Open loop control vs. closed loop (feedback) control



The next two figures present the structures of open loop and feedback control systems.
Figure 1 shows an open loop control system whose function is to cause the output y(t) to follow the
reference r(t).
Feedback control system design for zero steady state error
In general, to follow a reference R(s) with zero steady-state error, the path between the
reference and the system output should contain a term like R(s). For instance, to follow a ramp
(velocity) ....etc

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Black Holes
A black hole is a region of space from which nothing, not even light, can escape. John Michell, using Newton s ideas of gravity as a force, saw that if a strong enough gravity were at the surface, that not only could material objects not leave the surface, but light itself may bend and be trapped Karl Schwarzchild (1873-1916) In 1916 used Einstein s General Relativity to define a Black Hole Defined the event horizon gravitational radius of a black hole AKA the Schwarzchild Radius

Wo ....etc

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Java Security Features & Holes

Submitted by:
Punnya Tuladhar
237 437 7


abstract

Java language has many features that make it the right choice for the variety of programming tasks
from the server to palmtop. Java language has a level of strong, consistent and extensible security that
is sorely lacking in other languages. Java security was a key consideration in the development of the
language.
Java is primarily used for networking purpose. The developers knew that Java programs would
be exposed to ....etc

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black holes ppt

A black hole is a region of spacetime exhibiting such strong gravitational effects that nothing including particles and electromagnetic radiation such as light can escape from inside it. The theory of general relativity predicts that a sufficiently compact mass can deform spacetime to form a black hole. The boundary of the region from which no escape is possible is called the event horizon. Although crossing the event horizon has enormous effect on the fate of the object crossing it, it appears to have no locally det ....etc

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Understanding Verilog Blocking and Non-blocking Assignments

International Cadence
User Group Conference
September 11, 1996
presented by
Stuart Sutherland
Sutherland HDL Consulting

Sutherland HDL Consulting
Verilog Consulting and Training Services
22805 SW 92nd Place
Tualatin, OR 97062 USA

About the Presenter

Stuart Sutherland has over 8 years of experience using Verilog with a variety of software tools. He
holds a BS degree in Computer Science, with an emphasis on Electronic Engineering, and ha ....etc

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Understanding and Applying Innovation Strategies



Strategic Planning

Strategy: a way of thinking
a basic pattern of planning for resource deployment
planning for environ. Interaction
planning to achieve org. goals

Key element=short and long-term perspectives

Elements of Strategies

Objectives (outcomes desired)
Activities (process to accomplish objectives)
Resources (what s needed to accomp. obj.)

Each element influenced and constrained by polit ....etc

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Understanding IP Addressing

Understanding IP Addressing:

Everything You Ever Wanted To Know
The Internet continues to grow at a phenomenal rate. This is reflected in
the tremendous popularity of the World Wide Web (WW), the opportunities
that businesses see in reaching customers from virtual storefronts,
and the emergence of new ways of doing business. It is clear that expanding
business and public awareness will continue to increase demand for access
to resources on the Internet.
Internet ....etc

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Understanding Enterprise Security with Integration and Convergence

Today s Agenda

Define Integration & Convergence terminologies
Discuss traditional differences between IT and
Physical security
Observations - how the business can address
technical & enterprise opportunities
Share some of the engineering opportunities
RFP and Client Experiences
Summary and Questions

Convergence
Engineering

Convergence Engineering is
the technical cornerstone
of Security Convergence
and the two terms are
frequently conf ....etc

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I need the project report for gsm based home security system
and also the ppt for it.can u plz send it..my mail is [email protected] ....etc

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Abstract

In this study, we propose some simple but effective throughput-approximation methods for finite-buffered closed-loop production systems with unreliable machines and exponentially distributed processing times. The proposed approximation methods are based on decomposition and aggregation principles. According to the method representing the decomposed systems, three different approximation methods are developed, along with a simple upper bounding method for throughputs. Extensive computational experiments are perform ....etc

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