Automated process control system of mobile crushing and screening plant

Ostroukh, A. V.; Surkova, Nataliya Evgenievna; Varlamov, O. O.; Chernenky, Valery; Baldin, Alexander V.

doi:10.5937/jaes16-15586

Cited by 23 publications

(5 citation statements)

References 3 publications

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“…A technique for process control based on vibration signals was introduced in [34]. The signal from the equipment is processed by time-frequency analysis and represented in image format.…”

Section: Automation Of Crushing Processesmentioning

confidence: 99%

Modeling and Improving the Efficiency of Crushing Equipment

Vasilyeva,

Golyshevskaia,

Sniatkova

2023

Symmetry

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Over the last few decades, the demand for energy-efficient mineral-processing methods has continued. The necessity to develop energy-efficient technologies for the mineral industry will increase in the future, considering the exhaustion of high-quality resources and severe environmental limitations. The subject of this study is crushing equipment. It is a complex of units designed to reduce the fraction of ore and non-metallic solid materials. It is also designed to make them more symmetrical in order to facilitate their transport and later use in production. Thus, the urgency of using crushers in mining and processing plants is clear, so it is relevant to find ways to optimize their operation and reduce energy consumption. This article presents a systematic review of the task of improving the energy efficiency of crushing units. This is achieved by studying modelling methods and results, the automation of crushing and grinding processes, and the wear reduction of crusher components. On the grounds of the reviewed sources, the main methods of increasing the efficiency of crushing units are identified. A mathematical model of the cone crusher was designed. The simulation error is less than 6%. A simulation experiment was carried out on the mathematical model. The dependences of the current and power of the crusher electric drive on the feeder capacity are determined; the graphs have a symmetrical position relative to the approximating curve (R2 ≈ 0.9).

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“…A technique for process control based on vibration signals was introduced in [34]. The signal from the equipment is processed by time-frequency analysis and represented in image format.…”

Section: Automation Of Crushing Processesmentioning

confidence: 99%

Modeling and Improving the Efficiency of Crushing Equipment

Vasilyeva,

Golyshevskaia,

Sniatkova

2023

Symmetry

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“…Mobile crushing plant is widely used in semi-continuous and continuous open-pit mining systems (Ostroukh, 2017). In recent years, with the improvement of the intelligent level of mining equipment, only a few experts are required to control the crusher and conveyor system in the monitoring room.…”

Section: Related Workmentioning

confidence: 99%

An automatic alignment method for discharge arm of mobile crushing station based on binocular vision and fuzzy control

Guan

Wang

Chen

et al. 2022

Transactions of the Institute of Measurement and Control

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The mobile crushing station is one of the main equipment of the semi-continuous open-pit mining system. The discharge arm and the receiving equipment are manually aligned, which has the problems of long alignment time and low alignment accuracy, which affects the working efficiency of the mining system. According to the development and application of space rendezvous and docking technology at home and abroad, the advantages and disadvantages of different measurement methods are compared and analysed, and the method of applying binocular measurement technology to system positioning in the automatic alignment system of the discharge arm is determined. There are three movements in the mechanical part of the designed discharge arm alignment control system, including the rotary motion of the visual measurement mechanism and the horizontal rotation and telescopic motion of the discharge arm. According to the kinematic analysis and binocular vision measurement theory, the deviation model of the alignment control of the discharge arm is established. A binocular vision measurement and localization method based on the combination of stereo calibration and template matching is proposed, which achieves surprising measurement accuracy. An automatic alignment method of the discharge arm of the mobile crushing station is proposed based on the binocular vision and fuzzy control method. Its validity is verified by simulation and experiment. The strategy of motion decomposition is applied to the alignment system to avoid unnecessary motion of the discharge arm. The research results all show that the alignment method can achieve the angle deviation within ±0.5 degrees, the distance deviation within ±15 mm, and the test alignment time is about 5 minutes, which is better than other alignment control models; the alignment accuracy and the alignment time are improved by more than 50%. The method can control the discharge arm to complete the alignment task quickly and smoothly, which lays a foundation for the further automatic research of the discharge arm.

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“…However, these models cannot be used for the optimal designing of single-roll gyration crushers having a horizontal axis in the roll rotation. The work in [17] considered aspects of the automatic control of mobile crushing and sorting units equipped with cone crushers. The research in [18] is devoted to establishing the relationship between various properties of solid rocks and their properties in regard to being crushed and ground.…”

Section: Introductionmentioning

confidence: 99%

Mathematical Modeling and Multi-Criteria Optimization of Design Parameters for the Gyratory Crusher

et al. 2023

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There are a sufficient number of works devoted to modeling crushing machines. Nevertheless, the fact that there are a large number of working conditions, and the ongoing development of science and technology, require continuous improvement and specification of the models intended for crushing processes and those of the devices concerned. However, there are few studies related to single-roll gyratory crushers. Such crushers are promising for use in mines to crush rocks laid in the developed space. Mathematical modeling and optimization of the design parameters of the working chamber and the executive body (roll) of a single-roll gyratory shaft crusher, designed for crushing strong rocks, was performed in this paper. A differential equation was derived. As a result of its solution, the rational shape of the working chamber cheek of the single-roll gyratory crusher was established, representing a logarithmic spiral arc. Analytical expressions were derived to determine the rational rotation speed and productivity of the crusher under consideration. Expressions for calculating the kinematic load components acting on the roll were formulated. They are the periodic functions of the shaft rotation angle. The Fourier series expansion showed that the loads contained harmonics of the first, second, third and fourth orders. Using the concept of fuzzy sets, a multi-criteria optimization of the design parameters of the working chamber was performed, including the values of the eccentricity and the central angle of the beginning of the cheek profile. The variation coefficients of the kinematic components of the loads acting on the working body reduced, due to the optimal choice of the working chamber profile and the angular coordinates of the installation of the fixed cheeks. The torque reduced 1.67 times, while the radial load decreased 1.2 times.

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Automated process control system of mobile crushing and screening plant

Cited by 23 publications

References 3 publications

Modeling and Improving the Efficiency of Crushing Equipment

Modeling and Improving the Efficiency of Crushing Equipment

An automatic alignment method for discharge arm of mobile crushing station based on binocular vision and fuzzy control

Mathematical Modeling and Multi-Criteria Optimization of Design Parameters for the Gyratory Crusher

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