Mathematical Model of the Hole Drilling Process and Typical Automated Process of Designing Hole Drilling Operations

2013 ◽  
Vol 282 ◽  
pp. 221-229 ◽  
Author(s):  
Jarosław Zubrzycki ◽  
Antoni Świć ◽  
Victor Taranenko
Keyword(s):  
Control System ◽  
Automatic Control ◽  
Cutting Force ◽  
Automatic Control System ◽  
Transfer Functions ◽  
A Priori ◽  
Quality Criterion ◽  
Hole Drilling ◽  
Drilling Process ◽  
Automated Process

The paper is devoted to the mathematical modelling and optimal control of hole drilling. Drilling feed is considered as control action while the cutting force is controlled variable. Transfer functions of the regulators were obtained, with the cutting force variance being used as quality criterion for the automatic control system. In the article has been presented also, questions connected with the structure of typical automated process projecting of the hole drilling operation. The block pattern of the typical process automated projecting was introduced. The processed algorithms of setting of the parameters of regulators according to a priori technological information and program protection were also introduced, to automate letting the process of the study of the automatic control system for the operation of the hole drilling.

Investigation of the stability of periodic motions in a nonlinear automatic control system based on the fast fourier transform

2003 ◽  
Vol 3 ◽  
pp. 297-307
Author(s):  
V.V. Denisov
Keyword(s):  
Fourier Transform ◽  
Control System ◽  
Automatic Control ◽  
Fast Fourier Transform ◽  
Automatic Control System ◽  
Resonance Phenomenon ◽  
Periodic Motions ◽  
Multiply Connected ◽  
Non Linear ◽  
The Stability

An approach to the study of the stability of non-linear multiply connected systems of automatic control by means of a fast Fourier transform and the resonance phenomenon is considered.

scholarly journals Results of Laboratory Studies of the Automated Sorting System for Root and Onion Crops

Agronomy ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1257
Author(s):  
Alexey Dorokhov ◽  
Alexander Aksenov ◽  
Alexey Sibirev ◽  
Nikolay Sazonov ◽  
Maxim Mosyakov ◽  
...  
Keyword(s):  
Control System ◽  
Automatic Control ◽  
Automatic Control System ◽  
Technological Parameters ◽  
Post Harvest ◽  
Manual Sorting ◽  
Sorting System ◽  
Working Bodies ◽  
Automatic Removal

The roller and sieve machines most commonly used in Russia for the post-harvest processing of root and tuber crops and onions have a number of disadvantages, the main one being a decrease in the quality of sorting due to the contamination of working bodies, which increases the quantity of losses during sorting and storage. To obtain high-quality competitive production, it is necessary to combine a number of technological operations during the sorting process, such as dividing the material into classes and fractions by quality and size, as well as identifying and removing damaged products. In order to improve the quality of sorting of root tubers and onions by size, it is necessary to ensure the development of an automatic control system for operating and technological parameters, the use of which will eliminate manual sorting on bulkhead tables in post-harvest processing. To fulfill these conditions, the developed automatic control system must have the ability to identify the material on the sorting surface, taking into account external damage and ensuring the automatic removal of impurities. In this study, the highest sorting accuracy of tubers (of more than 91%) was achieved with a forward speed of 1.2 m/s for the conveyor of the sorting table, with damage to 2.2% of the tubers, which meets the agrotechnical requirements for post-harvest processing. This feature distinguishes the developed device from similar ones.

scholarly journals Stability study of digital multi-connected automatic control system

2021 ◽  
Vol 1864 (1) ◽  
pp. 012039
Author(s):  
B. G. Ilyasov ◽  
G.A. Saitova ◽  
A.V. Elizarova
Keyword(s):  
Control System ◽  
Automatic Control ◽  
Automatic Control System ◽  
Stability Study
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