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I have a project about single axis solar tracker control system simulation based on PID Controller with simulink. So far, I already manage to derive transfer function for the actuator (electro-pneumatic actuator). But I can't find transfer function for the 'plant', that is solar panel, which need stroke displacement as input and solar panel tilt angle as the output. Does anyone here know how to find it or have any journal/article reference about this?

Thanks

P.S Here are my works so far Control Block Diagram Actuator Transfer Function Electro-Pneumatic Parameters

My Journal Reference: https://node1.123dok.com/dt01pdf/123dok_us/001/644/1644219.pdf.pdf?X-Amz-Content-Sha256=UNSIGNED-PAYLOAD&X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=7PKKQ3DUV8RG19BL%2F20230318%2F%2Fs3%2Faws4_request&X-Amz-Date=20230318T084731Z&X-Amz-SignedHeaders=host&X-Amz-Expires=600&X-Amz-Signature=d9637a1541d93a937a4583059f1ba247e8ada8bf8a3b54845420d34f774f173d

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  • \$\begingroup\$ It depends on the mechanical linkage between the actuator and the panel. There is no one value for this - it’s all up to the design engineer to resolve. \$\endgroup\$
    – Kartman
    Mar 19, 2023 at 13:29
  • \$\begingroup\$ This is steam era stuff, not electronics. Possibly useful search term : four bar linkage design (some of the most interesting work dates back to James Watt!) \$\endgroup\$
    – user16324
    Mar 19, 2023 at 14:49

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