What is control system

Chapter 4 - Automatic control. Chương này gồm có những nội dung chính sau: What automatic control is, automatic control theory, process control, stability, controllers: pid controllers, optimal control, adaptive control.

17p tieu_vu16 03-01-2019 33 4   Download

Lecture "Fundamentals of control systems - Chapter 1: Introduction" presentation of content: What is control system, control principle, components off control systems, examples of control systems, review of complex variables and Laplace transform.

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What is a feedback? Good Feedback Makes Excellence More Visible Clarity of Feedback Good intention Level one: positive and negative feedback Level two: Shift controlling feedback to in informative feedback Level three: Co-designing feedback system The Need for Imagination Don’t have to be slave (phụ thuộc) to praise

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Overview Access Control Matrix model Discretionary Access Control (DAC) Mandatory Access Control (MAC) and an example model Role Based Access Control (RBAC) Access Control in Unix Sep 2009 Information Security by Van K Nguyen Hanoi University of Technology 2 .What is AC Quote from Ross Anderson (text “Security Engineering”) Its function is to control which principals (persons, processes, machines, …) have access to which resources in the system -- which files they can read, which programs they can execute, and how they share data with other principals, and so on....

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The microprocessor is the core of computer systems. Nowadays many communication, digital entertainment, portable devices, are controlled by them. A designer should know what types of components he needs, ways to reduce production costs and product reliable.

39p lqvang02 02-02-2013 63 6   Download

We have looked at protocols for distributing and establishing keys used for authentication and confidentiality But who should you give these keys to? Who should you trust? What are the rules governing when to and not to give out security credentials In this lecture, we will look at the broad area of secure and trusted systems We will focus on access control models These methods are often used to abstract the requirements for a computer system But, they hold for general systems where security is a concern (e.g. networks, computers, companies…) ...

35p muathu_102 28-01-2013 74 4   Download

Planning and Organizing a Database Planning for your database is the first step in organizing and implementing a database system. First define how the database will be used. This determines what type of database you need to create that will meet the needs of your business, for example, data warehousing, high online transaction processing, or general purpose. After you determine the purpose and type, you must outline the database architecture that will be used.

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cacls /T /E /G administrator:F d:\users\*.* Cacls will add Full Control for the adminsitrator account all files and subfolders in the Users folder of the D:\ drive. cacls /T /E /R Everyone d:\users Cacls will remove all permissions for the 'Everyone' group in all files and subfolders in the Users folder of the D:\ drive. Be sure to use the /E switch when you are just making modifications to a specific account or group. Without the /E switch, your settings will replace the current security with only what is specified. ...

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Q: What type of authentication system does the OS (Security Kernel) determined who is allowed access to a resource Q: What access control model helps fight “authorization creep” Q: Biometrics are an example of “What you ____” Q: What is a better security model, network based or host based? Justify your answer.

40p doilan 25-01-2013 52 3   Download

An important part if systems and network protection… is determining who has access to what. This is call “privilege management or access control” There are 4 major types of “access control” that we will discuss in the next slides User Based – DAC based Group Based – DAC based Role Based – system based roles Rule Based – system based rules

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When installing a manually configured adapter, what information must you know to avoid resource conflicts? A. IRQ B. Number of bits C. Base I/O port address D. Base Memory address E. Operating System 2) Which IRQ is usually assigned for the primary IDE hard disk controller? A. 5 B. 7 C. 9 D. 14 E. 15 3) Which IRQ is assigned to the first serial port?

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Intended Audience: Individuals with an interest in learning about electric motors and how they are controlled A simple understanding of magnetics is assumed Topics Covered: What is an electric motor? What are some common types of electric motors? How do these electric motors work? How these motors are controlled.

89p viet82vp 16-08-2012 108 31   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....

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Within APEC little is known on the introduction of marine pests. Little practical information on measures to prevent introductions. Lack of knowledge in what individual countries are doing. Need to have information on what measures economies have implemented. What would be most useful to APEC Economies. Explore development of agreed regional strategic measures.

10p tiennuhoiai 18-07-2010 96 18   Download

The microprocessor is the core of computer systems. Nowadays many communication, digital entertainment, portable devices, are controlled by them. A designer should know what types of components he needs, ways to reduce production costs and product reliable. CPU is stand-alone, RAM, ROM, I/O, timer are separate.

63p anhkong 12-04-2010 175 52   Download