Method for dynamic load limitation at mechatronic systems of the plate mill stand
Keywords:
plate mill, mill stand, electric drive, dynamic loads, limitation, method, dynamic model, math modeling, pilot study, recommendationsAbstract
The paper forms the rationale for relevance of developing control systems ensuring limitation of dynamic torques in electric drives of the reversing plate mill stand at shock loading. Control algorithms are presented, which provide for preliminary selection of gaps in spindle joints and compensation of the dynamic error of speed maintenance at metal pickup. The electric drive control method, which comprises advantages of all these solutions, is developed. The functional diagram of the control system, which illustrates the method, is presented. The math model of the electromechanical cylinder system is developed, which considers elastic coupling in transmissions. The results of modeling the transient processes of the electric drive speed and torque at pickup when implementing the current and new control methods, are presented. The enhanced control algorithm is proposed; according to it, speed decrease after the pickup goes with the preset negative acceleration. Results of modeling which proved technical efficiency of the algorithm, are given. According to the modeling results, the optimal pace of electric drive slowdown was rationalized. Oscillograph charts of speeds and torques of the electric drives of the plate mill 5000 stand, obtained when implementing the developed method, are presented. After long-term studies, the improvement of dynamic parameters against the existing electric drive system was confirmed. The conclusion was made on the reasonability of implementing of the introduced solutions.
References
Bass, G.V. Minimum tension control in finishing train of hot strip mills / G.V. Bass // Iron and steel Engineer. – 1987. – No. 11. – P. 48–52.
Bhowal, P. Modeling and Simulation of Hidraulic Gap Control System in a Hot Strip Mill / P. Bhowal, S.K. Mukherjee // ISIJ International. – 1996. – Vol. 36, no. 5. – P. 553–562.
Fukushima, K. Looper optimal multivariable control for hot strip finishing mill / K. Fukushima // Trans. Iron and Steel Inst. Japan. – 1988. – No. 6. – P. 463–469.
Tanimoto, S. New tension measurement and control system in hot strip finishing mill / S. Tanimoto, Y. Hayashi, M. Saito // Measurement and control instrumentation in the iron and steel industry – Proceedings of the 5th process technology conference. – Detroit, 1985. – P. 147–154.
Finishing mill tension control system in the Mizushima hot strip mill / K. Hamada, S. Ueki, M. Shitomi et al. // Kawasaki steel technical report. – 1985. – No. 11. – P. 35–43.
System for Speed Mode Control of the Electric Drives of the Continuous Train of the Hot-Rolling Mill / V.R. Khramshin, A.S. Evdokimov, G.P. Kornilov et al. // Proceedings of the 2015 International Siberian Conference on Control and Communications (SIBCON–2015). Russia, Omsk, May 21–23, 2015. DOI: 10.1109/SIBCON.2015.7147264
Algorithm of No-Pull Control in the Continuous Mill Train / V.R. Khramshin, S.A. Evdokimov, А.S. Karandaev et al. // Proceedings of the 2015 International Siberian Conference on Control and Communications (SIBCON–2015). Russia, Omsk, May 21–23, 2015. DOI: 10.1109/SIBCON.2015.7147263
Speed and Load Modes of Rolling Hollow Billet at the Wide-Strip Rolling Mill / A.A. Radionov, A.S. Karandaev, V.R. Khramshin et al. // Proceedings of 2014 International Conference on Mechanical Engineering, Automation and Control Systems (MEACS), 2014. – 5 p. DOI: 10.1109/MEACS.2014.6986841
Reduction of the Dynamic Loads in the Universal Stands of a Rolling Mill / V.R. Khramshin,
A.S. Karandaev, S.A. Evdokimov et al. // Metallurgist. – 2015. – Vol. 59. – No. 3–4. – P. 315–323. DOI: 10.1007/s11015-015-0103-8
Automatic Tension Control in the Continuous Roughing Train of a Wide-Strip Hot-Rolling Mill / I.Yu. Andryushin, A.G. Shubin, A.N. Gostev et al. // Metallurgist. – 2017. – Vol. 61, no. 5–6. – P. 366–374. DOI: 10.1007/s11015-017-0502-0
Method of Reduction of an Edging and Horizontal Rolls Electromechanical Systems Interrelation in Universal Stand of a Rolling Mill / V.R. Khramshin, V.R. Gasiyarov, A.S. Karandaev, A.G. Shubin // Procedia Engineering. – 2017. – Vol. 206. – P. 1761–1767. DOI: 10.1016/j.proeng.2017.10.710
Force limiting at roll axial shifting of plate mill / A.S. Karandaev, B.M. Loginov, V.R. Gasiyarov, V.R. Khramshin // Procedia Engineering. – 2017. – Vol. 206. – P. 1780–1786. DOI: 10.1016/j.proeng.2017.10.713
Setting Automated Roll Axial Shifting Control System of Plate Mill / A.S. Karandaev, B.M. Loginov, A.A. Radionov et al. // Procedia Engineering. – 2017. – Vol. 206. – P. 1753–1750. DOI: 10.1016/j.proeng.2017.10.709
Крисанов, А.Ф. Анализ причин аварий оборудования листопрокатных станов и меры по их предупреждению: обзор, информ. / А.Ф. Крисанов, В.Ф. Кузерман, Б.Н. Виноградов и др. – М.: Ин-т «Черметинформация», 1985. – С. 36.
Веренев, В.В. Состояние вибрационной диагностики и мониторинга оборудования прокатных станов / В.В. Веренев, В.И. Большаков // Фундаментальные и прикладные проблемы черной металлургии: сб. науч. тр. – Днепропетровск: ИЧМ НАН Украины, 2006. – Вып. 12. – С. 267–281.
Евдокимов, С.А. Телеметрическая система измерения упругого момента в шпинделях рабочих валков горизонтальной клети стана 5000 / С.А. Евдокимов, А.И. Халько, А.М. Дорофеев // Энергетические и электротехнические системы: междунар. сб. науч. тр. – 2015. – Вып. 2. – С. 375–382.
Method limiting dynamic loads of electromechanical systems of plate mill stand / A.S. Karandaev, V.R. Gasiyarov, E.A. Maklakova et al. // 2018 IEEE Conference of Russian Young Researchers in Electrical and Electronic Engineering (EIConRus), Moscow and St. Petersburg, Russia, 2018. – P. 651–656. DOI: 10.1109/EIConRus.2018.8317180
Khramshin, V.R. Ways to compensate for static deviations in speed in electric drives of broad-strip hot rolling-mill stands / V.R. Khramshin // Russian Electrical Engineering. – 2013. – Т. 84. no. 4. – P. 221–227. DOI: 10.3103/S1068371213040032
Constraining the Dynamic Torque of a Rolling Mill Stand Drive / V.R. Khramshin, V.R. Gasiyarov, A.S. Karandaev et al. // Bulletin of the South Ural State University. Ser. Power Engineering. – 2018. – Vol. 18, no. 1. – P. 101–111. DOI: 10.14529/power180109
Разработка математической модели взаимосвязанных электротехнических систем клети толстолистового прокатного стана / С.Н. Басков, В.Р. Гасияров, Б.М. Логинов и др. // Известия вузов. Электромеханика. – 2017. – Т. 60, № 6. – С. 55–64.
Математическое описание главного электропривода толстолистового стана 5000 горячей прокатки / В.Р. Гасияров, Е.А. Маклакова // Russian Internet Journal of Electrical Engi¬neering. – 2015. – Vol. 2, no. 3. – С. 62–66.
Ключев, В.И. Теория электропривода / В.И. Ключев. – М.: Энергоатомиздат, 2001. – 760 с.
