International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 12 Issue: 07 | July 2025
p-ISSN: 2395-0072
www.irjet.net
Vehicle Steering Development with the help of Direct Adaptive Steering Mangesh Deshmukh1, Arab Basha2, Ravi Khare3 1 Senior Project Manager, Tata Technologies Ltd, Pune
2 Senior Program Manager, Tata Technologies Ltd, Pune 3 Program Manager, Tata Technologies Ltd, Lucknow
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Abstract - In modern automobiles to enhance steering
transforming the interaction between drivers and their vehicles, delivering a more intuitive and responsive steering experience that adapts to personal driving styles and varying road conditions.
efficiency and vehicle manoeuvrability direct adaptive steering system is technological advancement in the field of steering systems. In these systems conventional steering shaft is replaced with electronic devices that relay steering signals from the steering wheel to a servo motor. Servo motor is used for managing the operation of a rack and pinion assembly, which in turn propels the wheels. After installation of DAS, it will eliminate mechanical components such as the steering shaft, adaptive steering systems which will contribute to reduce both weight and complexity of the steering apparatus, which therefore shall improve efficiency and decrease the overall cost of the steering system. Direct Adaptive Steering can also provide considerable benefits regarding handling accuracy, comfort, and the overall performance of the vehicle.
In Conventional steering systems the driver generally required to manually rotate the steering wheel, which is linked to the front wheel via steering shaft. This action activates the steering gearbox, which in then drives the front wheels of the vehicle. For the proper rotational movement, universal joints are employed, allowing the steering shaft to rotate while ensuring smooth functionality. The steering column acts as the connection between the steering wheel and the rest of the system, and as the driver turns the wheel, the knuckle pivots, directing the wheels to the left or right. In contrast, adaptive steering systems present notable benefits over traditional mechanisms, particularly in terms of steering performance enhancement. Often integrated with power steering, these systems significantly improve both functionality and the overall driving experience for consumer. The introduction of electronic steering systems has paved the way for fully adaptive systems, which provide high efficiency and advanced safety features for future vehicles.
Direct Adaptive Steering (DAS) represent sophisticated technologies aimed at improving vehicle handling and enhancing driving comfort. DAS operates by converting the driver's steering actions into electronic signals, which autonomously manage both the tire angles and the steering effort. This results in a pronounced sense of propulsion and better road feedback, particularly on uneven or rough terrains, thereby lessening the necessity for the driver to maintain a firm grip on the steering wheel. By minimizing the transfer of vibrations to the driver, DAS contributes to a stable trajectory, facilitating easier navigation on irregular roads. Furthermore, on highways, the system automatically adjusts the steering, promoting a more relaxed and assured driving experience.
Adaptive steering systems function by modifying the steering ratio based on the vehicle's speed and driving conditions. At higher speeds, the system decreases the steering ratio, resulting in a more stable and controlled steering experience. Conversely, at lower speeds, the system increases the steering ratio, allowing the front wheels to turn a greater distance with reduced driver effort, thereby facilitating easier maneuvering and parking. These systems consist of various components, including the steering wheel, gearbox, LCD interface, and linkages, all designed to ensure smooth and efficient operation. During parking maneuvers, the friction between the vehicle's front tires and the road surface escalates, necessitating greater effort from the driver. To alleviate this effort, adaptive steering systems link the wheel to a gearbox that adjusts the required effort, thereby enhancing the ease and efficiency of steering control.
1. INTRODUCTION Direct Adaptive Steering (DAS) represents an advancement in automotive engineering, designed to improve vehicle control and enhance driving comfort through real-time adjustments to steering response. In contrast to conventional steering systems, DAS provide sophisticated electronic control and sensor technologies helps to deliver adaptive feedback to the driver, thus facilitating more accurate handling and smoother driving experience. The system operates by continuously modifying the steering characteristics to align with various driving factors including speed, road conditions, and steering input. The primary objective of DAS is to provide drivers with improved manoeuvrability, lessen steering effort, and overall safety. As this technology progresses, it holds the promise of
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Direct adaptive system evolved from traditional mechanical steering systems in which the mechanical components of the steering system is replaced by the electronic components.
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