gps based border alert system for fishermen with boat speedometer

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RAJOLI VEERA REDDY PADMAJA ENGINEERING COLLEGE FOR WOMEN :

RAJOLI VEERA REDDY PADMAJA ENGINEERING COLLEGE FOR WOMEN A PRESENTATION ON- -- GPS Based Border Alert System For Fishermen With Boat Speedometer ~~~BY, G.Mounika

ABSTRACT:

ABSTRACT An embedded system which protects the fishermen by notifying the country border to them by using Global Positioning System (GPS) and Global system for mobile communication (GSM). Using GPS, we can find the current latitude and longitude values and is sent to the microcontroller unit. Then the controller unit finds the current location by comparing the present latitude and longitudinal values with the predefined value. Then from the result of the comparison, this system aware the fishermen that they are about to reach the nautical border. If the boat enters the zone nearer to the restricted zone the alarm will turn on and the speed of the boat engine automatically gets controlled by 50% and once it touches the restricted zone, the boat engine gets off by the control of fuel supply to engine.

INTRODUCTION:

INTRODUCTION From Tamil Nadu about 18,000 boats of different kinds conduct fishing along the India-Sri Lanka maritime border. But by accidentally crossing the border without knowledge, they get shot by the Lankan navy. This leads to loss in the both humans as well as their economic incomes. We have developed a system which eliminates such problems and saves the lives of the fishermen.

WORKING PRINCIPLE:

WORKING PRINCIPLE The GPS Modem will continuously give the signal which determines the latitude and longitude and indicates the position of the fishermen to them which gets read and displayed in the LCD. The same data is sent to the mobile of the fisherman and simultaneously the same data is sent to the Sea border security. An EEPROM is used to store the data, received by GPS receiver. The hardware which interfaces with microcontroller are LCD display, GSM modem and GPS Receiver. GPS provides reliable positioning, navigation, and timing services to world wide users on a continuous basis in all weather, day and night, anywhere on or near the Earth. All we require is an accurate clock. By comparing the arrival time of the satellite signal with the onboard clock time, at which the signal was emitted, the latitude and longitudinal degree of the boat’s location is determined. For doing so an AT89c51microcontroller is interfaced serially to a GSM MODEM AND GPS receiver.

CONTROLLER :

CONTROLLER Microcontroller receives the data from the GPS receiver through UART. The data received contains many details along with latitude and longitude. The current positions are compared with already stored latitude and longitude of countries boundary locations. At first the latitude is compared with stored latitude which identifies if the current position is located near to the boundary. If the latitude matches then the adjacent latitudes and longitudes of the present latitude is retrieved from the microcontroller.

CONTROLLER:

CONTROLLER The current position received from GPS is stored as S1 (latitude), S2 (longitude). The latitude S1 is compared with stored latitudes. If latitude match, then adjacent latitude and longitudes (X1, Y1 and X2, Y2) are retrieved from stored table and substituted in the equation given below: (Y-Y1)/(Y2-Y1) = (X-X1)/(X2-X1) By simplification, we get ax + by = c Now, S1 and S2 are substituted in above equation of line. Positions Latitude Longitude Position 1 12° 05'.0 N 82° 03'.0 E Position 2 12° 05'.8 N 82° 05'.0 E Position 3 12° 08'.4 N 82° 09'.5 E Position 4 12° 33' 0 N 82° 46'.0 E

CONTROLLER:

CONTROLLER Here two cases are possible: Case 1: If LHS<RHS, then vessel is inside country border. When vessel is inside country’s border, the microcontroller gets the input from GPS receiver after a short delay loop. Latitude and longitude is extracted and manipulation with the new locations is done in the algorithm. Case 2: If LHS>RHS, then vessel has crossed border. When vessel crosses border, an alarm is generated immediately. Along with alarm a signal is also sent to GSM module for transmission of message to desired sender. Alarm continues until the vessel comes back inside the country’s border.

LAYER CONSTRUCTION AND CONSEQUENCE:

LAYER CONSTRUCTION AND CONSEQUENCE The boundary points should be stored in microcontroller and the computation is done in microcontroller with these points. Thus vessel crossing the border is being calculated. Boat Position and Navigation System contains,  Layer1: Green LED indication  Layer2: Red LED indication  Layer3: Alarm indication &speed control  Layer 4: Engine off

GSM MODULE :

GSM MODULE GSM module is used for transmission of message seeking assistance. As GSM cannot be used in oceans as towers, CDMA network or satellites can be used for message transmissions. When vessel crosses border, the stored message along with current latitude and longitude positions is sent to the desired GSM module which is stored already. The prototype of the device is shown. A LCD display16×2 is used for displaying the latitude and longitude. LCD display is connected to port 1 of the Microcontroller. Every pin of port 1 is connected to LCD display.

CALCULATING THE POSITIONS :

CALCULATING THE POSITIONS Because GPS receivers do not have atomic clocks, there is a great deal of uncertainty when measuring the size of the Spheres. All possible distances to the satellite are located on the circumference of the circle. If the position above the satellites is excluded, the location of the receiver is at the exact point Where the three circles intersect beneath the satellites. Because the relative size of the spheres is known, there is only one possible point where they can intersect.

FUTURE SCOPE:

FUTURE SCOPE  We can use the EEPROM to store the previous Navigating Positions up to 256 locations. We can navigate up to N number of locations by increasing the memory of EEPROM.  We can reduce the size of the kit by using GPS+GSM on the same module of GPS navigator.  We can increase the accuracy up to 3m by increasing the cost of the GPS receivers. BENEFITS  The hijack of the ship by the pirates can be eradicated.  The lost ship wrecks due to natural calamities can be identified  By keeping the kits in the entire boats and by knowing the locations of all the boats we can use our kit to assist the traffic. Incase of any accident on the sea, it can be detected by the system and the accident location of the boat is sent to the rescue team.

APPLICATION :

APPLICATION  We can use this device also as bomb detector  Location of any lost vehicle could be found ADVANTAGES  Accuracy determination of location  Maintenance cost is low  Easily replaceable

CONCLUSION :

CONCLUSION Thus the fishermen can easily identify the national sea borders and therefore prevents them from entering their area. Thus saving their lives and providing good relationship with the neighboring countries. Also, the piracy of ship can be easily brought under control.

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ANY QUERIES?

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Thank you

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