Photosynthesis pid control method based on chlorophyll fluorescence as feedback signal
A chlorophyll fluorescence and photosynthesis technology, which is applied in the field of photosynthesis PID control, can solve the problems that sugars cannot be used as feedback signals to control photosynthesis, and state quantities cannot be measured.
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[0029] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.
[0030] The system output ChlF is measurable, and the fluorescence curve can reflect the important characteristics of plant growth, which has been widely used in fault diagnosis, automation, radar system and missile tracking. The extended Kalman filter technology can use the output to estimate the state quantity . The present invention proposes a method for estimating photosynthesis state variables using extended Kalman filter technology, and uses the most widely used PID control technology in the industry to regulate plant photosynthesis, which is of great significance to plant growth control.
[0031] Step 1: Test the chlorophyll fluorescence curve with a chlorophyll fluorescence...
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