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Viewing 1 to 30 of 133
2010-04-12
Journal Article
2010-01-0724
Takahiro Mizukami
A simulation technology has been developed to enable prediction of galvanic corrosion in chassis parts where two different materials, iron and aluminum, come into contact with each other. When polarization curves representing a corrosive environment are input, this simulation technology calculates the corrosion current to flow and outputs the volume of aluminum corrosion to be formed near the iron-aluminum interface. The simulation makes it possible to predict the depth of corrosion that may occur in automobiles in the market.
2011-04-12
Technical Paper
2011-01-1251
Sudripto De, PR Ramakrishnan, Kaustav Das
Automotive manufacturers across the world have experienced the saturation of demand in the mature markets. Foraying into the emerging markets of India and China brings a mix of opportunities and challenges. These economies with 15%+ rising consumer demand, 7%+ rise in per-capita income and a passenger car density less than 1/8 of mature markets, hold promise of sustaining double-digit growth of vehicle sales. But the challenges are immense. Ultra-low margins of OEMs, lack of transportation infrastructure, Low level of maturity of funding operations, fragmented demand, import restrictions and mandatory export obligations pose serious constraints to non-linear growth. HONDA (Honda Siel Cars India Limited), a subsidiary of Honda Motor Corporation, Japan has developed the next generation supply chain with a strategy cognizant of the global opportunities and the local limitations which such emerging economies present.
2015-04-14
Technical Paper
2015-01-1122
Kengo Yabe, Toru Inagaki, Takashi Kondo
Abstract Seat vibration when a vehicle is idling or in motion is an issue in automobile development. In order to reduce this vibration, dynamic damper or inertia mass is widely used. These countermeasures increases vehicle's weight and causes bad fuel-efficiency. Some new ways to reduce the vibration without weight increase are needed. One of that is the floating seat. Seat vibration has been reduced by controlling seat resonance frequencies. In order to control resonance frequency, the structures of the seat-mounting unit are replaced with floating structures using rubber bushings. It was demonstrated that partially replacing the mounting unit with floating structures makes it possible to control the resonance frequencies of the entire seat. The issue of balancing vibration reduction with strength and durability and crash safety performance caused by the fitting of rubber bushings to the seat-mounting unit was addressed using stopper structures optimized for each type of input.
2016-04-05
Journal Article
2016-01-0506
Daisuke Tomomatsu
Abstract This study developed technology for simultaneously welding heterogeneous resin tubes in order to weld and integrate resin tubes with two different specifications (low temperature and high temperature). The aim of integration was cost and weight reduction. The cost reduction due to reducing the number of parts exceeded the increase in material cost due to a change to resin materials. Base material fracture of the resin tubes was set as the breaking format condition, and the welding parameters of the joint part rotations and the friction time between the joint part and the resin tubes were specified as the weld strength judgment standard. In addition, the fused thickness determined by observing the cross-section after welding was specified as the weld quality judgment standard. The range over which weld boundary peeling does not occur and weld strength is manifest was clarified by controlling the welding parameters and the fused thickness.
2015-04-14
Technical Paper
2015-01-1378
Takeshi Sasaki, Tatsuya Ohmaru, Taisuke Goto
Abstract We developed a windshield washer system that enhances washing performance while maintaining low consumption of windshield washer fluid. The system reduces user stress by shortening the amount of time required to remove dirt and maintaining visibility through the windshield. We analyzed the mechanism through which the windshield wiper and windshield washer remove dirt from the glass surface to improve cleaning efficiency. The mechanism consists of a sequence in which the windshield washer fluid splashes down on the glass surface and lifts dirt which is then wiped away by the windshield wiper blade. We defined the amount of windshield washer fluid needed and the time from splashdown to wiping required to lift dirt and wipe it away with the wiper. Based on this mechanism, we developed a wiper arm with built-in washer nozzles.
2016-04-05
Technical Paper
2016-01-1321
Masahiro Fukazawa, Tsuyoshi Murao, Shingo Unigame
Abstract The CAE method to predict the vibration transfer function of the hydraulic engine mount on a vehicle with sufficient precision and calculation time without prototype cars was developed. The transfer function is given in the following steps. First, rubber deformation form under the power train weight loaded must be predicted. It’s obtained by using a reduction model of an engine mount, as a unit, which doesn’t have its fluid sealed inside, with the technique to get the static spring characteristics in a non-linear relationship. Second, Young’s modulus and structural damping coefficient for the deformed rubber must be given. As for these characteristics, ignoring the relations between these values and strain, the constant values are used. This considerably reduces computation time and model size. Next, the reduction model and the fluid model have must be combined to express actual product. In this step, coupled analysis for fluid and structure is used.
2010-04-12
Technical Paper
2010-01-0131
Glenn W. Scheffler, Michael Veenstra, Tommy Chang, Naoki Kinoshita, Matt McClory, Hajime Fukumoto, Marcel Halberstadt, Jesse Schneider
The SAE Fuel Cell Vehicle (FCV) Safety Working Group has been addressing FCV safety for over 10 years. The initial document, SAE J2578, was published in 2002. SAE J2578 has been valuable as a Recommended Practice for FCV development with regard to the identification of hazards associated with the integration of hydrogen and electrical systems onto the vehicle and the definition of countermeasures to mitigate these hazards such that FCVs can be operated in the same manner as conventional gasoline internal combustion engine (ICE)-powered vehicles. An update to SAE J1766 for post-crash electrical safety was also published in 2008 to reflect unique aspects of FCVs and to harmonize electrical requirements with international standards. In addition to SAE J2578 and J1766, the SAE FCV Safety Working Group also developed a Technical Information Report (TIR) for vehicular hydrogen systems (SAE J2579).
2009-04-20
Journal Article
2009-01-0011
Glenn W. Scheffler, Jake DeVaal, Gery J. Kissel, Michael Veenstra, Tommy Chang, Naoki Kinoshita, Matt McClory, Hajime Fukumoto, Marcel Halberstadt, Jesse Schneider
The SAE Fuel Cell Vehicle (FCV) Safety Working Group has been addressing FCV safety for over 9 years. The initial document, SAE J2578, was published in 2002. SAE J2578 has been valuable as a Recommended Practice for FCV development with regard to the identification of hazards and the definition of countermeasures to mitigate these hazards such that FCVs can be operated in the same manner as conventional gasoline internal combustion engine (ICE)-powered vehicles. SAE J2578 is currently being revised so that it will continue to be relevant as FCV development moves forward. For example, test methods were refined to verify the acceptability of hydrogen discharges when parking in residential garages and commercial structures and after crash tests prescribed by government regulation, and electrical requirements were updated to reflect the complexities of modern electrical circuits which interconnect both AC and DC circuits to improve efficiency and reduce cost.
2008-09-04
Article
"The best way to get that understanding of your customers and their market is to simply go and see," said Robert Sump, Vice President of Component Engineering for the Nissan Technical Center North America. Engineers learn lessons from technical libraries, meetings, and seeing the world-at-large.
2008-05-13
Article
The standard has seen a slow start, but it looks as if momentum for the interface between hardware and software is starting to grow. A number of electronics suppliers and their tool providers are ramping up, and automakers continue to show support.
2008-05-13
Article
The expansion of electronics and software continues almost unabated, bringing both benefits and challenges for automakers and their suppliers. As engineers develop new safety, infotainment, and powertrain systems, they are looking at a variety of techniques to manage hardware and software development.
2008-06-19
Article
The joint-venture automakers are under pressure to develop brands in China; brands that can be legally recognized as essentially containing Chinese intellectual property. Honda and Volkswagen affiliates in China made some significant news in this regard.
2011-11-17
Article
Honda on Nov. 8 held a ceremony in Guangzhou, China, to commemorate the start of demonstration testing of electric vehicles (EVs). The model to be used is the Fit, equipped with electromotive technologies such as an advanced lithium-ion battery and coaxial motors that Honda has used in development of the FCX Clarity fuel cell electric vehicle.
2011-09-10
Article
The 2012 Civic lineup adds a high fuel-economy variant to go with the re-engineered sedan, coupe, Si, hybrid, and natural gas models, each of which boasts better fuel efficiency thanks in large part to aero enhancements and lightweight designs. And, a first for Honda, the Civic Hybrid now incorporates a Li-ion battery vs. the previous NiMH type.
2012-01-10
Article
Featuring new powertrain and chassis technology, the next-generation supercar, which is due to come to market within the next three years, will be developed by engineers in the U.S. and manufactured at an Ohio plant.
2012-01-10
Article
The 2013 Accord, which goes on sale this fall, will feature three all-new powertrains, including the first U.S. application of both a 2.4-L direct-injected engine and two-motor plug-in hybrid system from Honda’s next-generation Earth Dreams powertrain technologies. The V6 Accord will be the first Honda sedan to feature a new six-speed automatic transmission.
2012-06-08
Article
At 118 MPGe (miles per gallon equivalent), the MY2013 Honda Fit EV is tops in fuel economy among models sold in the U.S. It has a U.S. EPA consumption rating of just 29 kW·h/100 mi and an estimated range of 82 mi—more than that of the Ford Focus Electric (105 MPGe, 76 mi), Nissan Leaf (99 MPGe, 73 mi), and Mitsubishi i (112 MPGe, 62 mi).
2012-04-30
Article
U. S. roads could become a web of vehicles communicating with each other automatically by 2025, bringing about improvements in safety and congestion.
2012-07-27
Article
Honda has revealed the “heart” of its Civic WTCC racing car for the FIA World Touring Car Championship. The new HR412E, a completely bespoke 1.6-L, four-cylinder direct injection turbocharged petrol engine, conforms to all FIA regulations for the WTCC and passed all initial tests upon delivery to the Honda Racing Team JAS workshop in Milan.
2012-10-09
Article
Two recent announcements attest to continuing efforts by government and industry to make the hydrogen fuel cell vehicle viable. On Oct. 5, the U.S. Department of Energy said it would make available $1 million for efforts to "identify cost-effective and efficient materials and processes to produce hydrogen from renewable energy sources and natural gas."
2012-11-20
Article
The electrified powertrain, a newly developed regenerative braking system, and Bio-Fabric seating material in Honda's new Fit EV all stem from developments in the FCX Clarity fuel-cell car and other EV forebears.
2012-09-10
Article
The North American version of the new 2013 Honda Accord (see 2 October AEI) features a new exhaust catalyst design that reduces the use of rhodium by 50%. The automaker plans to adopt the catalyst technology across its vehicle lines.
2012-09-07
Article
Forthcoming model has 10-15 mi (16-24 km) range on battery pack, and it also operates in hybrid mode and direct drive from engine through gearset into transaxle.
2012-12-10
Article
ARPA-e program involves several companies, government labs, and universities developing solutions so the U.S. can take advantage of its abundant natural gas reserves.
2009-10-13
Article
With its 2010 VFR1200F, Honda will be the first motorcycle OEM to offer a dual-clutch transmission. The bike's all-new V4 also brims with innovation, including Unicam cylinder heads and a unique crankshaft design.
2009-11-23
Article
Honda’s battery-electrified modes of transport on display at the 2009 Tokyo Motor Show included four-, two-, and one-wheel concept vehicles, ranging from relatively small to very small.
2009-12-17
Article
The cast-iron overhead valve 1.6-L Ford Kent engine that has been the foundation of Formula Ford racing in the U.S. for more than 40 years has long since gone out of production, leaving racers with few replacement parts. The Honda Fit subcompact car employs a similarly tiny engine, a single-overhead cam 1.5-L engine that engineers at Honda Performance Development thought could be a good candidate to replace the hoary Kent motor.
2015-12-03
Article
The SUV continues to win customers and a compact sport utility may be the ideal package. In this episode of SAE Eye on Engineering, Senior Editor Lindsay Brooke looks at the top sellers in the compact SUV boom. 
2015-04-28
Article
FCEV advocates point to new stack platforms with greater power density, and manufacturing strategies aimed at building production scale.
2013-02-11
Article
Honda R&D has developed an aluminum/steel sheet hybrid door—debuting on the 2014 Acura RLX—that is more effective in reducing weight than an all-aluminum door. Details on the hybrid door’s development will be presented at the SAE 2013 World Congress in April.
Viewing 1 to 30 of 133

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