Octavius
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This document summarizes a student project to design and build a solar-powered electric vehicle called Octavius. A team of 5 students designed and fabricated Octavius under a professor's guidance. Key objectives were to build a vehicle powered by adjustable solar panels with a 50km range. Technical specifications show Octavius weighs 273kg, has a 48V 50Ah battery, 900W BLDC motor, and can travel 50km on a full charge at up to 32kph. Diagrams show the solar-powered electrical transmission system and fabrication process. The finished Octavius design is presented and compared to an e-rickshaw.
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POWER HUMPS...... power generation using speed breakers!!!
ABSTRACT
In the present scenario power becomes major need for human life. Due to day-to-day increase in population and lessen of the conventional sources, it becomes necessary that we must depend on non-conventional sources for power generation. While moving, the vehicles posses some kinetic energy and it is being wasted. This kinetic energy can be utilized to produce power by using a special arrangement called “POWER HUMP”.
The Kinetic energy of moving vehicles can be converted into mechanical energy of the shaft through rack and pinion mechanism. This shaft is connected to the electric dynamo and it produces electrical energy proportional to traffic density. This generated power can be regulated by using zener diode for continuous supply .All this mechanism can be housed under the dome like speed breaker, which is called hump.
The generated power can be used for general purpose like streetlights, traffic signals. The electrical output can be improved by arranging these power humps in series this generated power can be amplified and stored by using different electric devices. The maintenance cost of hump is almost nullified. By adopting this arrangement, we can satisfy the future demands to some extent.
1159 voronka[1]
This document summarizes a proposal for modular spacecraft with integrated structural electrodynamic propulsion. It describes using short, rigid booms carrying large currents to generate thrust via Lorentz forces with little or no propellant. Six booms could provide full spacecraft control. Modular components could self-assemble large structures. Challenges include complex dynamics, constrained thrust vectors, and relying on ambient plasma. Energy storage, electron emitters, ion sources, and plasma collection are also discussed.
Solar integrated EV bus
The document presents a mathematical model for evaluating the technical and economic viability of solar integrated electric vehicle buses. It includes factors for mechanical parameters like distance and speed, battery parameters like energy density and cost, and solar PV panel parameters like area and power generation. Case studies are presented comparing a solar EV bus in India and California, calculating the power generated during parking and running based on geographical conditions. The model aims to determine the optimal configuration of batteries and solar panels needed to meet the power requirements for EV bus operation.
Wireless charging of ev's
Now a days world is shifting towards electrified mobility to reduce the pollutant emissions caused by nonrenewable fossil fueled vehicles and to provide the alternative to pricey fuel for transportation. But for electric vehicles, traveling range and charging process are the two major issues affecting it’s adoption over conventional vehicles.
With the introduction of Wire charging technology, no more waiting at charging stations for hours, now get your vehicle charged by just parking it on parking spot or by parking at your garage or even while driving you can charge your electric vehicle. As of now, we are very much familiar with wireless transmission of data, audio and video signals so why can’t we transfer power over the Air.
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- 2. OBJECTIVE To fabricate a vehicle that can be mounted with adjustable solar panels. Fabricate an electric vehicle with a range of 50kms at full charge. To implement super capacitors on solar vehicle. To design a high efficient low energy capacity vehicle. To design a vehicle that can reduce the dependency of automobiles on conventional energy resources. To design an electric solar vehicle that is much more comfortable to a driver.
- 3. Solar Panel Test Result TIME VOLTAGE CURRENT 12:00 PM Voc = 81.9 V V = 56.7 V I = 0.196 A (When 200 Watt, 220 V Bulb connected) 12:20 PM Voc = 82 V V = 57 V I =3 A (Only battery Connected) V = 57.8 V (When Motor Connected) 12:30 PM Voc = 82.3 V V = 57.5 V I = 3.1 A (Only battery Connected) V = 57.3 V (When Motor connected)
- 5. Motor Test SPEED (In RPM) CURRENT (In Ampere) NO LOAD TEST 2352 2 A 3332 3 A 3469 3.2 A DIFFERENTIAL LOAD 125 1 A (Gear Ratio 8) 252 2 A 371 3 A 426 4 A
- 6. Battery Test TIME (2 min) LAP (700m) CURRENT LOAD 6:35 pm 1 20 A 350 kg 6:46 pm 5 15 A 350 kg 6:58 pm 10 10 A 400 kg 7:14 pm 15 12 A 400 kg 7:40 pm 26 20 A 350 kg
- 7. TECHNICAL SPECIFICATION WEIGHT DIMENSION (l x b x h) WHEELBASE TRACK WIDTH GROUND CLEARANCE BATTERY MOTOR Max. Speed Max. Torque TRANSMISSION SUSPENSION {FRONT/REAR} STEERING BRAKES SPECIAL - 273 kg - 1066.8 x 2108.2 x 1540.5 mm - 1600.2 mm - 1600.8 mm - 228.6 mm - 48V, 50 A-Hr - BLDC, 900Watt 3500 rpm 25 N-m - Differential - Double Wish Bone / Leaf Spring - Rack And Pinion - Hydraulic Disc Brake - Super Capacitor Adjustable Solar Panels MAX. LOADING CAPACITY TOP SPEED ACCELERATION CHARGING TIME RANGE - 200kg - 32km/hr - 0-30 kmph in 8 secs - 6 hrs (plugged in) 8 hrs (solar panel) - 50 kms
- 8. ELECTRICAL TRANSMISSION SYSTEM SOLAR PANEL Type - Polycrystalline Rated Power - 200W x 2 Open Circuit Voltage - 43.2 V Short Circuit Current - 6 A DC BUS BATTERY Lead Acid 12V x 4 50 A-Hr Motor Speed Controller (24Tube) MOTOR BLDC 900 W, 48V Peak Toque – 25N-m Rated Torque – 3N-m SUPER CAPACITOR Rated Voltage – 2.5 V x 20 Capacitance – 10F/Capacitor PEDAL MPPT Controller
- 10. CAD MODEL
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- 16. THANK YOU