Vibration and shock analysis of specific events during truck and train transport of food products

Paternoster, A.; Vanlanduit, Steve; Springael, Johan; Braet, Johan

doi:10.1016/j.fpsl.2017.12.002

Cited by 21 publications

(11 citation statements)

References 19 publications

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“…The stability of the climbing mechanism is an important issue because the mechanism is targeted for using in robots or vehicles with delivery purposes. For measuring stability of a mobile robot or vehicle, mean value of acceleration perpendicular to the driving direction is suggested 25 , 26 . To ensure and increase stability, the output acceleration performance of the transformable wheel given by the two input motors is required to be at best.…”

Section: Optimization Of Linkage Lengthsmentioning

confidence: 99%

Design optimization of a linkage-based 2-DOF wheel mechanism for stable step climbing

Won

Ryu

Kim

et al. 2022

Sci Rep

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This paper presents the design optimization of a linkage-based wheel mechanism with two degrees of freedom, for stable step climbing. The mechanism has seven rotational joints and one prismatic joint. Kinematic and dynamic analyses of the mechanism were performed. The design was optimized in terms of linkage length and architecture to better manipulate the mechanism in its workspace, which was defined here by the targeted step size, as well as to ensure stability while climbing stairs. Optimization by genetic algorithm was performed using MATLAB. The optimized mechanism exhibited enhanced torque transmission from the input torque to the exerted for at the lobe of the wheel. Compliance control of the transformation will be addressed in the future.

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Section: Optimization Of Linkage Lengthsmentioning

confidence: 99%

Design optimization of a linkage-based 2-DOF wheel mechanism for stable step climbing

Won

Ryu

Kim

et al. 2022

Sci Rep

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show abstract

“…As shown in Figure 4, the entire ED process can be divided into six different periods from the view of acceleration value and timetable: are not representative (Paternoster et al, 2018). Result indicates that it needs to focus on the vibration and impact damage of the distribution process.…”

Section: Analysis Of Acceleration Data At Different Stages During Ed Processmentioning

confidence: 99%

Analysis of vibration acceleration levels and quality deterioration of Chinese bayberry fruit in semi‐vacuum package by express delivery

Jiang

Jin

Zhang

et al. 2021

J Food Process Engineering

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Recent years have witnessed rapid advances in the transportation of Chinese bayberry fruit in China by express delivery (ED). The mainstream express packaging is a fruit basket filled with Chinese bayberry fruit. In order to analyze the vibration, impact and quality changes of bayberry fruit in the actual ED process, BiQi (BQ) and Dongkui (DK) bayberry fruit were selected as experimental objects. Real-time acceleration and temperature of Chinese bayberry fruit in the package were recorded during ED transportation. Headspace CO 2 gas concentration and squeezed juice percentage were measured when unpacking. The firmness and electronic nose (E-nose) linear discriminant analysis (LDA) statistical results were measured during the 2-day shelf life. The results show that semivacuum packaging can reduce the vibration intensity of Chinese bayberry fruit in the package. Whether it was BQ or DK bayberry fruit, the fruit quality of Chinese bayberry fruit sent by ED was considerably worse than that of road vehicle (RV) transportation when unpacking. The LDA statistics of E-nose data showed that ED-treated bayberry fruit barely constituted the fresh part. However, differences were noticed between the varieties. Compared with DK bayberry fruit, BQ bayberry fruit had more of its juice squeezed; further, its firmness had decreased more. In conclusion, multiple impacts and high-intensity vibrations are the main reason for Chinese bayberry fruit damage during ED transportation. Compared to BQ bayberry fruit, DK bayberry fruit is more resistant to mechanical damage and is more suitable for ED. Practical ApplicationsCultivar Dongkui bayberry is more resistant to mechanical damage than BiQi bayberry after many aspects of comparison, and is suitable for express delivery (ED) transportation. To reduce the mechanical damage of bayberry fruit, it is suggested to improve the impact-resistant design of existing packaging styles, with simply adding a layer of absorbent pad to the bottom of the fruit basket. The form of foam box semivacuum packaging is not only suitable to bayberry, but also to others such as strawberries during ED transportation.

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“…[5][6][7] Analyses reveal that real vehicle vibration show obvious non-Gaussian characteristics. 8,9 However, most investigations on accelerated random vibration test are based on random vibration with Gaussian distribution because of the complexity of non-Gaussian distribution. Real vehicle vibration can be put into vibration table in laboratory after simulation due to the non-Gaussian characteristic.…”

Section: Introductionmentioning

confidence: 99%

FEM verification of accelerated vibration test method based onG_rms-Tcurve

Wang

2022

Advances in Mechanical Engineering

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Accelerated random vibration test is now the important dynamic performance and safety evaluation technique for transport packaging system during transportation. The current widely used time scale of accelerated random vibration test in engineering test and some standards is “Inverse power law,” which is based on Basquin (power function) fatigue damage model and [Formula: see text] curve, but is not completely suitable for transport packaging system. In author’s previous research, the general theory of accelerated random vibration test based on acceleration PSD and [Formula: see text] curve was developed which is applied for any fatigue damage model besides Basquin type. The study in this paper is the further and extensive research of previous research. The definite expression between response von Mises equivalent stress ([Formula: see text]) of the products and tri-axial acceleration Root-Mean-Square (RMS) was developed, based on which [Formula: see text] curve was transformed to [Formula: see text] curve to describe the product damage. Time scale of accelerated random vibration was obtained. The proposed method was verified by finite element analysis. In addition, the effects of excitation spectrum shape and system damping on the response vibration of products were discussed. This study is valuable in engineering for safety assessment and random vibration analysis of transport packaging system.

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Vibration and shock analysis of specific events during truck and train transport of food products

Cited by 21 publications

References 19 publications

Design optimization of a linkage-based 2-DOF wheel mechanism for stable step climbing

Design optimization of a linkage-based 2-DOF wheel mechanism for stable step climbing

Analysis of vibration acceleration levels and quality deterioration of Chinese bayberry fruit in semi‐vacuum package by express delivery

FEM verification of accelerated vibration test method based onG_rms-Tcurve

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Vibration and shock analysis of specific events during truck and train transport of food products

Cited by 21 publications

References 19 publications

Design optimization of a linkage-based 2-DOF wheel mechanism for stable step climbing

Design optimization of a linkage-based 2-DOF wheel mechanism for stable step climbing

Analysis of vibration acceleration levels and quality deterioration of Chinese bayberry fruit in semi‐vacuum package by express delivery

FEM verification of accelerated vibration test method based onGrms-Tcurve

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Product

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FEM verification of accelerated vibration test method based onG_rms-Tcurve