Title:
TRACKING ERROR DETECTION METHOD AND TRACKING ERROR DETECTION SYSTEM
Document Type and Number:
WIPO Patent Application WO/2020/153295
Kind Code:
A1
Abstract:
The present invention pertains to a method for detecting a tracking error of an array in a photovoltaic power generation device of a sun tracking type, the method involving: causing an aircraft flying to enter a space between the sun and the array so as to have a projection thereof formed on the array; capturing, by an imaging device mounted on the aircraft, an image of the surface of the array from a direction perpendicular to said surface; and acquiring an image showing a projected shadow of the flight vehicle in an image that is reflected on the array and that is a synthetic virtual image, representing a light receiving part including cells as a whole, of a collection of pixels of a virtual image of the light receiving part formed after being enlarged through a light collection unit.
Inventors:
IWASAKI TAKASHI (JP)
IYATANI KAZUSHI (JP)
KOGETSU YOSHIKAZU (JP)
YAMAMOTO SEIJI (JP)
MORI KOJI (JP)
ABIKO YOSHIYA (JP)
IYATANI KAZUSHI (JP)
KOGETSU YOSHIKAZU (JP)
YAMAMOTO SEIJI (JP)
MORI KOJI (JP)
ABIKO YOSHIYA (JP)
Application Number:
PCT/JP2020/001712
Publication Date:
July 30, 2020
Filing Date:
January 20, 2020
Export Citation:
Assignee:
SUMITOMO ELECTRIC INDUSTRIES (JP)
International Classes:
H02S50/00; H02S20/32
Domestic Patent References:
| WO2019117189A1 | 2019-06-20 |
Foreign References:
| US8327838B1 | 2012-12-11 | |||
| US20110036345A1 | 2011-02-17 | |||
| JPS5526578A | 1980-02-26 |
Attorney, Agent or Firm:
SUNCREST PATENT AND TRADEMARK ATTORNEYS (JP)
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