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Self-organizing method for collaboration in multi-robot system on basis of balance principle

DONG Yangbin, JIANG Jinping, HE Yan

《机械工程前沿(英文)》 2008年 第3卷 第3期   页码 283-287 doi: 10.1007/s11465-008-0044-z

摘要: By analyzing the operation characteristics of two subtasks that have resource dependency on each other, this paper demonstrates the impact of progress relation between the two subtasks on the whole task’s progress, and then puts forward a self-organizing principle called balance principle that keeps the individual profit between robots equal. Furthermore, an algorithm is designed for adjusting subtask selection on the basis of this principle. Simulation shows the validity of the algorithm on self-organizing task allocation in a multi-robot system.

关键词: algorithm     self-organizing principle     validity     Simulation     allocation    

Visualization of amino acid composition differences between processed protein from different animal species by self-organizing

Xingfan ZHOU,Zengling YANG,Longjian CHEN,Lujia HAN

《农业科学与工程前沿(英文)》 2016年 第3卷 第2期   页码 171-179 doi: 10.15302/J-FASE-2016095

摘要: Amino acids are the dominant organic components of processed animal proteins, however there has been limited investigation of differences in their composition between various protein sources. Information on these differences will not only be helpful for their further utilization but also provide fundamental information for developing species-specific identification methods. In this study, self-organizing feature maps (SOFM) were used to visualize amino acid composition of fish meal, and meat and bone meal (MBM) produced from poultry, ruminants and swine. SOFM display the similarities and differences in amino acid composition between protein sources and effectively improve data transparency. Amino acid composition was shown to be useful for distinguishing fish meal from MBM due to their large concentration differences between glycine, lysine and proline. However, the amino acid composition of the three MBMs was quite similar. The SOFM results were consistent with those obtained by analysis of variance and principal component analysis but more straightforward. SOFM was shown to have a robust sample linkage capacity and to be able to act as a powerful means to link different sample for further data mining.

关键词: self-organizing feature maps     visualization     processed animal proteins (PAPs)     amino acid    

Multiple input self-organizing-map ResNet model for optimization of petroleum refinery conversion units

《化学科学与工程前沿(英文)》 2023年 第17卷 第6期   页码 759-771 doi: 10.1007/s11705-022-2269-5

摘要: This work introduces a deep-learning network, i.e., multi-input self-organizing-map ResNet (MISR), for modeling refining units comprised of two reactors and a separation train. The model is comprised of self-organizing-map and the neural network parts. The self-organizing-map part maps the input data into multiple two-dimensional planes and sends them to the neural network part. In the neural network part, residual blocks enhance the convergence and accuracy, ensuring that the structure will not be overfitted easily. Development of the MISR model of hydrocracking unit also benefits from the utilization of prior knowledge of the importance of the input variables for predicting properties of the products. The results show that the proposed MISR structure predicts more accurately the product yields and properties than the previously introduced self-organizing-map convolutional neural network model, thus leading to more accurate optimization of the hydrocracker operation. Moreover, the MISR model has smoother error convergence than the previous model. Optimal operating conditions have been determined via multi-round-particle-swarm and differential evolution algorithms. Numerical experiments show that the MISR model is suitable for modeling nonlinear conversion units which are often encountered in refining and petrochemical plants.

关键词: hydrocracking     convolutional neural networks     self-organizing map     deep learning     data-driven optimization    

考虑跟随行为的行人自组织运动仿真模型 Article

Zhilu YUAN, Hongfei JIA, Mingjun LIAO, Linfeng ZHANG, Yixiong FENG, Guangdong TIAN

《信息与电子工程前沿(英文)》 2017年 第18卷 第8期   页码 1142-1150 doi: 10.1631/FITEE.1601592

摘要: 在本文中一种新的力学模型被引入到社会力模型中,用来仿真相向行人流中的跟随行为。这种跟随行为指的是行人通过接近同向行人以避免与反向行人冲突的行为。新的力学模型类似于一种引力模型,在建模过程中考虑了行人的视野范围、自身的运动状态、被跟随行人的运动状态等因素。我们利用新的力学模型对相向行人流进行了仿真,研究了跟随行为对渠化现象、行人间冲突以及双向通道通行效率的影响。仿真结果表明:跟随行为能促进渠化现象形成,并能起到缓解相向行人流拥堵的作用;跟随行为具有降低相向行人流冲突次数的作用,这种作用在入口流量较低时并不明显,但随着行人流量的升高而增强。跟随行为能够提高双向通道的通行效率,并且跟随行为的强度参数越大通道的通行效率越高。

关键词: 引力模型;相向行人流;社会力模型;渠化现象;自组织行为    

基于自组织神经网络的建筑市场执业资格人员信用分类研究

范志清,王雪青,李宝龙

《中国工程科学》 2011年 第13卷 第9期   页码 105-108

摘要:

利用自组织神经网络技术,结合建筑市场执业资格人员信用的相关特点,研究了网络中神经元个数的确定、训练步数、网络维数、获胜神经元的领域等对网络结构和执业资格人员信用划分类别的影响,给出了执业资格人员信用分类的网络构造思想和神经网络结构,并以被调查的执业资格人员为例进行了实证研究。研究结果表明,该方法简便、易行,适用于执业资格人员信用分类研究,为开展执业资格人员信用管理奠定了良好的理论方法基础。

关键词: 执业资格人员     信用     聚类分析     自组织神经网络    

运用自组织竞争网络进行气体定性分析的研究

太惠玲,谢光忠,蒋亚东

《中国工程科学》 2006年 第8卷 第1期   页码 81-84

摘要:

优选了分析H2,CO气体的半导体气体传感器组成阵列,建立了实时数据采集系统,并与自组织竞争网络模式识别技术相结合,以进行气体定性分析的研究;同时为了消除气体浓度变化对传感器阵列输出的影响,提高自组织网络的识别效果,运用三种不同的数据归一化算法对传感器阵列的输出响应进行了预处理,并对各自对应的网络识别结果进行了分析与讨论。实验结果表明,采用相对算法可实现H2,CO气体的准确识别。

关键词: 气体传感器阵列     自组织竞争网络     定性分析    

基于自组织映射的增材制造中数据驱动式微观组织和显微硬度设计 Article

甘政涛, 李恒阳, Sarah J. Wolff, Jennifer L. Bennett, Gregory Hyatt, Gregory J. Wagner, 曹简, Wing Kam Liu

《工程(英文)》 2019年 第5卷 第4期   页码 730-735 doi: 10.1016/j.eng.2019.03.014

摘要:

为了在镍基高温合金的增材制造(AM)中设计微观组织和显微硬度,本研究提出了一种新的数据驱动方法,该方法结合了物理模型、实验测量和数据挖掘方法。该模拟基于计算热流体动力学(CtFD)模型,可以获得热行为、凝固参数(如冷却速度)和凝固层的稀释率。根据计算出的热信息, 可利用经过充分测试的力学模型估算枝晶臂间距和显微硬度。通过实验测定试样的微观结构和显微硬度,与模拟值进行比较验证。为了实现过程-组织-性能(PSP)关系的可视化,模拟及实验数据集被输入到数据挖掘模型——自组织映射(SOM)中。在多目标下,工艺参数的设计窗口可以从可视化映射中得到。这种被提出的方法可用于AM和其他数据密集型工艺过程。过程、组织和性能之间的数据驱动联系可能会有利于在线过程监控控制,从而获得理想的微观组织和力学性能。

关键词: 增材制造     数据科学     多重物理建模     自组织映射     微观结构     显微硬度     镍基高温合金    

基于AUV初始方向角和海流环境的SOM任务分配算法 Special Feature on Intelligent Robats

Da-qi ZHU, Yun QU, Simon X. YANG

《信息与电子工程前沿(英文)》 2019年 第20卷 第3期   页码 330-341 doi: 10.1631/FITEE.1800562

摘要: 实际水下环境存在海流。本文针对多自治机器人任务分配系统提出一个改进的自组织神经网络算法。该算法充分考虑自治水下机器人初始方向角和海流环境。每个自治水下机器人都参与竞争。选出实际航行路径最短的自治水下机器人作为获胜神经元,同时确保总航行路径最短。首先,初始化每个自治水下机器人的位置与方向角以及海流流速与方向。其次,通过竞争,选择海流环境下最短航行路径的水下机器人作为获胜神经元,并将该获胜神经元分配给相应目标点。为证明该算法有效性,给出相应仿真结果。

关键词: 自治水下机器人;自组织神经网络;初始方向角;海流    

装备系统故障自愈原理研究

高金吉

《中国工程科学》 2005年 第7卷 第5期   页码 43-48

摘要:

装备故障可否在其运行中得到控制或自行消除?故障能否像人和动物的疾病一样可以“自愈”?在系统科学的指导下,移植现代医学“自主调理”治疗原理,包括免疫、防御、代偿、自修复和适应等,可以用来指导研究装备自愈原理及工程应用;重点研究了以故障预防和消除为目标的装备系统自愈调控原理,为研制出具有自愈功能的新一代装备提供科学依据。

关键词: 装备系统     故障自愈原理     故障自愈调控     诊断     主动控制    

Function and principle innovative design of mechanical products based on TRIZ/FA

YUAN Feng, WANG Tai-yong, NIE Hui-juan

《机械工程前沿(英文)》 2006年 第1卷 第3期   页码 350-355 doi: 10.1007/s11465-006-0031-1

摘要: Function and principle innovation is the ultimate innovation of a product. To achieve Function and principle innovation design of mechanical products, a new process model of function and principle solving is proposed, based on TRI

关键词: TRI     principle solving     product     principle innovation     ultimate innovation    

Principle of maximum entropy for reliability analysis in the design of machine components

Yimin ZHANG

《机械工程前沿(英文)》 2019年 第14卷 第1期   页码 21-32 doi: 10.1007/s11465-018-0512-z

摘要: We studied the reliability of machine components with parameters that follow an arbitrary statistical distribution using the principle of maximum entropy (PME). We used PME to select the statistical distribution that best fits the available information. We also established a probability density function (PDF) and a failure probability model for the parameters of mechanical components using the concept of entropy and the PME. We obtained the first four moments of the state function for reliability analysis and design. Furthermore, we attained an estimate of the PDF with the fewest human bias factors using the PME. This function was used to calculate the reliability of the machine components, including a connecting rod, a vehicle half-shaft, a front axle, a rear axle housing, and a leaf spring, which have parameters that typically follow a non-normal distribution. Simulations were conducted for comparison. This study provides a design methodology for the reliability of mechanical components for practical engineering projects.

关键词: machine components     reliability     arbitrary distribution parameter     principle of maximum entropy    

General Optimal Trajectory Planning: Enabling Autonomous Vehicles with the Principle of Least Action

Heye Huang,Yicong Liu,Jinxin Liu,Qisong Yang,Jianqiang Wang,David Abbink,Arkady Zgonnikov,

《工程(英文)》 doi: 10.1016/j.eng.2023.10.001

摘要: This study presents a general optimal trajectory planning (GOTP) framework for autonomous vehicles (AVs) that can effectively avoid obstacles and guide AVs to complete driving tasks safely and efficiently. Firstly, we employ the fifth-order Bezier curve to generate and smooth the reference path along the road centerline. Cartesian coordinates are then transformed to achieve the curvature continuity of the generated curve. Considering the road constraints and vehicle dynamics, limited polynomial candidate trajectories are generated and smoothed in a curvilinear coordinate system. Furthermore, in selecting the optimal trajectory, we develop a unified and auto-tune objective function based on the principle of least action by employing AVs to simulate drivers’ behavior and summarizing their manipulation characteristics of “seeking benefits and avoiding losses.” Finally, by integrating the idea of receding-horizon optimization, the proposed framework is achieved by considering dynamic multi-performance objectives and selecting trajectories that satisfy feasibility, optimality, and adaptability. Extensive simulations and experiments are performed, and the results demonstrate the framework’s feasibility and effectiveness, which avoids both dynamic and static obstacles and applies to various scenarios with multi-source interactive traffic participants. Moreover, we prove that the proposed method can guarantee real-time planning and safety requirements compared to drivers’ manipulation.

关键词: Autonomous vehicle     Trajectory planning     Multi-performance objectives     Principle of least action    

工程项目供应链的委托-代理模型分析

吴育华,张庆民

《中国工程科学》 2008年 第10卷 第5期   页码 75-78

摘要:

从委托代理理论出发,对基于集成化供应链的委托-代理模型的一般形式进行讨论。在此基础上,结合工程项目集成化供应链中委托方和代理方的特点构建了工程项目供应链单期委托-代理模型和多阶段工程项目供应链声誉模型。

关键词: 委托-代理模型     激励模型     声誉模型     随机行走    

铁路隧道建设理念和设计原则

王梦恕,张梅

《中国工程科学》 2009年 第11卷 第12期   页码 4-8

摘要:

铁路隧道的建设正处于前所未有的大发展时期,笔者在总结大量工程成功经验和失败教训的基础上提出了铁路隧道建设的基本理念:隧道必须建成遗产工程;隧道必须进行科学的风险评估;隧道建设必须合理工期、合理造价、合理合同、合理施工方案和设计原则;隧道必须进行信息化施工。提出了单双线隧道选择、隧道纵坡及辅助导洞设置、支护结构设计以及快速施工等隧道设计原则。隧道建设的理念和设计原则可指导今后铁路隧道的规划、设计和施工。

关键词: 铁路隧道     建设理念     设计原则    

Exploring self-organization and self-adaption for smart manufacturing complex networks

《工程管理前沿(英文)》 2023年 第10卷 第2期   页码 206-222 doi: 10.1007/s42524-022-0225-1

摘要: Trends toward the globalization of the manufacturing industry and the increasing demands for small-batch, short-cycle, and highly customized products result in complexities and fluctuations in both external and internal manufacturing environments, which poses great challenges to manufacturing enterprises. Fortunately, recent advances in the Industrial Internet of Things (IIoT) and the widespread use of embedded processors and sensors in factories enable collecting real-time manufacturing status data and building cyber–physical systems for smart, flexible, and resilient manufacturing systems. In this context, this paper investigates the mechanisms and methodology of self-organization and self-adaption to tackle exceptions and disturbances in discrete manufacturing processes. Specifically, a general model of smart manufacturing complex networks is constructed using scale-free networks to interconnect heterogeneous manufacturing resources represented by network vertices at multiple levels. Moreover, the capabilities of physical manufacturing resources are encapsulated into virtual manufacturing services using cloud technology, which can be added to or removed from the networks in a plug-and-play manner. Materials, information, and financial assets are passed through interactive links across the networks. Subsequently, analytical target cascading is used to formulate the processes of self-organizing optimal configuration and self-adaptive collaborative control for multilevel key manufacturing resources while particle swarm optimization is used to solve local problems on network vertices. Consequently, an industrial case based on a Chinese engine factory demonstrates the feasibility and efficiency of the proposed model and method in handling typical exceptions. The simulation results show that the proposed mechanism and method outperform the event-triggered rescheduling method, reducing manufacturing cost, manufacturing time, waiting time, and energy consumption, with reasonable computational time. This work potentially enables managers and practitioners to implement active perception, active response, self-organization, and self-adaption solutions in discrete manufacturing enterprises.

关键词: cyber–physical systems     Industrial Internet of Things     smart manufacturing complex networks     self-organization and self-adaption     analytical target cascading     collaborative optimization    

标题 作者 时间 类型 操作

Self-organizing method for collaboration in multi-robot system on basis of balance principle

DONG Yangbin, JIANG Jinping, HE Yan

期刊论文

Visualization of amino acid composition differences between processed protein from different animal species by self-organizing

Xingfan ZHOU,Zengling YANG,Longjian CHEN,Lujia HAN

期刊论文

Multiple input self-organizing-map ResNet model for optimization of petroleum refinery conversion units

期刊论文

考虑跟随行为的行人自组织运动仿真模型

Zhilu YUAN, Hongfei JIA, Mingjun LIAO, Linfeng ZHANG, Yixiong FENG, Guangdong TIAN

期刊论文

基于自组织神经网络的建筑市场执业资格人员信用分类研究

范志清,王雪青,李宝龙

期刊论文

运用自组织竞争网络进行气体定性分析的研究

太惠玲,谢光忠,蒋亚东

期刊论文

基于自组织映射的增材制造中数据驱动式微观组织和显微硬度设计

甘政涛, 李恒阳, Sarah J. Wolff, Jennifer L. Bennett, Gregory Hyatt, Gregory J. Wagner, 曹简, Wing Kam Liu

期刊论文

基于AUV初始方向角和海流环境的SOM任务分配算法

Da-qi ZHU, Yun QU, Simon X. YANG

期刊论文

装备系统故障自愈原理研究

高金吉

期刊论文

Function and principle innovative design of mechanical products based on TRIZ/FA

YUAN Feng, WANG Tai-yong, NIE Hui-juan

期刊论文

Principle of maximum entropy for reliability analysis in the design of machine components

Yimin ZHANG

期刊论文

General Optimal Trajectory Planning: Enabling Autonomous Vehicles with the Principle of Least Action

Heye Huang,Yicong Liu,Jinxin Liu,Qisong Yang,Jianqiang Wang,David Abbink,Arkady Zgonnikov,

期刊论文

工程项目供应链的委托-代理模型分析

吴育华,张庆民

期刊论文

铁路隧道建设理念和设计原则

王梦恕,张梅

期刊论文

Exploring self-organization and self-adaption for smart manufacturing complex networks

期刊论文