Abstract

Closed-loop servo control of a DC motor and load system using tachometer feedback is a very common industrial and research application. In the presence of finite shaft stiffness, this exercise becomes involved since flexibility introduces resonance and shaft ringing. To be able to model, predict, and eliminate these high-frequency resonance problems by means of an appropriate controller design, it is essential to have an accurate model for the entire drive system, including the tachometer.

The conventional tachometer model does n ....etc

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http://seminarsprojects.net/Thread-design-of-flange-coupling-ppt ....etc

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MODEL ANALYSIS ON PROPOSED COUPLING AND DESIGN OPTIMIZATION
ABSTRACT
The energy crisis has created a booming demand for large industrial engines that are efficient, powerful, and sturdy. But husky engines, especially diesels, can easily induce destructive vibrations in driven machinery such as generators, pumps, or marine propulsion systems. Large industrial engines tend to produce high firing pressures that produce impulsive turning forces on the crankshaft. These forces, in turn, can set up severe torsional vibrat ....etc

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PRISM Coupling and I/O System



Insures data coupling exchanges between any two component models either directly or via or the transformer including repartitioning with MPI1 or MPI2
Insures data input/output from/to files
=>Switch between coupling exchanges
and input/output is:
indicated by the user in a coupling configuration file (XML)
transparent for the component model
managed automatically by the PSMILe

Different classes of primitives insuring:

The Startup p ....etc

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Design and size recommendations

The goal in designing the flange coupling is designed to optimize the number and size of bolts for flange couplings and flange dimensions. The number of bolts must be at least six.
Soles-supergrip bolt designed for maximum voltage shift of 280 n/mm2 and a maximum axial voltage of 350 n/mm2.
Design of torque
Design of torque shall be determined in accordance with
TD = TN S .. (1)
The shock factor may be selected from the table.
Number of soles-Supergrip bolts
Start by assuming the size of the bolt, then deter ....etc

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download the ppt on design and fabrication of tyre coupling pdf

ABSTRACT

Mild steel or wrought iron shaft are available in lengths varying from 6 to 10 meters, so as to make them handy and easy to transport. More lengthy shafts cannot be manufactured in a correct form to be used for power transmission. In engineering practice shafts of large lengths are required to transmit the torque which can be obtained by joining two or more shafts in order to obtain the required length. The joining of shafts is done by device is called as coupling.Tyre c ....etc

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Coupling
A coupling is a device used to connect two shafts together at their ends for the purpose of transmitting power. Couplings do not normally allow disconnection of shafts during operation, however there are torque limiting couplings which can slip or disconnect when some torque limit is exceeded.
The primary purpose of couplings is to join two pieces of rotating equipment while permitting some degree of misalignment or end movement or both. By careful selection, installation and maintenance of couplings, substantial savings can be made ....etc

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Design and size recommendations

The goal in designing the flange coupling is designed to optimize the number and size of bolts for flange couplings and flange dimensions. The number of bolts must be at least six.
Soles-supergrip bolt designed for maximum voltage shift of 280 n/mm2 and a maximum axial voltage of 350 n/mm2.
Design of torque
Design of torque shall be determined in accordance with
TD = TN S .. (1)
The shock factor may be selected from the table.
Number of soles-Supergrip bolts
Start by assuming the size of the bolt, then deter ....etc

[:=Read Full Message Here=:]