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Chord error constraint based integrated control strategy for contour error compensation
Tie ZHANG, Caicheng WU, Yanbiao ZOU
《机械工程前沿(英文)》 2020年 第15卷 第4期 页码 645-658 doi: 10.1007/s11465-020-0601-7
关键词: cross-coupling controller contour error tracking error position error compensator feed rate regulator
Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives
Jianyong YAO
《机械工程前沿(英文)》 2018年 第13卷 第2期 页码 179-210 doi: 10.1007/s11465-018-0464-3
Hydraulic servo system plays a significant role in industries, and usually acts as a core point in control and power transmission. Although linear theory-based control methods have been well established, advanced controller design methods for hydraulic servo system to achieve high performance is still an unending pursuit along with the development of modern industry. Essential nonlinearity is a unique feature and makes model-based nonlinear control more attractive, due to benefit from prior knowledge of the servo valve controlled hydraulic system. In this paper, a discussion for challenges in model-based nonlinear control, latest developments and brief perspectives of hydraulic servo systems are presented: Modelling uncertainty in hydraulic system is a major challenge, which includes parametric uncertainty and time-varying disturbance; some specific requirements also arise ad hoc difficulties such as nonlinear friction during low velocity tracking, severe disturbance, periodic disturbance, etc.; to handle various challenges, nonlinear solutions including parameter adaptation, nonlinear robust control, state and disturbance observation, backstepping design and so on, are proposed and integrated, theoretical analysis and lots of applications reveal their powerful capability to solve pertinent problems; and at the end, some perspectives and associated research topics (measurement noise, constraints, inner valve dynamics, input nonlinearity, etc.) in nonlinear hydraulic servo control are briefly explored and discussed.
关键词: hydraulic servo system adaptive control robust control nonlinear friction disturbance compensation repetitive control noise alleviation constraint control
Technology and system of constraint programming for industry production scheduling
Yarong CHEN, Zailin GUAN, Yunfang PENG, Xinyu SHAO, Muhammad HASSEB
《机械工程前沿(英文)》 2010年 第5卷 第4期 页码 455-464 doi: 10.1007/s11465-010-0106-x
关键词: constraint programming production scheduling constraint propagation search consistency optimization
Jidong KANG, James A. GIANETTO, William R. TYSON
《机械工程前沿(英文)》 2018年 第13卷 第4期 页码 546-553 doi: 10.1007/s11465-018-0501-2
Fracture toughness measurement is an integral part of structural integrity assessment of pipelines. Traditionally, a single-edge-notched bend (SE(B)) specimen with a deep crack is recommended in many existing pipeline structural integrity assessment procedures. Such a test provides high constraint and therefore conservative fracture toughness results. However, for girth welds in service, defects are usually subjected to primarily tensile loading where the constraint is usually much lower than in the three-point bend case. Moreover, there is increasing use of strain-based design of pipelines that allows applied strains above yield. Low-constraint toughness tests represent more realistic loading conditions for girth weld defects, and the corresponding increased toughness can minimize unnecessary conservatism in assessments. In this review, we present recent developments in low-constraint fracture toughness testing, specifically using single-edge-notched tension specimens, SENT or SE(T). We focus our review on the test procedure development and automation, round-robin test results and some common concerns such as the effect of crack tip, crack size monitoring techniques, and testing at low temperatures. Examples are also given of the integration of fracture toughness data from SE(T) tests into structural integrity assessment.
关键词: fracture toughness constraint effect single-edge-notched tension test pipeline structural integrity assessment
《结构与土木工程前沿(英文)》 2023年 第17卷 第3期 页码 350-367 doi: 10.1007/s11709-022-0923-0
关键词: three-dimensional isolation rocking behavior rocking constraint device replaceable damping component sinusoidal test
Research on constraint-based virtual assembly technologies
YANG Rundang, WU Dianliang, FAN Xiumin, YAN Juanqi
《机械工程前沿(英文)》 2007年 第2卷 第2期 页码 243-249 doi: 10.1007/s11465-007-0043-5
关键词: movement DOF recognition algorithm assembly orientation combination
《机械工程前沿(英文)》 2021年 第16卷 第3期 页码 593-606 doi: 10.1007/s11465-021-0636-4
关键词: topology optimization solid isotropic material with penalization transient response aggregation function second-order Arnoldi reduction
多重受限时滞逻辑控制网络的输出跟踪 Research Articles
Ya-ting ZHENG, Jun-e FENG
《信息与电子工程前沿(英文)》 2020年 第21卷 第2期 页码 316-323 doi: 10.1631/FITEE.1900376
Bang-hua YANG,Liang-fei HE,Lin LIN,Qian WANG
《信息与电子工程前沿(英文)》 2015年 第16卷 第6期 页码 486-496 doi: 10.1631/FITEE.1400299
关键词: Ocular artifacts Electroencephalogram (EEG) Electrooculogram (EOG) Brain-computer interface (BCI) Spatial constraint independent component analysis based recursive least squares (SCICA-RLS)
Baoyun ZHAO, Yang LIU, Dongyan LIU, Wei HUANG, Xiaoping WANG, Guibao YU, Shu LIU
《结构与土木工程前沿(英文)》 2020年 第14卷 第2期 页码 322-330 doi: 10.1007/s11709-019-0594-7
关键词: rock-concrete composite specimen contact surface mechanical properties failure mechanism
Pingjian YANG,Feifei DONG,Yong LIU,Rui ZOU,Xing CHEN,Huaicheng GUO
《环境科学与工程前沿(英文)》 2016年 第10卷 第1期 页码 129-140 doi: 10.1007/s11783-014-0683-8
关键词: refined risk explicit interval linear programming decision making objective-constraint uncertainty tradeoff aspiration level Lake Qionghai Watershed
Min YUAN,Bing-xin YANG,Yi-de MA,Jiu-wen ZHANG,Fu-xiang LU,Tong-feng ZHANG
《信息与电子工程前沿(英文)》 2015年 第16卷 第12期 页码 1069-1087 doi: 10.1631/FITEE.1400423
关键词: Compressed sensing (CS) Magnetic resonance imaging (MRI) Uniform discrete curvelet transform (UDCT) Multi-scale dictionary learning (MSDL) Patch-based constraint splitting augmented Lagrangian shrinkage algorithm (PB C-SALSA)
Tahir Nadeem MALIK,Salman ZAFAR,Saaqib HAROON
《信息与电子工程前沿(英文)》 2015年 第16卷 第5期 页码 404-417 doi: 10.1631/FITEE.1400189
关键词: Valve-point effect Prohibited discharge zones Differential evolution Chaotic sequences Constraint handling
输出受限的柔性海洋立管自适应神经网络边界控制 Research Article
余初阳1,楼旭阳1,马艺飞1,叶倩2,张今旗3
《信息与电子工程前沿(英文)》 2022年 第23卷 第8期 页码 1229-1238 doi: 10.1631/FITEE.2100586
标题 作者 时间 类型 操作
Chord error constraint based integrated control strategy for contour error compensation
Tie ZHANG, Caicheng WU, Yanbiao ZOU
期刊论文
Model-based nonlinear control of hydraulic servo systems: Challenges, developments and perspectives
Jianyong YAO
期刊论文
Technology and system of constraint programming for industry production scheduling
Yarong CHEN, Zailin GUAN, Yunfang PENG, Xinyu SHAO, Muhammad HASSEB
期刊论文
Recent development in low-constraint fracture toughness testing for structural integrity assessment of
Jidong KANG, James A. GIANETTO, William R. TYSON
期刊论文
Development of rocking constraint device with vertical damping capacity for three-dimensional base-isolated
期刊论文
Research on constraint-based virtual assembly technologies
YANG Rundang, WU Dianliang, FAN Xiumin, YAN Juanqi
期刊论文
Topology optimization of transient problem with maximum dynamic response constraint using SOAR scheme
期刊论文
Fast removal of ocular artifacts from electroencephalogram signals using spatial constraint independent
Bang-hua YANG,Liang-fei HE,Lin LIN,Qian WANG
期刊论文
Research on the influence of contact surface constraint on mechanical properties of rock-concrete composite
Baoyun ZHAO, Yang LIU, Dongyan LIU, Wei HUANG, Xiaoping WANG, Guibao YU, Shu LIU
期刊论文
risk explicit interval linear programming approach for optimal watershed load reduction with objective-constraint
Pingjian YANG,Feifei DONG,Yong LIU,Rui ZOU,Xing CHEN,Huaicheng GUO
期刊论文
Multi-scale UDCT dictionary learning based highly undersampled MR image reconstruction using patch-based constraint
Min YUAN,Bing-xin YANG,Yi-de MA,Jiu-wen ZHANG,Fu-xiang LU,Tong-feng ZHANG
期刊论文
An improved chaotic hybrid differential evolution for the short-term hydrothermal scheduling problem considering practical constraints
Tahir Nadeem MALIK,Salman ZAFAR,Saaqib HAROON
期刊论文