2 1. ABOUT THE TRAINING SITE DESCRIPTION OF THE COMPANY ASELSAN A.Ş. As a developer of statü of the art Land, Air, Naval and Space. Aselsan Staj Aselsan Staj. November 14, | Author: hittaf_05 | Category: Drilling, Machining, Welding, Bending, Share Embed Donate. Report this link. of a company (like TUBITAK) or different departments of a company (like ASELSAN) is not . You report should start with a Cover Page and Table of . of the grades on the “Staj Değerlendirme Formu” must be at least 7.

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The rotor construction enables this type of motor to rotate at the same speed in synchronization as the stator field.

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This technology achieves extremely high performance. An input signal loads a counter with positioning information. For example, assume the command signal was to drive the load at rpm.

If for some reason, either the signal or power does not get to the motor, or the motor is somehow prevented from rotating, the assumptions are poor and there would be no motion. The function, or task, of a servo can be described as follows. As the motor accelerates, the pulses emitted from the incremental digital encoder come at an increasing rate until a constant run speed is raporj.

What applications use the closed loop technique?

The type described above would be termed a single speed resolver; that is, the output signal goes through only one sine wave as the rotor goes through mechanical degrees. Vector control approaches will work quite adequately with this motor design.

This “one” piece casting usually includes integral fan blades to circulate air for cooling purposes. At some frequency it is possible to break the stick. There are various types of resolvers.

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2013_aselsan staj raporu.docx

At some point, the human ear cannot detect the sound. Ulusal Genlik Konseyi Forum Raporu. Now that we have a basic understanding of the operation of the motor, we can better understand the function and operation of raoru high performance drive.

Vector control slip control from a closed loop drive system can be used to keep the motor operating at this optimum point on the curve. A directly excited motor may be called hysteresis synchronous, or AC permanent magnet synchronous includes a rotor with a cylinder of a permanent magnet alloy. Therefore induction motors always rotate slower than the stator’s rotating field. These additional components do add to initial cost an increase rxporu productivity is typically not considered when investigating cost.

This is not easily defined nor self-explanatory since a servomechanism, or servo drive, does not apply to any particular device. High gain will allow small accurate movement and the machine will be capable of producing precise parts. Electro magnets have the advantage over permanent magnet in that the magnetic field can be madestronger.

A target of sustainable and profitable growthUnder the current conditions, it is important to maintain sustainable growth and profitability through sound and long-term strategy management and also by making use of the cyclical structure of the defense rapour.

The basic principle for synchronous motors can be shown using two electro magnets and a permanent magnet. If we look atthe air gap between two magnets that have their opposite poles facing each other, we would see magnetic lines of force flux from the N to S poles.

A good example would be when one car is towing a second car. Inside the controller, a resolver to digital R to D converter analyzes the signal, producing an zselsan representing the angle which the rotor has moved through, and an output proportional to speed how fast the rotor is moving.

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Linearity The ideal tachometer would have a perfect straight line for voltage vs.

Typical construction of an induction motor consists of 1 a stator with laminations and turns of copper wire and 2 a rotor, constructed of steel laminations with large slots on the periphery, stacked together to form a “squirrel cage” rotor. Motor etaj affects the slip frequency, and speed is a functionof both stator field frequency and slip frequency.

Low initial cost due to simplicity in motor design and construction; availability of many standard sizes; reliability; and quiet, vibration-free operation. Maximum torque is achieved when the rapoeu flux vector and the rotor flux vector are 90 apart.

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The induction motor operates much the same way that the synchronous motor does It uses the same magnetic principles to couple the stator and the rotor. There are basically two types of AC motors: Because of the strong field on one side of the conductor and a weak field or, the other side, the conductor will be pushed into the weaker field. Please help us to share our service with your friends. But for wide range, high performance systems, in which rapid response is important, it becomes extremely desirable to minimize sluggish reaction since a rapid changes to speed commands are desirable.