Development of Multi-use Road Simulator

Harashima, Shokichi; Takahashi, Hiroshi; Shinomiya, Kazuo; Kadota, M.; Yasuda, K

doi:10.4271/931912

Cited by 6 publications

(2 citation statements)

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“…Similarly, in [34], the authors instrumented a motorcycle with six strain gauges and two accelerometers to obtain load histories in order to develop an accelerated fatigue test. A motorcycle has been instrumented in [35] and [36] with strain gauges and accelerometers to evaluate the motorcycle fatigue strength by using a simulator. A study on the fatigue induced by structural resonance on motorcycle is presented in [37], the study takes advantage of data acquired from strain gauges on the frame.…”

Section: Derivation Of Standardized Load Spectramentioning

confidence: 99%

Motorcycle Structural Fatigue Monitoring Using Smart Wheels

et al. 2020

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The paper is devoted to the measurement and to the processing of load spectra of forces and moments acting at the wheel hub of a motorcycle. Smart wheels (SWs) have been specifically developed for the scope. Throughout the paper, the extreme case of a race motorcycle is considered. Accurate load spectra were measured in two race circuits. Standardized load spectra are derived by processing measured data. A way to easily generalize the measured load spectra is proposed for the first time for motorcycles. Several loading conditions, related to the motorcycle straight line motion, cornering, curb hit and gear shift, are identified and extracted from the experimental measures. For each loading condition, by means of simple semi-analytical models (SAMs), a relationship is found between the vertical force on the wheel, the tilt angle of the motorcycle and the remaining forces and moments acting at the wheel hub. Such relationships are nothing else than the standardized load spectra. Additionally, a simple and efficient method based on smart wheels for real-time structural monitoring is proposed. Standardized load spectra prove to provide consistent results even when compared to real-time structural monitoring data. By means of the presented smart wheels, advanced lightweight motorcycle construction is enabled by derivation of standardized load spectra or real time estimation of the damage of structural components.

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Section: Derivation Of Standardized Load Spectramentioning

confidence: 99%

Motorcycle Structural Fatigue Monitoring Using Smart Wheels

et al. 2020

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“…The laboratory simulation technology also has been applied to motorcycle industry in order to verify the structural durability of their products, like the HONDA [5][6], BMW, Harley-Davidson [7] and so on. Steward [8] utilized the two-poster road simulator to perform the accelerated laboratory durability test of motorcycles.…”

Section: Introductionmentioning

confidence: 99%

Durability Assessment and Riding Comfort Evaluation of a New Type Scooter by Road Simulation Technique

Lin¹,

Hwang

Chang³

et al. 2006

SAE Technical Paper Series

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The durability and riding comfort performance of a new type scooter were investigated by bench test. The longterm road load data of Taiwan market were measured with accelerometers and strain gauges by the on-line rainflow cycle counting method. The equivalent test track corresponding to 50,000 km in Taiwan market was established with ARTC's proving ground (Automotive Research and Testing Center in Taiwan) by correlation analysis technique. Then we performed the full vehicle bench durability test with load histories obtained by the road simulation technique. After a series of testing, analysis, and modification, the test vehicle already got a satisfactory result for the durability performance. Riding comfort analysis was performed following the ISO 2631 standard with accelerometers near the seat and foot in the bench testing. In order to get an optimum combination of suspension system for this new type scooter, many sets of front and rear suspensions were evaluated. The evaluation software of riding comfort was developed in accordance with ISO 2631 standard by using LabVIEW programming language. Finally, no cracks were observed when this scooter underwent a durability test on the public road more than 50,000 km. It means that above integrated approach was suitable to evaluate the durability and riding comfort performance of a new type vehicle.

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