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...... hiện toàn bộ
#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...... hiện toàn bộ
#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...... hiện toàn bộ
#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 ...... hiện toàn bộ
#Electrohydraulics #Servomechanisms #Fuzzy control #Fuzzy systems #Predictive models #Predictive control #Takagi-Sugeno model #System testing #Nonlinear control systems #Control nonlinearities
Learning and approximate inference of DBNs
Tập 3 - Trang 2291-2296 vol.3
In this paper, the techniques for learning and approximate inference of dynamic Bayesian networks (DBNs) are studied. With respect to the structure learning of DBNs, the EM-EA algorithm is introduced into the learning process of DBNs and the flow of learning DBNs is given out in the presence of the incomplete data and hidden variables. As for the DBNs inference, the difficulties are analyzed that ...... hiện toàn bộ
#Inference algorithms #Bayesian methods #Assembly #Computer science #Mechanical engineering #Electronic mail #Erbium #Intelligent control #Automation
Using boosting mechanism to refine the threshold of VSM-based similarity in text classification
Tập 3 - Trang 2284-2287 vol.3
The vector space model (VSM)-based similarity classifier is the simplest text categorization method. It has a high classification speed, but with low accuracy. The main reason is that the similarity threshold used by the similarity classifier is decided empirically, but not mathematically. This paper introduces a boosting-based mechanism to adaptively compute out relatively accurate similarity thr...... hiện toàn bộ
#Boosting #Text categorization #Error analysis #Laboratories #Intelligent systems #Computer science #Intelligent control #Automation
Intelligent control method and application of cation reverse flotation process
Tập 1 - Trang 635-638 vol.1
According to the complexity of the controlled object, uncertainty of its mathematical model and high requirements of its control quality, this paper introduces an intelligent control method for the cation reverse flotation process. With this method, the system can satisfy the technological requirements.
#Intelligent control #Automatic control #Process control #Helium #Automation
Design of a flexible robot assembly demo system
Tập 2 - Trang 1343-1346 vol.2
In this paper, a flexible robot assembly system designed for demonstrating advanced technologies, such as CAD/CAM, flexible assembly systems (FAS) and material management technology in CIMS is introduced. On the basis of a principle embodying flexibility of manufacturing and assembly, a system that can assemble two different kinds of products without any modification is designed. The system is com...... hiện toàn bộ
#Robotic assembly #Assembly systems #Design automation #Computer aided manufacturing #CADCAM #Birth disorders #Technology management #Computer integrated manufacturing #Distributed control #Software systems
The big capacity boiler superheated steam temperature fuzzy-smith control system
Tập 3 - Trang 1872-1876 vol.3
Because the boiler steam temperature control has strong dynamic delay and inertia and time-varying nonlinear property, the control plan of combining the guidance differential double loop with fuzzy-smith expected compensation is used. Simulation results show that the control system has better performance and stronger adaptive capability than the conventional control plan. It can raise its robustne...... hiện toàn bộ
#Boilers #Temperature control #Control systems #Nonlinear control systems #Automatic control #Power engineering and energy #Educational institutions #Nonlinear dynamical systems #Delay #Time varying systems