Results 11 to 20 of about 485,064 (256)

A Fault Diagnosis Method of Mine Hoist Disc Brake System Based on Machine Learning

open access: yesApplied Sciences, 2020
The performance of the brake system is directly related to the safety and reliability of the mine hoist operation. Mining the useful fault information in the operation of a mine hoist brake system, analyzing the abnormal parts and causes of the equipment,
Juanli Li   +3 more
doaj   +4 more sources

Numerical Modeling of Mine Hoist Disc Brake Temperature for Safer Operation

open access: yesSustainability, 2021
The sustainable exploitation of raw materials, with improved safety and increased productivity, is closely linked to the development of mechanical mining installations.
F. Popescu   +3 more
semanticscholar   +3 more sources

Design and test of electromechanical disc brake controller for mine hoist

open access: yesMeasurement and Control, 2022
Electromechanical braking technology is an effective way to improve the braking response of mine hoist. Through the analysis of the mine hoist electromechanical mechanical disc brake, a mathematical model including the motor, reducer and thread pair is ...
H. Jin, Huwei Xu, Shun Wang
semanticscholar   +3 more sources

Effect of Vibration on Emergency Braking Tribological Behaviors of Brake Shoe of Deep Coal Mine Hoist

open access: yesApplied Sciences (Switzerland), 2021
The effects of vibration on the emergency braking tribological behaviors of the brake shoe of a deep coal mine hoist were investigated in this study. The thermal, frictional and mechanical parameters of the brake shoe were obtained.
Dagang Wang   +3 more
semanticscholar   +3 more sources

Super Capacitor Energy Storage Based MMC for Energy Harvesting in Mine Hoist Application

open access: yesEnergies, 2017
This paper proposes a super capacitor energy storage-based modular multilevel converter (SCES-MMC) for mine hoist application. Different from the conventional MMCs, the sub-modules employ distributed super capacitor banks, which are designed to absorb ...
Xiaofeng Yang   +4 more
doaj   +3 more sources

Tribo-Brake Characteristics between Brake Disc and Brake Shoe during Emergency Braking of Deep Coal Mine Hoist with the High Speed and Heavy Load

open access: yesEnergies, 2020
The friction wear and thermal fatigue cracking of the brake shoe and friction-induced self-excited vibration (frictional flutter) of the disc brake can easily occur during emergency braking of a deep coal mine hoist with at high speed and with a heavy ...
Dagang Wang   +4 more
doaj   +2 more sources

Dynamic brake characteristics of disc brake during emergency braking of the kilometer deep coal mine hoist

open access: yesAdvances in Mechanical Engineering, 2020
Dynamic brake characteristics of disc brake during emergency braking of the kilometer deep coal mine hoist were investigated in the present study. The theoretical model of dynamic brake torque of disc brake during emergency braking was given to explore ...
Dagang Wang, Ruixin Wang, Jun Zhang
semanticscholar   +3 more sources

A novel mechanical design of disc brakes for fault diagnosis and monitoring positive braking pressure in mine hoist

open access: yesAdvances in Mechanical Engineering, 2019
As the final executor of the braking system of coal mine hoists, the disc brake directly affects the safety and reliability of mine hoists. Aimed to the problem of failure of hoist disc brake, according to its structural characteristics and functional ...
Guiyun Xu   +4 more
semanticscholar   +3 more sources

Precise identification method of mine hoist fault source based on MFCC-CS-MUSIC

open access: yesMeitan kexue jishu, 2023
In the field of coal mine production, the mine hoist, as a kind of auxiliary transportation equipment, plays a very important role in the whole transportation engineering of the mine.
LI Jingzhao, WANG Xiao, SUN Jiechen
doaj   +1 more source

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