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Journal Article

Sensor less Wash Fluid Detection in Automotive Application

2013-04-08
2013-01-1338
The proposed paper describes the hardware and software method used for detection of wash fluid level in water tank used in automotive; thereby eliminating the need for sensor (Reed type switch mounted on washer bottle) for low wash fluid detection. Wash motor is used for water spray on windscreen during wash and wipe operation. The proposed system makes use of hardware circuit used to drive the wash motor usually of DC (Direct current) type and a feedback circuitry to read back the current consumed by motor during particular wash operation. This hardware system is coupled with software algorithm such that during IGNITION ON instance wash motor will be turned on such as to get motor current readings to determine amount of load operated by motor which is related to wash fluid inside the washer bottle. Motor operation is optimized so as to avoid water spray causing nuisance to user.
Technical Paper

Method for Detecting the Head Lamp Switch Failure or Wiring Harness Failure and Controlling the Exterior and Interior Lights Using Intelligent Light Sensor

2011-04-12
2011-01-0117
This paper will present the method for activation of exterior and interior lighting system during the vehicle level fault conditions i.e. light switch failure, wiring harness faults, ignition switch failure etc. with intelligent light sensor. In vehicle the user safety is very important and exterior lighting system is playing a very important role during night driving condition. By considering the customer safety during any fault conditions i.e. light switch failure, wiring harness faults or any other faults condition the vehicle exterior and interior lighting system should not be switched off.
Technical Paper

Low Cost Hardware Design Techniques for Robust and Reliable Power-Supply Circuits for Automotive ECUs

2012-04-16
2012-01-0790
Power-supply forms a key hardware block for every automotive ECU. Apart from delivering robust and reliable logic supply voltages it is also burdened with many auxiliary tasks like transient protection, good EMI/EMC performance, Power-hold function, Analog Sensor supply voltage etc. It also needs to meet all automotive norms including short to battery/ground etc. This paper discusses low cost implementation techniques which maximize the value delivered to the vehicle application at minimal cost. Innovative techniques are described for combining sensor and logic supplies wherever applicable. Hurdles faced during such circuit optimization are clearly explained along with the solutions adopted to overcome hurdles yet meeting automotive test norms. A novel low cost concept which combines transient protection as well as power-hold function (without using the conventional relay based technique) further adds value to the end application.
Technical Paper

Empirical Investigation of Various Mobility Solutions for Urban Transport Planning: A Study from Western India

2022-10-05
2022-28-0314
Transportation has significant and long-lasting economic, social and environmental impacts which makes it an important dimension of urban sustainability. The World is witnessing rapid changes in modern traveling behavior, and efforts are continuously being made to stimulate sustainable mobility solutions with smart policies, new business models, and advanced technologies (connected cars, sensors, electrification). However, the shift is gradual in India when compared to developed countries due to unique barriers to emerging green mobility solutions. This paper empirically investigates public travel satisfaction and the primary factors for the selection of modes for different types of commutes. Quantitative data were collected including socio-demographic, travel mode choices, and preferred future mobility solutions from the western states of India.
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