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Saddle transport and chaos in the double pendulum
Pendulums are simple mechanical systems that have been studied for centuries and exhibit many aspects of modern dynamical systems theory. In...
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Nonlinear double-mass pendulum for vibration-based energy harvesting
To enhance the performance of a vibration-based energy harvester, typical approaches employ frequency-matching strategies by either using nonlinear...
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Dynamical interaction between double pendulum and nonlinear sloshing in two cranes carrying a liquid tank
The interaction between the double pendulum and nonlinear sloshing in two cranes transporting a liquid tank corrupts the efficiency and safety of the...
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Adaptive coupling tracking control strategy for double-pendulum bridge crane with load hoisting/lowering
The bridge crane, as an efficient transportation tool, isss widely used in various fields. Currently, research on bridge cranes mainly focuses on the...
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Nonlinear Optimal Control for the Underactuated Double-Pendulum Overhead Crane
PurposeDouble-pendulum overhead cranes find use in industry, construction works, and in supply-chain operations. Control and stabilization of the...
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Observer-controller tuning approach for double pendulum with genetic algorithm and neural network
State estimation plays a crucial role in practical control system where the use of sensors may be difficult or not economical. Observer-based...
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Chaotic behaviors and multiple attractors in a double pendulum with an external harmonic excitation
In this paper, the dynamic behavior of a double pendulum under horizontal harmonic excitation is studied. The mathematical model is described by a...
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Robust fault accommodation approach for double-pendulum tower cranes via adaptive neural network-triggered control
In this paper, a novel fault accommodation approach is designed for double-pendulum tower crane systems with both actuator drift and loss of...
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A double pendulum fixed at the L1 libration point: a precursor to a Mars–Phobos space elevator
The paper is devoted to the investigation of the possibility of constructing a double pendulum fixed at the L1 libration point in the framework of...
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Positioning and Swing Elimination Control of the Overhead Crane System with Double-Pendulum Dynamics
Purpose:For most existing control approaches, the overhead crane systems are usually modeled as the single-pendulum model. However, when the hook...
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Lqr-based PID controller with variable load tuned with data-driven methods for double inverted pendulum
Modern controller design is increasingly based on data-driven control methods. PID controllers are still used primarily in the industry, because they...
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Distributed delay adaptive output-based command sha** for different cable lengths of double-pendulum overhead cranes
This paper presents a new robust combined command sha** for effective hook and payload sways reduction of double-pendulum overhead crane....
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Oscillations of Double Mathematical Pendulum with Internal Friction
This paper investigates the oscillations of a double mathematical pendulum with identical parameters of links and end loads under the action of...
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A double variable-length pendulum with counterweight mass, kinematic excitation and electromagnetic forcing
This study introduces a novel double variable-length cable pendulum model and experimental setup featuring elastic suspension and counterweight mass....
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Input-limited optimal control for overhead cranes with payload hoisting/lowering and double pendulum effects
As an underactuated system, the overhead crane is widely used to transport cargoes in industry according to its flexibility and lifting capacity....
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Polishing uniformity analysis and process optimization based on the kinematic model of ring pendulum double-sided polisher
The uniformity of the machining results in the rough polishing of optical components that determines the length of the subsequent fine polishing...
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Development and Control of Underactuated Parallel Rotary Double Inverted Pendulum System
The Parallel Rotational Double Inverted Pendulum System (PRDIP) is a new model in the pendulum family. And there are not many articles that propose...
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Anti-swing and Positioning for Double-pendulum Tower Cranes Using Improved Active Disturbance Rejection Controller
In most working scenarios of tower cranes, the load swings around the hooks, resulting in a double-pendulum effect. This makes the tower crane more...
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Enhanced-coupling-based Tracking Control of Double Pendulum Gantry Cranes
Gantry cranes are mostly regarded as single pendulum models to research. However, gantry cranes will produce a double pendulum effect during the...
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Anti-swing sliding mode control of three-dimensional double pendulum overhead cranes based on extended state observer
When the double pendulum crane works in three-dimensional motion mode, it can significantly improve transportation efficiency. However, controlling...
