With a continuous development of the power engineering industry, the longitudinal roadheader has become one of the most important machinery items. However, the traditional method for automatic control of cutting speed regulation of the longitudinal roadheader is unstable because of its poor ability of calculating the temperature load on the cutting part. Therefore, a method for the cutting speed control is proposed, which takes into account the temperature load on the cutting part, thus optimizing this problem. A mathematical model of the cutting head of the longitudinal roadheader is constructed based on two displacements: vertical and horizontal. A thermal conductivity formula is used to calculate the temperature load on the cutting part. A PID controller is selected as a basis for automatic control. In comparison with two other methods, the control cycle of our design is found to be the most stable. Therefore, the proposed method for automatic control over the cutting speed of the longitudinal roadheader is quite promising.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 6, pp. 40–48, June, 2021.
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Feng, J., Tian, M., Song, J. et al. Method for Automatic Control of Cutting Speed of a Longitudinal Roadheader Taking Into Consideration the Temperature Load. Russ Phys J 64, 1006–1017 (2021). https://doi.org/10.1007/s11182-021-02422-2
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DOI: https://doi.org/10.1007/s11182-021-02422-2