Aries launcher collection has been deisgned to perform impact tests for research, development and certification according to different. The measures are aimed at absorbing the kine tic energy of an impacting occupant head by providing for suitable interior trimmings in such a manner that the resul ting head accelerations are reduced, thus lowering the head injury criterion to less than. Yoshinori noritake toyota motor corp copyright 1997 society. Technical report evaluating the 19992003 head impact upgrade. Example visual dss ihit tools for integrated fmvss 201 simulation 6. Department of transportation, national highway traffic safety administration. Joe lemmon fmvss 201 head impact development specialist at chrysler greater detroit area 42 connections. Part 571 federal motor vehicle safety standards subpart b federal motor vehicle safety standards section 571. Upper interior head impact protection, tp201u01, 1998 3 u. Energy management foam ea eaglezorb polyurethane foam.
On the striking side of the vehicle, place an impact reference line at the intersection of the vehicle exterior and a transverse vertical plane passing through the center of gravity of the head of the dummy seated in accordance with s8. Iat experts had developped tools and processes for handling this complex issue. Tests were conducted on march 2428, 2011 on a 2011 hyundai elantra gls mt. Both regulations stipulate requirements concerning the maximum head acceleration or the hic in impacts on interior parts. The purpose of this head impact compliance test was to determine whether the subject vehicle, a 20 audi q5 hybrid, meets the performance requirements of fmvss 201, occupant protection in interior impact upper interior head impact protection. Pendulum head impact test machinehodogayagiken corporation. Theoretical relationship of hic d to crush space for fmvss. Headform finite element model as a predictive tool for. The performance test requirements of fmvss 201 limit the force allowed when a dummy headform impacts locations. Design development of energy absorbing ribs for meeting fmvss.
Structural performance with energy absorbing capability to prevent head injury is now a significant addition to these requirement. The purpose of federal motor vehicle safety standard fmvss 201 occupant protection in interior impact is to reduce occupants risk of head injury in crashes. Aries launcher collection has been deisgned to perform impact tests for research, development and certification according to different regulations worldwide, either over complete. It then fires this headform accurately against defined positions at defined angles.
The purpose of this test was to evaluate upper interior head impact protection. Tests were conducted on march 1617, 2010 on a 2010 chevrolet equinox mpv. Design development of energy absorbing ribs for meeting. Automobile manufactures has to satisfy this regulation which includes head impact protection on interior parts such as apillar, roof, side rails, bpillar, to satisfy this. Federal motor vehicle safety standard number 201 fmvss no. Federal register federal motor vehicle safety standards. Cae methods for simulating fmvss 201 interior head impact. Fmvss 201 specifies a finite set of impact locations and applies to passenger vehicles of a specified year range and with a gross vehicle weight rating less than. The test procedure requires that a part 572 subpart l, freemotion headform. The system is propelled by a rotating piston powered by nitrogen. The morestringent fmvss 201 requirements have made both oems and material suppliers consider new design approaches and. Public meetings national highway traffic safety administration.
Introduction the free motion headform fmh used in the fmvss the test procedure fmvss 201 1 was established to increase protection from head injury in crashes. Structural performance with energy absorbing capability to prevent head injury is. Overview ihit tools upper interior targets locater instrument panel targets locater contactable robustness points and 12. Meeting these three standards are critical to your personal safety in the event of an auto accident. Head impact criteria hic the head injury criteria hic threshold for this effort leverages the performance criterion used in the automotive. A design methodology for interior components to comply with. Tests were conducted on october 12, 2015 on a 2015 subaru outback. Subpart b federal motor vehicle safety standards section 571. The fmvss 201 upper interior compliance test sponsored by the national highway traffic safety administration nhtsa was conducted under contract dtnh2211d00246. Yoshinori noritake toyota motor corp copyright 1997. Fmvss 201 safety regulation stipulates that the head injury criterion, hic d should be less than when a fmh is impacted at a speed of 15 mph. Interior parts such as door panels, pillar finishers, headliner, and additional energy absorbing components, are designed more and more by.
Subtitle b other regulations relating to transportation continued chapter v national highway traffic safety administration, department of transportation. The intent of this regulation is to increase the level of occupant protection in head impacts with vehicle upper interior structures. Jan 20, 2017 head impact test with betaseal 1527 full version 38mb. Interior parts such as door panels, pillar finishers, headliner, and additional energy absorbing components, are designed more and more by increasing reliance. Introduction recent revisions to the federal motor vehicle safety standard fmvss 201 have had a significant impact on the design and engineering of upper interior trim components of. Fmvss 201p interior head impact pole fmvss 201u interior head impact upper fmvss 202a head impact. Internationally there are two important regulations regarding the design of interiors, such as cockpits, roof and door liners. Automobile manufactures has to satisfy this regulation which includes head impact protection on interior parts such as apillar, roof, side rails, bpillar, to satisfy this regulation requires certain procedures and methodology. Early design validation of vehicle interiors for fmvss 201.
Finite element analysis of head impact according to. Full text of safety compliance testing for fmvss 201. Tests were conducted on march 31april 1, 2011 on a 2011 kia optima lx. The acceleration of the ball head is measured with two accelaration sensors in the impactor. Automating instrument panel head impact simulation. Details of modelling the behaviour of plastic trim under impact conditions are included, and an efficient method of setting up the many load cases is described. Fmvss federal motor vehicle safety standards youtube. Safety compliance testing for fmvss 201 occupant protection. Previous history of head protection requirements of fmvss no. Owing to their high stiffnesses and their shape, the pillars of the vehicle necessitate a greater deformation depth than other interior components in the event of a head impact. Eaglezorb friable and semirecoverable polyurethane foam ea systems are designed to protect vehicle occupants in a collision event. All books are in clear copy here, and all files are secure so dont worry about it.
Hic test results before and after the 19992003 head impact upgrade of fmvss 201 the 19992003 head impact upgrade of fmvss 201 federal motor vehicle safety standard fmvss 201 occupant protection in interior impact specifies requirements to afford impact protection for occupants. Seat back head restraint instrument panel 3 impacts the selected impact areas on the test vehicle appeared to comply with the performance requirements of fmvss 201 with the exception of the interior compartment door, located in the center of the instrument panel of the vehicle tested, that did not. Locate the point point 21 on the vehicle interior at the intersection of the horizontal plane passing through the highest point of the forward door opening and a transverse vertical plane plane 32 tangent to the rearmost edge of the forward door, as viewed laterally with the adjacent door open. Development and characterization of new headliner material.
Evaluation of the 19992003 head impact upgrade of fmvss. Evaluation of the 19992003 head impact upgrade of fmvss no. The purpose of this impact compliance test was to determine. Head impact on ip upper interior head impact frontal impact upfront virtual computer aided engineering capabilities may, 2009 12. The fmvss 201 upper interior compliance test sponsored by the national highway traffic safety administration nhtsa was conducted under contract dtnh2211d 00246. Technical report evaluating the 19992003 head impact. At the last meeting, nhtsa said they expected to publish the final rule regarding upper interior head impact requirements, including minimum distances, new definitions, and test procedures for new doorframes and vertical seat belt mounting structures, in august 2003. Read online cae methods for simulating fmvss 201 interior head impact book pdf free download link book now. This head impact compliance test is part of the fmvss 201 occupant protection in interior impact test program sponsored by the national highway traffic safety administration nhtsa under contract no. The fe analysis results indicate the rib cartridge system is able to meet the fmvss 201 requirements. The purpose of this head impact compliance test was to determine whether the subject vehicle, a 2011 kia optima lx, meets the performance requirements of fmvss 201, occupant protection in interior impact upper interior head impact protection.
This paper describes progress in cae techniques for the simulation of interior head impact ihi tests to fmvss 201. The purpose of this head impact compliance test was to determine whether the subject vehicle, a 2011 hyundai elantra gls m t, meets the performanc e requirements of fmvss 201, occupant protection in interior impact upper interior head impact protection. This final rule incorporates a dynamic pole test into federal motor vehicle safety standard fmvss no. To meet the test, vehicle manufacturers will need to assure head and improved chest protection in side crashes. For the us legislation requirement fmvss 201 u, continental uses a bia facility for positioning the free motion headform fmh within vehicle interiors. Effectiveness of energyabsorbing materials without headprotection air bags. Fmvss 201, occupant protection in interior impact upper interior head impact protection, requires passenger cars, and trucks, buses and multipurpose passenger vehicles ltvs with a gross vehicle weight rating gvwr of 4,536 kilograms or less, except that the requirements of s6 do not apply to buses with a gvwr of 3,860. Tests were conducted on june 67, 20 on a 20 audi q5 hybrid, manufactured by audi ag. Joe lemmon fmvss 201 head impact development specialist. The advantage of using a rotating piston is a constant acceleration and therefore a higher speed accuracy than with a linear driven pendulum. Introduction recent revisions to the federal motor vehicle safety standard fmvss 201 have had a significant impact on the design and engineering of upper interior trim components of cars and light trucks. An analytical study of system variables for meeting fmvss 201. With the aid of the finite element method, head impact analyses are conducted with reference to various energyabsorbing components.
Hic test results before and after the 19992003 head impact. Download cae methods for simulating fmvss 201 interior head impact book pdf free download link or read online here in pdf. The extended federal motor vehicle safety standard no. An analytical study of system variables for meeting fmvss 201 head impact requirements q zhou. On august 18, 1995, the national highway traffic safety administration nhtsa issued a final rule august 1995 amending federal motor vehicle safety standard fmvss no. This paper discusses and proposes a design methodology for automotive interior components to ensure that they comply with fmvss 201 head impact requirements.
Hic test results before and after the 19992003 head. Basically, various problemsolving approaches are pos. In a workshop exemplary head impact locations in a vehicle interior and impact. The purpose of this test was to evaluate upper interior head impact protection performance of a 2015 subaru outback. A head impact in the vehicle interior is broken down into 2 large areas. Pdf automating instrument panel head impact simulation. Validation of the ftarup free motion headform finite element model as a predictive tool for ihi is shown. The head impact protection provisions of standard no. It establishes requirements for the use of energyabsorbing materials on the interior components such as instrument panels, seat backs, interior doors, armrests and sun visors. The purpose of federal motor vehicle safety standard fmvss no. Hicd values and it is assumed that mounted warfighters are.
Finite element analysis of head impact according to extended. Revisions to the fmvss 201 head impact legislation have had a significant impact on the design and engineering of upper interior trim components of cars and light trucks. The purpose of this test was to evaluate upper interior head impact protection performance of a 2015 toyota camry. In addition, the development according to the head impact requirements in the overallcontext of vehicle development is described in this seminar. Head impact test with betaseal 1527 full version 38mb youtube. This standard applies to mpvs, trucks and buses with a gvwr or 10,000 lbs. The purpose of this head impact compliance test was to determine whether the subject vehicle, a 2010 chevrolet equinox mpv, met the performance requirements of fmvss 201, occupant protection in interior impact upper interior head impact protection. Federal motor vehicle safety standards fmvss are u. The challenge in fmvss 201 simulations lies in the complex design of interior parts and in the large number of load cases. With respect to these legislative demands, all design work is done virtually.
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