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2020 IEEE International Conference on Artificial Intelligence and Information Systems (ICAIIS)最新文献

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Energy Internet Evaluation Based on Fuzzy Comprehensive Evaluation Method 基于模糊综合评判法的能源互联网评价
Guo Li, Fang Xiang, Wu Shuang
Under the background of energy Internet, the application of a series of new technologies and new products has made the development of power grids more rapid. In the contemporary context, the power grid is gradually getting rid of the traditional focus on scale development and focusing on improving efficiency and efficiency. Therefore, it is necessary to establish an integrated evaluation system to evaluate the progress status of the power grid for the development status of the power grid. Based on the energy Internet background, this paper establishes a set of index systems suitable for the development status of the power grid and combines the entropy method with fuzzy comprehensive evaluation to establish an evaluation model. The example shows the validity of the model proposed in this paper.
在能源互联网背景下,一系列新技术、新产品的应用,使得电网的发展更加迅猛。在当代背景下,电网正逐渐摆脱传统的注重规模发展,注重提高效率和效益。因此,对于电网的发展状况,有必要建立一个综合的评价体系来评价电网的进度状况。本文基于能源互联网背景,建立了一套适合电网发展现状的指标体系,并将熵值法与模糊综合评价相结合,建立了评价模型。算例验证了该模型的有效性。
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引用次数: 0
Comparison of Nonlinear Autoregressive Neural Networks Without and With External Inputs for PV Output Power Prediction 无外部输入和有外部输入的非线性自回归神经网络用于光伏输出功率预测的比较
Rensheng Liu, Godwin Norense Osarumwense Asemota, Sarah Benimana, Aphrodis Nduwamungu, Samuel Bimenyimana, J. De Dieu Niyonteze
Accurate and precise prediction of power output plays a great significance in power system industry, as it provides the basic outlooks and views for making future decisions in power system planning and operation. This paper used monthly and annual dataset of output power and solar irradiance from a stand-alone solar system to compare nonlinear autoregressive neural network (NARNET) and nonlinear autoregressive with External (Exogenous) input neural network algorithms in predicting (short term and long term prediction) the output power from photovoltaic (PV) system. During the execution of prediction, The Levenberg-Marquardt method was adopted and used for training. Comparison results reveals that NARNET and NARX neural network are both suitable for performing PV output power prediction, but NARX was found to be more accurate. NARNET best prediction result was achieved with MSE (Mean Square Errors) equal to 1.6153 and coefficient R equals to 0.47643 while for annual NARNET prediction model, the MSE and R were found to be equals to 0.84891 and 0.82244. For NARX monthly prediction model, the MSE and R were equal to 0.99206 and 0.53094 while for the case of NARX annual prediction model, the MSE and R were 0.8008 and 0.85248 respectively. The lower the MSE indicates few errors and the more R is close to unity indicates the better correlation and great relation between actual and predicted values.
准确准确的输出功率预测在电力系统工业中具有重要意义,它为电力系统规划和运行的未来决策提供了基本的展望和观点。本文利用独立太阳能系统的月度和年度输出功率和太阳辐照度数据集,比较了非线性自回归神经网络(NARNET)和非线性自回归与外部(外生)输入神经网络算法在光伏(PV)系统输出功率预测(短期和长期预测)中的应用。在预测执行过程中,采用Levenberg-Marquardt方法进行训练。对比结果表明,NARNET和NARX神经网络均适用于光伏发电输出功率预测,但NARX神经网络更准确。当MSE(均方误差)为1.6153,R系数为0.47643时,NARNET预测模型的最佳预测结果为MSE为0.84891,R为0.82244。对于NARX月度预测模型,MSE和R分别为0.99206和0.53094;对于NARX年度预测模型,MSE和R分别为0.8008和0.85248。MSE越低,误差越小,R越接近1,表明预测值与实测值相关性越好,关联度越大。
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引用次数: 1
Adhesive Handwritten Digit Recognition Algorithm Based on Improved Convolutional Neural Network 基于改进卷积神经网络的手写体数字识别算法
Junyi Tang, Ping Han, Dong Liu
Traditional machine learning algorithms are susceptible to many factors in the recognition of handwritten adhesion numbers, such as different people's digital writing habits, different degrees of adhesion, and low image quality, which could lead to lower digital recognition accuracy. To solve these problems, an improved convolutional neural network algorithm for handwritten adhesion digital recognition is proposed in this paper. First, an improved convolutional neural network model is provided for the large number of adhesion in handwritten digital pictures. Multilevel feature extraction is performed on the experimental images using convolution kernels of different scales, and then, the feature frame filtering algorithm is optimized to improve the recognition accuracy of handwritten adhesion numbers while enhancing the robustness of the neural network to background noise. The experimental results show that the average recognition accuracy of the improved convolution model on the experimental data set is 94%. The proposed algorithm reduces the parameter size with ensuring high recognition accuracy, and improves the recognition efficiency of the system, which is better than most state-of-the-art algorithms.
传统的机器学习算法在识别手写附着力数字时容易受到很多因素的影响,比如不同人的数字书写习惯、不同程度的附着力、图像质量不高等,这些都会导致数字识别精度降低。针对这些问题,本文提出了一种改进的卷积神经网络手写体粘连数字识别算法。首先,针对手写体数字图像中存在的大量粘附现象,提出了一种改进的卷积神经网络模型。利用不同尺度的卷积核对实验图像进行多级特征提取,然后对特征帧滤波算法进行优化,在提高手写体粘附数识别精度的同时增强神经网络对背景噪声的鲁棒性。实验结果表明,改进的卷积模型在实验数据集上的平均识别准确率为94%。该算法在保证较高识别精度的前提下减小了参数大小,提高了系统的识别效率,优于目前大多数算法。
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引用次数: 0
Design of module - based test system configuration management system 基于模块的测试系统组态管理系统的设计
Xiaopeng Qi, Kai Duan, Kuan Wang
As a key system for data acquisition in flight test, flight test data acquisition system collects data in various formats and integrates them into a unified PCM format. In order to realize the configuration management of test system effectively, a method of system configuration management is proposed that is based on modular design. According to different data formats, this paper defines the configuration management information of data and the data fusion standard of PCM. The configuration information structure of XML engineering is defined. Besides, the configuration management information of each module is converted into XML management file and CFG binary configuration file, which realizes the comprehensive configuration management of the test system.
飞行试验数据采集系统是飞行试验数据采集的关键系统,它采集各种格式的数据,并将其集成为统一的PCM格式。为了有效地实现测试系统的组态管理,提出了一种基于模块化设计的系统组态管理方法。根据不同的数据格式,定义了数据的配置管理信息和PCM的数据融合标准。定义了XML工程的配置信息结构。并将各模块的配置管理信息转换成XML管理文件和CFG二进制配置文件,实现了测试系统的全面配置管理。
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引用次数: 0
Study on Reliability Measurement Model of Aerospace Embedded Software 航空航天嵌入式软件可靠性测量模型研究
Wu Yu, Yin Ming, Ma Huai-yu
Aerospace embedded software is very complex, large-scale and highly reliable, so it is very important to measure the reliability of aerospace embedded software. Based on the analysis of the characteristics of aerospace embedded software, the reliability evaluation of aerospace embedded software based on the Delayed S-Shaped model is carried out. The data set similar to the characteristics of aerospace embedded software is selected to verify the predictive ability of the model. The experimental results show that the aerospace embedded software reliability measurement model can obtain a good fitting effect.
航空航天嵌入式软件结构复杂、规模庞大、可靠性高,因此对航空航天嵌入式软件的可靠性进行测量具有十分重要的意义。在分析航空航天嵌入式软件特点的基础上,开展了基于延迟s型模型的航空航天嵌入式软件可靠性评估。选取与航空航天嵌入式软件特性相近的数据集,验证模型的预测能力。实验结果表明,所建立的航天嵌入式软件可靠性测量模型能够获得良好的拟合效果。
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引用次数: 0
Dynamic Collision Avoidance Zone Modeling Method Based on UAV Emergency Collision Avoidance Trajectory 基于无人机紧急避碰轨迹的动态避碰区域建模方法
Xusheng Gan, Yarong Wu, Pingni Liu, Qian Wang
In order to satisfy the flight safety early warning requirements of UAV to the greatest extent and improve the safety and reliability of UAV operating in mixed airspace, with reference to flight interval standards, a cylinder static protection zone model of UAV is constructed to detect the flight conflict trend and near midair collision trend between UAV and intruder, and then a dynamic collision avoidance zone modeling method based on emergency collision avoidance trajectory of UAV in three-dimensional space is proposed to delineat the dynamic collision avoidance zone for detecting the collision trend of two-aircrafts. The simulation results show the effectiveness of the method.
为了最大程度地满足无人机飞行安全预警需求,提高无人机在混合空域运行的安全性和可靠性,参考飞行间隔标准,构建无人机圆柱体静态保护区模型,检测无人机与入侵者的飞行冲突趋势和近半空碰撞趋势。在此基础上,提出了一种基于无人机三维空间应急避碰轨迹的动态避碰区域建模方法,对动态避碰区域进行划分,用于检测两机碰撞趋势。仿真结果表明了该方法的有效性。
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引用次数: 3
Study of a Cleaning Intelligent Control System for Rice and Wheat Combine Harvester 稻麦联合收割机清洗智能控制系统的研究
Jiang Qing, Xiao Zhengxing, Zhong Jinglei, Zhao Yude, Huang He, Zhang Zhengyong, Wang Rujin
The intelligent regulation and control strategies for rice and wheat combine harvesters' operation are lacking and the rule of parameter matching is fuzzy in China, around these issues, the dynamic correlation control law among the parameters of rice and wheat, cleaning operation parameters of combine harvesters, the cleaning loss rate and impurity rate are studied, and so on. The intelligent control model for the rice and wheat combine harvester is established based on case-based reasoning. According to different rice and wheat varieties, water content and other rice and wheat properties, the control scheme of cleaning fan speed, air distributor plate angle and upper sieve opening with low cleaning impurity rate and cleaning loss rate is provided. Through the development of web-based cleaning intelligent control expert system and conduct experimental evaluation, the feasibility and effectiveness of the case-based reasoning method in the intelligent control filed of rice and wheat combine harvesters is verified.
针对国内稻麦联合收割机运行智能调控策略缺乏、参数匹配规则模糊等问题,研究稻麦参数、联合收割机清关操作参数、清关损失率和杂质率之间的动态关联控制规律等。建立了基于案例推理的稻麦联合收割机智能控制模型。根据稻麦品种、含水率等稻麦特性的不同,提供了清洗杂质率和清洗损失率较低的清洗风机转速、空气分布板角度和上筛开度的控制方案。通过开发基于web的清洗智能控制专家系统并进行实验评估,验证了基于案例推理方法在稻麦联合收割机智能控制领域的可行性和有效性。
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引用次数: 1
An integrated GPS/vision UAV navigation system based on Kalman filter 基于卡尔曼滤波的GPS/视觉无人机综合导航系统
Wen-Bing Song
Unmanned system (UAS) is a new type of payload, which carry the perceptive communication processing and decision-making device. Navigation system, as an important part of the unmanned system, which lead to low accuracy by GPS and vision navigation insufficient features. To solve these problems, we propose an integrated GPS/vision UAV navigation system based on Kalman filter. First, we studied the basic theory of integrated navigation and smoothing processing, introduced the knowledge of combined navigation and path smoothing, and analyzed the problems of integrated UAV navigation technology in real application. Based on Kalman filter algorithm, we design the GPS and vision fusion navigation scheme and optimize the UAV navigation path. Finally, the performance improvement of the algorithm in positioning accuracy was verified using MATLAB simulation.
无人系统(UAS)是一种新型的有效载荷,它携带感知通信处理和决策装置。导航系统作为无人系统的重要组成部分,存在GPS导航精度低和视觉导航不足的特点。针对这些问题,提出了一种基于卡尔曼滤波的GPS/视觉无人机综合导航系统。首先,研究了组合导航与平滑处理的基本理论,介绍了组合导航与路径平滑的相关知识,分析了组合无人机导航技术在实际应用中存在的问题。基于卡尔曼滤波算法,设计了GPS与视觉融合导航方案,并对无人机导航路径进行了优化。最后,通过MATLAB仿真验证了该算法在定位精度方面的性能提升。
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引用次数: 3
Design of a Low-Dropout Linear Regulator 一种低差线性稳压器的设计
Enyu Xu, X. He
This paper introduces a low-dropout linear regulator with an operating voltage of 2.5V. An anti-overshoot circuit is added to the error amplifier, and the regulator module is optimized based on circuit stability performance; Add trim function to feedback resistance network so that LDO can output different voltage values such as 1.1V, 1.8V and 2.2V according to various needs. The circuit is simulated by Cadence based on HLMC 40nm CMOS process. The results show that the LDO has a minimum rejection ratio of −35dB and a maximum of −56dB.
本文介绍了一种工作电压为2.5V的低压差线性稳压器。在误差放大器中加入抗超调电路,并根据电路稳定性对稳压模块进行优化;在反馈电阻网络中增加微调功能,使LDO可以根据各种需要输出1.1V、1.8V、2.2V等不同电压值。基于HLMC 40nm CMOS工艺,用Cadence软件对该电路进行了仿真。结果表明,LDO的最小抑制比为- 35dB,最大抑制比为- 56dB。
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引用次数: 1
Research on the solution of service conflict based on service characteristics in power exchange network convergence 电力交换网络融合中基于业务特性的业务冲突解决方法研究
Ni Li, Guozhu Ma, Hongxia Sun, Ting Zhao
Under the situation of rapid increase in business, IMS Technology is introduced into the power exchange network. The deep integration of business and control saves the physical space of exchange in volume. The data from different business terminals are gathered on the unified platform by adopting the consistent SIP exchange protocol. It is often encountered that the business concurrent demand is greater than the system capacity, resulting in the failure of the session process execution. In this paper, we propose a solution based on business characteristics to deal with session conflicts, explore IMS business triggering mechanism and process, and find its limitations. According to the different characteristics of business triggering, set up the business conflict resolution scheme, which can predict the concurrent conflict of multiple sessions before it occurs. It start the conflict prevention scheme on demand in time, and use the exchange resources on demand on the premise of meeting the business needs to the maximum. The research method proposed in this paper is to provide a better solution to practical problems in the era of power grid information explosion.
在业务快速增长的情况下,IMS技术被引入到电力交换网络中。业务与控制的深度融合,在体量上节省了交易所的物理空间。采用统一的SIP交换协议,将不同业务终端的数据集中到统一的平台上。经常会遇到业务并发需求大于系统容量,导致会话流程执行失败的情况。本文提出了一种基于业务特征的会话冲突处理方案,探讨了IMS业务触发机制和流程,并发现了其局限性。根据业务触发的不同特点,建立业务冲突解决方案,在多个会话并发冲突发生前进行预测。及时启动按需预防冲突方案,在满足业务需求的前提下,最大限度地利用按需交换资源。本文提出的研究方法是为了更好地解决电网信息爆炸时代的实际问题。
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引用次数: 0
期刊
2020 IEEE International Conference on Artificial Intelligence and Information Systems (ICAIIS)
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