可分离的肌驱动机器人操纵器具有长,灵活,被动的近道截面.
Christian DeBuys1, Florin C Ghesu2, Jagadeesan Jayender3
1Texas A&M University, Mechanical Engineering, College Station, TX, USA.
概括
这项研究介绍了一种可分离的肌驱动机器人操纵器 (TDRM),用于医疗用途,解决了诸如杀菌和控制等挑战. 新的补偿方法显著减少了灵活机器人手臂的远端端误差.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 医疗器械 医疗器械
- 机械工程 机械工程
背景情况:
- 肌驱动的机器人操纵器 (TDRM) 在医学中提供了最小的侵入性优势.
- 现有的TDRM面临诸多挑战,包括灭菌,复杂控制,歇斯底里和近端切割效应.
- 这些问题限制了TDRM的实际应用和可重复使用性.
研究的目的:
- 解决在医疗环境中使用长,灵活的近端切口的TDRM应用的实际挑战.
- 开发一个可分离的TDRM设计,以提高杀菌性和可重复使用性.
- 创建和评估先进的控制和补偿策略,以提高操纵器的准确性.
主要方法:
- 引入可分离的TDRM设计,具有可重复使用的电子元件和一次性部分.
- 开发一个开放循环冗余控制器来管理动力冗余.
- 基于设备物理学的线性歇斯底里和再张力补偿技术的实施.
主要成果:
- 可分离的设计可以更轻松地启动和消毒.
- 开发的控制器有效地解决了运动冗余.
- 补偿方法在各种静态和动态近接截面配置中减少了远端端误差.
- 评估表明,在模拟医疗场景的测试台上,准确性有所提高.
结论:
- 可分离的TDRM设计和先进的控制策略有效地减轻了实际挑战.
- 拟议的补偿方法提高了灵活的机器人操纵器的精度.
- 这项工作促进了TDRM在医疗应用中的可用性和性能.
相关概念视频
Motor Units
A motor unit consists of two main components: a single efferent motor neuron (i.e., a neuron that carries impulses away from the central nervous system) and all of the muscle fibers it innervates. The motor neuron may innervate multiple muscle fibers, which are single cells, but only one motor neuron innervates a single muscle fiber.
One-Degree-of-Freedom System
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...
Motor Units
The motor unit is a fundamental component of the neuromuscular system and plays a crucial role in coordinating muscle contractions. It consists of a somatic motor neuron, which connects and controls multiple skeletal muscle fibers, forming a single functional segment. The axon of the motor neuron branches out and establishes synaptic connections known as neuromuscular junctions with individual muscle fibers within the motor unit.
Motor units come in different sizes, with smaller units...
Motor units come in different sizes, with smaller units...
Direct Motor Pathways
The direct motor pathways, also known as the pyramidal tracts, are a group of neural pathways that originate in the brain and descend through the spinal cord. They control the voluntary movement of the body. There are two major direct motor pathways: the corticospinal and the corticobulbar tracts.
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and the...
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and the...
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...


