نتایج جستجو برای: programmable logic controllers
تعداد نتایج: 205092 فیلتر نتایج به سال:
In this document we carry out a comparative analysis of the application of Fuzzy Logic Controllers (hereinafter FLCs), Fuzzy Temporal Rules-Based Controllers (hereinafter FTRCs), Temporal Fuzzy Logic Controllers (hereinafter TFLCs) and Faded Temporal fuzzy Logic Controllers (hereinafter FTFLCs), to improve the adaptive distributed routing. To obtain a good knowledge base the controllers were ev...
This paper presents an adaptive neuro-fuzzy controller ANFIS (Adaptive Neuro-Fuzzy Inference System) for a bilateral teleoperation system based on FPGA (Field Programmable Gate Array). The proposed controller combines the learning capabilities of neural networks with the inference capabilities of fuzzy logic, to adapt with dynamic variations in master and slave robots and to guarantee good prac...
The paper deals with the problems of safe solutions railway traffic control systems, using example modern protection systems applied at level crossings. need for reliable, and devices has forced manufacturers in industry to use high quality microprocessors their structures. Devices used safety intersections railroads roadways one shall be absolutely operational reliable. Such are automatic cros...
The indoor human comfort, working efficiency and health are dependent on the control of the quality of air in a heating-ventilation and air-conditioning (HVAC) system. The aim of present paper is to improve this control considering the most important variables – the air temperature, relative humidity and concentration of carbon dioxide by applying fuzzy logic and genetic algorithms (GAs) for co...
The design and implementation of a fuzzy logic controller (FLC) are presented, offering solution to improve the irrigation rose crops. objective is reduce water consumption operative costs, taking advantage intelligent controllers environmental characteristics in specific region. Considering that main controllable variables affect growth plants relative humidity (RH) temperature (T), this study...
......The off-chip memory subsystem is a significant performance, power, and quality-of-service (QoS) bottleneck in modern computers, necessitating a high-performance memory controller that can overcome DRAM (dynamic randomaccess memory) timing and resource constraints by orchestrating data movement between the processor and main memory. Contemporary DDRx (double data rate memory interface tech...
This paper is a short survey about the main fuzzy Petri net models which have been recently developed. We focus on the applicability of such approaches in the eld of manufacturing systems and factory automation. We also point out the main issues concerning the consistency of Petri net theory and these models. 1.1 Why Fuzzy Petri nets are useful for CIME? Factory automation has been addressed at...
Voltage regulator modules (VRM) need to have low output voltage ripple and tight efficiency power advanced microprocessors. This paper explains a phase shedding technique enhance its impact on ripple. In this study, analysis was done 4-phase buck converter which is having an input of 45-65 V delivers 9 V, 12A with switching frequency 200Khz. The control scheme suitable for applications such as ...
This paper describes a visual interactive simulation system of technological processes intended for the development and execution of simulation and emulation models for automated process control systems in coal mining. A set of simulation models of various subsystems of a mine was developed with the help of this simulation system. These models united to create simulation environment. Simulation...
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