How to avoid accidents
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The document discusses several components of an automatic vehicle collision avoidance system, including a laser range finder sensor to detect distance, a high voltage power supply, and coils with increased winding to generate magnetic fields. It explains how a microcontroller would be used to control output devices and automatically engage braking if another vehicle crosses a set distance limit. The system aims to reduce driver fatigue on highways by allowing hands-free cruise control and uses magnetic fields generated by high current in coils to oppose nearing vehicles and help avoid crashes.
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This project presentation summarizes an SMS-based system for remotely controlling the speed of a motor or fan. The system uses a microcontroller connected to a GSM modem to receive SMS commands and control a relay connected to the motor/fan. Key components include a power supply, microcontroller, GSM modem, LCD display, and relay. The system allows a user to send SMS messages from their phone to change the speed of the connected device remotely without needing to be physically present at the switchboard.
Missile detection and automatic destroy system
This document describes a missile detection and automatic destroy system that uses an ultrasonic sensor interfaced with a microcontroller to detect missiles. It calculates the distance to the missile using ultrasonic waves and rotates a sensor mounted on a stepper motor by 180 degrees. When a missile is detected, laser lights and a stepper motor are used to automatically track and destroy the missile. The system provides discrete distance measurement of objects and can detect small objects over long ranges.
K 10716 mukesh beniwal (automatic pneumatic bumper)
This document summarizes a student project on an automatic pneumatic bumper system for vehicles. The system uses IR sensors to detect obstacles within 1 foot of the vehicle traveling over 40-50 km/hr. When an obstacle is detected, a control signal activates the pneumatic bumper and braking system. The system works by using compressed air from a compressor through solenoid valves and pneumatic cylinders to apply the bumper and brakes. The system is designed to increase safety by providing fast automatic braking responses to help prevent collisions. Some limitations include only working well in non-dense traffic and not preventing rear collisions. The system has applications for light vehicles like cars and trucks to improve safety.
Electrical Eqipments
Vacuum circuit breakers use vacuum to quickly extinguish arcs that form when the circuit breaker contacts open during a fault. Vacuum provides superior arc quenching compared to other mediums due to its high insulating strength and ability to rapidly condense metallic vapors from the arc. The contacts and arc shield of a vacuum circuit breaker are mounted inside a vacuum chamber connected to the control mechanism via stainless steel bellows and surrounded by a glass insulating body. Vacuum circuit breakers are reliable with low cost, no fire hazards, little maintenance, and low inertia.
Energy from busy roads
This document describes a system to generate electricity from speed breakers on busy roads. It discusses three mechanisms - crankshaft, roller, and rack and pinion - for converting kinetic energy from passing vehicles into electrical energy. The project uses a roller mechanism connected to a dynamo to generate power. The electricity is stored in a battery and then used to automatically power streetlights. Sensors detect vehicles to turn the lights on and off. The document provides details on the system components, materials, circuitry and working principle to efficiently generate and use energy from traffic on roads.
The protection system for beginners
The document provides an overview of different protection systems, including power system protection, lightning protection systems, and train protection systems.
Power system protection aims to isolate faults or overloads to prevent damage and injuries. It uses components like current transformers, voltage transformers, protective relays, circuit breakers and batteries. Coordination ensures protective devices operate in the optimal timed sequence.
Lightning protection systems provide a low impedance path for lightning to ground to reduce structural damage risks. Devices include lightning arresters, rods and detectors.
Train protection systems ensure safe operation in the event of human error. Early inductive systems transmitted data magnetically between tracks and locomotives. Modern cab signalling systems constantly update drivers on train positions and speeds
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A robot is an electro-mechanical device that can perform autonomous or preprogrammed tasks. A robot may act under the direct control of a human (eg. the robotic arm of the space shuttle) or autonomously under the control of a programmed computer. Robots may be used to perform tasks that are too dangerous or difficult for humans to implement directly (e.g. nuclear waste clean up) or may be used to automate repetitive tasks that can be performed with more precision by a robot than by the employment of a human (e.g. automobile production.)
VEHICLE POSITION AND ACCIDENT PREVENTION USING MULTISENSOR, GSM, GPS
This document presents two projects related to vehicle safety and security. The first project involves developing a fingerprint and iris scanning system for ATMs to provide more secure online transactions. The second project involves developing a system using sensors, GSM, and GPS technology to detect vehicle position and prevent accidents. It would automatically lock the vehicle if an intoxicated person tries to drive, control handheld device usage, detect overspeeding, and send alerts including location data to emergency services if an accident is detected.
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How to avoid accidents
- 2. Sensor-Laser Range Finder sensor High Voltage Power supply Coils with more wounding
- 4. MAGNETISM- Opposite poles attracts. - Same poles repels.
- 6. GSM OR LASER Laser Range Finder- this is specially designed for to detect the distance. Also this is called distance sensor. It can use doppler effect. Doppler effect: It is a Technique whether the object is moving towards or away from the range finder.
- 7. Micro controller are used In automatically controlled products and devices It will control the output device which is connected to the micro controller
- 8. Reducing driver fatigue It is very useful in highways After reached the certain speed, the driver can press the cruise button and then the driver can remove the legs and hands from the clutch, accelerator, brake, steering
- 9. :OHMS LAW and MAXWELLS LAW HIGH VOLTAGE POWER SUPPLY- current will more. When the high current passing through the coil mean magnetic field will produce-maxwell’s 1st theorem.
- 10. When the 4 wheeler or truck cross the certain limit distance mean sensor 1st detect and then the key will close. The high voltage power supply given to both the micro controller and cruise. In microcontroller we already have to programmed for cruise. When it cross certain limit the automatic breaking system will occur because of the combination of micro controller and cruise.
- 11. And then the speed will reduce. And also other process taking place. High voltage power given to the network mean the current also be more. When the high current passing through the coil mean using maxwell’s 1st law the high magnetic field will produce. So the nearing vehicles oppose and then crashing will be avoided.
- 13.