Abstract
This article demonstrates the tension distribution estimation method for the ring chain transmission system of scraper conveyer, which is based on multi-body dynamics theory and linear state observ...
Highlights
The ring chain transmission system (RCTS), which connects the driving devices and conveying system, has been extensively applied in metallurgy, aerospace, and other industries,[1,2] especially in mechanical mining
Consisted of the driving system, sprockets, scrapers, ring chains, and middle troughs, the RCTS is characterized by complex dynamic behavior and discrete nature dominated by a large number of contacting chains, which attracted a sprawl of attention to School of Mechanical and Electrical Engineering, China University of Mining and Technology, Xuzhou, P.R
With available states derived from tension sensors as the inputs of the state observer, we propose the observer-based tension distribution estimation method, which could estimate the unmeasurable contact forces for the first time
Summary
The ring chain transmission system (RCTS), which connects the driving devices and conveying system, has been extensively applied in metallurgy, aerospace, and other industries,[1,2] especially in mechanical mining. A virtual prototype model of the RCTS is presented by multi-body dynamics simulation software ADAMS based on kinematics and dynamics, which serves as a dynamic model to study the incidence relations between the dynamic characteristics and the running states of the RCTS under normal working condition. Contact pairs are effectively used for dynamic modeling and computing, and polygonal contact theory is directly employed to detect contact pairs of the ring chain system via collision detection.[6]
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