Thermal Mechanical Coupling Analysis of a Flexible Spoke Non-pneumatic Tire

Fu, Hongxun; Liang, Xuemeng; Wang, Yan; Ku, Laiyun; Zhang, Xiao

doi:10.5545/sv-jme.2021.7401

Cited by 11 publications

(8 citation statements)

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“…Ten, the transfer function between z 2 and z 1 , z 3 and z 1 , and z 1 and z 0 can be obtained by equation (25) as follows:…”

Section: Analysis Of Frequency-domain Responsementioning

confidence: 99%

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Design and Optimization of a New Vibration Damping System for the Driving Characteristics of the Selected Case of Replacing Pneumatic Wheels with Nonpneumatic Wheels

Ding,

Wang,

Wang

et al. 2023

Shock and Vibration

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To cope with the deterioration of vehicle dynamic performance induced by the increased mass and vertical stiffness of selected nonpneumatic wheels (NPWs), this study proposed a new vibration damping system (NVDS) based on the dynamic vibration absorber (DVA). First, a quarter-vehicle model containing the effective vertical stiffness of the NPW is established. Then, the effect of increased wheel mass and stiffness on vehicle dynamic performance is investigated from various aspects. To improve the handling performance of the vehicle with NPWs, a DVA-based NVDS is proposed. The sensitivities of handling performance and ride comfort to parameter changes are investigated to determine the selection range of parameters. The multiobjective genetic algorithm (GA) is employed to determine the optimal parameters of NVDS. The results obtained under different road excitations indicate that the proposed NVDS can significantly enhance the handling performance and ride comfort of the vehicle.

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“…Ten, the transfer function between z 2 and z 1 , z 3 and z 1 , and z 1 and z 0 can be obtained by equation (25) as follows:…”

Section: Analysis Of Frequency-domain Responsementioning

confidence: 99%

“…Gasmi et al [18] simplifed the tread of the NPW as a bending beam and the spokes as springs and constructed a quasi-static, twodimensional analysis model. Additionally, various studies regarding wheel ground contact behaviour [19][20][21], rolling resistance [22,23], and fatigue life [24,25] are also conducted by scholars.…”

Section: Introductionmentioning

confidence: 99%

Design and Optimization of a New Vibration Damping System for the Driving Characteristics of the Selected Case of Replacing Pneumatic Wheels with Nonpneumatic Wheels

Ding,

Wang,

Wang

et al. 2023

Shock and Vibration

View full text Add to dashboard Cite

show abstract

“…The result shows that the high temperature zone is mainly distributed in the middle bending part of the flexible spoke unit of non-pneumatic tires, and the temperature gradually decreases from the center to the periphery. The influence of load on the temperature change of non-pneumatic tires is greater than the driving speed, which provides a theoretical basis and method guidance for solving the failure problem of non-pneumatic tires under thermodynamic coupling [ 15 , 16 ]. Many scholars have developed the influence of temperature, road conditions, pattern types, and other factors on the rolling resistance of tires.…”

Section: Introductionmentioning

confidence: 99%

Modeling and Verification of Rolling Resistance Torque of High-Speed Rubber Track Assembly Considering Hysteresis Loss

Kang

Shen

et al. 2023

Polymers

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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 different from traditional tires and metal tracks, the rolling resistance theory of traditional wheeled and tracked vehicles is not applicable. Therefore, in order to determine the rolling resistance scientifically and accurately, the mechanism research of the rolling resistance of high-speed rubber track assembly is the key to the design of high-speed rubber crawler vehicles. In this paper, the stress–strain characteristics of rubber track under the action of compression, tension, bending, and driving were studied. The strain load spectrum of rubber tracks was established, and the strain cyclic load was extracted by the rainflow method. The temperature model of the rubber track was developed based on its dynamic characteristics. On the basis of energy conservation, the hysteresis loss of rubber is equivalent to the energy consumption of rolling resistance, and the theoretical model of rolling resistance of high-speed rubber track assembly is established. In accordance with the model above, the key influencing factors and changing trends of rolling resistance are analyzed, which provides a theoretical basis for the performance optimization of high-speed rubber track assembly.

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“…Robots have been increasingly used in aerospace, industrial production, geological exploration, and other fields. When carrying out the design of robots (except fixed-position robots), the traveling mechanism, as the crucial system for performing tasks, is mainly wheeled traveling device, legged traveling device, crawler traveling device, or composite traveling device [1] to [3]. Wheeled traveling devices are widely used because of their adaptability, reliable operation, and easy control.…”

Section: Introductionmentioning

confidence: 99%

Design of a Self-Folding Composite Variable-Diameter Wheel Structure based on 4D Printing Technology

Zhang¹,

Zhuang²,

Li³

2023

sv-jme

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The conventional variable-diameter wheel’s complex control system and structure seriously affect its mobility and dependability in unstructured terrain. Based on 4-dimensional (4D) printing technology, this work proposes a self-folding composite variable-diameter wheel consisting of a self-folding structure and an outer hub that can self-adjust the wheel diameter under thermal stimulation, avoiding the drawbacks of conventional structures. The structure integrates the control system and variable-diameter mechanical structure using 4D printing. The design and construction of the self-folding structures are introduced, and the mathematical model and design parameters for self-folding motion are obtained using kinematic analysis. Based on the above research and material properties analysis, a programmable morphing structural design and morphing influence investigation based on manufacturing parameters are carried out for the self-folding rod that controls the contraction of this structure. The digital model and prototype have been developed to verify the feasibility of the design and the correctness of the theoretical analysis and to realize the self-adjusting wheel diameter under thermal stimulation.

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Thermal Mechanical Coupling Analysis of a Flexible Spoke Non-pneumatic Tire

Cited by 11 publications

References 0 publications

Design and Optimization of a New Vibration Damping System for the Driving Characteristics of the Selected Case of Replacing Pneumatic Wheels with Nonpneumatic Wheels

Design and Optimization of a New Vibration Damping System for the Driving Characteristics of the Selected Case of Replacing Pneumatic Wheels with Nonpneumatic Wheels

Modeling and Verification of Rolling Resistance Torque of High-Speed Rubber Track Assembly Considering Hysteresis Loss

Design of a Self-Folding Composite Variable-Diameter Wheel Structure based on 4D Printing Technology

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