Academic literature on the topic 'Motorcycle helmet testing'

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Journal articles on the topic "Motorcycle helmet testing"

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CERNICCHI, ALESSANDRO, UGO GALVANETTO, and ROBIN OLSSON. "VIRTUAL TESTING OF COMPOSITE MOTORCYCLE HELMETS." International Journal of Modern Physics B 22, no. 09n11 (April 30, 2008): 1705–11. http://dx.doi.org/10.1142/s0217979208047298.

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A study about the response of motorcycle helmets to impacts is described in this paper and possible ways to improve current designs are discussed. Firstly, a simple unidimensional model of helmet is analyzed and the main parameters that affect its response are pointed out. Subsequently, the generation and testing of the Finite Element model of a commercially available helmet are described and numerical results are compared to experimental results. Finally, the FE modeled is used to compare different design configurations.
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Rollastin, Boy. "Material Biokomposit Sebagai Material Alternatif Sungkup Helm." Manutech : Jurnal Teknologi Manufaktur 9, no. 01 (May 7, 2019): 6–11. http://dx.doi.org/10.33504/manutech.v9i01.24.

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A Helmet is an equipment that should be used by motorcycle riders. The correct function of helmets is to protect motorcycle riders from head injuries during accident and head collision. Most of helmets existing in markets are produced by helmet factories. Those helmets have to meet certain standards, including the use of materials to construct the helmet lid and the testing processes on the helmet itself. The price of used materials is quite high because those materials are still imported from overseas. It causes the increasing of helmet production cost and the helmet prices in the market become quite expensive. This research aims to find how a biocomposite material (consisting of 85% PP, 10% rice husk and 5% MAPP) can be used as an alternative replacement material for helmet lid preparation. The process is conducted by using finite element software. The result of the testing shows that the test penetration model with 4 mm thickness is not penetrated by indenters. Whereas the result of impact simulation testing of 146.84 g is still classified as a safe limit in accordance with the requirements of SNI 1811-2007 of 300 g.
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Rollastin, Boy. "Uji Penetrasi Spesimen Pada Sungkup Helm Berbahan Biokomposit Sebagai Bahan Alternatif Pengganti Helm." Manutech : Jurnal Teknologi Manufaktur 10, no. 01 (May 15, 2019): 9–15. http://dx.doi.org/10.33504/manutech.v10i01.53.

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The correct function of helmets is to protect motorcycle riders from head injuries during accident and head collision. Most of helmets existing in markets are produced by helmet factories. The price of used materials is quite high because those materials are still imported from overseas. It causes the increasing of helmet production cost and the helmet prices in the market become quite expensive. This research aims to find how a biocomposite material (85 % PP, 10 % husk of rice and 5 % MAPP) can be used as an alternative replacement material for helmet lid preparation on the condition of passing the SNI standar test, namely the penetration test. The testing process is carried out by using the test tools referring to SNI 181-2007. The results of penetration test with thickness of 4 mm showed that the speciment can not be penetrated by indenter in accordance with the requirements of SNI 1811-2007. So that the testing can be used as a reference for alternative materials to make a standard helmet lid.
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Scappaticci, Lorenzo, Giacomo Risitano, Dario Santonocito, Danilo D’Andrea, and Dario Milone. "An Approach to the Definition of the Aerodynamic Comfort of Motorcycle Helmets." Vehicles 3, no. 3 (August 23, 2021): 545–56. http://dx.doi.org/10.3390/vehicles3030033.

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The aim of this work is to obtain a reliable testing methodology for the characterization of the perceived aerodynamic comfort of motorcycle helmets. Attention was paid to the rider’s perception of annoying vibrations induced by wind. In this optic, an experimental comparative campaign was performed in the wind tunnel, testing 16 helmets in two different configurations of neck stiffness. The dataset was collected within a convolutional neural network (CNN or ConvNet) of images, creating a ranking by identifying the best and the worst helmets. The results revealed that each helmet has unique aerodynamic characteristics. Depending on the ranking scale previously created, the aerodynamic comfort of each helmets can be classified within the scale.
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Papadopoulou, Joanna, Vassilis Papakostopoulos, and Vassilis C. Moulianitis. "RE-DESIGN OF A MOTORCYCLE HELMET FOR USE IN URBAN TRAFFIC: CONCEPTUAL DESIGN AND TESTING." Proceedings of the Design Society 1 (July 27, 2021): 2531–40. http://dx.doi.org/10.1017/pds.2021.514.

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AbstractThis paper presents the re-design approach of an urban motorcycle helmet to prevent users bypassing the strap fastening system. Related studies show that although a full-face helmet provides the maximum protection to a rider, in practice, full-face helmeted riders in urban traffic tend to improperly fasten it. On that notion, the design goal was to conceive a helmet that combines the advantages of different helmet types while responding to urban driving needs. During design ideation possible solutions were examined focusing on different ways of accessing and fixating the helmet on a rider’s head, without using a strap fastening system. Preliminary concept development produced three design concepts, that were evaluated using two sets of prototypes: (a) the 3D printing method under a 1:2 scale was used to detect any design faults, while the 3D modeled concepts were evaluated in four different crash impacts regarding total deformation and von-Mises stress, and (b) 1:1 models of the three concepts were used by experienced riders to assess possible usability issues during helmet placement/removal. Results of the two-phase evaluation of the three concepts and design issues for further development of them are discussed.
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Jomnonkwao, Sajjakaj, Duangdao Watthanaklang, Onanong Sangphong, Thanapong Champahom, Napat Laddawan, Savalee Uttra, and Vatanavongs Ratanavaraha. "A Comparison of Motorcycle Helmet Wearing Intention and Behavior between Urban and Rural Areas." Sustainability 12, no. 20 (October 12, 2020): 8395. http://dx.doi.org/10.3390/su12208395.

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The motorcycle is one of the important modes of transport for Thai people in all provinces due to its convenience and ability to access all areas and cover short distances, which is especially convenient for rural people. However, according to the accident record, it was found that the motorcycle was the vehicle causing the highest amount of accidents, and helmet wearing could save lives and reduce the level of severe injuries. In this regard, the objective of this study was to study and develop a model of factors that affected helmet use behavior using structural equation modeling (SEM) based on the Health Belief Model (HBM). Further, this study compared urban and rural models, so as to suggest suitable guidelines for the promotion of helmet use in the study areas. The sample comprised 801 motorcycle users divided into 401 urban residents and 400 rural residents. From the parameter invariance testing in the two areas, a chi-square difference test found differences in the factor loading, intercepts, and structural paths between urban and rural societies.
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Nurhidayat, Andi Muhammad Nur, and Muhammad Nur Akbar. "System Security for Motorcycle with Arduino." Ainet : Jurnal Informatika 2, no. 2 (September 28, 2020): 30–38. http://dx.doi.org/10.26618/ainet.v2i2.4938.

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Nowadays, vehicles are the main requirement for carrying out activities of daily life. One of the most widely used by Indonesians is motorbikes. The motorcycle safety system provided by motorcycle manufacturers has not been effective and still has many shortcomings. Besides, the rampant motorcycle thief and robbery cases have made vehicle owners have to pay attention to their motorbikes' safety. An integrated motorcycle safety system is much needed. The design of a motorcycle vehicle system that is integrated with the Arduino via Bluetooth media provides quite maximum test results. Based on the results of testing, the accuracy of the tool gives 99% results. This safety system can turn off and turn on the motorcycle stock contact automatically. When the motorbike is on, Bluetooth on the motorbike and Bluetooth on the helmet are separated beyond a distance of 10 meters, the stock contact on the motorcycle vehicle will turn off so that the motorbike cannot be turned on at the same time the alarm will flash. The motor can be turned on after Bluetooth on the helmet, and the motorbike is connected or reconnected. With this, the safety standards on motorbikes are getting better. Motorcycle users will feel safe after leaving their vehicle.
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Al Kautsar, Rachmad Jibril, Fitri Utaminingrum, and Agung Setia Budi. "Helmet Monitoring System using Hough Circle and HOG based on KNN." Lontar Komputer : Jurnal Ilmiah Teknologi Informasi 12, no. 1 (March 29, 2021): 13. http://dx.doi.org/10.24843/lkjiti.2021.v12.i01.p02.

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Indonesian citizens who use motorized vehicles are increasing every year. Every motorcyclist in Indonesia must wear a helmet when riding a motorcycle. Even though there are rules that require motorbike riders to wear helmets, there are still many motorists who disobey the rules. To overcome this, police officers have carried out various operations (such as traffic operation, warning, etc.). This is not effective because of the number of police officers available, and the probability of police officers make a mistake when detecting violations that might be caused due to fatigue. This study asks the system to detect motorcyclists who do not wear helmets through a surveillance camera. Referring to this reason, the Circular Hough Transform (CHT), Histogram of Oriented Gradient (HOG), and K-Nearest Neighbor (KNN) are used. Testing was done by using images taken from surveillance cameras divided into 200 training data and 40 testing data obtained an accuracy rate of 82.5%.
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Wen, Wei Cai, and Dong Ming Fu. "Experimental Study on the Effect of Density of EPS Buffer Layer on the Cushioning Property of Motorcycle Helmet." Applied Mechanics and Materials 455 (November 2013): 539–43. http://dx.doi.org/10.4028/www.scientific.net/amm.455.539.

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Build the model of motocross-style helmet with a dual - density and series-parallel EPS buffer layer and trial-produce helmet samples. Establish the impact experiment of the helmet model and obtain the values of HIC and Peak ACC based on the testing regulations of ECE R22.05. According to the analysis of the test results, the influence law of different EPS material densities to cushioning effect of the helmet was analyzed specifically. Experimental results show that the minimum values of HIC and Peak ACC can be obtained when the density of EPS is designed to be 0.06g/cm3; a dual - density and series - parallel EPS buffer layer has higher than 76 % of the energy absorption efficiency, and this buffer structure well reduces the values of HIC and Peak ACC, and provides effective protection for the head.
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Pratellesi, A., S. Turrin, T. Haag, A. Scippa, and N. Baldanzini. "On the effect of testing uncertainties in the homologation tests of motorcycle helmets according to ECE 22.05." International Journal of Crashworthiness 16, no. 5 (October 2011): 523–36. http://dx.doi.org/10.1080/13588265.2011.611397.

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Dissertations / Theses on the topic "Motorcycle helmet testing"

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Godfrey, Nicholas P. M. "Mathematical modelling of a helmeted head under impact." Thesis, Brunel University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.292391.

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Mojumder, Sounak. "Motorcyclist helmets under oblique impacts and proposal of a new motorcycle helmet testing method." Thesis, Strasbourg, 2018. http://www.theses.fr/2018STRAD014.

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Plusieurs études ont montré que dans les accidents réels, la vitesse d’impact de la tête n’est que rarement normale à la surface et présente une composante tangentielle non négligeable. Aucune norme, à l’heure actuelle ne propose de choc oblique avec enregistrement de l’accélération en translation et en rotation de la fausse tête. Un aspect essentiel de cette recherche a été d’aborder les descriptions d’accidents réels impliquant un motocycliste et un véhicule afin d’évaluer les conditions aux limites de la tête juste avant impact, en termes de vecteur vitesse et de localisation d’impact. Cette étude a permis d’établir le vecteur vitesse possible et de l’angle d’impact de la tête du motocycliste en situation. Une méthode de test pour évaluer le casque a été proposée. Les tests d'impact obliques, sont effectués avec une vitesse d’impact de 8.5 m/s sur une enclume inclinée de 45° permettant la rotation autour de l’axe Y X et Z. Les accélérations 6-D sont implémentés dans le modèle SUFEHM afin d’extraire la déformation axonal maximale et le risque lésionnel. Cette fusion de la méthode expérimentale et numérique donne un avantage par rapport aux normes conventionnelles, tant en termes de conditions d’impact qu’en termes de critère de blessure de la tête
It is well know that in case of accident the head does not only impact perpendicularly to the impacted structure but presents an oblique impact condition. However none of the today helmet standards do integrate oblique impacts with the recording of the dummy head rotational acceleration. An essential aspect of the present research is to simulate real world accident and to compute the victim’s kinematic in order to extract the head impact conditions. In collaboration with University Florence (Italy) 19 cases were considered and it was shown that the head impact velocity vector presents a significative angle. A novel helmet test method has been proposed. Helmeted headfoml is impacting a 45° inclined anvil at a speed of 8.5 m/s and the 6D acceleration versus time curves are introduced into an existing head FEM in order to compute the axon strains and to derive the brain injury risk
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Books on the topic "Motorcycle helmet testing"

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Office, General Accounting. Highway safety: Motorcycle helmet laws save lives and reduce costs to society : report to congressional requesters. Washington, D.C: The Office, 1991.

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Krüger, Hans Joachim. Schutzhelme motorisierter Zweiradfahrer: Windkräfte und Beharrungsvermögen bei Unfällen. Düsseldorf: VDI Verlag, 1985.

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Office, General Accounting. Highway safety: Causes of injury in automobile crashes : report to Congressional requesters. Washington, D.C: The Office, 1995.

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Office, General Accounting. Highway safety: Reliability and validity of DOT crash tests : report to Congressional requesters. Washington, D.C: The Office, 1995.

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Office, General Accounting. Highway safety: Have automobile weight reductions increased highway fatalities? : report to Congressional requesters. Washington, D.C: The Office, 1991.

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Office, General Accounting. Highway safety: Federal and state efforts to address rural road safety challenges : report to congressional committees. Washington, D.C: GAO, 2004.

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Office, General Accounting. Highway safety: Safety belt use laws save lives and reduce costs to society : report to Congressional requesters. Washington, D.C: The Office, 1992.

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Office, General Accounting. Highway safety: Factors affecting involvement in vehicle crashes : report to Congressional requesters. Washington, D.C: The Office, 1994.

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Highway safety: Interim report on safety belt and motorcycle helmet effectiveness : report to the Subcommittee on Water Resources, Transportation, and Infrastructure, Committee on Environment and Public Works, U.S. Senate. Washington, D.C: The Office, 1991.

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Highway safety: Factors affecting involvement in vehicle crashes : report to Congressional requesters. Washington, D.C: The Office, 1994.

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Conference papers on the topic "Motorcycle helmet testing"

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Ebrahimi, Iman, Farid Golnaraghi, Gary Wang, Ali Madani, David Yin, Jun Lu, Alexandrea Chor, and Combiz Jelveh. "Safety Design Evaluation of Motorcycle Helmet for Oblique Impact." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70484.

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In this work, safety of motorcycle helmet design is investigated by using standard oblique impact test method. First, testing procedure is explained and test rig mechanism is introduced. Next, standard impact tests are performed on helmets. Data are collected using a tri-axial linear accelerometer embedded inside the headform and a high speed camera for measuring rotational acceleration. Then, results are studied and compared to injurious limit for human head injury. It is shown that during an oblique impact rotational acceleration can easily surpass the safe limit while the linear acceleration is well below the safe limit.
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Vasquez, Kimberly B., Katie P. Logsdon, Daniel B. Dorman, and Valeta Carol Chancey. "Combat Helmet-Headform Coupling Characterized From Blunt Impact Events." In ASME 2011 International Mechanical Engineering Congress and Exposition. ASMEDC, 2011. http://dx.doi.org/10.1115/imece2011-64213.

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Observed head injury has historically been mechanically related to headform center of gravity (CG) acceleration. Helmets (motorcycle, sports, military, etc.) are evaluated based on the headform CG peak acceleration for blunt impacts. However, recent interest has shifted to collecting data from the helmet shell itself, as it is an optimal location for mounting sensors due to ease of access, sufficient surface area availability, and limited interference to the wearer. In order to accurately predict head injury from data collected on the helmet shell, the helmet and headform must be rigidly coupled. Headform-helmet fit typically is dependent on the pad fitting system and the person mounting the helmet to the headform because a standard states which headform to use. The objective of this study is to compare the Department of Transportation (DOT) headform (currently used in military blunt impact testing) to the more anthropomorphic International Standard Organization (ISO) half headform. Testing was completed on a monorail drop tower to analyze the effect of helmet/headform coupling on the blunt impact behavior of ACH helmets using FMVSS test methodology. Three headform configurations were used: the DOT headform (standard for military helmet blunt impact testing) with required surrogate chin, the ISO half headform (standard for ASTM helmet testing), and the ISO half headform with a surrogate chin. The two currently field-approved pad types were also used to determine best headform-helmet fit. Results from these series of tests will be presented, including headform peak acceleration and relative motion between the helmet and headform.
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Kassar, Sari, Sarah Siblini, Bilal Wehbi, Omar Abro, and Mutasem Shehadeh. "Towards a Safer Design of Helmets: Finite Element and Experimental Assessment." In ASME 2016 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/imece2016-66778.

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Motorcycle helmets are vital to protect from recurrent road accidents as they prove crucial in reducing brain trauma. This research piece presents a new and plausible bio-inspired design affined to the foam liner material and structure in helmets. The proposed liner design is inspired from animal horn micro-structure and tubule arrangement. An innovative drop-testing apparatus is presented with a spring-ratchet mechanism for experimental testing. The aim is to validate the new design by meeting the ECE 22.05 standard for motorbike helmets using peak linear acceleration and HIC criteria. Experimental results are partly verified against FEA simulations for two proposed samples. Further samples call for more complex simulations at a later stage to best describe material properties and structures.
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