International Research Journal of Engineering and Technology (IRJET)
e-ISSN: 2395-0056
Volume: 10 Issue: 07 | Jul 2023
p-ISSN: 2395-0072
www.irjet.net
DESIGN ANDDEVELOPMENT OF AUTOMATIC PNEUMATIC BUMPER Mr.Nitin S. Adwani1, Dr.B.M.Shinde2 1Scholar, Dept of Mechanical Engg, Dhole Patil College of Engineering, Pune, Maharashtra, India
2Professor, Dept of Mechanical Engg, Dhole Patil College of Engineering, Pune, Maharashtra, India
---------------------------------------------------------------------***--------------------------------------------------------------------The design process for the automatic pneumatic bumper Abstract -
encompasses several key considerations. The selection of suitable materials with appropriate mechanical properties is crucial to ensure adequate strength and durability. Geometrical parameters, such as bumper shape and size, are also important factors that influence the overall performance of the system. Integration of pneumatic components and control systems enables the seamless adjustment of stiffness and damping characteristics.A.Pnuematic Bumper Requirements
The development of an automatic pneumatic bumper with FEA (Finite Element Analysis) simulation is the focus of this study. Bumpers play a critical role in absorbing and dissipating impact energy during collisions, thereby protecting the vehicle and its occupants. The objective of this research is to design and analyze a bumper system that can automatically adjust its stiffness and damping characteristics based on the impact force. The design process involves the selection of suitable materials, consideration of geometrical parameters, and integration of pneumatic components. The proposed bumper system utilizes pneumatic actuators to modulate the stiffness and damping properties in real-time. This allows for adaptive response to varying impact forces, enhancing the overall crashworthiness and safety of the vehicle.
2 PROBLEM DEFINITION The design and development of an automatic pneumatic bumper system with Finite Element Analysis (FEA) simulation face several challenges and objectives to address. The primary problem can be defined as follows:
Finite Element Analysis (FEA) simulation is employed to evaluate the structural performance of the bumper system. The simulation models are developed using appropriate material properties, boundary conditions, and impact scenarios. The FEA analysis provides valuable insights into the stress distribution, deformation, and energy absorption capabilities of the bumper design. The results of the FEA simulation are used to optimize the bumper system design, ensuring adequate strength and durability under different impact conditions. The simulation outcomes also aid in identifying potential areas of improvement, allowing for iterative refinement of the design.
1. Inadequate Adaptability: Traditional bumper systems have fixed stiffness and damping characteristics, which may not provide optimal performance in varying impact scenarios. A lack of adaptability limits the ability of the bumper to effectively absorb and dissipate collision energy, potentially leading to increased damage to the vehicle and increased risk to occupants. 2. Limited Energy Absorption: Bumper systems need to efficiently absorb and dissipate impact energy to minimize damage to the vehicle and reduce the risk of injury to occupants. Traditional bumpers may have limited energy absorption capabilities, leading to greater structural damage and compromised safety.
Keywords—Pneumatics Bumper,Fea, Structural performance, , Stress distribution, , Vehicle safety
3. Suboptimal Design: The design of bumper systems needs to consider various factors such as material selection, geometrical parameters, and integration of pneumatic components. A suboptimal design can result in inadequate strength, poor durability, and compromised crashworthiness.
1. INTRODUCTION The concept of an automatic pneumatic bumper involves the integration of pneumatic actuators within the bumper system. These actuators allow for real-time adjustment of the bumper's stiffness and damping properties based on the magnitude of the impact force. By adapting to varying impact forces, the bumper system can effectively mitigate collision energy and enhance crashworthiness. Vehicle safety has always been a paramount concern in the automotive industry. Bumpers play a crucial role in protecting vehicles and their occupants during collisions by absorbing and dissipating impact energy. Traditional bumpers have fixed stiffness and damping characteristics, which may not provide optimal performance in various impact scenarios. To address this limitation, the development of an automatic pneumatic bumper with Finite Element Analysis (FEA) simulation has gained significant attention.
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Impact Factor value: 8.226
4. Lack of Real-time Adaptation: Bumpers should be able to adapt their stiffness and damping properties in real-time based on the magnitude of the impact force. The lack of realtime adaptation limits the effectiveness of the bumper system in responding to dynamic impact conditions. 5. Complex Structural Analysis: Assessing the structural performance of the bumper system under various impact scenarios is essential for ensuring its effectiveness and safety. However, conducting physical testing can be costly and time-consuming. Therefore, there is a need for a reliable
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