In the present study, an electromagnetic shock absorber emsa is proposed for a landing structure of a spaceship. The proposed emsa consists of a copper and steel combined tube, a piston, permanent magnets, and a steel ring. Integration of shock absorption and energy harvesting using a. Introduction the power transmission is mechanical in most machines, and it is commonly achieved in the use of gear transmissions. Magnetic shock what it takes single, released 25 may 2009 1. Magnetic shock absorber national innovation foundationindia. The main aim of this project and its design and fabrication is. Moreover, it can increase fuel efficiency by reducing the electrical demand to the car alternators and, thus, reduce the engines workload. Magnetic suspension can adapt to uneven road surfaces several hundred times per second, in fact it takes only a few milliseconds to adjust any one of the shock absorbers. The vehicle suspension system according to 1,2 is composed of a spring and a shock absorber arranged in parallel. A magnet fixed on the piston is designed to move through the tube when driven by an external shock. It observed that the like poles of two magnets of the. Explore electricity generating shock absorber with free download of seminar report and ppt in pdf and doc format.
Regenerative electromagnetic shock absorbers provide a means for recovering the energy dissipated in shock absorbers. A new method for vibration energy harvesting from shock. I hereby declare that this project report is based on my original work except for citations and. In this project a shock absorber is designed and a 3d model is created using. Integration of shock absorption and energy harvesting. The function of suspension in any vehicle is to prevent shock during rough road condition and to enhance traction force between road surfaces.
Functions of a damper resonant frequencies how much damping. A regenerative shock absorber is a type of shock absorber that converts parasitic intermittent linear motion and vibration into useful energy, such as electricity. The horizontal axis depicts time and the vertical axis shows the value of forces measured under the wheel at the moment of impact. Often when riding on her twowheeler, kalpita used to face some problems while moving on the bumpy road due to its unevenness. These brakes can be incorporated in heavy vehicles as an auxiliary brake. Experimental setup done proved to obtain 15 w of power while driving at a speed of 15mph on a b class road. Shock absorber is committed to continually improving and developing their product range with dedicated research programmes, in partnership with world leading breast health and sports science experts. A prototype shock absorber with energy harvesting capability has been fabricated based on the following conceptual design scheme. The nonmagnetic material will hold the magnet in both the sides. Development of an electromagnetic shock absorber ios press. Electricity generating shock absorber seminar report.
Design of electromagnetic shock absorbers for automotive suspensions. This report gives information about electromagnetic suspension system. In this project the advantage of using the electromagnetic braking system in automobile is studied. Stony brook university the official electronic file of this thesis or dissertation is maintained by the university libraries on behalf of the graduate school at stony brook university. Design of electromagnetic shock absorbers springerlink. Compared to conventional electro rheological solutions, mr devices are stronger and can be operated directly from lowvoltage power supplies this is why mr fluid is much more often used. Fluid viscosity increases within the damper as electromagnet intensity. The conceived linear generator employs highperformance rare earth permanent magnets with compact size to ensure efficient energy recovery. Energy harvesting shock absorbers ehsas have been introduced in the last decade as a viable technology for improving the performance and durability of electric andor hybrid vehicles. As one of the basic mechanical components, the shock absorber has been widely used in automobiles, motorcycles, wheeled or tracked vehicles, aircrafts, as well as some industrial machines. Although the reciprocating distance is very low the suspending mass is very high i. Research article design and static magnetic analysis of. Neodymium magnetic shock absorber for two wheelers automobiles. The unmodified basic system presented to the students is marginally stable, and students must analyze and redesign the system to improve its performance.
Magnetic shock absorber is a continuously variable shock absorber that uses simple magnetic principles but very high technology to control suspensions. Analytical calculations are done to give an idea about the electrical output based on the design. The design and numerical simulation of a linear generator for use in an automobile shock absorber are presented in this paper. Finite element analysis and matlab simulation are utilized to derive the generator configurations for the satisfactory. This report follows a detailed design methodology and describes the criteria and factors for selection of the materials. This project is based on suspension system of an automobile vehicle. Thus, the load to the shock absorber disappears and the displacement of the shock absorber becomes constant. Seminar on power generating shock absorber synopsis during the everyday usage of an automobile, only 1016% of the fuel energy is used to drive the carto overcome the resistance from road friction and air drag.
Two configurations of regenerative electromagnetic shock. This is achieved by designing and modelling a retrofit rackpinionbased electromagnetic regenerative shock absorber, which can generate electric power from the roadinduced suspension vibration of vehicles. Design and analysis of electromagnetic shock absorbers 3d. Fes final year project template utar institutional repository.
In this case, the bidirectional oscillation of the shock and vibration is converted into unidirectional rotation to drive the generator. Road profile in space domain is then revealed as the shock displacement profile in time domain. Development of the electromagnetic brake smit patel meet patel ug student ug student. Hence this report explains its working, modelling and analysis of the parts. Design and fabrication of magnetic shock absorber gopinath. However, energy in conventional shock absorbers gets dissipated as heat and not used in any way. When vehicle is on a normal road then also shock absorbers are working due to uneven roads, sudden breaking or sudden acceleration. In the present study, an electromagnetic shockabsorber emsa is proposed for a landing structure of a spaceship. Our project attempts to show how energy can be tapped and used at a commonly used system, the road speed breakers.
Kalpita has developed an idea for a magnetic shock absorber for automobiles and twowheelers which makes use of the magnetic repulsion between dipoles to achieve shock absorption. In this project two magnets are placed in a piston. Automobiles and trucks have shock absorbers to damp out the vibration experienced due to roughness of the roads. Design and fabrication of power generation system using speed. Research article experimental investigation of magnetic. Just like a traditional shock absorber, the piezoelectric shock absorber will absorb energy. In this project a new suspension system based on magnetic power which can be used in automobile in future. The aim of this project is to study and investigate the response of system, when it is subjected to road. Through bevel gears, the rotational motion of the pinion gear is transferred by 90 to the rotational motion of the generator.
A shock absorber or damper ensures that oscillations induced by the road inequality or aerodynamic forces or by accelerating. Rear shock absorber and spring of a bmw r755 motorcycle. To obtain better dynamic performance, simulation models. A conventional automotive shock absorber dampens suspension movement to produce a controlled action that keeps the tire firmly on the. Apr 14, 2015 the design and numerical simulation of a linear generator for use in an automobile shock absorber are presented in this paper. His ever present support greatly helped me in performing this research. Shock absorber sports bras, shock absorber run bra online. This shock used an inertiasensitive valve that opened and closed the plunger orifice holes. Mathematic model which transform a three phase time and speed dependent system into a two coordinate time invariant system is presented. However, energy in conventional shock absorbers gets dissipated as heat and is not used in any way. It is concluded that the manner of formation of a shock wave in magnetogasdynamics is the same as that in ordinary gasdynamics. Control of an automotive electromagnetic suspension system. Static magnetic field analysis is carried out at an equilibrium position and the results are plotted.
A prototype shock absorber with energy harvesting capability has been fabricated. Shock absorbers, sometimes also known as dampers, are mechanical devices designed to smooth out shocks and to damp vibrations. Next, the design concept of a semi active shock absorber with the mr fluid is proposed. Conventional shock absorbers simply dissipate this energy as heat. Conventional shock absorbers simply dissipate this energy as heat when used in an electric vehicle or hybrid electric vehicle the electricity generated by the shock absorber can be diverted to its powertrain to increase battery life. Design and analysis of energyharvesting shock absorber. The main goal of the project is to provide a challenging design problem.
The main function of the suspension system is to support the weight of the. Magnetic suspension for motorcycles international journal of. Often when riding on her twowheeler we used to face some problems while moving on the bumpy road due to its unevenness. Stony brook university 2010 transportation accounts for 70% of oil consumption, and yet only 1020% the. The concept is to design the magnetic suspension system on the front shock absorber of the motor bike to have a better performance with ease of handling and comfort ride. It does this by converting the kinetic energy of the shock into another form of energy typically heat which is then dissipated.
Gawade address for correspondence 1post graduate student mechanical engg. This can be done by using two methods, either by redesigning the shock absorber which will accommodate various parts of harvesting system or by simply using rack, pinion arrangement attached to shock absorber. Ppt on electromagnetic shock absorbers authorstream. Abstract a magnetic shock absorber for automobiles and twowheelers. Capstone project on shock absorber power generation.
Need for electromagnetic shock absorber need for improved vehicle fuel efficiency in traditional shock absorber energy is wasted as heat in a semitractor trailer shocks are hot within fifteen minutes of driving information about cartruck available. The shock absorber sports bra assortment, like the ultimate run bra and multi support bra, are designed for different impact levels to ensure. What are shock absorbers a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. Saves us from unpleasant vibration include cushions and springs damp out the vibration experienced due to roughness of the roads. Also explore the seminar topics paper on electricity generating shock absorber with abstract or synopsis, documentation on advantages and disadvantages, base paper presentation slides for ieee final year mechanical engineering me or production automobile students for the year 2019. Introduction magnetic suspension system is mainly based on the property magnets that like poles of magnets repel each other. Dampens sprung and unsprung mass dissipates this energy into heat. The mean power is calculated with the known velocity profile.
Design and fabrication of electromagnetic shock absorber. Seminar on power generating shock absorber project. Design of the regenerative shock absorber is done on software. The magnetic flux between the magnet and the conductor inside an. Design and analysis of electromagnetic shock absorbers grabcad. Concept of project in project we have to develop a suspension energy generation unit by using rank and pinion method. Conventional shock absorbers or struts on many cars use oil passing through orifices to dampen suspension movement. Hydraulic electromagnetic energyregenerative shock absorber hesa which used one permanent magnet synchronous motor pmsm as actuator to regenerate energy is introduced in this paper.
Design and fabrication of magnetic shock absorber project synopsis. Therefore, resistance force properties of the shock absorber using the magnetic functional fluids are influenced by the mixture ratio of the micrometer and nanometersized magnetic particles. Design and analysis of electromagnetic shock absorbers. The electromagnetic brakes can be used in commercial vehicles by controlling the. Design and fabrication of power generation system using. Investigation of shock waves in nonideal gas under the. Cars guides parts accessories technology tech guide ask topspeed.
Research article design and static magnetic analysis of electromagnetic regenerative shock absorber 1rahul uttamrao patil, 2dr. Magnetic suspension or magnetic ride control is a type of suspension system where the shock absorbers reacts to the road and adjusts much faster than regular absorbers. This allows the damping characteristics of the shock absorber to be continuously controlled by varying the power of the electromagnet. Introduction the purpose of the delphi project is to develop a design for a fullyfunctioning piezoelectric shock absorber that will serve as an additional energy source for electric and hybrid cars. The development of magnetic gears for transportation applications slavica miladinovic 1, lozica ivanovic 2, mirko blagojevic 3, blaza stojanovic 4 udc. Another type of resonant electromagnetic wave absorber, known as the crossed grating absorber, uses a re. The idea for a magnetic shock absorber, makes use of the magnetic repulsion between dipoles to achieve. Fill details get free expert guidance within 24 hours. We have seen spring shock absorbers, how about magnetic shock absorber car. The number of vehicles passing over the speed breaker on the roads is increasing day by day. Magnetic shock absorber mechanical project topic is for final year diploma and be mechanical students.
If you are d cup or under we recommend the shock absorber active padded sports bra and the shock absorber ultimate run bra is exactly that, great for the runner. An electromechanical model has also been developed to examine the response behavior of the prototype device. The design of the electromagnetic suspension system can be done with two types. Pdf electromagnetic shock absorber project report vasu. A shock absorber in present scenario or damper is a mechanical device constructed to remove out.
Design and analysis of energyharvesting shock absorber with. Electromagnetic suspension system report slideshare. Two configurations of regenerative electromagnetic shock absorber. The idea for a magnetic shock absorber for automobiles and twowheelers, makes use of the magnetic repulsion between dipoles to achieve shock absorption. A shock absorber or damper ensures that oscillations induced by the road inequality or aerodynamic forces or by accelerating, braking or lateral forces, which would impair ride comfort and road holding. Shock absorbers are having reciprocating motion in it. In this proposed magnetic suspension system, two permanent magnets made of neodymium material are placed inside the shock absorber cylinder such that both. The proposed shock absorber design works on rack and pinion mechanism to generate power, where the linear movement of the shock absorber is converted to rotary movement. The equations of motion were numerically implemented and integrated by means of rungekuttas fourth order method. Research article design and static magnetic analysis. Electricity generating shock absorber seminar report, ppt. In our project, we are going to harvest this waste energy to charge the battery of vehicle.
Integration of shock absorption and energy harvesting using a hydraulic rectifier. A shock absorber is a mechanical device designed to smooth out or a slight wetness damp a sudden shock impulse and dissipate kinetic energy. The function of suspension in any vehicle is to prevent shock during rough road condition and. A magnetorheological damper or magnetorheological shock absorber is a damper filled with magnetorheological fluid, which is controlled by a magnetic field, usually using an electromagnet. A new method for vibration energy harvesting from shock absorbers. May 22, 2007 automobiles and trucks have shock absorbers to damp out the vibration experienced due to roughness of the roads. The second magnet sits on the top of the inner shock that.
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