Research on Control Method of the Power System of Stepping-Type Anchoring Equipment

To improve the roadway adaptability and control accuracy of anchoring equipment, a stepping anchoring device was designed. A permanent-magnet synchronous motor control and a harmonic suppression algorithm were integrated to optimize the dynamic control system of stepping-type anchoring equipment. Th...

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Autores principales:	Guoyong Su, Yongcun Guo, Pengyu Wang, Gang Cheng, Dongyang Zhao
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	anchoring equipment control method pump-controlled hydraulic system sliding mode control Chemical technology TP1-1185
Acceso en línea:	https://doaj.org/article/bf5c240106784e28a4073f417d193cb1
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id	oai:doaj.org-article:bf5c240106784e28a4073f417d193cb1
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spelling	oai:doaj.org-article:bf5c240106784e28a4073f417d193cb12021-11-11T19:07:37ZResearch on Control Method of the Power System of Stepping-Type Anchoring Equipment10.3390/s212171231424-8220https://doaj.org/article/bf5c240106784e28a4073f417d193cb12021-10-01T00:00:00Zhttps://www.mdpi.com/1424-8220/21/21/7123https://doaj.org/toc/1424-8220To improve the roadway adaptability and control accuracy of anchoring equipment, a stepping anchoring device was designed. A permanent-magnet synchronous motor control and a harmonic suppression algorithm were integrated to optimize the dynamic control system of stepping-type anchoring equipment. The results of an experimental simulation and analysis showed that when the coefficient of coal rock hardness <i>f</i> = 5, 6, and 7, the pulsation coefficient of the hydraulic pump outlet pressure, hydraulic motor output speed, and pump-controlled hydraulic cylinder advance speed in the hydraulic circuit of a pump-controlled motor did not exceed 3% after the equipment based on sliding mode control (SMC) entered the steady state, while the maximum pulsation coefficient was only 32.5% of the PI control. Based on the SMC, the harmonic components of the permanent magnet synchronous motor in the power system were suppressed and compensated for. This enhanced the stiffness of the hydraulic system under motor drive. When the rock stiffness factor gradually changed from <i>f</i> = 5 to <i>f</i> = 8 and increased suddenly from <i>f</i> = 5 to <i>f</i> = 6, the pressure overshoot at the outlet of the hydraulic pump of the pump-controlled motor system was reduced from 11.19% to 7.97% and from 61.19% to 52.88%, respectively, compared with that before the optimization. It was thereby proven that SMC based on harmonic suppression can effectively reduce the system pulsation caused by the multi-factor coupling of anchoring equipment and provide technical support for the optimal control of the power system of stepping-type anchoring equipment.Guoyong SuYongcun GuoPengyu WangGang ChengDongyang ZhaoMDPI AGarticleanchoring equipmentcontrol methodpump-controlled hydraulic systemsliding mode controlChemical technologyTP1-1185ENSensors, Vol 21, Iss 7123, p 7123 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	anchoring equipment control method pump-controlled hydraulic system sliding mode control Chemical technology TP1-1185
spellingShingle	anchoring equipment control method pump-controlled hydraulic system sliding mode control Chemical technology TP1-1185 Guoyong Su Yongcun Guo Pengyu Wang Gang Cheng Dongyang Zhao Research on Control Method of the Power System of Stepping-Type Anchoring Equipment
description	To improve the roadway adaptability and control accuracy of anchoring equipment, a stepping anchoring device was designed. A permanent-magnet synchronous motor control and a harmonic suppression algorithm were integrated to optimize the dynamic control system of stepping-type anchoring equipment. The results of an experimental simulation and analysis showed that when the coefficient of coal rock hardness <i>f</i> = 5, 6, and 7, the pulsation coefficient of the hydraulic pump outlet pressure, hydraulic motor output speed, and pump-controlled hydraulic cylinder advance speed in the hydraulic circuit of a pump-controlled motor did not exceed 3% after the equipment based on sliding mode control (SMC) entered the steady state, while the maximum pulsation coefficient was only 32.5% of the PI control. Based on the SMC, the harmonic components of the permanent magnet synchronous motor in the power system were suppressed and compensated for. This enhanced the stiffness of the hydraulic system under motor drive. When the rock stiffness factor gradually changed from <i>f</i> = 5 to <i>f</i> = 8 and increased suddenly from <i>f</i> = 5 to <i>f</i> = 6, the pressure overshoot at the outlet of the hydraulic pump of the pump-controlled motor system was reduced from 11.19% to 7.97% and from 61.19% to 52.88%, respectively, compared with that before the optimization. It was thereby proven that SMC based on harmonic suppression can effectively reduce the system pulsation caused by the multi-factor coupling of anchoring equipment and provide technical support for the optimal control of the power system of stepping-type anchoring equipment.
format	article
author	Guoyong Su Yongcun Guo Pengyu Wang Gang Cheng Dongyang Zhao
author_facet	Guoyong Su Yongcun Guo Pengyu Wang Gang Cheng Dongyang Zhao
author_sort	Guoyong Su
title	Research on Control Method of the Power System of Stepping-Type Anchoring Equipment
title_short	Research on Control Method of the Power System of Stepping-Type Anchoring Equipment
title_full	Research on Control Method of the Power System of Stepping-Type Anchoring Equipment
title_fullStr	Research on Control Method of the Power System of Stepping-Type Anchoring Equipment
title_full_unstemmed	Research on Control Method of the Power System of Stepping-Type Anchoring Equipment
title_sort	research on control method of the power system of stepping-type anchoring equipment
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/bf5c240106784e28a4073f417d193cb1
work_keys_str_mv	AT guoyongsu researchoncontrolmethodofthepowersystemofsteppingtypeanchoringequipment AT yongcunguo researchoncontrolmethodofthepowersystemofsteppingtypeanchoringequipment AT pengyuwang researchoncontrolmethodofthepowersystemofsteppingtypeanchoringequipment AT gangcheng researchoncontrolmethodofthepowersystemofsteppingtypeanchoringequipment AT dongyangzhao researchoncontrolmethodofthepowersystemofsteppingtypeanchoringequipment
_version_	1718431607673585664

Research on Control Method of the Power System of Stepping-Type Anchoring Equipment

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