通过强化学习在Poiseuille流中的微游泳器的智能导航
Priyam Chakraborty1,2, Rahul Roy1, Shubhadeep Mandal3
1Department of Mechanical Engineering, Indian Institute of Science, Bengaluru, 560012, India.
The European physical journal. E, Soft matter
|June 12, 2025
概括
现在可以使用强化学习 (RL) 精确控制人工微游泳器,以向药物输送. 这种人工智能方法可以在复杂的流程中进行导航,从而促进了医疗微机器人的开发.
科学领域:
- 机器人和人工智能 机器人和人工智能
- 生物医学工程 生物医学工程
- 流体动力学 流体动力学
背景情况:
- 人工微游泳器,或活性合物,显示有希望的向药物输送.
- 在强加的流量条件下控制微游泳运动是一个重大挑战.
研究的目的:
- 实施强化学习 (RL) 来控制微游泳者在平面Poiseuille流中的导航.
- 探索RL在使用微游泳器的向药物输送中的应用.
主要方法:
- 利用强化学习 (RL) 算法来训练微游泳者.
- 在平面Poiseuille流中模拟微游泳者的行为.
- 根据流量条件调整了微游泳器参数,如自动推进强度和力.
主要成果:
- 基于RL的方法使得微游泳者能够有效地获取目标.
- 实现了对微游泳者的路径的精确控制.
- 即使在高批量流量中的具有挑战性的上游运动场景中,也证明了可靠的准.
结论:
- 强化学习提供了一种强大的方法来控制复杂的流体环境中的人工微游泳器.
- 这项技术推动了智能体内医疗微机器人的开发,用于诸如向药物输送等应用.
相关概念视频
Hydraulic Jump: Problem Solving
348
To analyze a hydraulic jump in a rectangular channel with a flow speed of 6 meters per second, follow these steps:Calculate Effective Upstream Velocity:When the downstream gate closes, a hydraulic jump forms, traveling upstream at 2 meters per second. This wave speed combines with the initial channel flow velocity, creating an effective upstream velocity.Identify Flow Velocities Before and After the Hydraulic Jump:Upstream of the hydraulic jump, the effective flow velocity includes both the...
348
Uniform Depth Channel Flow: Problem Solving
333
To calculate the flow rate for a trapezoidal channel, first, identify the bottom width, side slope, and flow depth of the channel. The cross-sectional area (A) corresponding to the depth of flow (y), channel bottom width (B), and side slope (θ) is determined by:Next, calculate the wetted perimeter, which includes the bottom width and the sloped side lengths in contact with the water. Using the values of the cross-sectional area and the wetted perimeter, determine the hydraulic radius by...
333
Laminar Flow: Problem Solving
395
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...
395
Turbulent Flow: Problem Solving
310
Carbonation is a process used to dissolve carbon dioxide gas in a liquid, commonly used in the production of carbonated beverages. Achieving efficient carbonation requires careful control of temperature, pressure, and flow conditions. By adjusting these parameters, carbonation efficiency can be maximized, producing a higher concentration of CO2 in the liquid.
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures enhance...
Temperature is a key factor in CO2 solubility. In this case, the CO2 gas and the liquid are cooled to 20°C. Lower temperatures enhance...
310
Newtonian Fluid: Problem Solving
722
Newtonian fluids exhibit a constant viscosity, meaning their shear stress and shear strain rate are directly proportional. This property ensures a predictable and stable response to applied forces, maintaining a linear relationship between force and flow. Examples include water, air, and light oils, consistently demonstrating this proportional behavior regardless of external conditions.
A velocity gradient forms within the fluid when a Newtonian fluid is placed between two parallel plates, with...
A velocity gradient forms within the fluid when a Newtonian fluid is placed between two parallel plates, with...
722
Buoyancy and Stability for Submerged and Floating Bodies
2.4K
In fluid mechanics, buoyancy and stability are key concepts for understanding the behavior of submerged and floating bodies. When a stationary body is fully or partially submerged in a fluid, the fluid exerts a force on the body known as the buoyant force. This force acts vertically upward through a point called the center of buoyancy, which is the center of the displaced fluid volume. According to Archimedes' principle, the magnitude of the buoyant force is equal to the weight of the fluid...
2.4K


