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Integrated virtual-design methods for forecasting radiated noise of single cylinder diesel block

GUO Lei, HAO Zhiyong, XU Hongmei, LIU Lianyun

Frontiers in Energy 2008, Volume 2, Issue 4, Pages 416-421 doi: 10.1007/s11708-008-0097-z

Abstract: The two cycle dynamical results, such as the bearing load, the piston thrust, and the load spatial distributionetc., were obtained by hybrid dynamical simulation of the flexible assembly of the block and crank-train

Keywords： bearing dynamical frequency response dynamical simulation hybrid dynamical

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Dynamical analysis of droplet impact spreading on solid substrate

Zhaomiao LIU, Huamin LIU, Xin LIU,

Frontiers of Mechanical Engineering 2010, Volume 5, Issue 3, Pages 308-315 doi: 10.1007/s11465-010-0020-2

Abstract: This paper investigates the impact spreading of a droplet on a solid substrate using numerical simulation

Keywords： droplet impact spreading numerical simulation

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Traditional Chinese medicine: potential approaches from modern dynamical complexity theories

Yan Ma,Kehua Zhou,Jing Fan,Shuchen Sun

Frontiers of Medicine 2016, Volume 10, Issue 1, Pages 28-32 doi: 10.1007/s11684-016-0434-2

Abstract: TCM views the human body as a complex dynamical system, and focuses on the balance of the human body,Only methods that quantify dynamical complexity can bring new insights into the evaluation of TCM.article aims to explain the existing challenges in TCM quantification, to introduce the consistency of dynamical

Keywords： traditional Chinese medicine quantification dynamical complexity system level balance modern sciences

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Applications of dynamical complexity theory in traditional Chinese medicine

Yan Ma,Shuchen Sun,Chung-Kang Peng

Frontiers of Medicine 2014, Volume 8, Issue 3, Pages 279-284 doi: 10.1007/s11684-014-0367-6

Abstract: This difficulty arises from the fact that TCM views human body as a complex dynamical system, and focusesThe dynamical complexity theory recently proposed and its computational algorithm, Multiscale EntropyWe believe that there could be many promising applications of this dynamical complexity concept in TCM

Keywords： traditional Chinese medicine Multiscale Entropy dynamical complexity system level applications

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Dynamical Modeling and Numerical Simulation of the Environmentally Friendly Water Hydraulic Percussive

Yue Wenhui,Liu Deshun,Wu xianming,Zhu Pingyu,Li Xibing

Strategic Study of CAE 2007, Volume 9, Issue 8, Pages 57-61

Abstract: dynamics of the percussive drill is modeled by means of elastic bars and springs, and microcomputer simulation

Keywords： impact wave mechanics simulation water hydraulic percussive drill

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Dynamical Fast IP-Routing Lookup Algorithm

Liu Yalin

Strategic Study of CAE 2002, Volume 4, Issue 7, Pages 60-68

Abstract:

This paper proposes a dynamical fast IP-routing lookup algorithm (DFR).

Keywords： prefix expansion dynamical fast IP-routing lookup algorithm (DFR) route route lookup

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Output tracking control of mobile manipulators based on dynamical sliding-mode control

WUYuxiang, FENG Ying, HU Yueming

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 1, Pages 110-115 doi: 10.1007/s11465-007-0019-5

Abstract: A dynamical sliding-mode controller is devised to track the output of mobile manipulators.Moreover, a design method of the dynamical sliding-mode controller that is applied to the output trackingThe simulation results indicate that the dynamical sliding-mode controller can not only track the given

Keywords： lower-dimensional nonlinear trajectory tracking diffeomorphism

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Asurvey on complex dynamical networkswith impulsive effects Review Articles

Xiu-ping HAN, Yong-shun ZHAO, Xiao-di LI

Frontiers of Information Technology & Electronic Engineering 2020, Volume 21, Issue 2, Pages 199-219 doi: 10.1631/FITEE.1900456

Abstract: We review the research on complex dynamical networks (CDNs) with impulsive effects.

Keywords： Complex dynamical networks Synchronizing impulses Desynchronizing impulses Pinning control Time delay

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An integrated approach for machine-learning-based system identification of dynamical systems under control

Frontiers of Chemical Science and Engineering 2022, Volume 16, Issue 2, Pages 237-250 doi: 10.1007/s11705-021-2058-6

Abstract: Advanced model-based control strategies, e.g., model predictive control, can offer superior control of key process variables for multiple-input multiple-output systems. The quality of the system model is critical to controller performance and should adequately describe the process dynamics across its operating range while remaining amenable to fast optimization. This work articulates an integrated system identification procedure for deriving black-box nonlinear continuous-time multiple-input multiple-output system models for nonlinear model predictive control. To showcase this approach, five candidate models for polynomial and interaction features of both output and manipulated variables were trained on simulated data and integrated into a nonlinear model predictive controller for a highly nonlinear continuous stirred tank reactor system. This procedure successfully identified system models that enabled effective control in both servo and regulator problems across wider operating ranges. These controllers also had reasonable per-iteration times of ca. 0.1 s. This demonstration of how such system models could be identified for nonlinear model predictive control without prior knowledge of system dynamics opens further possibilities for direct data-driven methodologies for model-based control which, in the face of process uncertainties or modelling limitations, allow rapid and stable control over wider operating ranges.

Keywords： nonlinear model predictive control black-box modeling continuous-time system identification machine learning industrial applications of process control

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Novel interpretable mechanism of neural networks based on network decoupling method

Frontiers of Engineering Management 2021, Volume 8, Issue 4, Pages 572-581 doi: 10.1007/s42524-021-0169-x

Abstract: Our simulation and theoretical results fully demonstrate this interesting phenomenon.

Keywords： neural networks interpretability dynamical behavior network decouple

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Dynamical research on spherical micro actuator with piezoelectric ceramic stacks drivers

ZHANG Ruihua, CHEN Haichu

Frontiers of Mechanical Engineering 2007, Volume 2, Issue 4, Pages 433-438 doi: 10.1007/s11465-007-0074-y

Abstract: Second, The Runge-Kutta arithmetic is used to calculate the dynamical parameters of the micro actuator; the SIMULINK module of MATLAB is used to build the dynamical simulating model and then simulate it.

Keywords： spherical micro-gripper friction coefficient dynamic frequency

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Review of human–robot coordination control for rehabilitation based on motor function evaluation

Frontiers of Mechanical Engineering 2022, Volume 17, Issue 2, doi: 10.1007/s11465-022-0684-4

Abstract: As a wearable and intelligent system, a lower limb exoskeleton rehabilitation robot can provide auxiliary rehabilitation training for patients with lower limb walking impairment/loss and address the existing problem of insufficient medical resources. One of the main elements of such a human–robot coupling system is a control system to ensure human–robot coordination. This review aims to summarise the development of human–robot coordination control and the associated research achievements and provide insight into the research challenges in promoting innovative design in such control systems. The patients’ functional disorders and clinical rehabilitation needs regarding lower limbs are analysed in detail, forming the basis for the human–robot coordination of lower limb rehabilitation robots. Then, human–robot coordination is discussed in terms of three aspects: modelling, perception and control. Based on the reviewed research, the demand for robotic rehabilitation, modelling for human–robot coupling systems with new structures and assessment methods with different etiologies based on multi-mode sensors are discussed in detail, suggesting development directions of human–robot coordination and providing a reference for relevant research.

Keywords： human–robot coupling lower limb rehabilitation exoskeleton robot motor assessment dynamical model

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The extension of simulation —— from system simulation to domain simulation

28 Nov 2020

Keywords：仿真技术

The development of aerodynamics & configurationtechnology for large aircraft

Zhang Yanzhong

Strategic Study of CAE 2009, Volume 11, Issue 5, Pages 4-17

Abstract:

The paper introduced the development of aerodynamics & configuration technology for large aircraft.The technique of fuselage and the advanced aerodynamics configuration — blended wing body (BWB) were described. The impact of aerodynamics & configuration technology on safety, economical, comfortable and environmental characters for large aircraft was analyzed.The proposal for enhancing the research of aerodynamics in China was presented.

Keywords： aerodynamics super critical foil winglet laminar flow technique BWB CFD wind tunnel technique aero dynamical

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Development and Application of Simulation Technology

Wang Zicai

Strategic Study of CAE 2003, Volume 5, Issue 2, Pages 40-44

Abstract:

This paper discusses the developing process of simulation technology in view of its development, maturationThen this paper introduces the application of simulation technology in the fields of national economyFinally, this paper analyzes the level and status quo of home and overseas simulation technology, and

Keywords： simulation technology system simulation hardware in loop simulation distributed interactive simulation