对机器人操纵的基于学习的动态模型的审查
Bo Ai1, Stephen Tian2, Haochen Shi2
1Department of Computer Science and Engineering, University of California San Diego, La Jolla, CA 92093, USA.
Science robotics
|September 17, 2025
概括
这篇评论探讨了机器人的学习动态模型,这些模型使用数据来预测物理相互作用. 这些模型增强了机器人控制和模拟,提高了复杂操纵任务的能力.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 机器学习 机器学习
- 物理模拟 物理模拟
背景情况:
- 准确的动态模型对于机器人规划和控制至关重要.
- 基于物理学的模型通常需要完整的状态信息,在现实世界的场景中很难获得.
- 学习动态模型通过从感知互动数据中学习提供了一个替代方案.
研究的目的:
- 为机器人学中学习动态模型提供当前技术的全面审查.
- 为了突出设计这些模型的权衡.
- 确定研究缺口和未来方向.
主要方法:
- 关于机器人学习动态模型的现有文献的审查.
- 分析状态表示技术及其对诱导偏见的影响.
- 讨论与状态估计和控制的整合.
主要成果:
- 学习动力学模型捕捉复杂的因素,预测的不确定性,并加快模拟.
- 机器人能力的进步,用于操纵可变形物体,颗粒材料和多物体相互作用.
- 国家代表的选择对于减少顺序建模至关重要.
结论:
- 学习动力学模型正在推进机器人操纵能力.
- 与状态估计和控制的整合是实际应用的关键.
- 需要进一步的研究来解决该领域的关键差距.
相关概念视频
Simplification of a Force and Couple System: II
584
In a three-dimensional system, multiple forces can act on an object. These forces can be combined into a single equivalent force, known as the resultant force. Similarly, the moments generated by these forces can be combined into a single equivalent moment, the resultant couple moment. In certain situations, these two entities may not be mutually perpendicular, meaning they do not have a 90-degree angle between them. This unique condition requires a deeper understanding of the interplay between...
584
Linear Approximation in Time Domain
347
Nonlinear systems often require sophisticated approaches for accurate modeling and analysis, with state-space representation being particularly effective. This method is especially useful for systems where variables and parameters vary with time or operating conditions, such as in a simple pendulum or a translational mechanical system with nonlinear springs.
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
For a simple pendulum with a mass evenly distributed along its length and the center of mass located at half the pendulum's length,...
347
Electro-mechanical Systems
1.6K
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...
1.6K
Mechanical Systems
586
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...
586
Three-Dimensional Force System:Problem Solving
1.3K
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...
1.3K
Second Order systems I
569
A servo system exemplifies a second-order system, featuring a proportional controller and load elements that ensure the output position aligns with the input position. The relationship between these components is described by a second-order differential equation. Applying the Laplace transform under zero initial conditions yields the transfer function, showing how inputs are converted to outputs in the system.
By reinterpreting the system, one can derive the closed-loop transfer function, which...
By reinterpreting the system, one can derive the closed-loop transfer function, which...
569


