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检索条件"任意字段=3rd AIAA Flow Control Conference"

共 2648 条记录，以下是11-20 订阅

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Research on Fuzzy PID Gate flow control Based on Single Value Estimation 3

Research on Fuzzy PID Gate Flow Control Based on Single Valu...

引用

3rd International conference on Electrical Engineering and control Science, IC2ECS 2023

作者： Lei, Binsheng Wang, Yongshun School of Electronic and Information Engineering Lanzhou Jiaotong University Lanzhou China

ISBN: (纸本)9798350382426

For the flow control of sluice gates, which has the characteristics of pure time delay and time-varying, a fuzzy PID gate flow controller based on single value prediction is designed. The controller optimizes the fuzzy PID controller using an online single-value estimation method. By predicting the output of the control system and correcting the feedback of the gate control system, the impact of factors such as pure time delay and environmental interference on the accuracy of gate flow control is effectively improved. Through simulation using MATLAB software, the results indicate that compared to traditional PID controllers and fuzzy self-tuning PID controllers, this controller has the advantages of smaller overshoot and stronger disturbance rejection, which is beneficial for improving the control performance of the gate flow control system. © 2023 IEEE.

关键词： Agricultural irrigation flow control Fuzzy PID control

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Design and Implementation of an Autonomous Line-Following Minidrone Using Image Processing and PID control 3

Design and Implementation of an Autonomous Line-Following Mi...

引用

3rd International conference on Intelligent and Innovative Technologies in Computing, Electrical and Electronics, IITCEE 2025

作者： Rekha, P. Hussain, Maaz Naveed, Misrah Bnm Institute of Technology Dept. of Ece Bangalore India Bnm Institute of Technology Bangalore India

ISBN: (纸本)9798331515911

This paper presents a comprehensive approach to controlling a Parrot Mambo minidrone in a simulation environment using MATLAB. The primary objective is to guide the drone along a predefined path while maintaining stability and precision. Optical flow technique and Inertial Measurement Unit sensor data are used for real-time position and velocity estimation. Path planning algorithms, coupled with control strategies such as Kalman filtering and dynamic error correction, ensure the drone follows the optimal path to reach its target. Simulation results demonstrate the effectiveness of the proposed system in successfully navigating the drone through complex maneuvers with minimal drift. © 2025 IEEE.

关键词： MATLAB

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Fault Localization of Distribution Network Based on Conservative Q-Learning Algorithm 3

Fault Localization of Distribution Network Based on Conserva...

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3rd International conference on Energy and Electrical Power Systems (ICEEPS)

作者： Wu, Hongwen Yi, Chenying Zhou, Yangjun Zhang, Yuxuan Huang, Jinfeng Luo, Wei Tian, Junyang He, Renjun Wei, Renqiong Wang, Jing Guangxi Power Grid Co Ltd Wuzhou Power Supply Bur Wuzhou Peoples R China Guangxi Power Grid Co Ltd Guangxi Key Lab Intelligent Control & Maintenance Elect Power Res Inst Nanning Peoples R China Guangxi Power Grid Co LTD Power Dispatch Control Ctr Nanning Peoples R China

ISBN: (纸本)9798350375145;9798350375138

With the large-scale integration of distributed generation, the characteristics of the distribution network have changed significantly, resulting in a notable decline in the accuracy of traditional fault localization methods. To address this issue, this paper proposes a fault location method based on a conservative Q-learning (CQL) algorithm. Specifically, to tackle the problem of potential misjudgment, an objective function/fitness value correction method for bidirectional power flow induced by distributed generation is introduced. To overcome the challenges of slow convergence speed and poor robustness in existing models, a CQL algorithm is employed to enhance the efficiency and stability of the algorithm. The IEEE-33 distribution network is used as a case study to demonstrate the accuracy and efficiency of the proposed fault localization method.

关键词： fault localization distributed generation bidirectional power flow conservative Q-learning algorithm

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To the Assessment of Pressure Losses when Transporting Oil Through Pipelines 3

To the Assessment of Pressure Losses when Transporting Oil T...

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3rd International conference on Problems of Logistics, Management and Operation in the East-West Transport Corridor, PLMO 2024

作者： Zeynalov, Ramin Gadimova, Leyla Najafova, Lamiya Laboratory of control in emergency situations of the Institute of Control Systems Azerbaijan Technical University Baku Azerbaijan Laboratory of control in emergency situations of the Institute of Control Systems Baku Azerbaijan

ISBN: (纸本)9798350353099

Management of transportation processes is directly carried out by means of a system approach to them, which, in turn, is related to their classification properties. The field of transportation research is associated with the study of complex and dynamic relationships. The complexity of the study is due to the need to analyze a large number of intertwined links in the transport system itself or in its subsystem, as well as links between the transport system and socio-economic environment. Taking into account the importance of the systemic study of various transportation processes, some aspects of the study have been considered, taking into account the peculiarities of these processes. Within the framework of uncertainty of influencing factors the problem of estimation of pressure losses on hydraulic friction under conditions of given dynamics of oil pipeline flow rate is investigated. © 2024 IEEE.

关键词： Petroleum transportation

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Comparative Analysis of Optimization Techniques for FOPID Design in Grid Integration 3

Comparative Analysis of Optimization Techniques for FOPID De...

引用

3rd International conference on Power Electronics and IoT Applications in Renewable Energy and its control, PARC 2024

作者： Singh, Kalyan Saroha, Sumit Verma, Avnesh GJUST Department of EEE Hisar India Kurukshetra University Department of Instrumentation Kurukshetra India

ISBN: (纸本)9798350309409

This research paper provides a thorough literature of fractional order proportional-integral-derivative (FOPID) controllers within the realm of grid integration applications. The main objective is to conduct a comparative analysis of classical and intelligent control techniques in the specific context of grid integration. The performance of fractional order PID controllers is carefully scrutinized with regard to their capacity to regulate power flow, improve stability, and enhance overall system performance. The review is based on parameter optimization technique, accuracy of technique used, parameters optimized, output performance improved for specific area using a software/tool. Moreover, the study explores the potential of intelligent control techniques such as: fuzzy logic, neural networks, and evolutionary algorithms, to augment grid integration with PID. This research contributes to explore the techniques used in future based on control strategies designed with their accuracy for grid integration systems. © 2024 IEEE.

关键词： Intelligent control

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Cloud Distributed Optimal control of ESS-PV Residential Inverters 3

Cloud Distributed Optimal Control of ESS-PV Residential Inve...

引用

3rd International conference on Power Systems and Electrical Technology, PSET 2024

作者： Kim, Byungchul Abed, Eyad H. University of Maryland Department of Electrical and Computer Engineering College ParkMD United States

ISBN: (纸本)9798350353204

Perfect power flow methods can be employed to choose which inverters will supply and determine their optimal real and reactive power settings based on financial goals. Utilizing advanced semidefinite relaxation make possible to work out with lessen calculation loads. Reflecting on the complex power inculcation originated by strong robustness and the high resilience of ESS-PV inverter, the steady state voltage security area (SSVSA) for inverter is created. The voltage expedition indicator for inverter is suggested to measure the voltage security limit between the security range and operation state. The suggested scheme balances beneficially to large distribution networks. © 2024 IEEE.

关键词： cloud system Energy storage system (ESS) photovoltaic power flow voltage security

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Adaptive Fuzzy Logic Based controller for Grid-Interactive EV Systems in Charging Application 3

Adaptive Fuzzy Logic Based Controller for Grid-Interactive E...

引用

3rd IEEE International conference on Power Electronics, Intelligent control and Energy Systems, ICPEICES 2024

作者： Ram, Yalavarthi Lalith Sai Singh, Akshay Kumar Kumar, Sanat Yadav, Gaurav Singh, Mukhtiar Delhi Technological University Electrical Engineering Department Delhi India

ISBN: (纸本)9798350387193

For efficient Grid to vehicle (G2V) operations, the harmonic power flow between Electric Vehicles (EV) and AC grid is required. This paper introduces an Adaptive control-based AC/DC converter that efficiently tracks the voltage and gives a robust control for dynamic loading conditions based on reference values in G2V Operation. The performance of the Adaptive Neural Fuzzy controller is compared to that of a Neural Predictive controller (NPC) and an Online-PI through a comparative analysis in G2V Operation. Three distinct controllers-Online-PI, Neural Predictive controller, and Adaptive Neural Fuzzy controller-are used to simulate a On-Board EV Charger using MATLAB/Simulink. In comparison to NPC and Online-PI controllers, the comparative analysis unequivocally shows that the adaptive neural fuzzy-based controller is more effective. © 2024 IEEE.

关键词： Predictive control systems

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Femtosecond Laser Interference Micro-patterning on Mold Surface to Improve Hydrophobicity for Microfluid Applications 3rd

Femtosecond Laser Interference Micro-patterning on Mold Surf...

引用

3rd International conference on Advanced Surface Enhancement (INCASE)

作者： Ye, Kaidong Wang, Xincai Hu, Jiangfeng Wang, Zhenfeng ASTAR Adv Remfg & Technol Ctr ARTC 3 CleanTech LoopCleanTech Two01-01 Singapore 637143 Singapore ASTAR Singapore Inst Mfg Technol Singapore SIMTech 2 Fusionopolis Way08-04 Innovis Singapore 637143 Singapore

ISBN: (纸本)9789819986422;9789819986439

Fluidic flow in micro-channels is driven by capillary filling actuation mechanism. Therefore, surface hydrophobicity plays a significant role in controlling the fluidic flow. Surface hydrophobicity can be tuned by depositing hydrophobic material onto the surface, or by creating surface micro-/nano-textures that follow Cassie-Baxter model (hydrophobic). To facilitate fluidic flow in a microchannel, it is critical to design and create superhydrophobic surfaces with high contact angle and low contact angle hysteresis, which require accurate control of two-scale micro-/ nanostructures. In this study, we propose to use laser interference to create deterministic micro- and or nano-level patterns on a metal mold surface. Femtosecond laser is chosen due to its high machining precision and minimum heat-affected zone. The surface structures are characterized by optical and scanning electron microscopy. The surface wettability is analyzed by measuring surface water contact angles. Through hot embossing, the surface structures are replicated onto surfaces of polymer microfluidic channels. The proposed method is shown to be effective and easy to implement for microfluidic applications.

关键词： Laser interference patterning Femtosecond interference Microfluidics

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Air Supply control for PEM Fuel Cells Under Hamiltonian Framework: A Segmentation Approach 3

Air Supply Control for PEM Fuel Cells Under Hamiltonian Fram...

引用

3rd conference on Fully Actuated System Theory and Applications (FASTA)

作者： Kumar, Lalitesh Chen, Jian Li, Xinyu Li, Zhongliang Zhejiang Univ Coll Control Sci & Engn Hangzhou 310027 Peoples R China Zhejiang Univ Sch Mech Engn State Key Lab Fluid Power & Mechatron Syst Hangzhou 310058 Peoples R China Univ Franche Comte UTBM CNRS Inst FEMTO STFCLAB Belfort France

ISBN: (纸本)9798350373707;9798350373691

In this paper, a novel multi-input multi-output nonlinear model of proton exchange membrane fuel cells air supply subsystem under port-Hamiltonian framework is proposed-based on the segmentation of the cathode flow channel. The model consists of inlet valve, cathode flow channel, and back pressure valve to regulate the air supply. In this model, the valve openings are regarded to be inputs to the air-supply subsystem, and the valve orifices are modeled as a linear approximation from the characteristics curves of the solenoid valves. In addition, the developed model's energy balance, dissipativity, and passivity properties are proved and discussed in details in this work. Furthermore, a passivity-based control action is designed to track the desired pressures trajectories in port-Hamiltonian framework with explicit stability analysis. Finally, the designed control action can minimize the tracking error of distributed pressures in the segments and also prove the effectiveness of the proposed model, as depicted with simulation results.

关键词： PEM Fuel Cells Passivity Dissipativity Port-Hamiltonian Systems Trajectory Tracking control

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Enhancing Supersonic Rudder control Surface Using Co-flow Jet Active flow control

Enhancing Supersonic Rudder Control Surface Using Co-flow Je...

引用

aiaa Aviation Forum

作者： Lei, Zhijin Zha, Gecheng Univ Miami Dept Mech & Aerosp Engn Coral Gables FL 33124 USA

ISBN: (数字)9781624107047

ISBN: (纸本)9781624107047

This paper investigates the effects using high lift zero-net mass-flux Co-flow Jet (CFJ) active flow control on aircraft control surfaces with rudders. The goal is to increase the control ability of rudder control surface of supersonic civil transport (SST) and save energy expenditure. A simplified Concorde vertical tail model is constructed and used as a baseline control surface for parametric trade study using a Reynolds-averaged Navier-Stokes (RANS) solver with Spalart-Allmaras (SA) model. A 3rd order WENO scheme for the inviscid flux is used to resolve the Navier-Stokes equations. The 3D numerical studies indicate that, the Rudder-Stabilizer-CFJ, which was optimal CFJ configuration in two-dimensional simulation, generates jet flows that interfere with each other and thus no longer performs well in three-dimensional situation. The Rudder-CFJ is the optimal location, under which the optimal rudder deflection angle is 45 degrees, and the optimal jet momentum coefficient is 0.08, which is the largest possible value. Under this condition, the maximum lift enhancement of 63.1% and the maximum C-L/CD, (c) increment of 18.1% is achieved. When the rudder deflection angle is 45 degrees, lower C-mu will always generate positive lift enhancement and improves both C-L/C-D and C-L/C-D,C-c;at the lowest simulated C-mu=0.02, the improvements are 32.8% and 11.62% respectively. When the rudder deflection angle is larger than 45 degrees, both lift coefficient and its increment drops. For this specific control surface geometry, CFJ does not reduce drag coefficient at all C(mu)s and all rudder deflection angles, but when the udder deflection angle is larger than 30 degrees it still can improve both lift-drag ratio and corrected aerodynamic efficiency. CFJ supersonic aircraft rudder shows great potential to substantially reduce the size and weight of control surfaces with high control authority.

关键词： Aerodynamic Configurations control Surfaces Mass flow Rate Reynolds Averaged Navier Stokes Aerodynamic Performance Mean Aerodynamic Chord flow Conditions Civil Transport Aircraft Navier Stokes Equations Aircraft control

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