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Technical Paper

Steering Column Slip Endurance Test & Rig Development

2018-04-03
2018-01-0125
In the emerging commercial vehicle sector, it is very essential to give a product to customer, which is very reliable and less prone to the failures to make the product successful in the market. In order to make it possible, the product is to be validated to replicate the exact field conditions, where it is going to be operated. Lab testing plays a vital role in reproducing the field conditions in order to reduce the lead time in overall product life cycle development process. This paper deals with the design and fabrication of the steering column slip endurance test rig. This rig is capable of generating wear on the steering column splines coating which predominantly leads to failure of steering column. The data acquired from Proving Ground (PG) was analyzed and block cycles were generated with help of data analyzing tools.
Technical Paper

Reliable Measuring System for Fuel Consumption of Earth-Movers

2015-01-14
2015-26-0148
Fuel economy is an important customer requirement which determines the position of earth-movers such as backhoe loaders in the market. Earth-movers are heavy duty machines that are used for construction works. Currently fuel consumption in earth-movers is quantified as fuel consumed per unit time (Liters per hour). Similarly, conventional measure of productivity of the earth-movers is in terms of volume of soil trenched per hour. Measurements using the above scales showed wide variations in measured fuel consumption and productivity, For the same equipment between measurements Two equipment of same make at different trench locations and Against the competitor equipment This inconsistency and lack of a proper measuring system made logical decision making extremely difficult. This paper describes the step by step procedures involved in deriving the methodology for robust fuel consumption measurement of earth-mover vehicles.
Technical Paper

Determination of Climatic Boundary Conditions for Vehicular Real Driving Emission Tests

2019-04-02
2019-01-0758
Vehicular Emission testing is gaining importance over the past years in the wake of requirements for real driving emissions with implementation of RDE packages across Europe / USA and various developing countries. Extending the same concept for other countries poses slight challenges in terms of geographical and climatic conditions prevailing in the country, where the climatic conditions are differing from Europe / USA. It is a challenge to accept the same boundary conditions as in Europe, at the same time the challenge is to find a threshold number in a more scientific manner. This study concentrates on determination and recommendation of thresholds for ambient temperature and altitude. The basis for temperature threshold would be to determine the percentage of time the temperature exceeded beyond the threshold over year in the country. The basis for Altitude is considered based on the percentage of total length of roads beyond the threshold altitude limit.
Technical Paper

Design Improvements Done in Telematics System Towards Betterment of Services Offered to Fleet Customers

2013-04-08
2013-01-0401
Ashok Leyland, India had commissioned a web portal towards serving their end customers with better fleet management. The services offered through this portal helps in improving the productivity and safety of vehicles, business operations and hence, the profitability of the customers. Track and trace, SMS/email alerts and report generation are the major functionalities of this portal. They assist the customers in analyzing the operations of their vehicles and take corrective actions towards optimizing them. However, there were certain problems faced by the customers, while accessing these functionalities through the web portal. This includes, significantly high lead time taken for report generation, unavailability of location details in the reports and track page due to early expiry of reverse geo-coding service limits.
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