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seminar surveyer
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08-10-2010, 11:26 AM

.docx   FINALLY PROJECT REPORT.docx (Size: 486.71 KB / Downloads: 423)

submitted by:
Meenakshi Garg
Kapil Gauttam
Lalita Verma
Nitesh Gupta

Guided by:
Dr. Rajesh Bhadada


New generation of cars are improved in such a way that the number of accidents decreases. Innovative ideas has implemented and emerged in order to reduce the risk of accident. During the recent past years, some alarm system and intelligent controlled apparatus have been designed and developed in order to increase the safety of automobiles.

Security in travel is primary concern for everyone. This Project describes a design of effective alarm system that can monitor an automotive / vehicle / car condition in travelling. The project and implimentation name “ACCIDENT ALERT WITH AUTOMATIC DIALLER” shows that project and implimentation is designed to prevent the accident and to inform emergency about an accident that has occurred.

This project and implimentation uses a glass breakage sensor that detects breakage of glass and smoke detector that detects any smoke due to fire in the vehicle. These sensors send a signal to microcontroller. A DTMF dialler is connected to the microcontroller. A basic telephone unit is interfaced to the DTMF dialler chip that sends call to the predefined mobile or emergency number and informs about this accident.

Sometimes, vehicles large in size (i.e. trucks, loading vehicles) have problems in driving the vehicle. There are some points which are not visible from driver’s seat, these are called blind points. Some time, objects or vehicles very near to truck got accident. This problem is called blind spot. Some time due to fog vehicles are not visible up to very less distance, an accident can occur due to this. While driving at night there can be a short nap to driver due to which accident can occur. Sometimes there are 4 wheelers having one headlight not working due to this they appear to be 2 wheelers and tend to cause accidents. To prevent the vehicle from accident, proximity detector used in this project and implimentation that detect an object through its range and alert the driver
seminar flower
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Posts: 10,120
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23-06-2012, 03:37 PM


.docx   ACCIDENT ALERT.docx (Size: 1.14 MB / Downloads: 95)

Security is primary concern for everyone. This Project describes the design of an effective alarm system that can monitor a vehicle with three different sensors.
Presence of any obstacle, smoke due to fire and glass breaking can be monitored by the status of each individual sensor and is indicated with an alarm and dialler correspondingly.
This alarm shows whether the sensor has been activated and whether there is a need for automatic dialling. The uniqueness of this project and implimentation is not only alerting the driver, it also dials a mobile number which is already programmed into the system. A mobile number or a landline number can be programmed into the system. As this system works on existing telephone line, it can dial the number even the subscriber is out of station.



Security in travel is primary concern for everyone. So drivers of vehicles should have a direct and clear vision on road and near about the vehicle. But there are some points which are not visible from driver’s seat around the vehicle in truck sand loading vehicles, in which driver’s seat is quite high above the ground. These points are called as “BLIND SPOTS”.
Sometimes, objects or vehicles very near to truck occurring on blind points get accident. This problem is called “blind spot problem”. There may be some other reasons as follows, which may result in dangerous accidents.


Power supply is a reference to a source of electrical power. A device or system that supplies electrical or other types of energy to an output load or group of loads is called a power supply unit or PSU. The term is most commonly applied to electrical energy supplies, less often to mechanical ones, and rarely to others.

Types of Power Supply

There are many types of power supply. Most are designed to convert high voltage AC mains electricity to a suitable low voltage supply for electronic circuits and other devices. A power supply can by broken down into a series of blocks, each of which performs a particular function.
Some electronic circuits require a power supply with positive and negative outputs as well as zero volts (0V). This is called a 'dual supply' because it is like two ordinary supplies connected together.


Transformers convert AC electricity from one voltage to another with little loss of power. Transformers work only with AC and this is one of the reasons why mains electricity is AC. Step-up transformers increase voltage, step-down transformers reduce voltage. Most power supplies use a step-down transformer to reduce the dangerously high mains voltage (230V in UK) to a safer low voltage.


A sensor is a device which measures a physical quantity and converts it into a signal which can be read by an observer or by an instrument. For example, a mercury thermometer converts the measured temperature into expansion and contraction of a liquid which can be read on a calibrated glass tube. A thermocouple converts temperature to an output voltage which can be read by a voltmeter. For accuracy, all sensors need to be calibrated against known standards.


The circuit uses three infrared transmitting LEDs (IR1, IR2, and IR3) in series to increase the radiated power. Further to increase directivity and power density, in circuit, IR LEDs inside the reflector of torch can assemble.
For increasing the efficiency a MOSFET (BS170) is used, which acts as a switch and thus reduce the power loss that would result if a transistor were used. To avoid any dip during its “ON/OFF” operation, a 100μF reservoir capacitor C2 is used across the power supply. Capacitor C2 supplies extra charge during switch on operation.


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