| Title |
A Study on Adaptive Converter Control Approach for Velocity Control of Electric Motors with Photovoltaic Power Generators |
| Authors |
박성원(Park, Sung Won) ; 김동완(Kim, Dong Wan) ; 조현철(Cho, Hyun Cheol) |
| DOI |
https://doi.org/10.5370/KIEE.2016.65.8.1400 |
| Keywords |
Photovoltaic power generator ; Motor speed control ; Hybrid control ; Adaptive state feedback control |
| Abstract |
This paper presents a new adaptive converter control approach for electric motor systems whose voltage source is excited from photovoltaic (PV) power generators. First, an electric model is represented with dynamic states and output velocity of such DC motor systems. We propose a hybrid converter control law in which a state feedback control is applied as an auxiliary control framework. Moreover, control parameter estimation is derived to realize adaptive converter systems for effective control performance against stochastic PV power excitation in practice. We carry out stability analysis for such converter system by using a well-known eigenvalue theory. Lastly, numerical simulation is conducted to test reliability of the proposed converter control approach and prove its superiority in the control point of view. |