相关实验视频
Updated: Jul 21, 2025

10:41
Method to Measure Tone of Axial and Proximal Muscle
Published on: December 14, 2011
17.6K
基于攻击反角度的机器人海豚平台的扭矩控制策略
Tianzhu Wang1,2, Junzhi Yu1,3, Di Chen3
1State Key Laboratory of Management and Control for Complex Systems, Institute of Automation, Chinese Academy of Sciences, Beijing 100190, China.
Biomimetics (Basel, Switzerland)
|July 28, 2023
概括
这项研究引入了对生物海豚的新型控制方案,使用攻击角度 (AoA) 反来增强高速游泳. 该系统改进了尾部关节运动控制,以提高机器人水上车辆的推进效率.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 生物模拟学是一种生物模拟学.
- 流体动力学 流体动力学
背景情况:
- 生物鱼通过感知水流并调整尾攻击角度 (AoA) 来优化游泳效率.
- 这种生物机制涉及到尾部肌肉的控制,改变尾部刚度以获得最佳的推进.
- 保持最佳的AoA对于水生环境中有效的运动和增强的推进至关重要.
研究的目的:
- 提出基于AoA反的尾部关节运动控制方案,用于生物海豚的高速游泳.
- 为了解决高频运动期间尾部和腰部关节运动协调的限制.
- 为了提高机器人海豚的整体运动性能和推进效率.
主要方法:
- 对设计的机器人海豚的动力学特征和硬件的分析.
- 开发一个对摩擦和乳皮肤修复力的补偿模型.
- 实现基于模糊推理的关节角度控制算法,用于尾部关节扭矩模式控制.
- 一个闭环尾关节控制方案的设计,利用AoA反.
主要成果:
- 拟议的模糊推断算法在扭矩模式下有效地跟踪所需的关节角度.
- 该AoA反控制方案明显改善了生物海豚的运动性能.
- 实验验证证证实了开发的运动控制策略的有效性.
结论:
- 在AoA反控制方案是有效的提高生物海豚的高速游泳能力.
- 该研究成功地解决了协调机器人鱼关节的挑战,以提高效率.
- 这项研究有助于生物模拟机器人和水下推进系统的进步.
相关概念视频
Feedback control systems
347
Feedback control systems are categorized in various ways based on their design, analysis, and signal types.
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
Linear feedback systems are theoretical models that simplify analysis and design. These systems operate under the principle that their output is directly proportional to their input within certain ranges. For instance, an amplifier in a control system behaves linearly as long as the input signal remains within a specific range. However, most physical systems exhibit inherent nonlinearity...
347
Open and closed-loop control systems
814
Control systems are foundational elements in automation and engineering. They are broadly categorized into open-loop and closed-loop systems. These classifications hinge on the presence or absence of feedback mechanisms, significantly influencing the system's performance, complexity, and application.
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
An open-loop control system operates without feedback from the output. It consists of two primary elements: the controller and the controlled process. The controller receives an input signal...
814
Controller Configurations
121
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
121
Three-Dimensional Force System:Problem Solving
693
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
693
Time-Domain Interpretation of PD Control
141
Proportional-Derivative (PD) control is a widely used control method in various engineering systems to enhance stability and performance. In a system with only proportional control, common issues include high maximum overshoot and oscillation, observed in both the error signal and its rate of change. This behavior can be divided into three distinct phases: initial overshoot, subsequent undershoot, and gradual stabilization.
Consider the example of control of motor torque. Initially, a positive...
Consider the example of control of motor torque. Initially, a positive...
141
One-Degree-of-Freedom System
517
In mechanical engineering, one-degree-of-freedom systems form the basis of a wide range of electrical and mechanical components. Using these models, engineers can predict the behavior of various parts in a larger system, which gives them insight into how different forces interact with each other.
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
A one-degree-of-freedom system is defined by an independent variable that determines its state and behavior. One example of a one-degree-of-freedom system is a simple harmonic oscillator, such as a...
517

