Skip to Content
You are currently on the new version of our website. Access the old version .

5,344 Results Found

  • Article
  • Open Access
11 Citations
3,897 Views
14 Pages

Optimization of a Micromixer with Automatic Differentiation

  • Julius Jeßberger,
  • Jan E. Marquardt,
  • Luca Heim,
  • Jakob Mangold and ,
  • Fedor Bukreev and
  • Mathias J. Krause
  • + 1 author+ 0 author

22 April 2022

As micromixers offer the cheap and simple mixing of fluids and suspensions, they have become a key device in microfluidics. Their mixing performance can be significantly increased by periodically varying the inlet pressure, which leads to a non-stati...

(This article belongs to the Section Flow of Multi-Phase Fluids and Granular Materials)
  • Article
  • Open Access
21 Citations
5,734 Views
16 Pages

Automatic Optimization for Compliant Constant Force Mechanisms

  • Zongdi Tong,
  • Xiaozhi Zhang and
  • Guangwei Wang

30 January 2023

This paper presents an automatic optimization method for compliant constant force mechanisms, which eliminates the need for time-consuming parameter tuning and complex model design in the conventional design process. The proposed optimization framewo...

(This article belongs to the Section Actuators for Robotics)
  • Article
  • Open Access
10 Citations
7,960 Views
18 Pages

Integrated Coordinated Optimization Control of Automatic Generation Control and Automatic Voltage Control in Regional Power Grids

  • Qiu-Yu Lu,
  • Wei Hu,
  • Le Zheng,
  • Yong Min and ,
  • Miao Li,
  • Xiao-Ping Li,
  • Wei-Chun Ge and
  • Zhi-Ming Wang
  • + 3 authors+ 0 author

27 September 2012

Automatic Generation Control (AGC) and Automatic Voltage Control (AVC) are key approaches to frequency and voltage regulation in power systems. However, based on the assumption of decoupling of active and reactive power control, the existing AGC and...

(This article belongs to the Special Issue Electrical Power and Energy Systems)
  • Article
  • Open Access
3 Citations
1,816 Views
20 Pages

11 July 2024

Parking path optimization is the principal problem of automatic vertical parking (AVP); however, it is difficult to determine a collision avoiding, smooth, and accurate optimized parking path using traditional parking reference trajectory optimizatio...

(This article belongs to the Section Analysis of Algorithms and Complexity Theory)
  • Article
  • Open Access
2 Citations
1,741 Views
20 Pages

2 April 2024

During the process of reverse parking, it is difficult to achieve the ideal reference trajectory while avoiding collision. In this study, with the aim of establishing reference trajectory optimization for automatic reverse parking that smooths and sh...

(This article belongs to the Section Intelligent Sensors)
  • Article
  • Open Access
13 Citations
2,844 Views
19 Pages

14 September 2022

Automatic parking path optimization is a key point for automatic parking. However, it is difficult to obtain the smooth, accurate and optimal parking path by using traditional automatic parking optimization algorithms. So, based on the automatic park...

(This article belongs to the Section F: Engineering and Materials)
  • Article
  • Open Access
4 Citations
1,887 Views
14 Pages

24 August 2023

In this article, we analyze the program codes generated automatically using three advanced optimizers: Pluto, Traco, and Dapt, which are specifically tailored for the NPDP benchmark set. This benchmark set comprises ten program loops, predominantly f...

(This article belongs to the Special Issue Knowledge Engineering and Data Mining Volume II)
  • Feature Paper
  • Article
  • Open Access
6 Citations
3,040 Views
21 Pages

17 April 2024

In global optimization problems, diversification approaches are often necessary to overcome the convergence toward local optima. One approach is the multi-start method, where a set of different starting configurations are taken into account to design...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
2 Citations
1,039 Views
22 Pages

22 May 2025

Automatic reverse parking (ARP) faces challenges in finding ideal reference trajectories that avoid collisions, maintain smoothness, and minimize path length. To address this, we propose an improved directional mutation moth–flame optimization...

(This article belongs to the Topic Optimization Control and Fault Diagnosis of Intelligent Transportation Systems)
  • Article
  • Open Access
23 Citations
7,045 Views
20 Pages

Automatic Extrinsic Calibration of 3D LIDAR and Multi-Cameras Based on Graph Optimization

  • Jinshun Ou,
  • Panling Huang,
  • Jun Zhou,
  • Yifan Zhao and
  • Lebin Lin

13 March 2022

In recent years, multi-sensor fusion technology has made enormous progress in 3D reconstruction, surveying and mapping, autonomous driving, and other related fields, and extrinsic calibration is a necessary condition for multi-sensor fusion applicati...

(This article belongs to the Section Optical Sensors)
  • Article
  • Open Access
1 Citations
2,751 Views
21 Pages

In order to reduce energy consumption, improve driving mileage, and make vehicles adopt driver styles, research on automatic optimization of control strategy based on driver style is conducted in this paper. According to the structure of the powertra...

  • Article
  • Open Access
1,372 Views
26 Pages

26 March 2025

The ordinary differential equations used to model a dynamic system can evolve during the simulation in circumstances where unpredictable events occur, more specifically, in regard to the domain of power electronics, for example, static converters wil...

(This article belongs to the Section Energy Science and Technology)
  • Article
  • Open Access
16 Citations
4,830 Views
25 Pages

6 February 2020

In this paper, an improved multi-objective shark smell optimization algorithm using composite angle cosine is proposed for automatic train operation (ATO). Specifically, when solving the problem that the automatic train operation velocity trajectory...

(This article belongs to the Special Issue Intelligent Transportation Systems for Electric Vehicles)
  • Article
  • Open Access
15 Citations
3,071 Views
14 Pages

1 September 2021

A tritium breeding blanket (TBB) is an essential component in a fusion reactor, which has functions of tritium breeding, energy generation and neutron shielding. Tritium breeding ratio (TBR) is a key parameter to evaluate whether the TBB could produc...

(This article belongs to the Section B4: Nuclear Energy)
  • Feature Paper
  • Article
  • Open Access
3 Citations
2,789 Views
35 Pages

Methodology for the Automatic Generation of Optimization Models of Systems of Flexible Energy Resources

  • Lukas Peter Wagner,
  • Felix Gehlhoff,
  • Lasse Matthias Reinpold,
  • Georg Frey and ,
  • Julian Jepsen and
  • Alexander Fay
  • + 1 author+ 0 author

13 January 2025

The integration of increasing shares of intermittent renewable energy necessitates flexibility in both energy generation and consumption. Typically, the operation of flexible energy resources is orchestrated through optimization models. However, the...

(This article belongs to the Special Issue Operation and Control of Distributed Power Resources Under Market Environment)
  • Article
  • Open Access
24 Citations
6,091 Views
16 Pages

Optimization of Main Link Lengths of Transplanting Device of Semi-Automatic Vegetable Transplanter

  • Seok-Joon Hwang,
  • Jeong-Hyeon Park,
  • Ju-Yeon Lee,
  • Sung-Bo Shim and
  • Ju-Seok Nam

9 December 2020

In this study, the lengths of the main links of the transplanting device of a semi-automatic vegetable transplanter were optimized to reduce the weight at the same planting trajectory. The theoretical planting trajectory was obtained from the kinemat...

(This article belongs to the Special Issue Automation for Digital Farming)
  • Communication
  • Open Access
635 Views
13 Pages

5 December 2025

An automatic optimization approach to the non-periodic (NP) folded-waveguide slow-wave structure (FW-SWS) is proposed for the high efficiency traveling wave tube (TWT). Considering the beam-wave synchronism condition, the data of the beam velocity di...

  • Article
  • Open Access
14 Citations
6,341 Views
16 Pages

Mathematical Model for Prediction and Optimization of Weld Bead Geometry in All-Position Automatic Welding of Pipes

  • Baoyi Liao,
  • Yonghua Shi,
  • Yanxin Cui,
  • Shuwan Cui and ,
  • Zexin Jiang and
  • Yaoyong Yi
  • + 1 author+ 0 author

25 September 2018

In this study all-position automatic tungsten inert gas (TIG) welding was exploited to enhance quality and efficiency in the welding of copper-nickel alloy pipes. The mathematical models of all-position automatic TIG weld bead shapes were conducted b...

(This article belongs to the Special Issue Numerical Modelling and Simulation of Metal Processing)
  • Article
  • Open Access
13 Citations
3,757 Views
33 Pages

17 May 2019

Aiming at the problem of easy-to-fall-into local convergence for automatic train operation (ATO) velocity ideal trajectory profile optimization algorithms, an improved multi-objective hybrid optimization algorithm using a comprehensive learning strat...

(This article belongs to the Special Issue Progresses in Advanced Research on Intelligent Electric Vehicles)
  • Article
  • Open Access
4 Citations
1,597 Views
13 Pages

25 February 2025

Long-term tracking tests revealed that the adaptive spiral profiling automatic rubber cutter is prone to “knife off” and “knife jumping” states during the cutting process. These issues result in inconsistent skin thickness and...

(This article belongs to the Section Forest Operations and Engineering)
  • Article
  • Open Access
5 Citations
3,821 Views
26 Pages

Static Model-Based Optimization and Multi-Input Optimal Control of Automatic Transmission Upshift during Inertia Phase

  • Ivan Cvok,
  • Joško Deur,
  • Mislav Hihlik,
  • Yijing Zhang and ,
  • Vladimir Ivanovic and
  • Yuji Fujii
  • + 1 author+ 0 author

7 February 2023

Step-ratio automatic transmission upshift performance can be improved by modulating the off-going (OFG) clutch during the inertia phase. In this paper, a static powertrain performance model is derived and applied for the purpose of numerically effici...

  • Article
  • Open Access
54 Citations
6,260 Views
19 Pages

14 December 2017

The Optics Inspired Optimization (OIO) algorithm is a new metaheuristic optimization method. In this paper, the OIO algorithm was proposed for automatic production control parameters in electrical power systems. The performance of the proposed algori...

(This article belongs to the Section F: Electrical Engineering)
  • Article
  • Open Access
2 Citations
1,589 Views
34 Pages

An Improved Whale Optimization Algorithm via Angle Penalized Distance for Automatic Train Operation

  • Longda Wang,
  • Yanjie Ju,
  • Long Guo,
  • Gang Liu and ,
  • Chunlin Li and
  • Yan Chen
  • + 1 author+ 0 author

This study proposes a novel effective improved whale optimization algorithm via angle penalized distance (IWOA-APD) for automatic train operation (ATO) to effectively improve the ATO quality. Specifically, aiming at the high-quality target speed curv...

  • Article
  • Open Access
1 Citations
2,653 Views
21 Pages

4 November 2021

In our paper, we introduce a sparse and symmetric matrix completion quasi-Newton model using automatic differentiation, for solving unconstrained optimization problems where the sparse structure of the Hessian is available. The proposed method is a k...

(This article belongs to the Section B: Mathematics)
  • Article
  • Open Access
6 Citations
3,111 Views
25 Pages

Automatic Column Grouping of 3D Steel Frames via Multi-Objective Structural Optimization

  • Cláudio Resende,
  • Luiz Fernando Martha,
  • Afonso Lemonge,
  • Patricia Hallak and ,
  • José Carvalho and
  • Júlia Motta
  • + 1 author+ 0 author

11 January 2024

Formulations of structural optimization problems are proposed in this paper to automatically find the best grouping of columns in 3D steel buildings. In these formulations, the conflicting objective functions, minimized simultaneously, are the weight...

(This article belongs to the Section Building Structures)
  • Article
  • Open Access
63 Citations
4,385 Views
18 Pages

Improved Whale Optimization Algorithm for Transient Response, Robustness, and Stability Enhancement of an Automatic Voltage Regulator System

  • Salman Habib,
  • Ghulam Abbas,
  • Touqeer A. Jumani,
  • Aqeel Ahmed Bhutto and ,
  • Sohrab Mirsaeidi and
  • Emad M. Ahmed
  • + 1 author+ 0 author

10 July 2022

The proportional integral derivative (PID) controller is one of the most robust and simplest configuration controllers used for industrial applications. However, its performance purely depends on the tuning of its proportional (KP), integral (KI) and...

(This article belongs to the Special Issue Advances in Solar Energy and Materials)
  • Article
  • Open Access
6 Citations
719 Views
26 Pages

14 January 2026

In this study, a Superb Fairy-wren Optimization Algorithm (SFOA)-based proportional–integral–derivative (PID) controller is proposed for the first time in the literature to improve transient voltage stability performance of automatic volt...

  • Article
  • Open Access
18 Citations
7,144 Views
22 Pages

During the promotion of the modular steel structure in the architecture, engineering, and construction (AEC) industry, building information modeling (BIM) is leveraged to integrate the design process into the whole construction sequence. The absence...

(This article belongs to the Section Construction Management, and Computers & Digitization)
  • Article
  • Open Access
5 Citations
2,958 Views
53 Pages

Dynamical Sphere Regrouping Particle Swarm Optimization Programming: An Automatic Programming Algorithm Avoiding Premature Convergence

  • Martín Montes Rivera,
  • Carlos Guerrero-Mendez,
  • Daniela Lopez-Betancur and
  • Tonatiuh Saucedo-Anaya

27 September 2024

Symbolic regression plays a crucial role in machine learning and data science by allowing the extraction of meaningful mathematical models directly from data without imposing a specific structure. This level of adaptability is especially beneficial i...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
3 Citations
635 Views
15 Pages

Design and Operating-Parameter Optimization of a Precision Seeder for Chinese Yam Based on Automatic Seed Distribution and Chain-Driven Metering

  • Jingchao Mu,
  • Hongpeng Zhao,
  • Xiuping Zhang,
  • Lin Chen and ,
  • Xiaoshun Zhao and
  • Tinghui Liu
  • + 1 author+ 0 author

A precision seeder for elongated Chinese yam seed segments was developed by integrating automatic seed distribution with chain-driven metering. The design was based on measured seed segment properties, including mean length, width, thickness, equival...

(This article belongs to the Section Agricultural Technology)
  • Article
  • Open Access
6 Citations
2,900 Views
15 Pages

9 June 2023

Shale reserves have become an ever-increasing component of the world’s energy map. The optimal design of multi-well multi-stage fracturing (MMF) treatments is essential to the economic development of such resources. However, optimizing MMF trea...

(This article belongs to the Special Issue Phase Change, Interphase Coupling, and Multiphase Transport in Porous Structures)
  • Article
  • Open Access
15 Citations
3,911 Views
19 Pages

An Automatic-Segmentation- and Hyper-Parameter-Optimization-Based Artificial Rabbits Algorithm for Leaf Disease Classification

  • Ihtiram Raza Khan,
  • M. Siva Sangari,
  • Piyush Kumar Shukla,
  • Aliya Aleryani and ,
  • Omar Alqahtani,
  • Areej Alasiry and
  • M. Turki-Hadj Alouane
  • + 2 authors+ 0 author

19 September 2023

In recent years, disease attacks have posed continuous threats to agriculture and caused substantial losses in the economy. Thus, early detection and classification could minimize the spread of disease and help to improve yield. Meanwhile, deep learn...

(This article belongs to the Special Issue Biomimicry for Optimization, Control, and Automation)
  • Article
  • Open Access
5 Citations
1,971 Views
19 Pages

12 February 2025

Asynchronous interconnected systems connected by High-Voltage Direct Current (HVDC) transmission lines struggle with frequency support between interconnected areas, increasing the risk of frequency instability and resulting in low efficiency in frequ...

(This article belongs to the Section F1: Electrical Power System)
  • Article
  • Open Access
110 Citations
6,537 Views
17 Pages

Salp Swarm Optimization Algorithm-Based Fractional Order PID Controller for Dynamic Response and Stability Enhancement of an Automatic Voltage Regulator System

  • Ismail Akbar Khan,
  • Ali S. Alghamdi,
  • Touqeer Ahmed Jumani,
  • Arbab Alamgir and ,
  • Ahmed Bilal Awan and
  • Attaullah Khidrani
  • + 1 author+ 0 author

3 December 2019

Owing to the superior transient and steady-state performance of the fractional-order proportional-integral-derivative (FOPID) controller over its conventional counterpart, this paper exploited its application in an automatic voltage regulator (AVR) s...

(This article belongs to the Section Systems & Control Engineering)
  • Article
  • Open Access
28 Citations
3,326 Views
27 Pages

A Chaotic Search-Based Hybrid Optimization Technique for Automatic Load Frequency Control of a Renewable Energy Integrated Power System

  • Nandakumar Sundararaju,
  • Arangarajan Vinayagam,
  • Veerapandiyan Veerasamy and
  • Gunasekaran Subramaniam

In this work, a chaotic search-based hybrid Sperm Swarm Optimized-Gravitational Search Algorithm (CSSO-GSA) is proposed for automatic load frequency control (ALFC) of a hybrid power system (HPS). The HPS model is developed using multiple power source...

(This article belongs to the Topic Distributed Energy Systems and Resources)
  • Article
  • Open Access
4 Citations
3,073 Views
17 Pages

Automatic Parking Trajectory Planning Based on Warm Start Nonlinear Dynamic Optimization

  • Hongbin Ren,
  • Yaqi Niu,
  • Yunong Li,
  • Lin Yang and
  • Hongliang Gao

27 December 2024

In this paper, we propose an optimal parking path planning method based on numerical solving, which leverages the concept of the distance between convex sets. The obstacle avoidance constraints were transformed into continuous, smooth nonlinear const...

(This article belongs to the Section Vehicular Sensing)
  • Article
  • Open Access
1 Citations
3,017 Views
22 Pages

Decomposed Iterative Optimal Power Flow with Automatic Regionalization

  • Xinhu Zheng,
  • Dongliang Duan,
  • Liuqing Yang and
  • Haonan Wang

22 September 2020

The optimal power flow (OPF) problem plays an important role in power system operation and control. The problem is nonconvex and NP-hard, hence global optimality is not guaranteed and the complexity grows exponentially with the size of the system. Th...

(This article belongs to the Section F: Electrical Engineering)
  • Article
  • Open Access
14 Citations
4,919 Views
16 Pages

13 October 2023

In response to the low accuracy exhibited by the Storm Water Management Model (SWMM), we propose an enhanced Differential Evolution and Bayesian Optimization Algorithm (DE-BOA). This algorithm integrates the global search capability of the differenti...

(This article belongs to the Section New Sensors, New Technologies and Machine Learning in Water Sciences)
  • Article
  • Open Access
1 Citations
906 Views
23 Pages

Direct collocation transcription is a dominant technique for solving complex optimal control problems, converting continuous dynamics into large-scale, sparse nonlinear programming problems. The computational efficiency of this approach is fundamenta...

  • Article
  • Open Access
9 Citations
1,914 Views
16 Pages

30 May 2024

Because of the vast ocean area and the large amount of high-resolution image data, ship detection and data processing have become more difficult. These difficulties can be solved using the artificial intelligence interpretation method. The efficient...

(This article belongs to the Section E1: Mathematics and Computer Science)
  • Article
  • Open Access
4 Citations
2,779 Views
12 Pages

Optimal Design for Vibration Mitigation of a Planar Parallel Mechanism for a Fast Automatic Machine

  • Federico Zaccaria,
  • Edoardo Quarta,
  • Simone Badini and
  • Marco Carricato

5 September 2022

This work studies a planar parallel mechanism installed on a fast-operating automatic machine. In particular, the mechanism design is optimized to mitigate experimentally-observed vibrations. The latter are a frequent issue in mechanisms operating at...

(This article belongs to the Special Issue Advances of Machine Design in Italy 2022)
  • Article
  • Open Access
3 Citations
2,568 Views
11 Pages

Automatic Power Optimization of a 44 Tbit/s Real-Time Transmission System over 1900 km G.654.E Fiber and Widened C+L Erbium-Doped Fiber Amplifiers Utilizing 400 Gbit/s Transponders

  • Anxu Zhang,
  • Yuyang Liu,
  • Lipeng Feng,
  • Huan Chen and ,
  • Yuting Du,
  • Jun Wu,
  • Kai Lv,
  • Hao Liu,
  • Xia Sheng and
  • Xiaoli Huo
  • + 5 authors+ 0 author

17 January 2024

Power unevenness, mainly induced by stimulated Raman scattering, has been a major problem in multi-band transmission systems, especially in the upcoming field-deployed 400 Gbit/s widened C band plus L band system for backbone long-haul and ultra-long...

(This article belongs to the Special Issue Novel Advances in Optical Communications)
  • Article
  • Open Access
18 Citations
3,665 Views
14 Pages

3 November 2020

In order to improve fuel economy, the number of gears in the hydraulic automatic transmission of heavy-duty mining trucks is continuously increasing. Compared with single-transition shifts, double-transition shifts can optimize the structure of multi...

(This article belongs to the Section Mechanical Engineering)
  • Article
  • Open Access
19 Citations
4,224 Views
16 Pages

Automatic Spray Trajectory Optimization on Bézier Surface

  • Wei Chen,
  • Junjie Liu,
  • Yang Tang and
  • Huilin Ge

The trajectory optimization of automatic spraying robot is still a challenging problem, which is very important in the whole spraying work. Spray trajectory optimization consists of two parts: spray space path and end-effector moving speed. A large n...

(This article belongs to the Special Issue Cognitive Robotics & Control)
  • Communication
  • Open Access
1 Citations
2,238 Views
7 Pages

3 October 2023

To address the complexity and low detection accuracy issues in the intrinsic frequency detection process of fiber optic gyroscopes, a highly precise automatic measurement method based on optimal projection approximation is proposed. Building upon the...

  • Article
  • Open Access
1 Citations
1,102 Views
20 Pages

27 September 2025

In order to enhance leakage detection accuracy in water distribution networks (WDNs) while reducing sensor deployment costs, an intelligent algorithm for the optimal deployment of water network monitoring sensors based on the automatic labelling and...

  • Article
  • Open Access
16 Citations
1,974 Views
16 Pages

27 July 2023

Sustainability is important in voltage regulation control in grids and must be done successfully. In this paper, a novel tilt-fractional order integral-derivative with a second order derivative and low-pass filters controller, referred to as TI&lambd...

(This article belongs to the Topic Optimal Planning, Integration and Control of Smart Grids and Microgrids Systems)
  • Article
  • Open Access
35 Citations
1,940 Views
24 Pages

A Novel Gudermannian Function-Driven Controller Architecture Optimized by Starfish Optimizer for Superior Transient Performance of Automatic Voltage Regulation

  • Davut Izci,
  • Serdar Ekinci,
  • Mostafa Jabari,
  • Behçet Kocaman and ,
  • Burcu Bektaş Güneş,
  • Enver Adas and
  • Mohd Ashraf Ahmad
  • + 2 authors+ 0 author

This paper proposes a Gudermannian function-based proportional–integral–derivative (G-PID) controller to enhance the transient performance of automatic voltage regulator (AVR) systems operating under highly dynamic conditions. By embeddin...

(This article belongs to the Section Bioinspired Sensorics, Information Processing and Control)
  • Article
  • Open Access
5 Citations
1,197 Views
27 Pages

17 June 2025

Urban thermal environment challenges in China have made outdoor thermal comfort a key factor in evaluating spatial quality and livability. Building layout not only affects internal performance but also shapes the microclimate of surrounding outdoor s...

(This article belongs to the Section Architectural Design, Urban Science, and Real Estate)
  • Editorial
  • Open Access
1,187 Views
4 Pages

Applied optimization in automatic control and systems engineering involves developing and implementing mathematical methods to improve the performance and efficiency of automated systems [...]

(This article belongs to the Special Issue Applied Optimization in Automatic Control and Systems Engineering)

of 107