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RISA Hybrid Diagnosis Model With Experimental Verification for Composite Faults in Deep-Sea Mud Lifting Pumps
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Abstract. In deep-sea oil and gas exploitation, the reliability of mud lifting pumps directly affects the operational safety. However, the coupled operation of multiple pumps may easily induce composite faults such as ...
NSGA-II Algorithm-Based Structural Parameters of Electric Pulse Rock-Breaking Electrode Bit Multi-Objective Optimization
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: High-voltage electric pulse (HVEP) electrode bit has a considerable influence on the drilling and rock-breaking (RB) efficiency. HVEP electrode bit was systematically studied to optimize the structural parameters in order ...