The system shall permit control and dataacquisition functions to be distributed to remote plant locations with the operator interface consoles located in the control room. Lecture note on microprocessor and microcontroller theory. Chapter 2 introduction to microprocessorbased control objectives after studying this chaptet you should be able to unalerstand what a microprocessor is. In one exemplary embodiment, a microprocessor controlled ac distributed power supply system is used to provide led drive currents to a white led luminary for lighting commercial freezers. It is the number of bits processed in a single instruction. Detailed design of a microprocessor based temperature monitoring and control system is considered in this paper. It determines the number of operations per second the processor can perform. In a distributed system each processor has its own memory. Architectural models, fundamental models theoretical foundation for distributed system. Although the philosophy of their microarchitecture is the same, they differ in their approaches to. Form 6 microprocessorbased service information pole. Chapter 2 introduction to microprocessor based control. The hdcu interfaces directly to the process, performing all. The impact of microprocessor in different lures of fields is significant.
In this figure, the proposed system is shown in rectangular blocks and external systems or devices are shown in oval blocks. Commissioning microprocessor based ied communication. This figure above shows a block diagram of a mbs in general. The earlier trs80 model ii, which was released in 1979, could also be considered a multiprocessor system as it had both a z80 cpu and an intel 8021 microprocessor in the keyboard. To illustrate the principles of the invention a heat pump system capable of providing both heating and cooling will be described. A device for controlling and adjusting a display light for a retail display system comprising a computer associated with plural light sources for adjusting the light sources to optimally display particular products. Microprocessor based design spring 20 eece4534 syllabus gunar schirner 2 v 1. The first microprocessor was intel 4004 early 1970s used in calculators.
Specific topics include the goals of distributed system design, the. Interrupts are used to handle unpredictable and random events in the microcomputer. A distributed manufacturingbased system is shown in figure. Intel xeon and amd opteron 1 igiri, chinwe peace, 2 asagba, prince oghenekaro, and 3 olowookere, toluwase. Microcontroller microprocessor with builtin memory and ports and can be. A revolutionary change in the architecture of turbineengine. Topics intro, organization, syllabus embedded system overview o characteristics, challenges, requirements. Control and implementation of the distributed communication system.
Microprocessorbased performance indices analysis of. Cpu contains registers, a highfrequency clock, a control unit cu and an arithmetic logic unit alu. Aug 15, 2018 a distributed system contains multiple nodes that are physically separate but linked together using the network. Microprocessor based distributed and redundant programmable controller systems using standard hardware and software blocks. Microprocessorbased design spring 20 eece4534 syllabus gunar schirner 2 v 1. Goals and challenges of distributed systems where is the borderline between a computer and a distributed system. The registers inside the microprocessor read only memory rom used to store information that does not change. Interrupt driven inputoutput improves the throughput of a system. As a monitoring and control system, the microprocessor was used to read in data values from the input device and interact with the outside world. A microprocessorbased temperature monitoring and control. A comparative study of two microprocessor based distributed. Recent advances in lsi technology and the consequent availability of inexpensive but powerful microprocessors have already affected the process control industry in a significant manner. Form 6 microprocessorbased service information pole mount.
To perform a function or useful task we have to form a system by using microprocessor as a cpu and. The paper reports the development of a 16channel data acquisition system based on the fairchild f8 microprocessor. Lecture note on microprocessor and microcontroller theory and. Controls systems are an increasingly important component of turbineengine system technology. The object of this book is to present both hardware and software concepts that are important in the development of microprocessorbased control systems. Microprocessors are being increasingly utilized for improving the performance of control systems and making them more sophisticated as well as reliable. This paper objective is to analyze individual systems performance indices of a developed synchronization control for biaxial system speed controlspeed synchronization by using two strategies crosscoupling technique and masterslave technique with two permanent magnet direct current pmdc motors. Microprocessor based data acquisition and control software for the spar systemli j. It includes the alu, register arrays and control circuit on a single chip. A microprocessorbased temperature monitoring and control system. A microprocessor is a computer processor that incorporates the functions of a central processing unit on a single or more integrated circuit ic of mosfet construction. Pdf transition in gas turbine control system architecture. Computer science distributed ebook notes lecture notes distributed system syllabus covered in the ebooks uniti characterization of distributed systems.
An attempt has been made to obtain a balance between theory and practice, with. Microprocessor based distributed control systems kalani, ghodrat on. In this approach, the node is fully controlled by a single control system connected to the power system of each node. Us6510995b2 rgb led based light driver using microprocessor. Included is a discussion of the system software necessary for a microprocessor system to be useful. Microprocessor based system identification by signal compression method. Distributed microprocessorbased control systems for industrial turbine applications. Design concepts for a distributed microprocessorbased. The microprocessor has multiple data type formats like binary, bcd, ascii, signed and unsigned numbers. Release consistency the synchronization access synchs in the weak consistency model can. As technology has progressed, microprocessors have become faster, smaller and capable of doing more work per clock cycle. Basic concepts main issues, problems, and solutions structured and functionality content.
A small microprocessor based distributed control system can be used to. It was designed by intel corporation and become known as the 4bit microprocessor. Introduction to microprocessors the microprocessor is one of the most important components of a digital computer. Each team will specify, design and implement a complete embedded system, integrating hardware and software. Baker abstract computer software has been developed for a microprcessorbased data acquisition and control system to monitor 64 transducers and to maintain. The overall system control functions are distributed across the processors, which communicate with one another over a communications link, employing a messaging system which allows sensor values to be obtained locally and. Software structure of the distributed communication system. Harmony distributed control unit the harmony distributed control unit harmony dcu or hdcu is a dci system six compatible microprocessorbased area management and control node for the symphony enterprise management and control system.
The principle components of a microprocessor system as well as their interaction and interconnection are discussed. This microprocessor is interfaced with one or more external components, and it is necessary that this system must provide the desired result. Pdf design of a distributed microprocessor sensor system. General overview of the system the research work presented here is the design and development of a microprocessor based automatic gate. In dcs control system, data acquisition and control functions are carried through a number of dcs controllers which are microprocessor based units distributed functionally and geographically over the plant and are situated near area where control or data gathering functions being performed as shown in the figure above. Now a days, a microprocessor based systems are used in instructions, automatic testing product, speed control of motors, traffic light control, light. Distributed microprocessorbased control systems for. Introduction, examples of distributed systems, resource sharing and the web challenges. It is the set of instructions that the microprocessor can understand. Controller configuration the basic elements of a microprocessorbased or microprocessor controller fig.
Microprocessors and microcomputerbased system design, second edition, builds on the concepts of the first edition. The microprocessor when embedded in a larger system can be a standalone unit controlling processes or it can function as a cpu of a computer is called microcomputer. Microprocessor based data acquisition system sciencedirect. Read this manual first read and understand the contents of this manual and follow all locally approved procedures and safety practices. Refer to service information s280704 kyle form 6 microprocessor based recloser control programming guide for additional information. It discusses the basics of microprocessors, various 32bit microprocessors, the 8085 microprocessor, the fundamentals of peripheral interfacing, and intel and motorola microprocessors. The availability of low cost, low power and small weight, computing capability makes it useful in different applications. The microprocessor chips are available at low prices and results its low cost. The 8021 made the model ii the first desktop computer system with a separate detachable lightweight keyboard connected with by a single thin flexible wire, and.
Features of a microprocessor here is a list of some of the most prominent features of any microprocessor. Reviewing a microprocessor based system design information. Microprocessorbased data acquisition and control software for the spar systemli j. A thermistor is used as transducer to convert temperature into an electrical voltage which is again converted into digital form by an ad converter. The figure shows the main components of a microprocessorbased system. Usually, there is a memory sub system in a microprocessor based system. Hydraulic elevator having microprocessorbased, distributed control system. Over the last thirty years, the cost of microprocessors and communications technology has. The system developed consists of an analogue input unit containing a 16channel analogue multiplexer, instrumentation amplifier and ad converter, and an f8 microprocessor which stores and processes data. Baker abstract computer software has been developed for a microprcessor based data acquisition and control system to monitor 64 transducers and to maintain. In this article, we draw a comparative study of microprocessor based distributed systems, using the two major processors. Generalpurpose microprocessor used in general computer system and can be used by programmer for any application. The microprocessor is a multipurpose, clock driven, register based, digital integrated circuit that accepts binary data as input, processes it according to instructions stored in its memory and provides results also in.
Distributed control of a switching and communication system control and implementation of the distributed communication system the dynamic aspect of the system software structure of the distributed communication system conclusion and future directions references chapter 18 microprocessorbased data reduction and compression systems. Microprocessor is also called central processing unit cpu since it is the functional centre of the computer system and it is used to process data. However, as engines become more capable, the control system itself becomes ever more constrained by the inherent environmental conditions of the engine. Commissioning microprocessor based ied communication system an65a00 5 as shown in figures 1 and 4, one system a typical pc operating with a dde utility and windows utility for example could be forcing the registers and the second system, the host verifies that the data values are received correctly. Intel 8085 microprocessor based system the microprocessor is a semiconductor device integrated circuit manufactured by the vlsi very large scale integration technique. Dsm implementation memory management algorithms remote remote migrate migrate replicate. Microcontroller based distributed and networked control. A comparative study of two microprocessor based distributed systems. Ebook microprocessors and microcomputer based system. All the nodes in this system communicate with each other and handle processes in tandem.
Microprocessor based systems, also known as mbs, are those systems in which the key component is a microprocessor. Usually, there is a memory sub system in a microprocessorbased system. Defining distributed system examples of distributed systems why distribution. Course goals and content distributed systems and their. The object of this book is to present both hardware and software concepts that are important in the development of microprocessor based control systems. Later sections include more focused discussions on differing types of system. Actually, we have so far deployed more straightforward solution using the centralized microcontrollerbased control system 7. A diagram to better explain the distributed system is. A distributed microcomputer system for trani ssion line based on the characteristics enunciated above, proposed configuration for a micro processorbased system is shown in fig. In this article, we draw a comparative study of microprocessorbased distributed systems, using the two major processors.
Static algorithms make scheduling decisions based purely on information available at compi. A distributed microcomputer system for trani ssion line based on the characteristics enunciated above, proposed configuration for a micro processor based system is shown in fig. An attempt has been made to obtain a balance between theory and practice, with emphasis on practical applications. Although the philosophy of their microarchitecture is the. The microprocessor a p r o g r a m m e m o r y a w o r k i n g m e m o r y. Dsm implementation memory management algorithms remote remote migrate. Amoeba is characterized through its hybrid architecture consisting of workstations, a processor pool and terminals. The hybrid model is based on the workstationserver model.
Distributed control of a switching and communication system. Each of these nodes contains a small part of the distributed operating system software. Cpu central processing unit, where calculations and logic operations are done. Two prototypes of the previously developed microprocessorbased pmdc motor are used. The plant operators shall run the plant through operator consoles. Simha rao electronics corporation of india limited, hyderabad 500 762, india. Us5475986a microprocessorbased control system for heat. Pdf a comparative study of two microprocessor based.
Microprocessor based digital control system figure 2 shows the analog input and output through ad and da converter. Distributed computing systems for multipleprocessor industrial. The distributed systems pdf notes distributed systems lecture notes starts with the topics covering the different forms of computing, distributed computing paradigms paradigms and abstraction, the socket apithe datagram socket api, message passing versus distributed objects, distributed objects paradigm rmi, grid computing introduction. With these developments there has been a steady growth in hardware and software tools to support the microprocessor in its complex tasks. Distributed shared memory dsm simulates a logical shared memory address space over a set of physically distributed local memory systems.
There are two levels of scheduling in a multiprocessor system. A hydraulic elevator system includes a hydraulic jack for raising and lowering the car and a distributed intelligence microprocessor control system, containing a number of subsystems, each having designated control. Ebook microprocessors and microcomputer based system design. With the current trend of using several microprocessors for performing the complex tasks in a modern control system, a great deal of emphasis is being given to the topic of the transfer and sharing of. Refer to service information s280704 kyle form 6 microprocessorbased recloser control programming guide for additional information. Proceedings of the asme 1983 international gas turbine conference and exhibit.
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