Rotary Inverted Pendulum (RIP) is a physical system that is often used as a theoretical platform and application of non-linear. unstable. and underactuated control systems so that it poses a challenge to design controls and realize them. The mechanical construction of the system consists of a pendulum arm that rotates horizontally on the RIP base shaft and a vertical pendulum arm that... https://parisnaturalfoodes.shop/product-category/elderberries/