Set for Acoustics Study application

This application can be done by using just the following:

1-Common items for all applications:

a) AG-001_FUB. Base structure and Robot.

b) AG-001_CIB. Control Interface Box.

c) AG-001_DAB. Data Acquisition Board.

2-Set for this particular application, including these items:

a) Sensor:

An acoustic sensor (microphone) of high sensitivity.

b) Elements:

3 Acoustic sources (trumpets):

Two of them are of low frequency 450Hz, 90dB and the third one of high frequency 4500Hz and 90dB, with supply of 12V. AC.

Anacoic camera with walls covered with polyurethane of high intensity. It will allow you to isolate your experiments from external noises, allowing you to obtain the waves produced by the sound source supplied.

Microphone of high sensitivity. Flat wall covered with high density polyurethane and orifice of 10 mm. Inclined wall and 45º with possibility of being recovered with foam of high density. Buzzer.

The teacher can use any element suitable for ACOUSTICS study, so the UNIT IS OPEN and can do MANY OTHER EXPERIMENTS.

3- Computer Control Software:

Computer Control+Data Acquisition+Data Management Software for Acoustics Study application.

Compatible with actual Windows operating systems. Graphic and intuitive simulation of the process in screen.

Compatible with the industry standards.

Registration and visualization of all process variables in an automatic and simultaneously way.

Flexible and open software, developed with actual windows graphic systems, acting simultaneously on all process parameters.

Management, processing, comparison and storage of data. Sampling velocity up to 250,000 data per second. Student calibration system for all sensors involved in the process.

It allows the registration of the alarms state and the graphic representation in real time. Comparative analysis of the obtained data, after the process and modification of the conditions during the process.

Open software, allowing to the teacher to modify texts, instructions. Teacher’s and student’s passwords to facilitate the teacher’s control on the student, and allowing the access at different work levels.

This unit allows that the 30 students of the classroom can visualize simultaneously all results and manipulation of the unit, during the process, by using a projector.

Practices to be done with the Acoustics Study application:

Level 0:

1.- Programming and applications of a robot arm.

Level I:

2.-Temporal visualization of an acoustic wave.

3.-Experimental determination of the vibration frequency of a wave.

4.-Experimental calculation of the speed of an acoustic wave.

5.-Dependence of the propagation speed of a wave with the temperature.

6.-Three-dimensional study of an acoustic wave.

7.-Signal generated by two identical sources (Interference I).

8.-Acoustic attenuation produced by an obstacle.

9.-Generator of waves fronts (Diffraction II).

Level II:

All those of level I.

10.-Experimental determination of the power of an acoustic transmitter.

11.-Spatial representation of an acoustic attenuation.

12.-Space-time  study of the  signal generated by two acoustic sources (Interference II).

13.-Acoustic medium.

Level III:

All those of levels I and II.

14.-Effects in the acoustic shield of the wave frequency.

15.-Effects in the acoustic shield of the wave width.

16.-Reflection processes of an acoustic signal. Reflected energy.

17.-Concave and convex mirrors. Space-time representation.

18.-Refraction processes of an acoustic wave. Transmitted energy.

19.-Effects of the wavelength in the diffraction phenomenon (Diffraction III).

IMPORTANT: The teacher can use his own elements, so these practical possibilities are NEARLY UNLIMITED.


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