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Technical Paper

Elastomer Blend for Vibration Isolators to Meet Vehicle Key on - Key off Vibrations and Durability

2010-10-05
2010-01-1986
Success of the vehicle in the market depends on comfort provided while usage, which also include level of noise, vibration and harshness (NVH). In order to achieve good cabin comfort, the NVH levels have to be as low as possible. Powertrain is main source of NVH issues on vehicle and typically mounted on vehicle using rubber isolators. The dynamic characteristics of rubber isolators play vital role in reducing the vibrations transfer from powertrain to vehicle structure while operation and during dynamic conditions. Traditionally, isolators are manufactured using Natural Rubber (NR) to meet functional requirements which include vibration isolation and durability. At times either of above requirements has to be compromised or sacrificed due to the limitation in compounding process and other practical problems involved with manufacturing of rubber parts.
Technical Paper

Numerical Evaluation of Vehicle Orientation and Glazing Material Impact on Cabin Climate and Occupant Thermal Comfort

2017-01-10
2017-26-0262
The structure of a vehicle is capable of absorbing a significant amount of heat when exposed to hot climate conditions. 50-70% of this heat penetrates through the glazing and raises both the internal cabin air temperature and the interior trim surface temperature. When driving away, the air conditioning system has to be capable of removing this heat in a timely manner, such that the occupant’s time to comfort will be achieved in an acceptable period [1]. When we reduce the amount of heat absorbed, the discomfort in the cabin can be reduced. A 1D/3D based integrated computational methodology is developed to evaluate the impact of vehicle orientation on cabin climate control system performance and human comfort in this paper. Additionally, effects of glazing material and blinds opening/closing are analyzed to access the occupant thermal comfort during initial and final time AC pull down test.
Technical Paper

How to Enhance Gear Shift Feel of North-South Transmission Layout

2016-10-17
2016-01-2357
Globalization has intensively driven focus of car manufacturers on comfort and ergonomics. Luxuries are becoming essential features of product mix. Customer’s expectations and desires are changing because of cut throat competition and increasing variety of options. In order to sustain in marketplace, OEM has to be competitive while providing features and options with appropriate quality. Vigorously changing dimensions and definitions of comfort level, luxury and aesthetics has driven the intense focus of OEM’s on customer touch points, customer touch points are those components of vehicle which customer accesses while driving the vehicle and they play vital role in generating drive feel of vehicle. Customer’s drive feel about the vehicle is most complex and critical factor and is of subjective nature. Now days drive feel is an important aspect of product differentiation. Gear shift feel is very crucial touch point in overall drive feel of vehicle.
Technical Paper

Improved Clutch Pedal Ergonomic Position through Adjustable Clutch Pedal Assembly as per Anthropometry

2019-01-09
2019-26-0011
In automotive sector, worlds demanding more riding comfort so accelerator, brake and clutch pedals plays important roles in providing comfort or discomfort to driver. Now days automotive OEMs paying more attentions on providing comfortable ergonomics positions of pedals but it is difficult meet the requirement of each and every (all percentile populations) person because of packaging/manufacturing/costing constraint. Here we are providing the solution to meet the requirement of comfortable ergonomics position as per drivers wish for all kind of persons/drivers (5th percentile to 95th percentile) by providing the adjustable clutch pedal assembly with simple mechanism.
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