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Landing control method of a lightweight four-legged landing and walking robot

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 4, doi: 10.1007/s11465-022-0707-1

Abstract: A landing control method via compliance control is proposed to solve the critical problem of impact energy

Keywords： landing and walking robot     lunar exploration     buffer landing     compliance control    

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New method for efficient control of hydrogen sulfide and methane in gravity sewers: Combination of NaOH

Frontiers of Environmental Science & Engineering 2022, Volume 16, Issue 6, doi: 10.1007/s11783-021-1509-0

Abstract:

• The combination of NaOH and nitrite was used to control harmful gas

Keywords： Sewer corrosion     Sulfide control     Combination treatment     NaOH     Nitrite    

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Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Frontiers in Energy   Pages 782-795 doi: 10.1007/s11708-023-0905-8

Abstract: The traditional centralized control method of the distribution network has the problem of low efficiencyTo address the problems, this paper proposes a cluster voltage control method for distributed photovoltaicThen, in each cluster, based on the control strategy of “reactive power compensation first, active powerlater,” it employs an improved differential evolution (IDE) algorithm based on Cauchy disturbance to controlSimulation results in two different distribution systems show that the proposed method not only greatly

Keywords： distributed photovoltaics (DPVs)     cluster partitioning     improved differential evolution algorithm     voltage control    

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A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Frontiers of Structural and Civil Engineering 2010, Volume 4, Issue 3,   Pages 277-286 doi: 10.1007/s11709-010-0072-8

Abstract: The advances in compensation methods based on adaptive control theory enable researchers to accommodatevariable actuator delay and achieve good actuator control for real-time tests.This paper presents a model reference adaptive control based method to identify the parameter of a simplifieddiscrete model for servo-hydraulic dynamics and the resulting compensation method.numerical analysis and experimental results to evaluate the effectiveness of the proposed estimation method

Keywords： real-time testing     actuator delay     compensation     adaptive control     MIT rule     discrete transfer function    

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New method for computer numerical control machine tool calibration: Relay method

LIU Huanlao, SHI Hanming, LI Bin, ZHOU Huichen

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 3,   Pages 301-304 doi: 10.1007/s11465-007-0053-3

Abstract: Relay measurement method, which uses the kilogram-meter (KGM) measurement system to identify volumetricerrors on the planes of computer numerical control (CNC) machine tools, is verified through experimentalThe process outlined above is called the relay method.Test results indicate that the accuracy and repeatability are high, and the method can be used to calibrate

Keywords： positional     volumetric     information     process     repeatability    

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Trajectory planning of mobile robots using indirect solution of optimal control method in generalized

M. NAZEMIZADEH, H. N. RAHIMI, K. AMINI KHOIY

Frontiers of Mechanical Engineering 2012, Volume 7, Issue 1,   Pages 23-28 doi: 10.1007/s11465-012-0304-9

Abstract:

This paper presents an optimal control strategy for optimal trajectory planning of mobile robots byThen, the optimal path planning of the mobile robot is formulated as an optimal control problem.To solve the problem, an indirect solution of the optimal control method is employed, and conditionssimulations are performed for a nonholonomic mobile robot to illustrate effectiveness of the proposed method

Keywords： mobile robot     trajectory planning     nonlinear dynamic     optimal control    

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Numerical study and control method of interaction of nucleation and boundary layer separation in condensing

Liansuo AN , Zhi WANG , Zhonghe HAN ,

Frontiers in Energy 2009, Volume 3, Issue 3,   Pages 254-261 doi: 10.1007/s11708-009-0047-4

Abstract: Stokes viscous flow solution procedure and the process of condensation was calculated by the quadrature methodA method for controlling homogeneous nucleation and for reducing degree of flow separation in high-speedThe numerical study provides a practical design method for turbine blade to reduce wetness losses.

Keywords： wet steam     two-phase flow     spontaneous condensation     numerical simulation     flow separation     profile loss    

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Design Method and Numerical Control Machining Principle for an Arbitrary n-polygon Noncircular Section

WU Yi-jie, LENG Hong-bin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 1,   Pages 71-75 doi: 10.1007/s11465-005-0005-8

Abstract: were set up, and a theorem for designing this kind of sections was deduced by mathematical induction methodBased on the mechanistic transmission principle, the control theorems for the numerical control (NC)grinding of arbitrary n-polygon noncircular sections and the control model for the multicoordinateA feed rate selfadjusting method was proposed to uniform the grinding speed with the changes of sectionalThe results prove that the proposed theorems and method can effectively direct the design and manufacture

Keywords： manufacture     multicoordinate     characteristic     polygonal noncircular     mechanistic transmission    

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A new method for boring of non-circular holes

ZHANG Kai, HU De-jin

Frontiers of Mechanical Engineering 2006, Volume 1, Issue 4,   Pages 456-460 doi: 10.1007/s11465-006-0058-3

Abstract: linearization of the actuation force near the static action point, a linear relationship between the controlcurrent and the actuation force was established, and the synchronizing control method of the electromagneticWith two-factor analysis of the linearization error of the actuation force, the influences of controlof the mechanism indicates that the relationship between the micro-displacement of the rotor and the controlSimulation tests show that the turning radius of the rotor changes with the control current.

Keywords： electromagnetic actuation     control method     displacement     flexible body     revolving electromagnetic    

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The research on method of geometry-control during erection of the short-line bridge

Wang Min,Zhang Yongtao,Liu Jinghong,Liu Yi,Huang Yue

Strategic Study of CAE 2009, Volume 11, Issue 11,   Pages 79-81

Abstract:

Focus on error control during fabricating and suspended splicing of boxgirders with segmentation method.of the error reasons, and the combination with practical engineering—Sutong B2, it discussed controlmethod, computing method and sensitive analysis method of linear control of prefabricated pre-stressedcontinuous beam bridge assembly with short line method.

Keywords： geometry-control     error analysis     least square method     erection of the short-line method    

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Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Frontiers of Mechanical Engineering 2009, Volume 4, Issue 3,   Pages 242-251 doi: 10.1007/s11465-009-0068-z

Abstract: smart structures, have many outstanding advantages for sensors and actuators, especially in vibration controlSemi-active vibration control based on state switching and pulse switching has been receiving much attentionIn this review article, the principles of the semi-active control methods based on switched shunt circuit, including state-switched method, synchronized switch damping techniques, and active control theory-basedMoreover, the future directions of research in semi-active control are also summarized.

Keywords： smart structure     semi-active method     vibration control     piezoelectric actuator    

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A Control System Based on the Lagrange Modeling Method for a Single Link Rotary Inverted Pendulum

Wu Aiguo,Zhang Xiaoming,Zhang Zhao

Strategic Study of CAE 2005, Volume 7, Issue 10,   Pages 11-15

Abstract:

In this paper the design and realization of the rotary inverted pendulum (RIP) control system is presentedAfter analyzing its dynamic characteristics, the system model based on Lagrange method is devised.Simulation and experimental results are presented to show the stable and robust responses of the control

Keywords： rotary inverted pendulum     Lagrange method     LQR control strategy    

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A naive optimization method for multi-line systems with alternative machines

Weichang KONG, Fei QIAO, Qidi WU

Frontiers of Mechanical Engineering 2019, Volume 14, Issue 4,   Pages 377-392 doi: 10.1007/s11465-019-0544-z

Abstract: A naive optimization method is proposed in accordance with classic feedback control theory, and its keyWhen a reasonable target value is provided, the proposed method can realize closed-loop optimizationResults show that the proposed method can effectively and efficiently optimize various objective performanceThe method demonstrates a potential for utilization in multi-objective optimization.

Keywords： multi-line systems     alternative machines     feedback control     closed-loop optimization    

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Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Frontiers of Structural and Civil Engineering 2021, Volume 15, Issue 1,   Pages 244-252 doi: 10.1007/s11709-021-0696-x

Abstract: In this paper, a coupled multi-body dynamics–discrete element method is proposed to simulate the dampingThe analyses are done by combining the discrete element method in EDEM and multi-body dynamics in ADAMS

Keywords： granular material     vibration control     discrete element method     particle damper     cable vibration    

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Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Frontiers in Energy 2015, Volume 9, Issue 4,   Pages 399-412 doi: 10.1007/s11708-015-0374-6

Abstract: affected by the selection of different base values for the DC quantities and adoption of different controlIn a similar manner, the control strategy adopted for the DC link also affects the power-flow convergenceThe sequential method is used to solve the DC variables in the Newton Raphson (NR) power flow model,Now, for a majority of the possible control strategies, the equivalent real and reactive power injectionsTwo different per-unit system models and six typical control strategies are taken into consideration.

Keywords： AC-DC power-flow     Newton-Raphson method     high voltage direct current (HVDC) control strategy    

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Title Author Date Type Operation

Landing control method of a lightweight four-legged landing and walking robot

Journal Article

New method for efficient control of hydrogen sulfide and methane in gravity sewers: Combination of NaOH

Journal Article

Cluster voltage control method for “Whole County” distributed photovoltaics based on improved differential

Journal Article

A model reference adaptive control based method for actuator delay estimation in real-time testing

Cheng CHEN, James M. RICLES

Journal Article

New method for computer numerical control machine tool calibration: Relay method

LIU Huanlao, SHI Hanming, LI Bin, ZHOU Huichen

Journal Article

Trajectory planning of mobile robots using indirect solution of optimal control method in generalized

M. NAZEMIZADEH, H. N. RAHIMI, K. AMINI KHOIY

Journal Article

Numerical study and control method of interaction of nucleation and boundary layer separation in condensing

Liansuo AN , Zhi WANG , Zhonghe HAN ,

Journal Article

Design Method and Numerical Control Machining Principle for an Arbitrary n-polygon Noncircular Section

WU Yi-jie, LENG Hong-bin

Journal Article

A new method for boring of non-circular holes

ZHANG Kai, HU De-jin

Journal Article

The research on method of geometry-control during erection of the short-line bridge

Wang Min,Zhang Yongtao,Liu Jinghong,Liu Yi,Huang Yue

Journal Article

Semi-active vibration control using piezoelectric actuators in smart structures

Jinhao QIU, Hongli JI, Kongjun ZHU

Journal Article

A Control System Based on the Lagrange Modeling Method for a Single Link Rotary Inverted Pendulum

Wu Aiguo,Zhang Xiaoming,Zhang Zhao

Journal Article

A naive optimization method for multi-line systems with alternative machines

Weichang KONG, Fei QIAO, Qidi WU

Journal Article

Application of coupled multi-body dynamics–discrete element method for optimization of particle damper

Danhui DAN, Qianqing WANG, Jiongxin GONG

Journal Article

Impact of selection of DC base values and DC link control strategies on sequential AC-DC power-flow convergence

Shagufta KHAN,Suman BHOWMICK

Journal Article