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

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Long Short-term Memory Network Prediction Model Based on Fuzzy Time Series 基于模糊时间序列的长短期记忆网络预测模型
Hua Qu, Jiaqi Li, Yanpeng Zhang
This paper proposes a long short-term memory network (FTS-LSTM) prediction model based on fuzzy time series to improve the prediction accuracy of time series. First, the fuzzy C-means clustering FCM algorithm is used to classify the time series to form a fuzzy time series and obtain the membership matrix. Second, the LSTM net-work prediction model is constructed, and the FTS-LSTM network prediction model is proposed. The previously obtained membership is used as the full connection. The weight of the layer and its membership as the weight remain unchanged. This FTS-LSTM network prediction model not only considers the non-linearity and non-stationarity of the time series, but also resolves the inherent uncertainty and ambiguity of the data. Simulation results show that the FTS-LSTM network-based prediction model has faster training speed, higher prediction accuracy, and better prediction effect on time series with large ambiguities.
为了提高时间序列的预测精度,提出了一种基于模糊时间序列的长短期记忆网络(FTS-LSTM)预测模型。首先,采用模糊c均值聚类FCM算法对时间序列进行分类,形成模糊时间序列并得到隶属度矩阵;其次,构建了LSTM网络预测模型,提出了FTS-LSTM网络预测模型。先前获得的成员关系用作完整连接。层的权值和作为权值的隶属度保持不变。该FTS-LSTM网络预测模型既考虑了时间序列的非线性和非平稳性,又解决了数据固有的不确定性和模糊性。仿真结果表明,基于FTS-LSTM网络的预测模型具有更快的训练速度和更高的预测精度,对模糊性较大的时间序列具有较好的预测效果。
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引用次数: 4
A 2-Stage Phase Interpolator Used in Clock Data Recovery Circuit 用于时钟数据恢复电路的两级相位插补器
Dongxu Quan, Xiameng Lian
Phase interpolation based digital clock data recovery are widely adopted in Serdes design because of capability of dealing with burst mode. In this paper, a two-stage phase interpolator utilizing IQ clock are proposed. The tail current in first stage can be trimmed to equalized the amplitude difference caused by first stage interpolation. The second stage operates 8-step phase interpolation by using clock with 45° difference. The Circuit is implemented in HLMC 55nmdr process. The DNL is 0.8LSB, INL is 2LSB, typical power consumption is 36.36mW@1.2V. PI operating frequency is 2.5G and its control logic operates at 312.5MHz.
基于相位插值的数字时钟数据恢复因其处理突发模式的能力而被广泛应用于数字时钟设计中。本文提出了一种基于IQ时钟的两级相位插补器。可以对第一级尾电流进行微调,以平衡第一级插补引起的幅度差。第二阶段操作8步相位插值使用时钟与45°的差异。该电路采用hlmc55nmdr工艺实现。DNL为0.8LSB, INL为2LSB,典型功耗为36.36mW@1.2V。PI工作频率为2.5G,其控制逻辑工作在312.5MHz。
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引用次数: 0
Thermal Runaway Warning Based on Safety Management System of Lithium Iron Phosphate Battery for Energy Storage 基于储能磷酸铁锂电池安全管理系统的热失控预警
Darui He, Jianlong Sun, Yan Li, Fangyuan Tian, Yiran Chen, Guodao Tong, Xisong Chen, Qipeng Shen, Zhibo Lian
This paper studies a thermal runaway warning system for the safety management system of lithium iron phosphate battery for energy storage. The entire process of thermal runaway is analyzed and controlled according to the process, including temperature warnings, gas warnings, smoke and infrared warnings. Then, the problem of position and threshold setting of the warning sensors are studied. Finally, a hierarchical warning system is established and a communication architecture diagram of system warning is constructed. It is shown that the system can quickly locate the area where the battery pack is out of control, and quickly perform corresponding disconnection, firefighting and alarm operations to ensure the safe and stable operation of the battery storage power station.
研究了储能用磷酸铁锂电池安全管理系统的热失控预警系统。根据过程对热失控的整个过程进行分析和控制,包括温度报警、气体报警、烟雾报警和红外报警。然后,研究了预警传感器的位置和阈值设置问题。最后,建立了分层预警系统,并构建了系统预警通信架构图。实验表明,该系统能够快速定位电池组失控区域,并快速进行相应的断开、灭火和报警操作,保证蓄电池储能电站安全稳定运行。
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引用次数: 4
Efficient Instance Segmentation Network 高效实例分割网络
Chenquan Huang, Weihang Wu, Zhihua Lei
We present an efficient, flexible, fast and accurate framework for real-time instance segmentation. We call it Efficient Instance Segmentation Network, denoted as EISNET. Our method is motivated by the Mask R-CNN and YOLACT. Mask R-CNN enables instance segmentation by adding an extra branch at the Faster R-CNN framework to produce mask for each object. Due to limitation of the inefficiency of two stage detector, Mask R-CNN is not suitable for real-time scene. We therefore propose EISNET which enables instance segmentation by adding two branches to the one-stage detector-RetinaNet. We call it Efficient since we use modified EfficientNet as the backbone of our framework, which results in high accuracy with few parameters and FLOPS. In addition, we provide a modified bi-directional FPN (Feature Pyramid Network) module, which thus allows efficient multi-scale feature fusion. Given the credit to these design techniques, our EISNET achieves 31.2 mAP with only 17.2M parameters and 3.5B FLOPS on the COCO dataset. More significantly, our model can achieve more than 35 FPS on single 1080Ti GPU, which fits the most real-time requirements. With a better GPU, we could even achieve higher mAP while keeping the real-time property of more than 30 FPS.
提出了一种高效、灵活、快速、准确的实时实例分割框架。我们称之为高效实例分割网络,简称为EISNET。我们的方法受到Mask R-CNN和YOLACT的启发。Mask R-CNN通过在Faster R-CNN框架中添加一个额外的分支来为每个对象生成掩码,从而实现实例分割。由于两级检测器低效率的限制,Mask R-CNN不适合实时场景。因此,我们提出了EISNET,它通过在一级检测器- retanet中添加两个分支来实现实例分割。我们称其为高效,因为我们使用修改后的effentnet作为框架的主干,这导致了以很少的参数和FLOPS实现高精度。此外,我们提供了一个改进的双向FPN(特征金字塔网络)模块,从而允许有效的多尺度特征融合。由于这些设计技术的功劳,我们的EISNET在COCO数据集上仅使用172m参数和3.5B FLOPS就实现了31.2 mAP。更重要的是,我们的模型可以在单个1080Ti GPU上实现超过35 FPS,这符合最实时的要求。有了更好的GPU,我们甚至可以实现更高的mAP,同时保持超过30 FPS的实时性。
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引用次数: 1
Research on Computer Network Information Security Based on Big Data Technology 基于大数据技术的计算机网络信息安全研究
Gengyi Xiao
Internet big data is related to our personal privacy and property security. In serious cases, it also affects the security of confidential information of related companies. Therefore, big data must be protected to prevent criminals from stealing our personal privacy, property information and corporate secrets. Based on this research background, the paper designs the design of computer network security defines system. After the system design is implemented, the system is tested accordingly. According to the test results, the computer network security defines system designed in this paper can actively detect and effectively prevent security threats in the network, thereby ensuring that the network can Normal and safe operation. The computing network security defines system can also provide effective ideas for future network security protection and achieve further expansion of security defines.
互联网大数据关系到我们的个人隐私和财产安全。严重的还会影响到相关公司机密信息的安全。因此,必须保护大数据,防止不法分子窃取我们的个人隐私、财产信息和企业机密。基于这一研究背景,本文设计了计算机网络安全定义系统的设计。系统设计完成后,对系统进行了相应的测试。根据测试结果,本文设计的计算机网络安全定义系统能够主动检测并有效防范网络中的安全威胁,从而保证网络能够正常安全运行。计算网络安全定义体系也可以为未来网络安全防护提供有效思路,实现安全定义的进一步扩展。
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引用次数: 2
Self-excitation Control of Squirrel-Cage Induction Motor based on Super-Twisting Sliding Mode Algorithm 基于超扭转滑模算法的鼠笼式异步电动机自激控制
Donglong Wang, Jincheng Zhao
For improving the stability of the engine driven self-excitation cage asynchronous generation system (EDS-CAGS) on the condition of the large range speed variation and the impact load, reducing the pulsation of the direct torque control (DTC), a new voltage space vector DTC is proposed based on the Super-Twisting control of the voltage-linkage outer subsystem and the K-class direct feedback linearization control of the current inner subsystem. EDS-CAGS simulation results show that, on the condition of the large range speed variation and the impact load, compared with the traditional voltage outer-loop and current inner-loop DTC method, by the new Super-Twisting sliding mode control method, the overshoot of the DC output voltage is reduced significantly, the response speed of the torque is fastened, the derivative values of the sliding mode variables can be convergence, and the robust stability of the EDS-CAGS is enhanced.
为了提高发动机自励笼式异步发电系统(EDS-CAGS)在大范围转速变化和冲击载荷条件下的稳定性,减小直接转矩控制(DTC)的脉动,提出了一种基于电压联动外分系统的超扭转控制和电流内分系统的k级直接反馈线性化控制的电压空间矢量DTC。仿真结果表明,在大范围转速变化和冲击载荷的情况下,与传统的电压外环和电流内环直接控制方法相比,新型超扭转滑模控制方法显著降低了直流输出电压的超调量,固定了转矩的响应速度,滑模变量的导数值可以收敛,增强了EDS-CAGS的鲁棒稳定性。
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引用次数: 0
Design and Research on Guidance Improved Conventional Aerial Bomb Pitch Channel Control System 制导改进型常规航空炸弹俯仰通道控制系统设计与研究
Zeqian Liu, Yiguo Ji, Lin Yang, Chunyan Tian
Aiming at meeting the operational need of guidance improvement for conventional aerial bomb, the overall structure of pitch channel control system of guidance improvement for conventional aerial bomb is studied, and the selection method of the performance index of the pitch channel stability control loop is determined, and the design requirements are analyzed. A stable loop control model for pitch channel based on pseudo attacking-angle feedback three loops method is established. The performance of the stability control loop is simulated by means of parameter freezing method. The simulation results show that the design of the pitch channel control system achieves the performance requirements.
针对常规航空炸弹制导改进的作战需要,研究了常规航空炸弹制导改进俯仰角通道控制系统的总体结构,确定了俯仰角通道稳定控制回路性能指标的选取方法,并分析了设计要求。建立了基于伪攻角反馈三环法的俯仰通道稳定环控制模型。采用参数冻结法对稳定控制回路的性能进行了仿真。仿真结果表明,所设计的螺距通道控制系统达到了性能要求。
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引用次数: 0
Cumulative Energy Consumption Analysis of Signal Intersections Based on Improved Genetic Algorithm 基于改进遗传算法的信号交叉口累计能耗分析
Junhui Liu, Yajuan Jia, Yaya Wang, Juanjuan Wang
In order to reduce the energy consumption of vehicles in urban road systems, it is necessary to improve the traffic capacity of urban intersections from the perspective of reducing energy consumption signalized intersections that proposed the use of an improved genetic algorithm, and it is to optimize the intersection with time-based approach. More, it is a goal to study the cumulative energy consumption and a simulation experiment, while the simulation results show that this method can effectively reduce the accumulated energy consumption and obtain better traffic signal control effect.
为了降低城市道路系统中车辆的能耗,有必要从降低能耗信号交叉口的角度提高城市交叉口的通行能力,提出了采用改进的遗传算法,并采用基于时间的方法对交叉口进行优化。进一步对累积能耗进行了研究,并进行了仿真实验,仿真结果表明,该方法能有效降低累积能耗,获得较好的交通信号控制效果。
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引用次数: 1
Design of Teaching Expert Evaluation System Based on Artificial Intelligence 基于人工智能的教学专家评价系统设计
Xiaomin Zhao
In order to improve the teaching evaluation expert system intelligent and real-time performance, reduce the teaching expert evaluation system output error rate, improve the accuracy of teaching expert evaluation, a teaching expert evaluation system design method is proposed based on Internet and artificial intelligence. The overall design framework for teaching expert evaluation system, the design of network teaching the expert evaluation system of artificial intelligence chaos control method using a one-way chain network, the transmission control protocol for online teaching evaluation and monitoring information recognition, to improve the real-time transmission capability assessment information teaching, to collect multimedia monitoring information into the signal conditioning module, multimedia information monitoring and scheduling in the open the application programming interface. Combined with the artificial intelligent control method to realize remote control teaching expert evaluation system, through the PIC bus will be teaching expert evaluation data acquisition to the PC machine, DSP after receiving the signal after signal processing and playback, the artificial intelligence control of teaching expert evaluation system is realized. The test results show that this method of teaching design expert system with artificial intelligence, it has good data information fusion ability.
为了提高教学专家评估系统的智能化和实时性,降低教学专家评估系统的输出错误率,提高教学专家评估的准确性,提出了一种基于互联网和人工智能的教学专家评估系统设计方法。本文对教学专家评估系统进行了总体设计框架,设计了网络教学专家评估系统的人工智能混沌控制方法,采用单向链网络,通过传输控制协议对在线教学评估和监控信息进行识别,提高教学评估信息的实时传输能力,将采集到的多媒体监控信息输入信号调理模块;多媒体信息监控和调度在开放的应用程序编程接口。结合人工智能控制方法实现远程控制教学专家评价系统,通过PIC总线将教学专家评价数据采集到PC机,DSP接收到信号后进行信号处理和回放,实现对教学专家评价系统的人工智能控制。测试结果表明,该方法设计的人工智能教学专家系统具有良好的数据信息融合能力。
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引用次数: 2
Semi-supervised active learning image classification method based on Tri-Training algorithm 基于三训练算法的半监督主动学习图像分类方法
Yongjun Zhang, Siyu Yan
This paper proposes an improved Cost-Effective Active Learning (CEAL) method for Deep Image Classification: Tri-CEAL, which was based on the Tri-training algorithm. By implementing the semi-supervised learning Tri-Training algorithm in CEAL, Tri-CEAL can use semi-supervised classification to select high-confidence samples in unlabeled samples for feature learning. At the same time, the active learning strategy in CEAL was improved to an active learning algorithm based on voting entropy, in which unlabeled samples with high information value are selected for manual labeling based on voting entropy. The classification experiments of Tri-CEAL algorithm and CEAL algorithm on CIFAR-10 indicate that the Tri-CEAL significantly reduces the workload of manually labeling samples and has better generalization performance on image classification problems.
本文提出了一种改进的基于Tri-training算法的高效主动学习(CEAL)深度图像分类方法:Tri-CEAL。通过在CEAL中实现半监督学习Tri-Training算法,Tri-CEAL可以使用半监督分类在未标记的样本中选择高置信度的样本进行特征学习。同时,将CEAL中的主动学习策略改进为基于投票熵的主动学习算法,选择信息价值高的未标记样本进行基于投票熵的人工标记。在CIFAR-10上进行的Tri-CEAL算法和CEAL算法的分类实验表明,Tri-CEAL算法显著减少了人工标注样本的工作量,在图像分类问题上具有更好的泛化性能。
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引用次数: 2
期刊
2020 IEEE International Conference on Artificial Intelligence and Information Systems (ICAIIS)
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