Virtual Instrumentation for Control Applications
- 1.3k Downloads
The virtual instrumentation (VI) is rapidly replacing classical analog as well as digital instrumentation systems owing to the availability of high performance microprocessors based PCs, fast Analog-to-Digital Converters (ADCs) and sophisticated data communication technology. Therefore, investigation of more and more efficient and effective VI based solutions to modern instrumentation problems is one of the main research areas for design engineers. The work presented in this paper is application oriented and thus the contribution of the paper is how to instigate the already known control algorithms in NI LabVIEW. Instead of relying on commercially available expensive hardware, a low-cost self-developed DAQ card is employed. The elaboration of the idea is carried out by designing a VI based DC drive and a thermal system. Modeling, PID controller and user-interface development is presented for both examples. The positive results of this study establish the utility of virtual instrumentation especially for control applications.
KeywordsVirtual instrumentation DAQ LabVIEW digital control thermal system DC drive
Unable to display preview. Download preview PDF.
- 1.Ugurlu, Y.: Measuring the Impact of Virtual Instrumentation for Teaching and Research. In: IEEE Global Engineering Education Conference (EDUCON), pp. 152–158 (2011)Google Scholar
- 3.Eren, H., Fung, C.C.: A Virtual Instrumentation of Electric Drive Systems for Automation and Testing. In: Proceedings of the 17th IEEE Instrumentation and Measurement Technology Conference, IMTC, vol. 3, pp. 1500–1505 (2000)Google Scholar
- 4.Prema, K., Kumar, N.S., Sunitha, K.A.: Online Temperature Control Based on Virtual Instrumentation. In: International Conference on Control, Automation, Communication and Energy Conservation, pp. 1–4 (2009)Google Scholar
- 5.Tang, Z., Xian, F., Fen, L.: Design and Implementation of a Temperature Control System Base on Convenient DAQ. In: 27th Chinese Control Conference, CCC, pp. 374–376 (2008)Google Scholar
- 6.Mirza, A., et al.: IPO Pakistan patent 14063: USB Data Acquisition Card. Issued (June 29, 2011)Google Scholar
- 7.Chen, J., Zeng, X., Zhang, C.: The Portable Data Acquisition System of Cutting Tool Condition Monitoring Based on Labview & Wavelet Analysis. In: International Conference on Computer Application and System Modeling (ICCASM), vol. 7, pp. 375–378 (2010)Google Scholar
- 8.Seborg, D.E., Edgar, T.F., Mellichamp, D.A., Doyle, F.J.: Process Dynamics and Control, 3rd edn., pp. 145–146. John Wiley and Sons (2010)Google Scholar
- 9.Bolton, W.: Control Systems, 1st edn., Newnes, pp. 49–50 (2002)Google Scholar
- 10.Hellerstein, J., Diao, Y., Parekh, S., Tilbury, D.M.: Feedback Control of Computing Systems, pp. 332–333. Wiley-IEEE (2004)Google Scholar