一个高效的闭环自适应控制器,用于一个小尺寸的四重机器人老鼠
Xiaolong Quan1,2, Rongjie Du1,2, Ruochao Wang1,2
1Intelligent Robotics Institute, School of Mechatronical Engineering, Beijing Institute of Technology, Beijing 100081, China.
Cyborg and bionic systems (Washington, D.C.)
|May 12, 2025
概括
研究人员为小型四足机器人开发了一种高效的自适应控制器,从而实现了强大的自主导航. 这项创新提高了SQuRo等机器人的环境适应性,克服了有效载荷的限制.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统 控制系统
- 人工智能的人工智能
背景情况:
- 大型四足机器人擅长地形适应,但应用有限.
- 小规模的四足机器人面临着有效载荷的限制,限制了机载传感和计算.
- 这限制了它们适应多样化和充满挑战的环境的能力.
研究的目的:
- 为小型四足机器人开发一个高效的闭环自适应控制器.
- 通过克服有效载荷限制,提高小型机器人的环境适应能力.
- 在具有挑战性的地形上实现自主任务执行.
主要方法:
- 提出了一种简化的姿势估计和控制策略,仅使用惯性测量单元 (IMU) 传感器.
- 将控制系统集成到一个名为SQuRo.Ro的小型四足机器人中.
- 进行实验以评估SQuRo的环境适应能力.
主要成果:
- 在六种不同的运动类型中,SQuRo表现出了强大的性能.
- 实现了斜坡稳定,线性跟踪和自主摔倒恢复.
- 成功地在不平坦的地形,斜坡上航行,并避免障碍物.
结论:
- 开发的控制器显著降低了计算负载,从而提高了适应性.
- 小规模的四足机器人现在可以在充满挑战的环境中自主执行复杂的任务.
- 这项研究为部署敏捷,智能小机器人的新可能性打开了大门.
相关概念视频
Open and closed-loop control systems
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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 and...
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 and...
Feedback control systems
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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...
Controller Configurations
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.
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PD Controller: Design
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,...
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PI Controller: Design
Proportional Integral (PI) controllers are a fundamental component in modern control systems, widely used to enhance performance and mitigate steady-state errors. They are particularly effective in applications such as automatic brightness adjustment on smartphones, where they excel at mitigating steady-state errors for step-function inputs. Unlike PD controllers, which require time-varying errors to function optimally, PI controllers leverage their integral component to address residual...
PID Controller
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...


