Related Experiment Video
Updated: Jan 8, 2026
11:28
A Coupled Experiment-finite Element Modeling Methodology for Assessing High Strain Rate Mechanical Response of Soft Biomaterials
Published on: May 18, 2015
12.9K
Research on multi-cylinder coordinated coupling synchronous control strategy based on strain energy.
Yunpu Xue1, Baoping Wang2, Jindong Xu3
1School of Construction Machinery, Shandong Jiaotong University, Jinan, 250357, China.
Scientific Reports
|December 22, 2025
Summary
This study introduces a new control strategy for multi-cylinder systems, improving synchronization accuracy and stability in heavy machinery. The method balances dynamic strain energy, reducing errors by nearly half under variable loads.
Area of Science:
- Mechanical Engineering
- Control Systems Engineering
- Hydraulic Systems
Background:
- Multi-cylinder synchronous control is vital for heavy machinery but faces precision challenges with dynamic and asymmetric loads.
- Existing methods often fail to account for the interplay between structural strain energy and hydraulic actuation, causing synchronization errors.
Purpose of the Study:
- To develop a coordinated coupling control strategy for enhancing multi-cylinder synchronization precision.
- To address synchronization errors caused by dynamic coupling and structural deformation in heavy lifting operations.
Main Methods:
- Proposing a control strategy based on dynamic strain energy balance.
- Decoupling lifting processes from synchronization control.
- Integrating real-time strain energy feedback for dynamic compensation of deviations.
- Utilizing a multi-physics co-simulation platform (MATLAB/AMESim-Adams) for validation.
Main Results:
- Demonstrated significant improvements in synchronization accuracy and stability compared to conventional methods.
- Reduced maximum synchronization errors by nearly 50% under variable loads.
- Successfully suppressed structural fatigue risks through dynamic compensation.
Conclusions:
- The proposed dynamic strain energy balance strategy enhances high-precision multi-cylinder system control.
- This approach offers robust cooperative control with broader applications in heavy equipment.
- The method effectively mitigates synchronization errors and improves operational stability.
Related Concept Videos
01:20Elastic Strain Energy for Shearing Stresses
461
As discussed in previous lessons, strain energy in a material is the energy stored when it is elastically deformed, a concept crucial in materials science and mechanical engineering. This energy results from the internal work done against the cohesive forces within the material. When a material undergoes shearing stress and corresponding shearing strain, the strain energy density, which is the energy stored per unit volume, is calculated. Within the elastic limit, where the stress is...
461
01:18Stress Concentrations in Circular Shafts
496
Consider the elastic torsion formula, which applies to a circular shaft with a consistent cross-section. This formula assumes that the shaft's ends are loaded with rigid plates firmly attached. However, in many cases, torques are applied to the shaft through mechanisms like flange couplings or gears, which are connected by keys inserted into keyways. This application method modifies the stress distribution near the point of torque application, causing it to deviate from the distributions...
496
01:22Elastic Strain Energy for Normal Stresses
534
Strain energy quantifies the energy stored within a material due to deformation under loading conditions, a fundamental concept in materials science and engineering. The strain energy can be modeled when a material is subjected to axial loading with uniformly distributed stress. In this scenario, the stress experienced by the material is the internal force divided by the cross-sectional area, and the strain induced is directly proportional to this stress through the modulus of elasticity.
If...
If...
534
01:15Design of Transmission Shafts - Stress Analysis
700
Designing a transmission shaft requires a thorough understanding of the stresses induced by bending moments and torques, especially in systems where power is transferred through gears. These forces create force-couple systems at the centers of the shaft's cross-sections, leading to both transverse and torsional loading. Although shearing stresses from transverse loads are typically smaller than those from torques and are often overlooked, the significant normal stresses from these loads...
700
01:18Castigliano's Theorem
923
Castigliano's theorem analyzes displacements and rotations in elastic structures. It relates the derivative of elastic strain energy to the applied forces or moments, allowing for the calculation of deformations. The theorem states that the partial derivative of the total strain energy of a system with respect to a specific load results in the displacement at the point where the load is applied. This principle applies to both forces and moments.
923
01:13Strain Energy
873
Strain energy is a fundamental concept in the field of materials science and structural engineering, describing the energy absorbed by a material or structure when it is deformed under load.
Consider a rod that is fixed at one end and subjected to an axial force at the free end. This axial force induces stress within the rod, leading to its elongation. As the axial force increases, so does the elongation of the rod, illustrating a direct relationship between the force applied and the resulting...
Consider a rod that is fixed at one end and subjected to an axial force at the free end. This axial force induces stress within the rod, leading to its elongation. As the axial force increases, so does the elongation of the rod, illustrating a direct relationship between the force applied and the resulting...
873