Qunzhang Tu
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View article: Numerical Simulation and Analysis of Thermal Conductivity and Influencing Factors of Braided Carbon Fiber Reinforced Natural Rubber Composites
Numerical Simulation and Analysis of Thermal Conductivity and Influencing Factors of Braided Carbon Fiber Reinforced Natural Rubber Composites Open
Rubber is widely applied in the field of electrical engineering due to its high elasticity. However, its poor thermal conductivity can cause localized overheating and eventual failure. This issue can be addressed through adding fillers wit…
View article: Sliding mode control with an adaptive switching power reaching law
Sliding mode control with an adaptive switching power reaching law Open
This paper proposes a adaptive reaching law-based sliding mode control (SMC) method for maintaining favorable velocity control performance of permanent magnet synchronous motors (PMSMs) under internal and external perturbations. An adaptiv…
View article: Enhancing the thermal and mechanical properties of carbon fiber/natural rubber composites by co-modification of dopamine and silane coupling agents
Enhancing the thermal and mechanical properties of carbon fiber/natural rubber composites by co-modification of dopamine and silane coupling agents Open
In order to manufacture high-speed rubber tracks, it is urgent to develop natural rubber composites with excellent thermal and mechanical properties. In this paper, natural rubber was filled with milled carbon fiber (CF) which was synergis…
View article: PMSM Sliding Mode Control Based on Improved Reaching Law
PMSM Sliding Mode Control Based on Improved Reaching Law Open
This paper proposes a novel adaptive reaching law-based sliding mode control (SMC) method for maintaining favorable velocity control performance of permanent magnet synchronous motors (PMSMs) under internal and external perturbations. A ne…
View article: Modeling and Verification of Rolling Resistance Torque of High-Speed Rubber Track Assembly Considering Hysteresis Loss
Modeling and Verification of Rolling Resistance Torque of High-Speed Rubber Track Assembly Considering Hysteresis Loss Open
Due to the viscoelasticity of rubber materials, hysteresis loss due to deformation is the main reason for the rolling resistance of high-speed rubber tracks. Since the structure and material of high-speed rubber track assemblies are differ…
View article: Molecular Dynamics Studies of the Mechanical Behaviors and Thermal Conductivity of Polyisoprene with Different Degrees of Polymerization
Molecular Dynamics Studies of the Mechanical Behaviors and Thermal Conductivity of Polyisoprene with Different Degrees of Polymerization Open
Polyisoprene, with a high degree of polymerization, is the main component of natural rubber. In the industrial production process, it is necessary to adjust the length of the macromolecule of polyisoprene to improve its plasticity. It is t…
View article: Polydopamine and Mercapto Functionalized 3D Carbon Nano-Material Hybrids Synergistically Modifying Aramid Fibers for Adhesion Improvement
Polydopamine and Mercapto Functionalized 3D Carbon Nano-Material Hybrids Synergistically Modifying Aramid Fibers for Adhesion Improvement Open
In order to solve the problem of poor interfacial adhesion between aramid fibers and a rubber matrix, an efficient and mild modification method was proposed via polydopamine and mercapto functionalized graphene oxide (GO) and carbon nanotu…
View article: Study on Increasing the Binding Amount of Rubber and Reinforcing Filler by Adding Aromatic Solvent Oil
Study on Increasing the Binding Amount of Rubber and Reinforcing Filler by Adding Aromatic Solvent Oil Open
The binding amount of rubber and reinforcing filler directly affects the quality of rubber products. The effect of aromatic solvent oil (S-150) on the binding amount of rubber and reinforcing filler was studied. In order to determine the s…
View article: Mean Deviation Coupling Control for Multimotor System via Global Fast Terminal Sliding Mode Control
Mean Deviation Coupling Control for Multimotor System via Global Fast Terminal Sliding Mode Control Open
In view of the shortcomings of the existing multimotor synchronous control strategy, a new method of mean deviation coupling control for multimotor system via global fast terminal sliding mode control is proposed. Firstly, the mathematical…
View article: Global fast terminal sliding mode control strategy for permanent magnet synchronous motor based on load torque Luenberger observer
Global fast terminal sliding mode control strategy for permanent magnet synchronous motor based on load torque Luenberger observer Open
Aiming at the problems of slow response speed and chattering phenomenon in general sliding mode control of permanent magnet synchronous motor, a global fast terminal sliding mode control strategy is proposed to improve the response speed a…
View article: An improved LuGre model for calculating static steering torque of rubber tracked chassis
An improved LuGre model for calculating static steering torque of rubber tracked chassis Open
Tire and rubber track interchangeable chassis combines the advantages of tire and rubber track, which can greatly improve the maneuverability of military construction machinery. However, there is almost no effective calculation model for t…
View article: An Electronic Line-Shafting Control Strategy Based on Sliding Mode Observer for Distributed Driving Electric Vehicles
An Electronic Line-Shafting Control Strategy Based on Sliding Mode Observer for Distributed Driving Electric Vehicles Open
This paper proposed control schemes to realize the collaborative control as well as enhance the control precision for the distributed driving electric vehicle (DDEV). Firstly, we suggested an electronic line-shafting (ELS) to realize the c…
View article: An Improved Energy Management Strategy for 24t Heavy-Duty Hybrid Emergency Rescue Vehicle With Dual-Motor Torque Increasing
An Improved Energy Management Strategy for 24t Heavy-Duty Hybrid Emergency Rescue Vehicle With Dual-Motor Torque Increasing Open
Emergency rescue vehicles are special equipment for fire, flood, earthquake and other disasters. They need to have high efficiency and high mobility under various terrain and road conditions. The fuel economy of emergency rescue vehicles i…
View article: Fast Terminal Sliding Mode Control of Permanent Magnet In-Wheel Motor Based on a Fuzzy Controller
Fast Terminal Sliding Mode Control of Permanent Magnet In-Wheel Motor Based on a Fuzzy Controller Open
A fast terminal sliding mode control is proposed in this paper for improving the dynamic performance and robustness of a permanent magnet in-wheel motor system driven by a voltage source inverter. Firstly, a fast terminal sliding mode appr…
View article: Nonsingular Terminal Sliding Mode Control Based on Sensor-Cloud System for Permanent Magnet in-Wheel Motor
Nonsingular Terminal Sliding Mode Control Based on Sensor-Cloud System for Permanent Magnet in-Wheel Motor Open
A nonsingular terminal sliding mode control (NTSMC) scheme based on beetle antennae search (BAS) algorithm is employed in this paper to overcome the internal interference of permanent magnet in-wheel motor (PMIWM) applied in the hybrid ele…
View article: A Cross Coupling Control Strategy for Dual-Motor Speed Synchronous System Based on Second Order Global Fast Terminal Sliding Mode Control
A Cross Coupling Control Strategy for Dual-Motor Speed Synchronous System Based on Second Order Global Fast Terminal Sliding Mode Control Open
A cross coupling control strategy based on second-order global fast terminal sliding mode control(2-GFTSMC) is proposed in this paper aiming to improve the synchronization accuracy of dual-motor under external load and disturbance. Firstly…
View article: Enhancing the Interfacial Adhesion with Rubber Matrix by Grafting Polydopamine-Carbon Nanotubes onto Poly(p-phenylene terephthalamide) Fibers
Enhancing the Interfacial Adhesion with Rubber Matrix by Grafting Polydopamine-Carbon Nanotubes onto Poly(p-phenylene terephthalamide) Fibers Open
To enhance the interfacial adhesion between poly(p-phenylene terephthalamide) (PPTA) fibers and a rubber matrix without damaging the fiber structures, aminated carbon nanotubes (NH2-CNTs) were mildly deposited onto the fiber surface by com…
View article: A Novel Method for Deposition of Multi-Walled Carbon Nanotubes onto Poly(p-Phenylene Terephthalamide) Fibers to Enhance Interfacial Adhesion with Rubber Matrix
A Novel Method for Deposition of Multi-Walled Carbon Nanotubes onto Poly(p-Phenylene Terephthalamide) Fibers to Enhance Interfacial Adhesion with Rubber Matrix Open
In order to enhance the interfacial adhesion of poly(p-phenylene terephthalamide) (PPTA) fibers to the rubber composites, a novel method to deposit multi-walled carbon nanotubes (MWCNTs) onto the surface of PPTA fibers has been proposed in…
View article: A Novel Energy Management Strategy for Series Hybrid Electric Rescue Vehicle
A Novel Energy Management Strategy for Series Hybrid Electric Rescue Vehicle Open
The performance and fuel consumption of hybrid electric vehicle heavily depend on the EMS (energy management strategy). This paper presents a novel EMS for a series hybrid electric rescue vehicle. Firstly, considering the working character…
View article: Investigation on machinability of the oxide layer in anodic oxidation of reaction-sintered silicon carbide by pure-water
Investigation on machinability of the oxide layer in anodic oxidation of reaction-sintered silicon carbide by pure-water Open
Oxidation-assisted polishing has been developed as an efficient method for precision machining of reaction-sintered silicon carbide (RS-SiC), and characteristic of the oxide layer is the critical factor to obtain a fine surface property. M…
View article: A steering control strategy based on torque fuzzy compensation for dual electric tracked vehicle
A steering control strategy based on torque fuzzy compensation for dual electric tracked vehicle Open
A steering control strategy based on bilateral torque fuzzy compensation for dual electric tracked vehicle is proposed in this paper. After the dynamic analysis of tracked vehicles, the mapping relationship between acceleration signal, bra…
View article: Dual motor drive vehicle speed synchronization and coordination control strategy
Dual motor drive vehicle speed synchronization and coordination control strategy Open
Multi-motor driven systems are more and more widely used in the field of electric engineering vehicles, as a result of the road conditions and the variable load of engineering vehicles, makes multi-motors synchronization coordinated contro…
View article: Research status in ultra-precision machining of silicon carbide parts by oxidation-assisted polishing
Research status in ultra-precision machining of silicon carbide parts by oxidation-assisted polishing Open
Oxidation-assisted polishing is an important machining method for obtaining SiC parts with high precision. Through plasma oxidation, thermal oxidation, and anodic oxidation, soft oxide can be obtained on the RS-SiC substrate. With the assi…
View article: Comparative analysis on surface property in anodic oxidation polishing of reaction-sintered silicon carbide and single-crystal 4H silicon carbide
Comparative analysis on surface property in anodic oxidation polishing of reaction-sintered silicon carbide and single-crystal 4H silicon carbide Open
For effective machining of difficult-to-machine materials, such as reaction-sintered silicon carbide (RS-SiC) and single-crystal 4H silicon carbide (4H-SiC), a novel polishing technique named anodic oxidation polishing was proposed, which …
View article: Research on the Multi-Energy Management Strategy of the Electric Drive System of a Tracked Bulldozer
Research on the Multi-Energy Management Strategy of the Electric Drive System of a Tracked Bulldozer Open
The multi-energy management strategy of electric drive system of tracked bulldozer was researched. Firstly, based on power requirement of typical working condition of a tracked bulldozer, the power distribution strategy for three energy so…
View article: Design and Optimization of the Power Management Strategy of an Electric Drive Tracked Vehicle
Design and Optimization of the Power Management Strategy of an Electric Drive Tracked Vehicle Open
This article studies the power management control strategy of electric drive system and, in particular, improves the fuel economy for electric drive tracked vehicles. Combined with theoretical analysis and experimental data, real-time cont…
View article: Fuzzy control and wavelet transform-based energy management strategy design of a hybrid tracked bulldozer
Fuzzy control and wavelet transform-based energy management strategy design of a hybrid tracked bulldozer Open
A new hybrid system of a tracked bulldozer is designed, which primarily consists of an engine-generator set, a battery pack, and a supercapacitor. According to the power requirements of typical working conditions and the output feature of …
View article: Efficient processing of reaction-sintered silicon carbide by anodically oxidation-assisted polishing
Efficient processing of reaction-sintered silicon carbide by anodically oxidation-assisted polishing Open
Reaction-sintered silicon carbide (RS-SiC) is a promising optical material for the space telescope systems. Anodically oxidation-assisted polishing is a method to machine RS-SiC. The electrolyte used in this study is a mixture of hydrogen …
View article: Mechanism analysis on finishing of reaction-sintered silicon carbide by combination of water vapor plasma oxidation and ceria slurry polishing
Mechanism analysis on finishing of reaction-sintered silicon carbide by combination of water vapor plasma oxidation and ceria slurry polishing Open
Reaction-sintered silicon carbide (RS-SiC), which is considered as a promising mirror material for space telescope systems, requires a high surface property. An ultrasmooth surface with a Ra surface roughness of 0.480 nm was obtained after…