double pendulum


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double pendulum

[¦dəb·əl ′pen·jə·ləm]
(mechanics)
Two masses, one suspended from a fixed point by a weightless string or rod of fixed length, and the other similarly suspended from the first; often the system is constrained to remain in a vertical plane.
References in periodicals archive ?
Among his topics are a pendulum with a wheel-based pivot, an optimal control design for swinging and damping a double pendulum, the global stabilization of an inverted pendulum controlled by torque in the pivot, designing a control law to stabilize the bicycle tilt, and trapezoidal control for a system with compliant elements.
150 cm 2) swing double pendulum - construction made of galvanized steel, powder coated, steel chains, steel slings, swings double ball bearings made of stainless steel, one rigid seat made of aluminum structure covered with rubber, the second seat in the shape of a cart for small children, 3) a set of playful jednowiezowy size ca 520x400 cm made of treated wood mounted on steel anchors embedded in concrete in the ground, a tower with a gable roof, a set of playful equipped with a platform, a platform with steps, ladder climbing, slide the plastic and balancing beam;
Karakatsanis describes the current situation in the realm of Turkish-Greek rapproachment as a double pendulum in which the feelings of excitement and boredom exist in parallel to friendship and enmity.
When you add a second hinge, you make a double pendulum.
The double pendulum is one of the simplest systems displaying chaotic behaviour.
One of Eureqa's initial achievements was identifying the basic laws of motion by analyzing the motion of a double pendulum.
As examples of visualization of the problems of engineering mechanics the simulations of motion of virtual four bar linkage, material point on the elliptical trajectory and large oscillations of a virtual double pendulum are considered.
Key words: creativity, interactivity, visualization, engineering mechanics, double pendulum
In the next section, we will use a double pendulum and obtain its total mechanical energy.
The researchers tested the method with apparatus used in freshman physics courses: a spring-loaded linear oscillator, a single pendulum and a double pendulum.
chaos in the double pendulum, and the dynamics of simple walking toys.
A variety of physical systems, from electronic circuits to the simple double pendulum (which consists of two suspended rods, one pivoting from the other), show the sensitive dependence on initial conditions that characterizes chaotic systems.