Temperature Control of an Air Shower An Overview Vedik Bobba 9783639435382 Books
Download As PDF : Temperature Control of an Air Shower An Overview Vedik Bobba 9783639435382 Books
Revision with unchanged content. Over the last few years, the specification on the tolerances for various products has become more constricted. Though the machining processes have become more accurate and repeatable, there is a concern about the final step in manufacturing which is measurement. A very small change in temperature can cause significant dimensional changes in the measuring machine, thus causing an error in measurement. This book, therefore, provides the modeling, design, control and validation of an air shower that houses the measuring machine. The problems of the air shower are determined, the corresponding design changes are implemented and different tests are conducted to analyze its performance. This analysis should help shed some light in the field of precision engineering. It should be especially useful to students and professors, or anyone else who may consider studying the air shower system and conduct some experiments.
Temperature Control of an Air Shower An Overview Vedik Bobba 9783639435382 Books
Accuracy and repeatability are a primary concern with regard to measurement. In measuring machines, these factors are affected by ambient conditions. A change in the temperature affects the dimensions of the measuring machine leading to measurement errors. This book concentrates on the modeling, design, control and validation of the air shower; an enclosure to maintain the temperature at 20 ± 0.1ºC. On comparing the air shower with the previous model, design changes were implemented to the air intake duct, temperature and humidity sensor, andthe radiator. This improved the thermal response thereby decreasing the amplitude of the temperature ripple from 0.3ºC to 0.013ºC and increasing the frequency from 12 to 4 minutes. The implementation of an advanced controller with a new control design and performing system identification helped in observing the temperature variation, conduct different tests and analyze the results. The new controller indicated that (1) the thermal response of the air shower is first order (2) the gain and phase increase with increasing time, but the delay does not show any pattern and (3) the optimum performance of the control of temperature is achieved when the proportional valve controlling the flow of cooling water through the radiator is dithered sinusoidally.
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Temperature Control of an Air Shower An Overview Vedik Bobba 9783639435382 Books Reviews
Accuracy and repeatability are a primary concern with regard to measurement. In measuring machines, these factors are affected by ambient conditions. A change in the temperature affects the dimensions of the measuring machine leading to measurement errors. This book concentrates on the modeling, design, control and validation of the air shower; an enclosure to maintain the temperature at 20 ± 0.1ºC. On comparing the air shower with the previous model, design changes were implemented to the air intake duct, temperature and humidity sensor, and
the radiator. This improved the thermal response thereby decreasing the amplitude of the temperature ripple from 0.3ºC to 0.013ºC and increasing the frequency from 12 to 4 minutes. The implementation of an advanced controller with a new control design and performing system identification helped in observing the temperature variation, conduct different tests and analyze the results. The new controller indicated that (1) the thermal response of the air shower is first order (2) the gain and phase increase with increasing time, but the delay does not show any pattern and (3) the optimum performance of the control of temperature is achieved when the proportional valve controlling the flow of cooling water through the radiator is dithered sinusoidally.
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