同时也损害了定位精度,增加了定位误差。本文旨在提出一种成本有效且更精确的定位解决方案。该方案是一种融合了APIT、RSSI和PSO算法的无距离定位算法。该算法选取信标节点在信标交换过程中相邻节点的RSSI测量值并对其进行加权,根据强度测量距离。此外,我们使用粒子群算法和代价函数,通过寻找全局和局部代价最小的坐标,通过使用相邻节点的位置和速度向量的连续迭代来减少坐标的代价。最后,利用PSO计算得到的信标节点和相邻节点,利用APIT计算未知节点或期望节点的坐标。由于定位不受距离限制,硬件设置成本最小,仿真结果表明,与APIT和APIT与RSSI的结合相比,定位误差大大降低。因此,它可以以较低的成本获得更高的精度。
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引用次数: 8
Pairwise sequence alignment method using flower pollination algorithm 基于花授粉算法的成对序列比对方法
Yadvir Kaur, N. Sohi
Biomolecular sequence alignment is an important research area in bioinformatics. Based on Flower Pollination Algorithm (FPA), we have proposed a new sequence alignment algorithm, named Pairwise Sequence Alignment with Flower Pollination Algorithm (PSAFPA). PSAFPA helps in finding the optimal or near-optimal solution to sequence alignment problem. PSAFPA first finds the current best solution with the help of FPA and then divides this solution into various segments of non-matching regions to find the better results. These segments are rearranged using FPA and finally the best identity value of each segment is added into the current best solution to get the final alignment identity value. Such segmentation helped to get better results. We have also done comparison of PSAFPA with the well-known methods using various DNA sequence pairs, which resulted in to better performance of PSAFPA for a majority of sequence pairs.
生物分子序列比对是生物信息学的一个重要研究领域。在花授粉算法(FPA)的基础上,提出了一种新的序列比对算法——PSAFPA (PSAFPA)。PSAFPA有助于找到序列比对问题的最优或接近最优解。PSAFPA首先借助FPA找到当前最优解,然后将该解划分为各个不匹配区域的片段,以寻找更好的结果。使用FPA对这些段进行重新排列,最后将每个段的最佳标识值添加到当前最优解中,得到最终的对齐标识值。这样的细分有助于获得更好的结果。我们还将PSAFPA与使用各种DNA序列对的已知方法进行了比较,结果表明PSAFPA对大多数序列对具有更好的性能。
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引用次数: 0
Stability analysis of feedback linearized magnetic levitation system using sum-of-squares method 反馈线性化磁悬浮系统的平方和稳定性分析
Bhawna Tandon, Sukhdeep Kaur, Ashima Kalra
This study proposes the stability analysis of Magnetic Levitation System having a nonlinear controller, designed with feedback linearization based on the back-stepping method, using Sum of Squares (SOS) technique. The selection of Lyapunov function for nonlinear polynomial systems can be formulated as a convex optimization problem with the advancement of sum of squares method in the past few years. For this, the nonlinear systems with non-polynomial form are required to be recast into polynomial form first. This recasting results in increasing the order of the system.
本文利用平方和(SOS)技术,对具有非线性控制器的磁悬浮系统进行稳定性分析,该控制器采用基于反推法的反馈线性化设计。近年来随着平方和方法的发展,非线性多项式系统的Lyapunov函数的选择可以归结为一个凸优化问题。对于非多项式形式的非线性系统,首先需要将其转化为多项式形式。这种重铸的结果是增加了系统的顺序。
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引用次数: 3
Effect of multiple membranes on capacitive micromachined ultrasonic transducers 多膜对电容式微机械超声换能器的影响
Rashmi Sharma, R. Agarwal, Ashwani Kumar Dubey, A. Arora
A 3D model of Capacitive Micromachined Ultrasonic Transducer (CMUT) have been created in COMSOL with two membranes one overlaid on the other. The impact of multiple membranes have been shown on the various parameters like resonant frequency, deflection with applied DC voltage, deflection with applied AC voltage and deflection along frequency. The performance of the device, its sensitivity and the capacity to generate the ultrasonic waves all are associated with the amount of deflection of the membrane. This has been found that the resonant frequency increases with the multiple membranes and the deflection with applied DC and AC voltage decreases as compared to the single membrane. The results provide the researcher the complete impact of the transducer with the multiple membranes in comparison with the single membrane prior to fabrication.
利用COMSOL软件建立了电容式微机械超声换能器(CMUT)的三维模型。多层膜对谐振频率、外加直流电压偏转、外加交流电压偏转和沿频率偏转等参数的影响。该装置的性能,其灵敏度和产生超声波的能力都与膜的偏转量有关。研究发现,与单层膜相比,多层膜的谐振频率增加,施加直流和交流电压时的偏转减小。结果为研究人员提供了与制造前的单膜相比,多膜换能器的完整影响。
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引用次数: 0
Proposed IoT framework using third party with enhanced security 建议使用安全性增强的第三方物联网框架
Effy Raja Naru, H. Saini, Geetanjali Rathee
Internet of Things (IoT) is the future of next era of the Internet which connects various physical objects by communicating with each other without the aid of human interactions. Applications of IoT become important in day to day lifestyle such as healthcare, smart grid, smart home, smart parking. Various IoT sensors such as temperature sensors, fault sensors track monitoring sensors are used to make an intelligent railway system which monitoring the railway stations. IoT application is useful to human yet if the IoT system shield the client data from a hacker, attacks, and vulnerabilities. Security plays an important role in network to prevent the unauthorized access, misuses of data, monitoring and data, modification etc. In conventional network security, intruder may destroy modification, monitor the information and allow the unauthorized person to access the system. Similarly, IoT is endured from various security attacks. Although we have numerous cryptographic algorithms, however these are not suitable for constrained devices because of their large key size like RSA. Our proposed security IoT architecture generates a secret key and its administration by the notarization mechanism for securing the data.
物联网(Internet of Things, IoT)是下一个互联网时代的未来,它可以在没有人类互动的情况下,通过相互通信将各种物理对象连接起来。物联网的应用在医疗保健、智能电网、智能家居、智能停车等日常生活方式中变得越来越重要。各种物联网传感器,如温度传感器,故障传感器,轨道监控传感器,用于制造智能铁路系统,监控火车站。物联网应用对人类是有用的,但如果物联网系统保护客户端数据免受黑客,攻击和漏洞。网络安全在防止未经授权的访问、数据的滥用、监控和修改等方面起着重要的作用。在传统的网络安全中,入侵者可以破坏修改、监视信息和允许未经授权的人访问系统。同样,物联网也承受着各种安全攻击。虽然我们有许多加密算法,但是这些算法都不适合像RSA这样的受约束的设备,因为它们的密钥大小很大。我们提出的安全物联网架构通过公证机制生成密钥并对其进行管理,以保护数据。
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引用次数: 3
期刊
2017 4th International Conference on Signal Processing, Computing and Control (ISPCC)
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