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Appl. Sci. 2012, 2(1), 100-113; doi:10.3390/app2010100

The Logic-Based Supervisor Control for Sun-Tracking System of 1 MW HCPV Demo Plant: Study Case

High Concentration Photovoltaic R & D Project, Institute of Nuclear Energy Research, Taoyuan 32546, Taiwan
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Received: 4 January 2012 / Revised: 30 January 2012 / Accepted: 2 February 2012 / Published: 7 February 2012
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Abstract

This paper presents a logic-based supervisor controller designed for trackers for a 1MW HCPV demo plant in Taiwan. A sun position sensor on the tracker is used to detect the sun position, as the sensor is sensitive to the intensity of sun light. The signal output of the sensor is partially affected by the cloud, which has a hard control position with the traditional PID control. Therefore we have used logic-based supervisor (LBS) control which permits switching the PID control to sun trajectory under sunny or cloudy conditions. To verify the stability of the proposed control, an experiment was performed and the results show that the proposed control can efficiently achieve stabilization of the trackers of the 1MW HCPV demo plant.
Keywords: high concentration photovoltaics (HCPV); logic-based supervisor (LBS); controller; proportional-integral-derivative controller (PID) high concentration photovoltaics (HCPV); logic-based supervisor (LBS); controller; proportional-integral-derivative controller (PID)
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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MDPI and ACS Style

Yeh, H.-Y.; Lee, C.-D. The Logic-Based Supervisor Control for Sun-Tracking System of 1 MW HCPV Demo Plant: Study Case. Appl. Sci. 2012, 2, 100-113.

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