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Computer based control systems

Xem 1-20 trên 76 kết quả Computer based control systems
  • Today’s control system designers face an ever-increasing “need for speed” and accuracy in their system measurements and computations. New design approaches using microcontrollers and DSP are emerging, and designers must understand these new approaches, the tools available, and how best to apply them. This practical text covers the latest techniques in microcontroller-based control system design, making use of the popular MSP430 microcontroller from Texas Instruments.

    pdf329p nhulan0908 30-09-2012 145 64   Download

  • IDC Technologies is internationally acknowledged as the premier provider of practical, technical training for engineers and technicians. We specialize in the fields of electrical systems, industrial data communications, telecommunications, automation and control, mechanical engineering, chemical and civil engineering, and are continually adding to our portfolio of over 60 different workshops. Our instructors are highly respected in their fields of expertise and in the last ten years have trained over 200,000 engineers, scientists and technicians....

    pdf42p tuanloc_do 04-12-2012 52 6   Download

  • Chapter 10 - Auditing of computer-based information systems. This chapter describe the scope and objectives of audit work, and identify the major steps in the audit process; identify the objectives of an information system audit, and describe the four-step approach necessary for meeting these objectives; design a plan for the study and evaluation of internal control in an AIS;...

    ppt67p allbymyself_10 02-03-2016 50 1   Download

  • A lower computer control system of tractor automatic navigation based on double-antennas Beidou satellite is developed, including the controller unit, bipolar output unit, RS232 bus communication unit, a switch reset unit and the power conversion unit.

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  • The current control problems present natural trend of increasing its complexity due to performance criteria that is becoming more sophisticated. The necessity of practicers and engineers in dealing with complex dynamic systems has motivated the design of controllers, whose structures are based on multiobjective constraints, knowledge from expert, uncertainties, nonlinearities, parameters that vary with time, time delay conditions, multivariable systems, and others.

    pdf0p aries23 29-09-2012 59 9   Download

  • After studying this chapter, you will know: Describe how organizations purchase application software, vendor services, and hardware; explain how information system departments develop custom software; explain how end users develop, use, and control computer-based information systems; explain why organizations outsource their information systems, and evaluate the benefits and risks of this strategy;...

    ppt11p tangtuy17 05-07-2016 27 2   Download

  • Chapter 17 - AIS development strategies. This chapter describe how organizations purchase application software, vendor services, and hardware; explain how information system departments develop custom software; explain how end-users develop, use, and control computer-based information systems;…

    ppt48p allbymyself_10 02-03-2016 29 1   Download

  • In this paper, the authors propose a method to detect the laser dot in an interactive system using laser pointers. The method is designed for presenters who need to interact with the computer during the presentation by using the laser pointer. The detection technique is developed by using a camera to capture the presentation screen and processing every frames transferred to the computer.

    pdf9p dannisa 14-12-2018 5 0   Download

  • Computers now form an integral part of most real-time control systems.With the advent of the microprocessors and microcontrollers in the last few decades the use of computers in control applications has been ever growing. Microcontrollers are single-chip computers which can be used to control real-time systems. Such controllers are also referred to as embedded real-time computers. These devices are low-cost, single-chip and easy to program.

    pdf313p cusonson 21-01-2010 174 62   Download

  • A PLC or programmable controller is a computer based solid state device that controls industrial equipment and processes. Initially designed to perform the logic functions executed by relays, drum switches and mechanical timer/counters, it has been extended to analog control as well. A typical PLC system consists of a processor and an input/output system all mounted in a rack like system. The PLC system is a cost effective solution for applications with a high ratio of digital to analog points in a system.

    pdf99p tuanloc_do 04-12-2012 89 23   Download

  • What You’ll See Today • Overview of National Instruments • Virtual Instrumentation and Graphical System Design • LabVIEW graphical programming fundamentals • Ease of Data Acqusition (DAQ) with NI • Application Areas • Web-based Remote Monitoring • Next Steps .National Instruments at A Glance • Leaders in computer-based measurement and automation $1,000 $900 • Long-term track record of growth and profitability • $1.02 B USD revenue in 2011 • More than 16% of revenue is invested into R&D • More than 6,000 employees; operations in 40+ countries....

    pdf87p namson94 21-07-2012 76 20   Download

  • Goals of Protection Principles of Protection Domain of Protection Access Matrix Implementation of Access Matrix Access Control Revocation of Access Rights Capability-Based Systems Language-Based Protection Discuss the goals and principles of protection in a modern computer system Explain how protection domains combined with an access matrix are used to specify the resources a process may access Examine capability and language-based protection systems

    pdf25p perpan 02-09-2012 68 11   Download

  • (bq) the book focuses on the needs and responsibilities of accountants as end users of systems, systems designers, and auditors. this edition provides complete integrated coverage of sarbanes-oxley as it affects internal controls and other relevant topics affected by this legislation, as well as reorganized discussion of transaction cycles that make the balance between manual- and computer-based systems more apparent.

    pdf375p tieu_vu15 07-09-2018 16 1   Download

  • The monitored information about each oil well is wirelessly transmitted to an administrator located in a remote location. By this method, multiple oil wells within the transmission range of the wireless sensor network used can be monitored and controlled.

    pdf6p byphasse043256 24-03-2019 9 0   Download

  • The design of computer-based instrumentation and control (I&C) systems is determined by the allocation of I&C functions to I&C systems and components. Due to the characteristics of computer-based technology, component failures can negatively affect several I&C functions, so that the reliability proof of the I&C systems requires the accomplishment of I&C system design analyses throughout the I&C life-cycle.

    pdf12p minhxaminhyeu5 30-06-2019 6 0   Download

  • This paper presents a build of Repetitive Control Law with desired trajectory periodic in joint space so reduced on-line computation for the motion system of the Almega16 manipulator. In a Repetitive Control Law always has the desired cycle trajectory with time T and always provides state information update on the time-variant parameters. The true value is compared to the reference set-point and its evaluation result is input to the controller for adjustment.

    pdf5p caygaocaolon6 22-07-2020 11 0   Download

  • This study introduces a v-domain design scheme for optimal FOPID controllers; the purposed method is based on minimum angle system pole placement in v-plane. Multi-objective genetic algorithm is used for controller coefficient optimization. Disturbance rejection FOPID controller design examples are illustrated.

    pdf10p dayhoctainha 10-09-2020 17 0   Download

  • This subject focuses on management accounting for cost and control purposes in an organisational context. Emphasises the use of quantitative techniques and computer software including spreadsheets and presentation graphics.

    pdf72p bimap_5 28-12-2012 74 25   Download

  • Private cloud computing is a very hot topic, but there remains a lot of mystery around the subject. What is a private cloud? What are the technical and business reasons to deploy one? How do I design one that focuses on service delivery? Does Microsoft have such an offering? This book exactly answers those questions, and provides step-by-step instructions on how to build a Microsoft private cloud that can serve as an IT-service-delivery virtualization infrastructure based on Microsoft System Center Virtual Machine Manager 2012.

    pdf0p hotmoingay3 09-01-2013 79 19   Download

  • The Personal Communication Services (PCS) network is a digital network that has the same basic components and standards as cellular networks. A PCS network consists of a mobile switching center, base station transceivers or cell sites, and base station controllers connected to a network service provider. The mobile switching center typically handles 100,000 subscribers. It connects the radio network to the service provider’s telephone network.

    pdf4p thuyvan 13-08-2009 74 9   Download

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