从形态功能共同设计的软多态机器人中体现控制
Juan C Osorio1, Jhonatan S Rincon1, Harith Morgan1
1School of Mechanical Engineering, Purdue University, West Lafayette, IN, 47907, USA.
Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|July 30, 2025
概括
研究人员开发了一种通过共同设计软机器人的形状和任务来控制软机器人的新方法. 这种方法简化了灵活机器人的控制,使它们能够适应并通过编程动态执行复杂的操作.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 材料科学 材料科学 材料科学
- 控制系统 控制系统
背景情况:
- 软机器人提供了独特的灵活性和适应能力,可以完成对硬机器人来说具有挑战性的任务.
- 控制软机器人是复杂的,因为非线性材料属性和无限的自由度.
研究的目的:
- 提出一种策略,用于在气动驱动软机器人中共同设计任务和形态.
- 为了实现编程动态和多个稳定的状态,以增强机器人的行为.
- 通过整合机械智能来简化软机器人控制.
主要方法:
- 将无限维的配置空间分成具有编程动态的功能模式.
- 开发一种基于能源的分析模型,以捕捉软机器人的反应.
- 使用递归特征消除来获得模型参数.
- 共同设计机器人形态 (刚性) 和任务 (动力学,时间响应) 使用一次性参数模型.
主要成果:
- 证明了对特定动态的形态和任务的反向联合设计.
- 创造了能够对物体大小和重量进行分类的软机器人.
- 通过最小的反控制实现了可适应的机动.
- 通过优化刚度和时间响应来探索配置空间.
结论:
- 拟议的战略通过利用多稳定结构来简化软机器人控制.
- 将机械智能体现为软材料是一种可行的方法,可以实现先进的机器人能力.
- 这一框架有助于设计可适应和智能软机器人系统.
相关概念视频
Hierarchy of Motor Control
3.6K
The hierarchy of motor control refers to the different levels of organization and processing involved in controlling movement in the body. These levels range from higher cortical areas involved in planning and decision-making to lower spinal cord reflexes that respond automatically to external stimuli.
3.6K
PD Controller: Design
353
In automotive engineering, car suspension systems often employ Proportional Derivative (PD) controllers to enhance performance. PD controllers are utilized to adjust the damping force in response to road conditions. A controller, acting as an amplifier with a constant gain, demonstrates proportional control, with output directly mirroring input.
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
353
Open and closed-loop control systems
1000
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...
1000
Mechanical Systems
291
Mechanical systems are analogous to to electrical networks where springs and masses play similar roles to inductors and capacitors, respectively. A viscous damper in mechanical systems functions similarly to a resistor in electrical networks, dissipating energy. The forces acting on a mass in such systems include an applied force in the direction of motion, counteracted by forces from the spring, a viscous damper, and the mass's acceleration. This interplay of forces is mathematically...
291
Feedback control systems
429
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...
429
Electro-mechanical Systems
1.2K
Electromechanical systems are intricate configurations that effectively combine electrical and mechanical elements to achieve a desired outcome. Central to many of these systems is the DC motor, a device that converts electrical energy into mechanical motion, enabling various applications ranging from simple fans to complex robotic mechanisms.
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
A key component of the DC motor is the armature, a rotating circuit positioned within a magnetic field. As an electric current passes through the...
1.2K


