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In case of the decision of the task of design of automated control systems for crucial objects, a minimum possible level of risks at uncontrollable interference in the processes of functioning of these systems, and also minimization of negative consequences from a similar interference in the course of its operation are required. In connection with this, on the basis of the system theory of conflict...
This paper proposes a motion trajectory control method of underground intelligent scraper based on particle swarm optimization. The simulation model of whole system was established in simulink according to autonomous navigation bivariate PID control algorithm and scraper motion control model. The process of particle swarm optimization was designed based on MATLAB platform. The parameter optimization...
In this work, it is aimed to control the output of Buck Converter which steps down a DC voltage level. Discrete Time PI Algorithm is chosen as control algorithm. The controller parameters of Kp and Ki is calculated by means of the optimization process to increase the efficiency of power transmission of Buck Converter instead of classical methods like Pole Placement Method. It is chosen Shuffled Frog...
Cyber Physical Systems (CPS) use emerging computing, communication, and control methods to monitor and control geographically dispersed critical system components to allow a high level of confidence about their operation. Simulation methods are frequently used in testing such critical system components, however, it might not be adequate to show the absence of errors given the complexity of the system...
In this paper an algorithm for modal control of linear time-invariant (LTI) discrete system is proposed to improve the quality of the processes and achieve the desired stability degree of the system. For this purpose the suggested algorithm is calculating the feedback state vector for a single-input single-output (SISO) system so that the closed loop poles to be distributed into a predefined sector...
The article describes the synthesis of a control system of a hermetic electromechanical converter with respect to the complex security systems. We take into account the design features of the controlled object based on a fuzzy logic controller. We carried out the comparison of the transients which are character for the classical and fuzzy controllers with different algorithms.
Nowadays, research and development for optimal setting control (OSC) of complex industrial processes is becoming a hot topic. However, there is no configurable software for OSC design. In this paper, a novel software platform is proposed. The major superiority is that it not only integrates intelligent and data-driven mainstream algorithms within a unified framework, but also provides a powerful controller...
Article is devoted to the questions of improving work quality of regulators with proportional-integral-differential and proportional-integral laws of controlling technological processes. The quality classical law of regulation can be improved using non-linear control loop for the difference between the set value and the actual value. At a preliminary investigation phase two non-linear functions (polygonal...
This paper investigates the design of adaptive controllers for such applications that could be modeled by low order dynamics with some parameters uncertainties. Some of the control applications that fall into this category include industrial processes (e.g. level, flow, pressure, etc.) and some automotive applications (e.g. active suspension). The paper introduces two different design techniques and...
There is presented PLC-PIDTuner application developed for tuning PID controller in S7 Simatic PLCs. It allows plant identification, calculation of controller parameters and verification of the control system using different quality indexes. It provides data collection from the real process and computer simulation of designed control system. Such solution allows to customize systems properties without...
The concept of control of wide class of plants with use of modified MFC (Model Following Control) structure has been proposed. The primary loop in MFC structure contains so-called “associated model”. This model is controlled by algorithm which makes that process of generation of consecutive amplitudes of model reference response is governed by timevariable time-scale depending on error signal. The...
This paper is a part of work on the attempt to implement the continuous control system which dynamically derives the control law during its operation, on basis of a model-based control algorithm. The measurements obtained from the sensors are dynamically included or excluded depending on the availability of individual sensors. The prototype application was developed in the JADE environment, and its...
The existing group consensus models for solving the group decision making (GDM) problems with [0,1] reciprocal preference relations are always on the basis of absolute deviation measures. In this paper, we define the individual consistency accuracy index and the group consensus accuracy index based on the relative deviation measure, which can measure the relative precision of difference among the...
Shaft parts are widely used in machinery industry, however, bending deformation often occurred when this kind of parts is being heat treated. This parts needs to be straightened in order to meet the requirement of straightness. As for the pressure straightening process, A good straightening stroke algorithm is related to the precision and efficiency of straightening process. In this paper, the relationship...
This paper presents the results of testing an advanced control method, Internal Model Control (IMC) on wastewater pH neutralization process. Because the process has a strong nonlinearity it was modeled using different linear models for different operating ranges so that the IMC controller can use the adequate model parameter values according to the current operating range. The results obtained using...
In this paper, nature inspired firefly algorithm has been used for designing of controllers for set-point response and stability purpose. Using firefly algorithm, we have tuned the parameters of above two controllers. A performance criteria integral square error (ISE) is optimized using firefly optimization technique. For the optimum value of ISE, controller parameters are selected. Routh Stability...
The classical (non-adaptive) Dynamic Matrix Control (DMC) algorithm is designed and tuned for a chosen operating point of the nonlinear plant. Hence, the performance of the control system may be deteriorated in a wide range of operating levels. The paper discusses a possibility of using an adaptive Dynamic Matrix Control (DMC) for a hydraulic nonlinear plant. Depending on the current value of the...
A specific efficient solution of constrained system outputs is presented. The solution is based on on-line weighting of individual system outputs or output components representing in fact a specific on-line tuning/applification of the components of weighting control parameters. Thus, the predictive control design retains flexibility without any increase of time-computational demands. The proposed...
A heat exchanger is a specialized device that assists in the transfer of heat from one fluid to the other. In some cases, a solid wall may separate the fluids and prevent them from mixing. In other designs, the fluids may be in direct contact with each other. Heat exchangers are requisite in a range of industrial technologies, particularly in the energetic, chemical, polymer and rubber industry. Heat...
This article deals with the speed control of DC motor using a Fractional Order Proportional Integral (FOPI) controller. In this paper, the Particle Swarm Optimization algorithm (PSO) is implemented to optimally tune the controller gains of the FOPI controller for setpoint tracking and disturbance rejection where the optimization performance index is taken as Integral Time Weighted Absolute Error (ITAE)...
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