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Remote - DSP Lab for Distance Education Kalantzopoulos Athanasios, Karageorgopoulos Dimitrios Zigouris Evangelos Electronics Laboratory, Electronics &

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Presentation on theme: "Remote - DSP Lab for Distance Education Kalantzopoulos Athanasios, Karageorgopoulos Dimitrios Zigouris Evangelos Electronics Laboratory, Electronics &"— Presentation transcript:

1 Remote - DSP Lab for Distance Education Kalantzopoulos Athanasios, Karageorgopoulos Dimitrios Zigouris Evangelos Electronics Laboratory, Electronics & Computer Div., Dept. of Physics, University of Patras, Greece

2 Remote Laboratories 2 Advantages:  Higher availability of lab equipment  Efficient exploitation of time  Sharing of hardware across institutions  Relatively low cost Types of Remote laboratories:  Sensor  Batched  Interactive

3 R-DSP Lab A Remote Lab for DSP Systems Design 3  Introduction  R-DSP Lab’s Architecture Main Web Server Workstation Security Designed Toolkits based on LabVIEW  Remote Laboratory Exercises  R-DImPr Lab

4 R-DSP Lab Introduction  Is an interactive and user-friendly Remote Laboratory  Is focused on DSP Systems Design for Signal Processing  Is accessible through a common Web Browser  Has carefully designed GUIs in order to provide accurate representation of real instruments 4

5 R-DSP Lab’s Architecture 5

6 6

7 Main Web Server (1/2) 7  Undertakes the reception of the visitors  Secures the R-DSP Lab with authorization procedures  Redirects the authorized users to the workstations according to a distribution logic  Stores statistical information of the use of the R-DSP Lab

8 Main Web Server (2/2) Technologies and tools used for the Main Web Server:  Apache Web Server  MySQL Database  PHP  HTML 8

9 R-DSP Lab’s Architecture 9

10 Workstation (1/2)  Allows the communication between the authorized users and the lab equipment  The design and development is determined by: the object of laboratory exercises the lab equipment  Can serve up to three users simultaneously 10

11 Workstation (2/2) R-DSP Lab’s Workstation consists of:  A Windows based PC  A development platform DSK C6713 by Spectrum Digital based on TMS320C6713 DSP of TI  A TDS 1012 Oscilloscope by Tektronix  A TG 2000 DDS Function Generator by TTi  A USB Webcam 11

12 Workstation’s Block Diagram 12

13 Workstation (1/2) In every R-DSP Lab’s Workstation three LabVIEW-based applications run in order to serve up to three users simultaneously. Each application:  Allows a single user to control the Workstation remotely through a Web Page  Has user-friendly Graphical User Interfaces – GUIs  Controls the Function Generator and Oscilloscope 13

14 Workstation (2/2) In every R-DSP Lab’s Workstation three LabVIEW-based applications run in order to serve up to three users simultaneously. Each application:  Controls Code Composer Studio (CCS) v3.1 and DSK C6713 using the LabVIEW to CCS toolkit  Connects to MySQL database using the LabVIEW to MySQL toolkit  Captures images from a USB Webcam 14

15 R-DSP Lab’s GUIs (1/2) 15 R-DSP Lab’s GUIs were carefully designed in order to provide the most accurate representation of the features and operation of the real instruments: Function Generator’s GUI Real Function Generator

16 R-DSP Lab’s GUIs (2/2) 16 Oscilloscope's GUI Real Oscilloscope

17 Laboratory Exercises 17 Students are asked to design a set of laboratory exercises:  FIR digital filters  IIR digital filters  512-point FFT Students must:  Design and simulate their solution using a scientific software package  Write the code that implement their solution in C or Assembly language using the CCS and create the executable file  Login to the R-DSP Lab  Upload the executable file to the R-DSP Lab  Verify the correct function of their solution using an available Workstation

18 R-DSP Lab from User Side (1/4) 18

19 R-DSP Lab from User Side (2/4) 19

20 R-DSP Lab from User Side (3/4) 20

21 R-DSP Lab from User Side (4/4) 21


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