D = (J+m*L^2)*(m+M)-m^2*L^2*cos(x1); f = [x2;... 1/D*((m+M)*m*g*L*sin(x1)-m*L*cos(x1)*(m*L*x2^2*sin(x1)-k*x4));... x4;... 1/D*(-m^2*L^2*g*sin(x1)*cos(x1)+(J+m*L^2)*(m ...

MATLAB Lie-Algebra Observer for an Inverted Pendulum This repository studies a nonlinear observer for an inverted pendulum from the point of view of Lie derivatives and nonlinear observability. The ...

PENDULUM SEISMOMETERS are among the oldest forms of instruments employed to record earthquake motion upon a stationary plate. In 1841 crude forms of such seismometers were used to record shocks at ...

Abstract: This work reports a gimbaled-pendulum wave energy converter with a magnetic multistable mechanism to better capture multidirectional irregular excitations. To have a deep insight into the ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Instead of a complicated smartphone, you may be better off with a simple, no-nonsense, accessible mobile phone that gives you all the essentials without any fuss. We review basic 'dumb' phones, which ...

When we write things down, it's important to keep things nice and clear, so it's easy to read. Sentences help us give an order, ask a question, state a fact, or express an emotion or idea. Words are ...