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2022 5th International Conference on Robotics, Control and Automation Engineering (RCAE)最新文献

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Research on Moving Arm Grasping Based on Computer Vision 基于计算机视觉的运动臂抓取研究
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9995949
Xinran Zhang, Jun Xu, Haoyu Fu, Shenqi Hu
mechanical arms are being used more and more frequently to grab objects in real life like smart-garbage-removal robots. Aiming at the problem that the traditional mechanical arm grasping method lacks intelligence and the eye in hand manipulator is less researched, this paper proposes a mechanical arm grasping system based on computer vision, which uses Yolo object detection to narrow the detection range, reduce noise, use Canny edge detection and image expansion to corrode the center point of the extract body, use Hough to transform the slope of the main direction of the extract body, calculate the position of the object according to the center point and the main direction slope of the object, then use the ROS framework to control the robot arm for grasping. After experimental testing, this method can effectively grasp objects within a certain range, which is more concise than traditional methods, and has good real-time performance and intelligence.
机械臂在现实生活中被越来越频繁地用于抓取物体,比如智能垃圾清除机器人。针对传统机械臂抓取方法缺乏智能化和手眼机械手研究较少的问题,本文提出了一种基于计算机视觉的机械臂抓取系统,该系统采用Yolo目标检测来缩小检测范围、降低噪声,采用Canny边缘检测和图像扩展来腐蚀提取体中心点,采用Hough变换提取体主方向的坡度,根据目标的中心点和目标的主方向斜率计算目标的位置,然后利用ROS框架控制机器人手臂进行抓取。经过实验测试,该方法能有效抓取一定范围内的物体,比传统方法更简洁,具有较好的实时性和智能化。
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引用次数: 1
Improved Fully Adjusted Neural Network based Recursive Terminal Sliding Mode Control for MEMS Gyroscopes 基于改进全可调神经网络的MEMS陀螺仪递归终端滑模控制
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9995783
Luoyu Zhang, Zhiwei Wen, Cheng Lu, Yunxiang Guo, Xinsong Zhang, Laiwu Luo
This paper proposes an adaptive recursive terminal sliding mode control (ARTSMC) using an improved fully tuned RBF neural network for Micro-Electro-Mechanical System (MEMS) gyroscopes. First, a mathematical model of a MEMS Z-axis vibrating gyroscope is introduced. Then, an ARTSMC is constructed with a recursive fast nonsingular terminal sliding surface to guarantee finite-time tracking error convergence. In addition, to release the dependence of the proposed controller on system parameters and to correctly estimate the angular velocity, an improved fully tuned RBF neural network is used to approximate gyroscope parameters. Simulation studies are conducted to verify the effectiveness of the proposed scheme.
针对微机电系统(MEMS)陀螺仪,提出了一种改进的全调谐RBF神经网络自适应递归终端滑模控制(ARTSMC)。首先,介绍了MEMS z轴振动陀螺仪的数学模型。然后,利用递归快速非奇异终端滑动曲面构造了ARTSMC,保证了跟踪误差的有限时间收敛。此外,为了消除所提控制器对系统参数的依赖和正确估计角速度,采用改进的全调谐RBF神经网络对陀螺仪参数进行逼近。仿真研究验证了所提方案的有效性。
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引用次数: 1
Application of Ceemdan and Wavelet Threshold Denoising in Perimeter Security of Fiber Grating Ceemdan和小波阈值去噪在光纤光栅周界安全中的应用
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9995911
Bingqiu Zhang, Weibin Xu, Jun Yang, Ruifeng Xing, Shunjie Han, Hong Jiang
To improve the observability of noise in distributed optical fiber perimeter security system, a denoising algorithm based on CEEMDAN and wavelet transform is proposed. The CEMMDAN is used to decompose the noise signal, and the noise signal and the intrusion signal are decomposed. The wavelet transform is used to denoise and remove the Gaussian noise component. Finally, the CEEMDAN and wavelet denoising are combined to remove the noise, and the denoising signal in line with the subsequent steps of demodulation is obtained. Experiments show that the proposed algorithm can effectively remove Gaussian noise and effectively reduce the interference noise and inherent electronic noise in the optical fiber perimeter security system.
为了提高分布式光纤周界安防系统中噪声的可观测性,提出了一种基于CEEMDAN和小波变换的去噪算法。利用CEMMDAN对噪声信号进行分解,将噪声信号与入侵信号进行分解。利用小波变换对高斯噪声分量进行去噪和去除。最后,结合CEEMDAN和小波去噪去除噪声,得到符合后续解调步骤的去噪信号。实验表明,该算法能有效去除光纤周界安防系统中的高斯噪声,有效降低光纤周界安防系统中的干扰噪声和固有电子噪声。
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引用次数: 1
An Ensemble Algorithm Combining Multi-models and Proposed Chaotic Harris Hawks Optimization for Fire Flame Recognition 火焰识别的多模型集成算法及混沌哈里斯鹰优化
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9996028
Jian Wang, Juan Nan, Zhiyan Han
Fire recognition and early prevention are of great significance to reduce the loss caused by fire. In this paper, an ensemble algorithm combining multi-models and proposed chaotic Harris hawks optimization (CHHO) is proposed for fire flame recognition. The combined multi-models include decision tree (DT), K-nearest neighbor (KNN), least squares support vector machine (LSSVM) and extreme learning machine (ELM). Aiming at the problem that improper parameter will seriously affect the classification performance of the combined models, a chaotic Harris hawks optimization (CHHO) is proposed to optimize the parameters of models. Tent mapping, improved exploration mode and improved exploitation mode are introduced into CHHO to improve the performance of Harris hawks optimization (HHO). Finally, the output of each optimized model are obtained, then the final output are obtained by weighted average method. Experiment on a set of flame images shows that the proposed model is effective and has good classification performance.
火灾的识别和早期预防对减少火灾造成的损失具有重要意义。本文提出了一种结合多模型和混沌哈里斯鹰优化(CHHO)的火焰识别集成算法。组合的多模型包括决策树(DT)、k近邻(KNN)、最小二乘支持向量机(LSSVM)和极限学习机(ELM)。针对参数不合理会严重影响组合模型分类性能的问题,提出了一种混沌哈里斯鹰优化(CHHO)方法对模型参数进行优化。为了提高Harris hawks optimization (HHO)的性能,在CHHO中引入了Tent mapping、改进的探索模式和改进的开发模式。最后得到各优化模型的输出,再用加权平均法得到最终的输出。在一组火焰图像上的实验表明,该模型是有效的,具有良好的分类性能。
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引用次数: 0
Research on Bolt Tightening Control Method Based on Electric Tightening Machine 基于电动拧紧机的螺栓拧紧控制方法研究
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9995770
Jing Zhao, Xijia Tao, Xuebo Luan, Lei Hou, Wenchao Ji, Wen Wang
With the rapid development of manufacturing automation, traditional bolt tightening methods are difficult to adapt to the fast and high quality requirements of modern industry for product assembly. Even electric tightening has been put forward higher requirements, especially for those products that require high axis force control after bolt tightening. Therefore, it is particularly important to control the bolt tightening process and results. In this paper, three tightening methods are compared by experiments, and the torque-angle twice tightening method is chosen as the best one, which has the least attenuation and the minimum discrete rate of the axis force after 24 hours. Aiming at the difficult problem of how to control the axis force after tightening, a set of automatic control method using electric tightening machine is put forward. This method can accurately control the tightening position even if the workpiece with variable. At the same time, it can control the tightening process effectively by monitoring the relative relationship between tightening angle and Torque, in order to effectively ensure the modern manufacturing industry on Bolt Tightening axis force requirements.
随着制造业自动化的快速发展,传统的螺栓紧固方法已难以适应现代工业对产品装配的快速、高质量要求。甚至电动拧紧也提出了更高的要求,特别是对螺栓拧紧后轴向力控制要求较高的产品。因此,控制螺栓的拧紧过程和结果就显得尤为重要。通过实验对三种拧紧方法进行了比较,选择扭矩-角度两次拧紧方法为最佳拧紧方法,该方法在24小时后轴力衰减最小,离散率最小。针对旋紧后轴力控制的难题,提出了一套利用电动旋紧机进行自动控制的方法。该方法可以在工件变化的情况下准确地控制拧紧位置。同时,通过监测拧紧角与扭矩的相对关系,可以有效地控制拧紧过程,从而有效地保证现代制造业对螺栓拧紧轴力的要求。
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引用次数: 1
Design of A Processing Machine for Hybrid Composites Based on Coconut and Maguey Fibers for the Production of Chipboard in the Junin-Peru Region 基于椰子和马圭纤维的复合材料加工设备的设计,用于在秘鲁地区生产刨花板
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9995743
Rubisnol Felix Julian Daga, Kevin RicardoVilchez Becerra, Jhon Stalin Figueroa Bados, Edson Jeanpierre Perez Cardenas, Pablo José Hurtado Rengifo
In the present investigation of the design of a processing machine for hybrid compounds based on coconut and maguey fibers, using the non-experimental quantitative method, under the German VDI 2221 and 2225 methodology, using mathematical models of machine elements and mechanical design and selection. of electronic components, where the main objective was the design of the hybrid compound processing machine, which consists of four processes: material transport, crushing process, mixing and compacting process, to obtain boards agglomerated, with the purpose of reusing usable solid waste and transforming it into fibers, in order to avoid the use of wood and to reduce the logging that occurs in the central jungle of Peru, for which it is essential to know the mechanical characteristics of coconut and maguey fiber, coconut fiber has a tensile strength of 220 Mpa and fiber Maguey has a tensile strength of 305 Mpa, likewise the automated control is programmed in PLC S7 1200 and TIA Portal v15 for reading analog inputs and outputs, visualization and control are developed through the HMI that is accessible to data control.
在本研究中,采用非实验定量方法,在德国VDI 2221和2225的方法下,采用机械元件和机械设计和选择的数学模型,设计了基于椰子和马圭纤维的杂化化合物加工机器。对于电子元件,主要目标是设计混合复合加工机床,该机床包括四个过程:材料运输、破碎过程,混合和压实过程,获得董事会凝聚,与重用的目的有用的固体废物,并将其转变为纤维,为了避免使用木头和减少日志记录发生在秘鲁丛林中部,它是至关重要的知道椰子和龙舌兰纤维的力学特性,椰纤维的抗拉强度220 Mpa和纤维龙舌兰的抗拉强度305 Mpa,同样,自动化控制在PLC S7 1200和TIA Portal v15中编程,用于读取模拟输入和输出,可视化和控制是通过可访问的HMI开发的数据控制。
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引用次数: 1
Simulation of Liquid Level Cascade Control System Based on Genetic Fuzzy PID 基于遗传模糊PID的液位串级控制系统仿真
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9995946
Jizhi Mao, Zhijia Yang, Shusheng Zhang
The model design and basic principle of liquid level control system are described. In order to improve the dynamic response of liquid level control, the overshoot and steady-state error accuracy of the system are improved. In this paper, we apply the conventional PID controller to the single-loop system and the cascade system respectively, and introduce the fuzzy control algorithm based on the conventional PID control algorithm to design a cascade parameter self-adjusting fuzzy PID controller, Then use genetic algorithm to optimize fuzzy control rules to generate genetic fuzzy PID controller. The MATLAB/Simulink simulation results show that, compared with the traditional PID control, the genetic fuzzy PID control has better control effect and anti-interference ability, and has good control performance.
介绍了液位控制系统的模型设计和基本原理。为了改善液位控制的动态响应,提高了系统的超调量和稳态误差精度。本文将传统的PID控制器分别应用于单回路系统和串级系统,在传统PID控制算法的基础上引入模糊控制算法,设计串级参数自整定模糊PID控制器,然后利用遗传算法对模糊控制规则进行优化,生成遗传模糊PID控制器。MATLAB/Simulink仿真结果表明,与传统PID控制相比,遗传模糊PID控制具有更好的控制效果和抗干扰能力,具有良好的控制性能。
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引用次数: 1
Depth Recognition of Underground Power Cables Based on Self-attention Mechanism and LSTM Network 基于自关注机制和LSTM网络的地下电力电缆深度识别
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9995872
Chunxia Pan, Ye Zhang, Haolin Li, Niaona Zhang
In view of the problems of slow acquisition speed, few elements, and low accuracy of traditional ground detection methods currently used in our country. At the same time, in view of the long and short-term memory network (LSTM) in deep learning, it has the advantages of automatic feature extraction and integration of classification and recognition. Based on the research foundation of transient electromagnetic method (TEM), this paper proposes a deep recognition method of underground power cables based on self-attention mechanism and LSTM network. First, the induced voltage at different time points is normalized, and the TEM apparent resistivity is quickly obtained through the LSTM-Self-Attention network. Among them, the LSTM-Self-Attention network weights are optimized by self-attention mechanism to improve the accuracy of power cable depth recognition. Finally, the power cable depth identification method proposed in this paper is simulated, and the experimental results verify the effectiveness of the proposed method.
针对我国目前使用的传统地面探测方法存在采集速度慢、要素少、精度低等问题。同时,针对深度学习中的长短期记忆网络(LSTM),具有自动特征提取和分类识别一体化的优点。在瞬变电磁法(TEM)研究基础上,提出了一种基于自关注机制和LSTM网络的地下电力电缆深度识别方法。首先,对不同时间点的感应电压进行归一化处理,通过lstm -自关注网络快速获得瞬变电磁法视电阻率;其中,利用自注意机制优化lstm -自注意网络权值,提高电力电缆深度识别的精度。最后,对本文提出的电力电缆深度识别方法进行了仿真,实验结果验证了所提方法的有效性。
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引用次数: 1
Research on Multi-depth-of-field Electronic Image Stabilization Algorithm for In-Vehicle Videos 车载视频多景深电子稳像算法研究
Pub Date : 2022-10-28 DOI: 10.1109/RCAE56054.2022.9995900
Xuewen Qiu, Huawei Liang, Jie Wang, Junsen Jing
The vehicle-mounted cameras provide video streaming information for the post-processing phase of the intelligent vehicle, such as control and decision making. According to the characteristics of in-vehicle videos, this paper studies a video stabilization algorithm considering different depths of field. On the motion estimation stage, for the problem of inaccurate estimation inter-frame motion vectors caused by different depths of field of feature points, this paper proposes a method to repair inter-frame motion vectors. The method can correct the feature point position of the current frame and improve the estimation accuracy of the global motion vector. In the motion smoothing phase, a real-time online optimization framework and adaptive weights are used to balance the relationship between motion smoothing and motion following. Experiments prove that the accuracy of motion estimation of the algorithm in this paper is better than other improved algorithm, and the average value of PSNR after video stabilization is increased by more than 3dB compared with the original videos.
车载摄像头为智能车辆的后处理阶段提供视频流信息,如控制和决策。根据车载视频的特点,研究了一种考虑不同景深的视频稳像算法。在运动估计阶段,针对特征点景深不同导致帧间运动矢量估计不准确的问题,提出了一种帧间运动矢量修复方法。该方法可以校正当前帧的特征点位置,提高全局运动矢量的估计精度。在运动平滑阶段,采用实时在线优化框架和自适应权值来平衡运动平滑与运动跟随之间的关系。实验证明,本文算法的运动估计精度优于其他改进算法,视频稳定后的PSNR均值比原始视频提高了3dB以上。
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引用次数: 1
2022 5th International Conference on Robotics, Control and Automation Engineering (RCAE 2022) 第五届机器人、控制与自动化工程国际会议(RCAE 2022)
Pub Date : 2022-10-28 DOI: 10.1109/rcae56054.2022.9996020
Kevin RicardoVilchez Becerra, Jhon Stalin Figueroa Bados, Jesus Miguel Condor, Fabian, Katy Fiorela Vilchez Becerra
Feedback Control and Fault Detection Based on Reduced-Order Observer
基于降阶观测器的反馈控制与故障检测
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引用次数: 0
期刊
2022 5th International Conference on Robotics, Control and Automation Engineering (RCAE)
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