Related Experiment Video
Updated: May 5, 2026
10:58
Obtaining Specimens with Slowed, Accelerated and Reversed Aging in the Honey Bee Model
Published on: August 29, 2013
11.2K
Constructive-destructive neighbor search drives artificial bee colony algorithm for variable speed green hybrid
Danying Hu1,2, Yali Wu3,4, Lipeng Qiu5
1Department of Information and Control Engineering, Xi'an University of Technology, Xi'an, 710048, China.
Scientific Reports
|March 21, 2025
Summary
Researchers developed a new algorithm for the variable speed hybrid flowshop scheduling problem. This method optimizes makespan and energy consumption, outperforming existing approaches in most test cases.
Area of Science:
- Operations Research
- Artificial Intelligence
- Manufacturing Systems
Background:
- The hybrid flowshop scheduling problem (HFSP) is a complex, NP-hard problem with significant research interest.
- Real-world manufacturing involves machines operating at variable speeds, adding complexity to scheduling problems.
Purpose of the Study:
- To address the variable speed hybrid flowshop scheduling problem (VSHFSP).
- To minimize both makespan and total energy consumption in green manufacturing environments.
Main Methods:
- Proposed a novel speed optimization strategy for encoding and decoding.
- Designed a constructive-destructive search driven artificial bee colony (CDSABC) algorithm.
- Integrated specific operators: Technique for Order Preferences by Similarity to Ideal Solution (TOPSIS), binary tournament selection, and global updates.
Main Results:
- The CDSABC algorithm demonstrated superior performance across various metrics (best, worst, average, standard deviation of IGD index).
- Outperformed other algorithms in 80% of the evaluated test cases.
- Effectively balances makespan reduction and energy efficiency.
Conclusions:
- The developed CDSABC algorithm is effective for solving the VSHFSP.
- The approach provides a viable solution for green manufacturing by optimizing energy consumption and production time.
- The method offers a robust framework for complex scheduling challenges.
More Related Videos
09:09Radio Frequency Identification and Motion-sensitive Video Efficiently Automate Recording of Unrewarded Choice Behavior by Bumblebees
Published on: November 15, 2014
10.9K
11:53The Modular Design and Production of an Intelligent Robot Based on a Closed-Loop Control Strategy
Published on: October 14, 2017
11.5K
Related Concept Videos
01:21Distributed Loads: Problem Solving
1.3K
Beams are structural elements commonly employed in engineering applications requiring different load-carrying capacities. The first step in analyzing a beam under a distributed load is to simplify the problem by dividing the load into smaller regions, which allows one to consider each region separately and calculate the magnitude of the equivalent resultant load acting on each portion of the beam. The magnitude of the equivalent resultant load for each region can be determined by calculating...
1.3K
01:16Statically Indeterminate Problem Solving
951
Statically indeterminate problems are those where statics alone can not determine the internal forces or reactions. Consider a structure comprising two cylindrical rods made of steel and brass. These rods are joined at point B and restrained by rigid supports at points A and C. Now, the reactions at points A and C and the deflection at point B are to be determined. This rod structure is classified as statically indeterminate as the structure has more supports than are necessary for maintaining...
951
01:26The Power Flow Problem and Solution
1.2K
Power flow problem analysis is fundamental for determining real and reactive power flows in network components, such as transmission lines, transformers, and loads. The power system's single-line diagram provides data on the bus, transmission line, and transformer. Each bus k in the system is characterized by four key variables: voltage magnitude Vk, phase angle δk, real power Pk, and reactive power Qk. Two of these four variables are inputs, while the power...
1.2K
01:24Fast Decoupled and DC Powerflow
963
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
963
01:24Sequence Networks of Rotating Machines
592
A Y-connected synchronous generator, grounded through a neutral impedance, is designed to produce balanced internal phase voltages with only positive-sequence components. The generator's sequence networks include a source voltage that is exclusively in the positive-sequence network. The sequence components of line-to-ground voltages at the generator terminals illustrate this configuration.
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
Zero-sequence current induces a voltage drop across the generator's neutral impedance and other...
592
01:24Laminar Flow: Problem Solving
636
Laminar flow occurs when a fluid moves smoothly in parallel layers with minimal mixing and turbulence. In fluid mechanics, ensuring laminar flow within a pipe is essential for precise control of flow characteristics, especially in engineering applications. The key factor in determining whether flow remains laminar is the Reynolds number, a dimensionless quantity that depends on the fluid's velocity, density, viscosity, and the pipe's diameter. A Reynolds number of 2100 or lower...
636