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2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)最新文献

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Performace Oriented Edge Computing of Geospatial Information with 3D Scenery 面向性能的三维景物地理空间信息边缘计算
Sheng'en Liu, Xiangning Chen, Bin Qi, Lvwei Zherr
The connotation of cloud computing is the integration of data in micro or small devices to conduct high-performance processing. However, with the proliferation of Internet Plus and Internet of Things, cloud computing is in the dilemma of dealing with individual and customized needs with colossal quantity. Since variation exists in hardware performance facing different needs. GIS, is a typical complex multi-layered graphic application with various requirements of hardware performances and its multi-scale 3D graphical processing is a typical challenge for computing capacity. The study of Performance-Oriented Edge Computing is our main work on selection of computing resources at the edge when encountering large-scale computing like 3D scenery through service and distribution of Geospatial Information to better coordination of computing resources at the edge.
云计算的内涵是将数据集成到微型或小型设备中进行高性能处理。然而,随着“互联网+”和“物联网”的蓬勃发展,云计算面临着处理海量个性化和定制化需求的困境。由于面对不同需求的硬件性能存在差异。GIS是典型的复杂多层图形应用,对硬件性能有各种要求,其多尺度三维图形处理是对计算能力的典型挑战。面向性能的边缘计算的研究主要是通过地理空间信息的服务和分布,在遇到3D场景等大规模计算时,选择边缘计算资源,更好地协调边缘计算资源。
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引用次数: 2
An Undeniable Signature Scheme based on Quasi-Dyadic Codes 基于准二进码的不可否认签名方案
Lei Hua, Mu Han, Shidian Ma, Xiaolin Feng
Undeniable signature is a kind of signature primitive where the verification step is an interaction between the verifier and the signer. Code-based cryptography is an alternative of post quantum cryptography, which permits fast encryption operation. In this paper, we introduce a quasi-dyadic code based undeniable signature. The verification protocol for our scheme is a 5-pass zero-knowledge protocol derived from our previous identification protocol. We also analyze the security of completeness, soundnes, zero-knowledge, invisibility, unforgeability and nontransferability of the scheme. And the performance of our scheme shows the signature lengths for different security level, and that the communication costs in the verification step is less than the costs in the compared scheme.
不可否认签名是一种签名原语,其验证步骤是验证者和签名者之间的交互。基于代码的加密是后量子加密的一种替代方案,它允许快速的加密操作。本文提出了一种基于准二进码的不可否认签名。我们方案的验证协议是一个从我们之前的识别协议派生出来的5道零知识协议。并分析了该方案的完备性、健全性、零知识性、不可见性、不可伪造性和不可转移性的安全性。该方案的性能显示了不同安全级别下的签名长度,验证步骤中的通信开销小于比较方案的开销。
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引用次数: 2
Research and Design of Pipeline Register Structure Based on Coarse-grained Reconfigurable Array 基于粗粒度可重构阵列的管道寄存器结构研究与设计
Yiran Du, Wei Li, Z. Dai, Longmei Nan
It is difficult to implement efficient and flexible algorithm mapping because the structure of the pipeline register based on the coarse-grained reconfigurable array is fixed. This paper analyzes the algorithm data flow diagram with a loop structure, and proposes a configurable pipeline register structure. By designing an output configuration selection circuit, a smaller hardware resource is consumed for a greater flexibility. Experimental results show that the configurable coarse-grained reconfigurable array pipeline register structure proposed in this paper can achieve the algorithm mapping performance no less than the fixed pipeline register in the three pipeline modes. Even with a greater difference between the critical path delay of each PE, the proposed structure will performance better.
由于基于粗粒度可重构数组的流水线寄存器结构固定,难以实现高效灵活的算法映射。分析了采用循环结构的算法数据流程图,提出了一种可配置的流水线寄存器结构。通过设计输出配置选择电路,消耗更小的硬件资源,获得更大的灵活性。实验结果表明,本文提出的可配置粗粒度可重构阵列管道寄存器结构在三种管道模式下均能达到不低于固定管道寄存器的算法映射性能。即使每个PE的关键路径延迟差异较大,所提出的结构也会有更好的性能。
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引用次数: 0
An Error Correction Method for Code Cable Displacement Sensor 码缆位移传感器误差校正方法
Chen Zhaojun, Tan Jianping, Shi Lixiang, Xu Shaohua, Huang Tianran
To improve the precision of a multi-sensor composite piecewise displacement monitoring scheme whose background is the long stroke, high speed and heavy load operation condition of super deep mine hoist, analyzing the error reason of code cable displacement sensor, and aiming at the accumulated error and sawtooth error caused by vertical placement of code cable, an error correction method for code cable displacement sensor is proposed. The code cable displacement sensor is calibrated in sections by drawstring sensor respectively, and the error is corrected by looking-up table method. The results show that this method can effectively eliminate the accumulated error and sawtooth error of the code cable displacement sensor. When it is corrected., the error is kept within 15mm, which improves the measurement accuracy and system reliability of the coded cable displacement sensor, and further improves the container's accurate parking and safe operation.
为了提高以超深矿井提升机大行程、高速、重载工况为背景的多传感器复合分段位移监测方案的精度,分析了码缆位移传感器的误差原因,针对码缆垂直放置造成的累积误差和锯齿误差,提出了一种码缆位移传感器的误差修正方法。采用抽绳传感器对码缆位移传感器进行分段标定,并采用查表法对误差进行校正。结果表明,该方法能有效地消除码索位移传感器的累积误差和锯齿误差。当它被纠正时。,误差控制在15mm以内,提高了编码电缆位移传感器的测量精度和系统可靠性,进一步提高了集装箱的准确停泊和安全运行。
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引用次数: 1
Study on the Optimal Scheduling of a Hybrid Wind-Solar-Pumped Storage Power Generation System 风能-太阳能-抽水蓄能混合发电系统最优调度研究
You Lv, Xiangyang Yu, Tonggengri Yue
In order to stabilize the randomness, fluctuation, anti-peaking and intermittency of wind power and Photovoltaic power, a hybrid wind-solar-pumped storage power generation system is built, and it is added with the prediction of sudden output changes by wind and solar. The maximized economic benefit of the hybrid system is as the objective function. According to the characteristics of premature convergence and slow convergence of particle swarm optimization (PSO), an immune PSO (immune Particle Swarm Optimization) algorithm is proposed, which dynamically adjusts the learning factors and inertia weight simultaneously. The algorithm performs asymmetric linear dynamic adjustment of the learning factors and inertial weight to enhance the global search ability in the early stage and the local search ability in the later stage, so that the global optimal solution can be obtained quickly. Finally, the validity of the model and the feasibility of the algorithm are verified by numerical examples.
为了稳定风电和光伏发电的随机性、波动性、抗调峰性和间歇性,构建了一种风能-太阳能混合抽水蓄能发电系统,并增加了对风能和太阳能突然输出变化的预测。以混合动力系统的经济效益最大化为目标函数。针对粒子群算法的早收敛和慢收敛的特点,提出了一种免疫粒子群算法,该算法同时动态调整学习因子和惯性权值。该算法对学习因子和惯性权值进行非对称线性动态调整,增强前期的全局搜索能力和后期的局部搜索能力,从而快速获得全局最优解。最后,通过数值算例验证了模型的有效性和算法的可行性。
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引用次数: 2
A New Modeling Method for Production Loss during the Warming in Serial Bernoulli Production Systems* 连续伯努利生产系统变暖过程中生产损失的一种新的建模方法*
Y. Hou, Yuan Li, Jie Zhang, Shoushan Jiang
Production loss always exists during the warming in the practical manufacturing environments. The modeling of production loss helps design and manage the production system effectively. In this paper, a new modeling method was proposed for the modeling of production loss during the warming in serial Bernoulli production lines. This research is established based on the transient analysis of production systems, based on which the production loss is represented by the difference between the expected production performance and the actual. The feasibility of the proposed method is demonstrated through the numerical cases. Comparison with the simulation results indicate that this method is accurate. According to the analysis presented in this paper, the impact of production loss is significant and should be considered when designing short-term production systems.
在实际生产环境中,生产损失在变暖过程中始终存在。生产损失建模有助于有效地设计和管理生产系统。本文提出了一种新的伯努利生产线变暖过程中生产损失的建模方法。本研究建立在生产系统瞬态分析的基础上,在此基础上,生产损失用预期生产性能与实际生产性能的差值来表示。通过数值算例验证了该方法的可行性。仿真结果表明,该方法是准确的。根据本文的分析,生产损失的影响是显著的,在设计短期生产系统时应予以考虑。
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引用次数: 1
Modeling and Simulation of Economic Evaluation of Regional Railway Projects in Western China Based on System Dynamics 基于系统动力学的西部区域铁路项目经济评价建模与仿真
Mo Junwen, L. Xian
The ongoing research establishes the economic evaluation model of the West China Regional Railway projects based on Vensim software, then the simulation analyses concerning the model are conducted. Being the infrastructure of national economy, railway has been playing a vital role in economy and social development. Therefore, the comprehensive economic evaluation comes as a necessity due to the urgent need to guarantee the accuracy and scientificity in decision-making process of railway project investing. The system dynamics as a tool is associated with local railway projects to set up the model, and one of the projects is taken as an example to perform the simulation and analysis via Vinsem platform. The paper mainly focuses on the financial evaluation analysis of the project, through the actual simulation of the project based on the model, a comprehensive and dynamic understanding of the profitability, the debt-paying ability and the economic reasonability of the project can be obtained, additionally, the sensibility of the system is detected to seek the key factors that affecting the feasibility of the model. The result tells that: The results show that: The model is feasible and effective, the most sensitive factor is freight rate and volume.
本研究基于Vensim软件建立了华西铁路项目经济评价模型,并对模型进行了仿真分析。铁路作为国民经济的基础设施,在国民经济和社会发展中起着至关重要的作用。因此,为了保证铁路项目投资决策的准确性和科学性,综合经济评价势在必行。以系统动力学为工具,结合当地铁路项目建立模型,并以其中一个项目为例,通过Vinsem平台进行仿真分析。本文主要对项目进行财务评价分析,通过基于模型的项目实际仿真,全面、动态地了解项目的盈利能力、偿债能力和经济合理性,并检测系统的敏感性,寻求影响模型可行性的关键因素。结果表明:该模型是可行和有效的,最敏感的因素是运价和货运量。
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引用次数: 0
A Method for Avoiding Track Coalescence in Clutter Environment 一种避免杂波环境下航迹合并的方法
Yabo Xu, Ke Xu, Jianwei Wan, Zhengda Xiong
In the multi-target and clutter environment, the correlation between measurement and the corresponding target source will becomes complicated. When the track of motion of two targets are close to each other, their track will be cross-merged with the tracking distance gradually increasing. At that time, two tracks will cross over and the two targets will no longer be separated and be tracked into one target. We usually reduce the impact of such problems from two aspects[1] [2]. One is to increase the aspiration of the target measurement and its own track, and the other is to reduce the impact of other measurement and their track. Based on this, this paper uses a simple and effective method to increase the impact of the target measurement and itself track so as to solve cross-merging of tracks effectively. Simulation results show that this method can reduce the tracking error greatly and solve the track crossing problem effectively.
在多目标和杂波环境下,测量结果与相应目标源之间的相关性将变得复杂。当两个目标的运动轨迹相互靠近时,随着跟踪距离的逐渐增加,它们的运动轨迹会交叉合并。此时,两条轨迹会交叉,两个目标不再分开,被跟踪成一个目标。我们通常从两个方面来减少这类问题的影响[1][2]。一是增加目标测量及其自身轨迹的期望,二是减少其他测量及其轨迹的影响。基于此,本文采用一种简单有效的方法,增加目标测量与自身航迹的影响,从而有效解决航迹交叉合并问题。仿真结果表明,该方法可以大大减小跟踪误差,有效地解决了航迹交叉问题。
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引用次数: 0
Design and Implementation of High Dynamic Satellite Signal Simulator 高动态卫星信号模拟器的设计与实现
Hou Yintao, Xiong Huanyu, Yu Changren, L. Mingxing
The principle and key technique of high dynamic Satellite Signal Simulator are introduced in this paper. Software and hardware implementation schemes are also designed. The software part is implemented by using $mathbf{VC}++pmb{6.0}$ soft platforms, and the hardware signal processing circuit board is realized by FPGA. The communication of software and hardware is realized via the serial ports. The simulator has been applied in the R&D process of the satellite navigation system successfully, and it possesses the fundamental function of a simulator. Besides, the simulator can simulate the Doppler Effect Shift in the frequency of Satellite Signal. The simulator can provide a vivid high dynamic signal environment for the validations of orientation performance, signal track and capture performance of a receiver.
介绍了高动态卫星信号模拟器的工作原理和关键技术。设计了软硬件实现方案。软件部分采用$mathbf{VC}++pmb{6.0}$软件平台实现,硬件信号处理电路板采用FPGA实现。通过串口实现软件和硬件的通信。该模拟器已成功地应用于卫星导航系统的研发过程中,具有模拟器的基本功能。此外,该模拟器还可以模拟卫星信号的多普勒效应频移。该模拟器可以为接收机的定向性能、信号跟踪性能和捕获性能的验证提供一个逼真的高动态信号环境。
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引用次数: 0
Moving Horizon Estimation and Attitude Optimization Algorithm for MEMS Gyroscope Array MEMS陀螺仪阵列运动水平估计及姿态优化算法
Zeng Lijun, Min Fang
Silicon micro gyroscopes have been widely used in medium-low precision strap-down inertial navigation system (SINS). The output precision of silicon micro gyroscopes array can be improved by data fusion. Based on Kalman filtering for gyroscopes output, a Moving Horizon Estimation (MHE) algorithm was studied which made use of several former measurements. The optimized output estimation can be acquired by MHE. Based on single-sample rotation vector algorithm for SINS, an optimized three-sample attitude algorithm was designed. Experiments show that the noise variation after MHE with prediction horizon equaling 3 can be reduced to 2.1273s−2. Under conical motion condition, the optimized three-sample attitude algorithm can reduce the gyroscope drift effectively.
硅微陀螺仪在中低精度捷联惯导系统中有着广泛的应用。通过数据融合可以提高硅微陀螺仪阵列的输出精度。基于卡尔曼滤波对陀螺仪输出进行滤波,研究了一种利用多个测量值进行运动地平估计的算法。优化后的输出估计可以通过MHE得到。基于捷联惯导系统的单样本旋转矢量算法,设计了一种优化的三样本姿态算法。实验表明,当预测视界为3时,MHE后的噪声变化可降至2.1273s−2。在圆锥运动条件下,优化后的三样本姿态算法可以有效地减小陀螺仪漂移。
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引用次数: 2
期刊
2018 IEEE 3rd Advanced Information Technology, Electronic and Automation Control Conference (IAEAC)
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