PREVENCIJA I SANIRANJE POSLJEDICA

Zbornik2015-I Zbornik2015-I

15.12.2015 Views

a b Figure 5. Monitoring small vessels in sea. 5a: the area of monitoring; 5b: the monitored boat; 5c: characteristic result of the monitoring process 3.3.Monitoring small steel elements Furthermore, the group has got activities in monitoring small steel objects under the earth. A characteristic response is illustrated in Figure 6. Figure 6. Characteristic response of 1 kg concentrated steel set 1 m under the surface of the earth

4. The proposal: Magnetic Imaging of Unexploded Bombs The project refers to a magnetic method to perform fast and accurate mapping of the exact relocation of the unexploded bombs and any dangerous material after the recent flushes in Serbia, as well as in Bosnia & Herzegovina. The method will implement the new family of unmanned helicopters. The current state of the art in magnetic mapping The state of the art in magnetic field mapping is based on the manual operation of several magnetometers, which can be connected in various arrangements to either provide magnetic field mapping or field gradient mapping. The operator (operators) is (are) often collaborating with another stationary operator(s) to measure and transmit data. This procedure is realy common in most cases of magnetic mapping. This method of magnetic field mapping has two major drawbacks: 1. The danger of an accident if walking – operating in fields with mines and 2. The time required to scan an area The proposed technology Our proposal refers to the development and use of an unmanned helicopter or tetracopter (Figure 7) to carry out two ultrasensitive magnetometers which could provide magnetic field or magnetic field gradient mapping. Figure 7. The proposed unmanned helicopter The helicopter is equipped with the best 3-dimensional fluxgate magnetometers of the market; Apart from that, the system will comprise of the front-end electronics, used to amplify, digitize and transmit the signal. The method is usable in several other applications, like archaeological heritage monitoring, geophysical and hydrological monitoring, boat and submarine monitoring etc. Apart from that, the system will comprise of the front-end electronics, used to amplify, digitize and transmit the signal. Digitization will be based on a 24-bit linear conversion and warranted 20-bit from the SNR of the ADC at 3kHz, concerning one sensor per RF-transmission channel. The RF transmission to the base operator will implement a powerful laptop with a software to provide mapping in a userfriendly manner.

4. The proposal: Magnetic Imaging of Unexploded Bombs<br />

The project refers to a magnetic method to perform fast and accurate mapping of the exact<br />

relocation of the unexploded bombs and any dangerous material after the recent flushes in Serbia, as<br />

well as in Bosnia & Herzegovina. The method will implement the new family of unmanned<br />

helicopters.<br />

The current state of the art in magnetic mapping<br />

The state of the art in magnetic field mapping is based on the manual operation of several<br />

magnetometers, which can be connected in various arrangements to either provide magnetic field<br />

mapping or field gradient mapping. The operator (operators) is (are) often collaborating with another<br />

stationary operator(s) to measure and transmit data. This procedure is realy common in most cases<br />

of magnetic mapping. This method of magnetic field mapping has two major drawbacks:<br />

1. The danger of an accident if walking – operating in fields with mines and<br />

2. The time required to scan an area<br />

The proposed technology<br />

Our proposal refers to the development and use of an unmanned helicopter or tetracopter (Figure 7)<br />

to carry out two ultrasensitive magnetometers which could provide magnetic field or magnetic field<br />

gradient mapping.<br />

Figure 7. The proposed unmanned helicopter<br />

The helicopter is equipped with the best 3-dimensional fluxgate magnetometers of the market; Apart<br />

from that, the system will comprise of the front-end electronics, used to amplify, digitize and<br />

transmit the signal.<br />

The method is usable in several other applications, like archaeological heritage monitoring,<br />

geophysical and hydrological monitoring, boat and submarine monitoring etc.<br />

Apart from that, the system will comprise of the front-end electronics, used to amplify, digitize and<br />

transmit the signal. Digitization will be based on a 24-bit linear conversion and warranted 20-bit from<br />

the SNR of the ADC at 3kHz, concerning one sensor per RF-transmission channel. The RF transmission<br />

to the base operator will implement a powerful laptop with a software to provide mapping in a userfriendly<br />

manner.

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