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Technical Paper

Base Engine Value Engineering for Higher Fuel Efficiency and Enhanced Performance

2013-11-27
2013-01-2748
To sustain market leadership position one has to continuously improve their product and services so that on one hand customer expectations are met and on the other hand business profitability is maintained. Value engineering is one of the approach through which we can achieve these two objectives simultaneously. Enhancing the value of running products is always a challenge as there is limited scope and flexibility to modify the current design and processes. Value engineering approach, integrated in product development cycle, brings great opportunity to upgrade the new and running products. This study reveals approach to upgrade the base engine of Maruti Alto. Upgraded engine is used in Alto 800 vehicle launched in October 2012. Improvement points were studied based on the business requirement, market competition, and legislative requirements. Based on functional improvement points, all the design parameters were studied and finalized.
Technical Paper

Innovative Simulation Approach to Analyze and Add Value to Upcoming Complex Drive Cycle (WLTC) for Passenger Cars

2013-11-27
2013-01-2801
Vehicles which are sold and put into service in a country have to meet the regulations and standards of that country. Every country has a separate regulation and approval procedure which requires expensive design modifications, additional tests and duplicating approvals. Thus, there is the need to harmonize the different national technical requirements for vehicles and form a unique international regulation. With this rationale, the World Forum for Harmonization of Vehicle Regulations of the United Nations Economic Commission for Europe (UN/ECE/WP29) has brought governments and automobile manufacturers together to work on a new harmonized test cycle and procedure which is to be adopted around the world. This lead to the development of Worldwide Harmonized Light Duty Test Procedures (WLTP) and Cycles (WLTC). The test procedure is divided into 3 cycles, depending on a power to mass ratio of the tested vehicle.
Technical Paper

Effect of Fabric Type and Construction on Automotive Seating Comfort

2013-04-08
2013-01-0654
The interface between human body and automotive seat contours is seat upholstery. Seating comfort has a functional correlation to the upholstery. Two seats having different upholstery will give different comfort perception. Even an ergonomically designed seat if fitted with poor quality fabric will subdue the seat comfort drastically. The effect of fabric comfort ranges from initial short term to long term comfort, driven by properties like wick-ability and factors like thermal stress. Beyond material characteristics, fabric fit also plays an important role. This paper analyses the effect of fabric parameters and construction on automotive seat comfort. A comprehensive comparative study is followed by systematic analysis and comfort improvement scope through upholstery. The research is to conclude potential of the seat fabric in enhancing the automotive seating comfort within stipulated constraints of fabric properties and cost.
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