57 Result(s)
within
**gnan Li
Engineering
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Article
Comparative Study of the Microstructure and Mechanical Properties of WC/High-Speed Steel Composite Materials Prepared with Co, Ni, and Fe Binders
Three-mm-diameter WC/HSS composites with different binders (Co and Co-Ni-Fe) were prepared. The effect of two different binders on the microstructure and properties of WC powder and HSS composites was compared...
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Article
Research on dynamic characteristics of turning process system based on finite element generalized dynamics space
The dynamic behavior of the large-pitch screw during turning affects the stability of the cutting process, which in turn impacts the machining quality of the large-pitch screw. The large-pitch screw turning sy...
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Article
Research on Reducing Drilling Damage of CFRP Pipe Based on Plastic Pipe Auxiliary Support
Carbon Fiber Reinforced Polymer(CFRP) pipes are prone to damage (delamination, burrs, and tears) during the drilling process. This study analyzes the critical conditions for delamination at the drilling entran...
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Article
Sodium Removal from Aluminum Electrolysis Spent Anodes (Butts) Through Aluminum Sulfate Hydrothermal Acid Leaching
Spent anodes (butts) are the remaining portion of prebaked anodes after consumption, which are reintroduced into the production of prebaked anodes after treatment. Among these residues, the main harmful elemen...
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Article
Tool Wear in Longitudinal-Torsional Ultrasonic Vibration Assisted Drilling of CFRP/Ti Stacks and Its Influence on Drilling Quality
Longitudinal-torsional ultrasonic vibration assisted drilling (LTUVD) has received extensive attention as a new machining technology in recent years. Especially for the stacks structure similar to carbon fiber...
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Chapter and Conference Paper
Research and Construction of the Integrated Management System for the Grid-Connected Operation of the System Terminal
With the rapid development of the electric power industry, it is particularly important to improve the management efficiency and reliability of the electric power system, and it is urgent to ensure the safe an...
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Chapter and Conference Paper
Construction of Security Control and Protection of Internal and External Networks of Communication Terminals Under the Heterogeneous Network Environment
The construction of network security control and protection system of internal and external communication terminals under the heterogeneous network environment can promote the research and development of power...
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Article
Formation mechanism of outlet damage in interlaminar drilling of CFRP
Interlaminar drilling of CFRP is a specialized drilling technique that is used to maintain the structural integrity of the composite material in specific applications where high performance and durability are ...
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Article
An On-Line Measurement Method of the Medium Thickness Steel Plate Based on Structured Light Vision Sensor
The on-line measurement of medium thickness steel plate length is an important part of the hot rolling production. In this paper, an easy calibration method and a visual measurement method of laser stripe cent...
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Article
Formation Mechanism and Adhesion Evaluation of Debris in Ti–6Al–4V Alloy Turning
In this paper, the formation mechanism of adhered debris on the surface of turned titanium alloy was studied. The adhesion rate of debris was calculated and evaluated using image extraction technology. The eff...
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Article
Formation mechanism of CFRP pipe concave drilling defects
Due to the excellent performance of carbon fiber-reinforced plastic (CFRP), it is used more and more widely in the form of pipe and shaft parts. In order to reveal the formation mechanism of CFRP pipe concave ...
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Article
Vibration wear mechanism and its control method for large-pitch screw turning tool
The tribological behavior of tool wear is closely related to its dynamics during turning large-pitch screws. Under the action of nonlinear multi-strong field coupling, the chatter between the tool and the work...
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Article
Multiapproximator-based adaptive fault-tolerant control for teleoperation systems with deferred asymmetric time-varying output constraints
The investigation of the synchronization control problem for a class of nonlinear teleoperation systems with asymmetric time-varying output constraints and actuator failures is critical for the safe implementa...
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Article
Desulfurization by Adding Sodium Nitrate in the Production of Alumina from High-Sulfur Bauxite
The problem that sulfur causes in alumina production using the Bayer process can be eliminated by adding sodium nitrate, and, while the reaction mechanism is not perfect, this paper studies the reaction mechan...
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Article
Improved sliding mode control for mobile manipulators based on an adaptive neural network
In this study, a wheeled mobile manipulator was modeled while considering the case of wheel-ground slippage. Considering the whole system, the number of states in the dynamic system equation was reduced by the...
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Article
A SVM-based design method for cutting edge profile stability of large-pitch thread turning tool considering vibration
The violent vibrations generated during turning large-pitch screws seriously affect the tool wear, which reduces the cutting edge profile stability and affects the surface quality of the threads. We propose a ...
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Article
Study on the Formation of the Crater and Modified Layer in EDM Titanium Alloys Based on Fluid–Solid Coupled Temperature Field Model
Electric discharge machining (EDM) is used widely in machining titanium alloys, but the modified layer formed can weaken the mechanical properties of the parts. The present study examined the formation of crat...
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Chapter and Conference Paper
A Partial Network Management Design Method for Hybrid Network
Aiming at the electronic and electrical architecture with both OSEK and AUTOSAR network management, we propose a design method for the partial network management. This paper introduces the design principles of...
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Chapter and Conference Paper
Progress of Study on the Application of Actuators in Helicopter Airframe ACSRs
The severe vibration of helicopters have influenced the flight safety and the riding comfort. A good many technologies have been developed to suppress the helicopter fuselage vibration. They can be divided int...
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Article
Open AccessNonlinear noise spectrum measurement using a probability-maintained noise power ratio method
Nonlinear distortion (noise) limits many communication systems, demanding a means of estimating system performance via device nonlinear characteristics. The noise power ratio (NPR) method which was proposed in...
