FREQUENCY-CURRENT SYSTEM FOR RELAY VECTOR CONTROL OF NON-SYNCHRONOUS ELECTRIC DRIVE IN BRIDGE CRANE TRAVEL MECHANISM
Abstract and keywords
Abstract (English):
This paper reports the variant for the advancement of the functional circuit and algorithms to control a bridge crane travels with the correction of misalignment and transverse displacement on basis of the use of new systems of a nonsynchronous electric drive with frequency control. It is offered to use a simple and reliable frequency – current with an autonomous inverter of current and a relayvector algorithm of control. A functional circuit of the system of frequen-cy-current control for the mechanism of a bridge crane travel with the correction of misalignment and transverse displacement. To analyze a crane position there are used differential values obtained by means of the indication difference in contactless sensors measuring a distance from the preset crane points to rails on the opposite supports. The procedure for the computation of control system parameters is stated. For the check of created functional circuits and algorithms of control there is used a complex electromechanical computer model of a bridge crane with a high degree of detailed elaboration (a virtual prototype of a bridge crane). The modeling results of are shown. The shown frequency – current system of control with the correction of misalignment and transverse displacement allows the decrease of threshold differential valuations and the increase of speed and accuracy of regulation

Keywords:
bridge crane, nonsynchronous electric drive, control system, misalignment, transverse displacement, correction block, contactless sensors, electromechanical model
Text
Publication text (PDF): Read Download
References

1. Fedyaeva, G.A., Modeling dynamics of bridge crane electromechanical system/ G.A. Fedyaeva, D.V. Kochevinov, V.P. Losbinev, F.Yu. Losbinev//Bulletin of Bryansk State Technical Uni-versity. - 2014. - No 1. - pp. 63-67.

2. Kochevinov, D.V., System of bridge crane travel electric drive control / D.V. Kochevinov, G.A. Fedyaeva // Bulletin of Bryansk State Technical University. - 2012. - No 3. - pp. 4-11.

3. Usoltsev, A.A., Frequency Control for Non-Synchronous Motor: textbook / A.A. Usoltsev. - S-P.: SPSU ITMO, 2006. - pp. - 94.

4. Vinogradov, A.B., Vector Control for Electric Drives of Alternating Current / A.B. Vinogradov. - Ivanovo: Publishing House of ISEU, 2008. - pp. 298.

5. Method for Automated Control for Nonsynchronous Electric Drive of Travel with Transverse Displacement Correction: Application for Invention. 2015124617 / Fedyaeva G.A., Smorudova T.V., Konokhov D.V., Boiko V.N., - Applic. 23.06.15.

6. Zotin, V.F., Systems for Electric Drive Control / V.F. Zotin. - Bryansk: BSTU, 2008. - pp. 80.

7. System to control nonsynchronous electric drive of travel: Patent of RF RU 152038 / Fedyaeva G.A., Kochevinov D.V., Smorudova T.V., Butarev I.Yu. // Official Journal of Russian Agency of Patents and Trade Marks. Inventions. Utility Models. -Published 27.04.15, Journal No 12.

8. System for automated control of nonsynchronous electric drive of travel: Patent of RF RU 152678 / Fedyaeva G.A., Inkov Yu.M., Feoktistov V.P., Kochevinov D.V. // Official Journal of Russian Agency of Patents and Trade Marks. Inventions. Utility Models. -Published 10.06.15, Journal No 16.

Login or Create
* Forgot password?