用于坐姿姿势控制的气动驱动主动平衡板的设计和评估
Erkan Kaplanoglu1, Max Jordon2, Jeremy Bruce3
1College of Engineering and Computer Science, University of Tennessee at Chattanooga, Chattanooga, TN 37403, USA.
Sensors (Basel, Switzerland)
|December 11, 2025
概括
这项研究引入了一种使用气动肌肉挑战坐着姿势控制的新型活跃平衡板. 它有效地增强了运动适应和肌肉激活,为慢性腰痛康复提供了一个新的工具.
科学领域:
- 康复工程 康复工程
- 生物力学 生物力学
- 神经科学是一个神经科学.
背景情况:
- 慢性腰部疼痛 (cLBP) 损害了运动控制,并可能导致阿片类药物依赖.
- 传统的康复治疗往往忽视了对外部挑战的适应性运动反应.
- 现有的方法无法充分评估或重新训练动态姿势控制.
研究的目的:
- 设计和评估一台气动主动平衡板,用于评估坐着的姿势控制.
- 研究系统使用受控的外部干扰来诱导适应性运动反应的能力.
- 为了比较主动板与被动系统在增强姿势控制方面的有效性.
主要方法:
- 开发一个平衡板,集成气动人工肌肉 (PAM),电肌图 (EMG) 和惯性测量单元 (IMU).
- 15名健康参与者在被动板和主动板上执行平衡任务的实验试验.
- 信号处理技术包括RMS,FFT,AR建模和Welch t-test用于数据分析.
主要成果:
- 与被动平衡板相比,主动平衡板成功诱导了自适应电机反应和更高的EMG激活.
- 频域分析显示了肌肉激活模式的显著差异.
- 结果支持这样一个假设,即外部干扰可以改善姿势控制的再训练.
结论:
- 气动动作的平衡板是评估和潜在地重新训练姿势控制的新方法.
- 这项技术解决了cLBP传统康复方法的局限性.
- 未来的临床试验是有必要的,以评估cLBP患者的疗效.
相关概念视频
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.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller aligns...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller aligns...
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,...
Designing a continuous-data controller requires selecting and linking components like adders and integrators, which are fundamental in Proportional,...
Control of Power Flow
There are several methods to control power flow in power systems:
Turbine-Governor Control
Turbine-governor control is crucial for maintaining power system stability by balancing turbine mechanical power output with electrical load demand. This mechanism ensures that generator frequency and rotor speed are within acceptable limits during load variations. Turbine-generator units store kinetic energy due to their rotating masses; this energy is released to meet the load requirement when the load increases. The electrical torque of turbines rises to meet the demand, whereas the...
Load-frequency control
Load-frequency control (LFC) is vital for maintaining power system stability, ensuring that frequency and power flows remain within acceptable limits during load changes. Turbine-governor control eliminates rotor accelerations and decelerations following load changes. However, a steady-state frequency error persists when the change in the turbine-governor reference setting is zero. In an interconnected power system, each area agrees to export or import a scheduled amount of power through...
Bioreactor Controls-I
Maintaining optimal conditions within fermenters is essential for maximizing microbial productivity and ensuring process efficiency. This lesson focuses on key parameters—temperature, foam, pH, carbon dioxide, oxygen, and pressure—and their precise measurement and control strategies in fermentation systems.Temperature ControlTemperature regulation is critical due to the exothermic nature of many fermentation processes. In small laboratory fermenters, temperature is commonly monitored using...


