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In this paper Field Programmable Gate Array (FPGA) system level based methodology for control system design is proposed and described in details on the case study of three-axis positioning controller implementation. System level design tool, such as Xilinx System Generator (XSG), provides Simulink based FPGA design and automatic converting of XSG model into efficient Very high speed integrated circuit...
A novel idea of implementation of digital controller for non-inverting buck-boost converter using run-time self reconfiguration of Field Programmable Gate Array (FPGA) is presented in this paper. FPGA reconfigures itself in real time to change the control strategy as per the input voltage variations to operate the converter either in buck mode or in boost mode or as a combination of buck and boost...
This paper presents an efficient design of a processor-based PDP timing controller that supports multiple high frequency control signal channels in multi-clock domain. We implemented a prototype system using the proposed design on FPGA attached to 42-inch and 50-inch PDP panels with HD resolution.
This paper describes a combined Pulse Width Modulation (PWM)-Pulse Frequency Modulation (PFM) technique implemented in a Field Programmable Gate Array (FPGA) to control DC-DC converters. This technique changes the mode of operation from PWM to PFM with the change in the load condition. The efficiency of the proposed technique is determined by implementing a DC-DC converter and calculating the conduction...
This paper discusses development of embedded controllers on a reconfigurable multiprocessor system using Field Programmable Gate Array (FPGA) technology. The system is reconfigurable in hardware and software in the sense that certain components may be reused in different applications; hence allowing rapid development of embedded control systems. Concurrent real-time operation can be achieved by utilizing...
This paper proposes a new method based on fuzzy logic theory to adjust the pulse width of PWM (Pulse Width Modulation) control in digital redesign and to implement it by FPGA (Field Programmable Gate Array) chip. The GA (Genetic Algorithm) is utilized to adjust the parameters of fuzzy logical system such that output response of controlled hybrid system closely matches with that of analog system.
A holistic approach to the modeling of integrated renewable energy systems is presented. The method is using the DK5 modeling / design environment from Mentor Graphics and is based on the new Handel-C programming language. The goal of the work carried out was to achieve a combined model of a photovoltaic energy system and a wind power system, enabling an optimised holistic digital control system design,...
The current paper is meant to display a development procedure for a Simulink/Matlab library with parameterized components which can be implemented in FPGA circuits. The usage of the library components shall ease and shorten the time for design and hardware implementation of a loop control for direct current motors. The system generator toolbox is to be used as a work environment in designing the parameterized...
This paper is concerned on FPGA design for control implementations of the Single-Phase Matrix Converter (SPMC) operating as a single-phase Inverter. The Sinusoidal Pulse Width Modulation (SPWM) technique is used to synthesize the output voltage with. The power circuit uses the Insulated Gate Bipolar Transistor (IGBT) as switching device in the SPMC implementation. Safe-commutation strategy was incorporated...
This paper proposes a novel digital hardware control motor drive system using a FPGA (Field Programmable Gate Array) device. We implement not only a current minor loop but also a speed control loop in the hardware device. We achieve 5 mus period for speed control system of AC motor drive including dq transformation, decoupling control and dead-time compensator, and as a result current ripple and the...
In this paper, a radial basis function (RBF) neural network is implemented as a system on a programmable chip (SOPC) to carry out maximum power point tracking (MPPT) for photovoltaic (PV) control systems. The implementation of the SOPC can provide a traditional proportional integral derivative (PID) controller and some additional hardware like a pulse width modulation (PWM) generator by a general...
In this paper, a generalized pulse width (PW) modulator is proposed which can control three-leg center-split voltage source inverters (VSIs) and four-leg VSIs from two-level to multilevel topologies. VSIs with a neutral wire connection are important for power electronics applications in three-phase four-wire systems, such as active power filters and uninterruptible power supplies. For medium and large...
In this paper, we present a field programmable gate array (FPGA) based high-performance gait control system for passive bipedal robots with complex mechanical structures and multiple degrees of freedoms in body and limbs. The system utilizes the hardware and software reconfigurable feature of the advanced FPGA device to achieve intelligent bipedal gait control. We implement central processing unit,...
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