Proceedings of the 4th World Congress on Intelligent Control and Automation (Cat. No.02EX527)
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Matrix bounds for the coupled algebraic Riccati equation
Tập 1 - Trang 180-183 vol.1
In this note, we propose lower and upper matrix bounds for the positive semidefinite solution of the unified coupled algebraic Riccati equation (UCARE). Using the results of this note, computational algorithms to solve the UCARE can be established.
#Riccati equations #Control systems #Linear matrix inequalities #Automation #Eigenvalues and eigenfunctions #Algorithm design and analysis #Laboratories #Industrial control #Industrial electronics #Matrices
Model identification and PID control of long time-delay processes
Tập 2 - Trang 900-904 vol.2
A relay feedback identification auto-tuning of PID/PI controller is proposed in this paper, which is capable of controlling long time-delay processes. The real process is approximated via FOPDT or SOPDT models, whose parameters are specified through a modified relay feedback identification method. Applying the zero-pole cancellation principle, the PID/PI controller is tuned according to the specif......
#Three-term control #Relays #Feedback #Automatic control #Automation #Tuning #Mathematical model #Robust control #Process control #Parameter estimation
Simulated robotic hot-line maintenance based on virtual reality
Tập 2 - Trang 1231-1235 vol.2
We construct a simulation system for a live line maintenance robot using virtual reality. The simulation system uses the same input devices and controllers as a real robot system. It provides functions of operator training, human-machine intelligent control simulation, and robotic trajectory simulation. Those simulation data can activate the real robot. The simulation system framework and modeling......
#Virtual reality #Intelligent robots #Robotics and automation #Intelligent control #Partial response channels #Robot control
Design of a mixed distributed computer control system
Tập 4 - Trang 2782-2785 vol.4
In the field of industrial automation, fieldbus is changing the traditional DCS's important position and the architecture of distributed computer control system. However, it is not the time that fieldbus is popularized widely in China because of the factors of economy, technology and industrial automatic level. Therefore, this paper presents a mixed distributed computer control system that is comp......
#Distributed computing #Distributed control #Control systems #Field buses #Automatic control #Communication system control #Electrical equipment industry #Computer industry #Industrial control #Automation
Study on electrohydraulic servo loading system using fuzzy model based predictive control with multi-step linearization
Tập 1 - Trang 312-315 vol.1
Aimed at a multi-channel loading system, a fuzzy model based predictive control with multi-step linearization scheme is proposed. Using a Takagi-Sugeno fuzzy model as a predictive model of the loading system, a linearized fuzzy model with multi-step, the predictive control is applied to the loading system. The result of tests show that this scheme can effectively overcome the unknown influence of ......
#Electrohydraulics #Servomechanisms #Fuzzy control #Fuzzy systems #Predictive models #Predictive control #Takagi-Sugeno model #System testing #Nonlinear control systems #Control nonlinearities
Reheated temperature adaptive fuzzy control system of unit
Tập 1 - Trang 391-395 vol.1
The purpose of this paper is to solve the control problem on the reheated temperature of unit which has such characteristics of time-varying, time delay and multi-disturbance, etc. The traditional control and general fuzzy control are difficult to dispose these matters that the model is time-varying, and the fuzzy rule number increases sharply with the increasing systemic variable number, so that ......
#Adaptive systems #Programmable control #Adaptive control #Fuzzy control #Temperature control #Delay effects #Time varying systems #Fuzzy systems #Error correction #Monitoring
Improve on recognition algorithms of RoboCup
Tập 1 - Trang 515-518 vol.1
This paper proposes some solutions to improve on recognition algorithms of RoboCup, which is including methods to improve recognition efficiency, recognition precision, and to restrain effect caused by reflex. Multiresolution scanning and dynamic window technique can be used to improve efficiency and precision. In order to restrain effect of reflex, gray-level threshold will be self-adaptive. This......
#Mobile robots #Robot vision systems #Cameras #Color #Histograms #Gaussian noise #Educational institutions #Automobiles #Vehicle dynamics #Calibration
Color-defect classification for printed-matter visual inspection system
Tập 4 - Trang 3261-3265 vol.4
An automatic defect classification method that pays attention not only to shape-defects but also to color-defects as well is proposed for a printed-matter visual-inspection device. The required characteristic of the shape-defect classification is to have an automatic select function of the feature variable which removes the unnecessary characteristics-parameter space to use few learning data effic......
#Inspection #Printing #Shape #Intelligent systems #Mechanical systems #Systems engineering and theory #Color #Ink #Signal processing #Graphics
Modeling of an optical fiber sensor with piezoelectric ZnO coating
Tập 1 - Trang 708-711 vol.1
An electrical model of the optical fiber acousto-optic sensor (OFS) coated with piezoelectric ZnO has been presented. The geometry of the optical fiber using ZnO coating has been firstly described and the basic theory of piezoelectric resonator of this geometry been analyzed. Then full details for the development of the electrical model based on the actual cylindrical nature of OFS have been discu......
#Optical fiber sensors #Zinc oxide #Coatings #Optical fiber polarization #Optical fibers #Optical fiber devices #Optical resonators #Optical sensors #Electrodes #Geometrical optics
Sensor fusion in mobile robot: some perspectives
Tập 2 - Trang 1194-1199 vol.2
In this paper, techniques and theory work of multiple sensor fusion in mobile robot are reviewed. Mobile robot needs to integrate multiple sensors to accomplish tasks such as map building, object recognition, obstacle avoidance, self-localization and path planning. Our survey describes sensor fusion in three categories: 1) statistically based fusion algorithm policies need the a priori knowledge a......
#Sensor fusion #Mobile robots #Inference algorithms #Neural networks #Object recognition #Path planning #Fuzzy neural networks #Fuzzy sets #Statistical distributions #Kalman filters