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. A conventional automotive shock absorber dampens suspension movement to produce a controlled action that keeps the tire firmly on the. This industrial shock absorber is suitable for quarter turn actuators and is maintenancefree. The disclosed device is capable of high power generation capacity and energy conversion efficiency with. The lmes uses a dense permanent magnet stack embedded in the main piston, a switchable series of stator coil windings, a rectifier.
Threephase rotary generator connected to a simulated charging circuit resistors. 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. Researchers from stony brook university on long island have found that shock absorbers can help power your car by. Ppt on electromagnetic shock absorbers authorstream. Saves us from unpleasant vibration include cushions and springs damp out the vibration experienced due to roughness of the roads. The generator module generates electricity to power the lowpower electrical.
Electric power generation, transmission, and distribution. Us8941251b2 electricity generating shock absorbers. Power generating shock absorbers regenerative shock. Research article design and static magnetic analysis. Shock absorber, regenerative suspension, mechanical motion rectifier, rack and pinion etc. Results show that variable damping coefficients and the asymmetric feature in jounce and rebound motions are achieved by controlling the electrical. These pdf reports and journals explain the mechanism of electricity generation from speed breakers by an electromechanical unit known to be power hump. The present interconnected power system evolved after 1940 and represents an efficient however complicated energy generation, distribution, and utilization network. A preliminary equation is proposed to predict the generation performance of regenerative shock absorber depending upon input parameters like flux or velocity. Jadhav2 1 pg student, mechanical automotive engineering sinhgad college of engineering maharashtra india 2 associate professor, mechanical engineering sinhgad college of engineering, maharashtra india abstract energy absorbed by shock absorber is.
Conventional shock absorbers simply dissipate this energy as heat. I have to pesenting the seminar on topic power generation shock absorber,so i need the project report. Working principle of the regenerative shock absorber the regenerative shock absorber converts suspension vibration between the wheel and the sprung mass into electrical power. International journal of engineering research and general. A shock absorber is basically a hydraulic damping mechanism. Power generation in battery using a shock absorber. The piezoelectric shock absorber is completely passive and does not require power from the car to operate. However, the regenerative shock absorbers can harvest the power in a continuous way. The shock absorber consists of two tubelike components where a smaller magnetic tube slides inside a larger, hollow coil tube. Connections for standby power to a buildings electrical system must be made by a qualified electrician. It transforms power from one circuit to another without changing its frequency but may be in different voltage level. Shock absorber generates electricity when it hits a bump. Analysis of hydraulic power transduction in regenerative. Power generating shock absorbers regenerative shock absorbers.
Abstract regenerative shock absorber is a type of suspension system that converts parasitic intermittent linear motion and vibration into useful. Get the best pdf research papers and journals on powergeneration by vehicle shock absorber for mechanical seminar report. Power generation by using suspension system himanshu s. Pdf power generation using vehicle suspension researchgate.
Design and fabrication of electrical power generation from shock absorber mechanical project mechanical, automobile, aeronautical fabrication engineering projects with internship. Whereas existing regenerative shock absorbers mainly focus on the methods of energy harvesting, there is no such regenerative shock absorber for use in extended range evs. The coil component is made of copper coils wound around a plastic tube, while the magnetic component is made of ring shaped magnets separated by ringshaped magnetically permeable spacers. Our project has main part of electrical armature suspensor because these armatures through mechanical motion convert into electrical energy. Therefore, the electric shock absorber modified circuit. An electricity generating shock absorber includes a coil assembly having a length of electrically conducting material wrapped around an outside perimeter, and along a length, of a hollow tube formed of electrically resistant material. The system is the industrys first hydraulic rotary shock absorber, a device that converts. This paper presents the design, modeling, bench experiments, and road tests for a retrofit regenerative shock absorber based on a permanent magnetic generator and a rackpinion mechanism for the purposes of energy harvesting and vibration damping.
The vehicle running time the shock absorber piston is moving up and down motion. Capstone project on shock absorber power generation. Fill details get free expert guidance within 24 hours. We have batteries and electrical and electronic controls in big lumps because that is what they had to look like in the. The design consists of mainly a coil windings array and a permanent magnet array. This is an interesting seminar project for electrical engineering. Mechanical rack and pinion system is used to generate power through regenerative shock absorber. Energyregenerative shock absorber mathematical model. Ces dampers allow a large separation between maximum and minimum damping levels and adjust instantaneously to ensure the optimum in ride comfort and firm, safe vehicle control. Power generating shock absorber projects and seminars. The complete diagram of the power generation using shock absorber is given below. Electrical power generation from shock absorber free download as word doc. A project on power generation shock absorber youtube. Electric vehicles evs are considered to be a clean and effective.
Lineartype shock absorbers rotarytype shock absorbers based on the type of construction and the way of energy generation. The generator module converts the mechanical energy of the unidirectional rotating shaft into electricity, which increases the efficiency of energy harvesting and. 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. Together, the updated standards create a unified and uptodate set of requirements to help employers more effectively. Explore electricity generating shock absorber with free download of seminar report and ppt in pdf and doc format.
In this paper we study the concepts of power generating shock absorber which can efficiently recover the vibration energy in a compact space. Pdf regenerative shock absorber is a type of suspension system that converts. Development of mechanism for recovery of lost energy of. Power generation using speed breakers seminar report pdf. Currently, depending on the road, the piezoelectric shock absorber will improve the fuel economy by around two to eight percent. The later electric power generation, transmission, and distribution for general industry operation and maintenance standard, issued in 1994, also needed updating based on advances in electrical safety technology. This arrangement is fitted with springs in a precise manner so as to achieve the desired motion and magnet coil overlapping which allows for generation of electricity through electromagnetism principle. Driv technology is derived from the ces model and features an affordable adjustable damper technology for the bc vehicle. Electrical power generation from shock absorber electricity. This system can be used effectively in vehicles for power generation.
Download the doc seminar report with abstract and ppt to research the regenerative shock absorber which converts repetitive disconnected linear displacement motion and vibration into useful electrical power. Experimental bosch suspension systems have generated. Electricity generating shock absorber seminar report. On the smooth highway road, the electric shock absorbers can improve the fuel efficiency by 2%, and on bumpy roads up to 10% increase can be expected. 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. More researchers are going on to extend the tests involving other types of vehicles such as trucks, buses and other automotive vehicles. The results obtained from the dynamic simulation of the electric shock absorber with the modified output electric circuit show that the oscillations attenuate to zero after disturbance appears. The powergenerating shock absorber pgsa converts this kinetic energy into electricity instead of heat through the use of a linear motion electromagnetic system lmes. Download the relevant reports with proper abstract, circuit. A highefficiency energy regenerative shock absorber using. The generator is a potential source of electrical shock.
Thus our system puts forward a smart power generation system. This kinetic energy is normally dumped in a form of thermal energy in a conventional, mechanical shock absorber. The efficiency of piezoelectrics is sure to improve in the future, increasing the amount of energy saved. However, energy in conventional shock absorbers gets dissipated as heat and not used in any way. What are shock absorbers a mechanical device designed to smooth out or damp shock impulse, and dissipate kinetic energy. Theoretical studies are showing that 32 watts of power 8x4 32 can be recovered from a vehicle moving with 45 mph speed experiencing 0. Generating electrical power pdf pptseminar download. The power is then fed into the cars electrical system to reduce the amount of load on the alternator. In this paper, we present a novel highefficiency energy regenerative shock absorber using supercapacitors that is applied to extend the battery endurance of an ev. Power generating shock absorber absorber is a device that converts the kinetic energy of an oscillating object into electric energy. The idea for power generation shock absorber system for automobiles and twowheelers, that converts parasitic intermittent linear motion and vibration into useful energy. Scientists develop powergenerating shock absorbers ralph hanson february 1, 2009 comment now. Pdf a highefficiency energy regenerative shock absorber using.
General vehicle shock absorbers are used to simply absorb this energy without converting it to electricity. Electrical power transformer is a static device which transforms electrical energy from one circuit to another without any direct electrical connection and with the help of mutual induction between two windings. The shock absorber removes the energy dissipated in the. Generating limit power system analysis free lecture notes pdf download.
A highefficiency regenerative shock absorber considering twin ball. Fuchs, in power quality in power systems and electrical machines second edition, 2015. This movement is converted to the electrical energy by using rack and pinion arrangement. This is a hydraulic shock absorber with travelcontrolled flow control function and a rapidly increasing cushioning force profile with short shock absorber stroke. In nonelectric vehicles the electricity can be used to power accessories such as air. Conversion of energy produced by a vehicle shock absorbers movements into electrical energy, allows. Experimental bosch suspension systems have generated electricity. A regenerative shock absorber is a type of shock absorber that converts parasitic intermittent linear motion and vibration into useful energy, such as electricity. Background genshock is a regenerative shock absorber developed by the levant power corporation and is currently undergoing design changes to attain greatest efficiency. This is the important loss is the dissipation of vibration energy by shock absorbers in the vehicle suspension under the excitation of road irregularity and vehicle acceleration or deceleration. Shock absorbers that generate electricity, which are being developed by cambridge, mabased levant power, can lower fuel consumption by 1. Us20127175a1 electricity generating shock absorbers.
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