I need code for three stage motor 6v 9v 12v want to use three temp sensors and use motor to pump water through a collector, the lower the temp the slower the motor runs. Using a a/d convert for analog sensors ....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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To get full information or details of closed loop boost converter please have a look on the pages

http://seminarsprojects.net/Thread-closed-loop-control-methods-for-interleaved-dcm-ccm-boundary-boost-pfc-converters

if you again feel trouble on closed loop boost converterplease reply in that page and ask specific fields in closed loop boost converter ....etc

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Closed loop timing



Bundled closed loop timing

Signal AD and ref signal Aclk transition tncq after each transition on Tclk
Vector BD and reference Bclk transition tnAB later.
Timing loop locks the quadrature clock Qclk to Bclk with offset lag equal to aperture offset ta0 of phase detector of flip-flop
This places the receive clock, Rclk which is offset from Qclk by /2
Aperture is exactly centred on the eye of data vector BD.

Which of these elements of timing uncertainty are cancelled?

Al ....etc

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i want closed loop servo motor using 8051 micro controller (EE2354) .i need 16 mark brief explanation about this question. ....etc

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can any one give me servo motor control through keypad using 8051 microcontroller at89c51 . also interface a lcd..
the degree is entered by the user.. plz ....etc

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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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ze]
interfacing of servo motor with 8051 microcontroller pdf ppt ....etc

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urgent msg:: tomo i have seminar on closed loop control of servo motor using 8051 microcontroller.pls give me notes to teach. ....etc

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An industrial plant has hundreds or even thousands of control loops. The performance of control loops is important to ensure high product quality and low cost of the product in such plants. In general, oscillatory variables are one of the main causes for poor performance of control loops. Therefore, detection and diagnosis of the causes of oscillations in control loops is very vital for maintaining the product within the desired quality limits. Identification of such source signatures is a very important task in assessing closed loop control pe ....etc

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