The Need for Application Control
The wide adoption of social media and Web 2.0 applications changes the way people use the Internet. More than ever, businesses struggle to keep up with security challenges. The use of internet applications comes with problems that administrators must know about:
UserCheck CLI Malware threats - Application use can open networks to threats from malware. Popular applications like Twitter, Facebook, and YouTube can cause users to download viruses unintentionally. File sharing can easily cause malware to be downloaded into your network.
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.
This book brings together some of the latest research in robot applications, control, modeling, sensors and algorithms. Consisting of three main sections, the first section of the book has a focus on robotic surgery, rehabilitation, self-assembly, while the second section offers an insight into the area of control with discussions on exoskeleton control and robot learning among others. The third section is on vision and ultrasonic sensors which is followed by a series of chapters which include a focus on the programming of intelligent service robots and systems adaptations....
After you have mastered the material in this chapter, you will be able to: Identify how the use of an automated transaction processing system impacts the audit examination, provide examples of general controls and understand how these controls relate to transaction processing in an accounting information system, provide examples of automated application controls and understand how these controls relate to transaction processing in an accounting information system,...
The main goals of this chapter are to: Identify how the use of an automated transaction processing system impacts the audit examination, provide examples of general controls and understand how these controls relate to transaction processing in an accounting information system, provide examples of automated application controls and understand how these controls relate to transaction processing in an accounting information system.
Ladder diagram (LAD) and function block diagram (FBD) are the graphic-oriented programming languages in the programming software STEP 7. Now in its fourth edition, this book introduces in the latest version of STEP 7 with new functions for Windows vista. It describes elements and applications for use with both SIMATIC S7-300 and SIMATIC S7-400 including the applications with PROFINET. It is aimed at all users of SIMATIC S7 controllers.
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.
Benefits of the PLC compared to conventional solutions such as electrical, electropneumatic or electrohydraulic solutions
Functions of system components of a PLC
Commissioning a PLC
Application criteria for mechanical, optical, capacitive and inductive proximity sensors
Sequence control and parallel logic
Systematic programming of a PLC in accordance with international standard IEC 1131-3
IEC 1131-3 programming languages: Function Block Diagram, Ladder Diagram, Statement List, Structured Text and Sequence Language
A PLC (Festo FC34, SIMATIC S7-300 or Allen ...
Despite the great technological advancement experienced in recent years,
Programmable Logic Controllers (PLC) are still used in many applications from the real
world and still play a central role in infrastructure of industrial automation. PLC operate in
the factory-floor level and are responsible typically for implementing logical control,
regulatory control strategies, such as PID and fuzzy-based algorithms, and safety logics.
Usually PLC are interconnected with the supervision level through communication
network, such as Ethernet networks, in order to work in an integrated form....
Within this book the fundamental concepts associated with the topic of power electronic control are covered alongside the latest equipment and devices, new application areas and associated computer-assisted methods.
*A practical guide to the control of reactive power systems
Evolution of global technologies has prompted increasing complexity of applications
developed in both, the industry and the scientific research fields. These complexities
are generally attributed to nonlinearities, poorly defined dynamics and absence of
apriori information about the systems. Imprecision, uncertainties and vagueness in
information about the system are also playing vital roles in enhancing the complexity
Typical dynamic responses are also shown. The motor is initially at standstill and
at no load when a step command in speed is applied; when steady-state conditions are
reached, a reversal of speed is commanded followed by a step load application.
The system is highly nonlinear due to the introduction of saturation needed to limit
both the current delivered and the voltage applied to the motor.
Process control is an application area of chemical engineering - an identifiable specialty for the ChE. It combines chemical process knowledge (how physics, chemistry, and biology work in operating equipment) and an understanding of dynamic systems, a topic important to many fields of engineering. Thus study of process control allows chemical engineers to span their own field, as well as form a useful acquaintance with allied fields. Practitioners of process control find their skills useful in design, operation, and troubleshooting - major categories of chemical engineering practice....
During the early years of microprocessor technology, there were few engineers with education and experience in the application of microprocessor technology.Now that microprocessors and microcontrollers have become pervasive in many types of equipment, it has become almost a requirement that many technical people have the ability to use them. Today the microprocessor and the microcontroller have become two of the most powerful tools available to the scientist and
Control problems arise in the plant and must be solved in the plant. Until plant engineers and control designers are able to communicate with each other, their mutual problems await solution. I do not mean to imply that abstract mathematics is not capable of solving control problems, but it is striking how often the same solution can be reached by using good common sense. High-order equations and high-speed computers can be manipulated to the point where common sense is dulled
Topology Control in Wireless Ad Hoc and Sensor Networks makes the case for topology control and provides an exhaustive coverage of TC techniques in wireless ad hoc and sensor networks, considering both stationary networks, to which most of the existing solutions are tailored, and mobile networks. The author introduces a new taxonomy of topology control and gives a full explication of the applications and challenges of this important topic.
The best-selling guide to the design of control systems for the fluid process industries is now updated and expanded. Emphasizing performance-based design and tuning, the new edition of the best-selling guide to process control provides engineers with reliable coverage of control technology principles for industrial fluid processes - from basic theory to advanced control applications.
Preface are not communicated to the people who must apply them. Control problems arise in the plant and must be solved in the plant. Until plant engineers and control designers are able to communicate with each other, their mutual problems await solution. I do not mean to imply that abstract mathematics is not capable of solving control problems, but it is striking how often the same solution can be reached by using good common sense. High-order equations and high-speed computers can be manipulated to the point where common sense is dulled....
This book introduces new concepts and theories of Fuzzy Logic Control for the application and development of robotics and intelligent machines. The book consists of nineteen chapters categorized into 1) Robotics and Electrical Machines 2) Intelligent Control Systems with various applications, and 3) New Fuzzy Logic Concepts and Theories. The intended readers of this book are engineers, researchers, and graduate students interested in fuzzy logic control systems.