绳索在绳索上:降低绳索固定系统和绳索驱动立面操作机器人的残余振动
Kangyub Lee1, Sahoon Ahn1, Jeongmo Yang1
1Mechanical Engineering, Hanyang University, 222, Wangsimni-ro, Seoul 04763, Republic of Korea.
Sensors (Basel, Switzerland)
|April 26, 2025
概括
这项研究使用输入成型和干扰观察器减少了建筑清洁机器人的残留振动. 这提高了机器人立面维护系统的稳定性和安全性.
科学领域:
- 机器人技术 机器人技术 机器人技术
- 控制系统工程 控制系统工程
- 机械工程 机械工程
背景情况:
- 建筑物立面的维护,特别是摩天大楼,对于手工工人来说至关重要但危险.
- 机器人解决方案,如双升降机器人 (DAR) 和骑绳移动 (RMA) 正在开发,以实现更安全的立面清洁.
- 连接DAR和RMA的绳上绳 (ROR) 系统可以传输振动,增加DAR运行期间的不稳定性.
研究的目的:
- 为了减少双升机器人 (DAR) 的残余振动.
- 为了提高绳索驱动的机器人立面维护系统的整体稳定性.
- 为了提高自动化建筑外部维护的安全性和效率.
主要方法:
- 模拟绳上绳 (ROR) 系统作为一个简化的串行弹阻尼器系统.
- 分析下调的,绳索驱动的DAR系统的动力学和动力学.
- 应用输入成形控制技术以减轻残余振动.
- 实现一个干扰观察器来解决系统不确定性,如绳索变形和外部力.
主要成果:
- 在双升机器人 (DAR) 中成功降低了残留振动.
- 证明了输入塑造器和干扰观察者控制策略的有效性.
- 通过实验测试验证了拟议的控制方法.
结论:
- 开发的控制策略显著减少了DAR系统中的残留振动.
- 这一进步有助于为建筑立面维护提供更稳定,更可靠的机器人解决方案.
- 这些发现为更安全,更有效的自动化建筑外部维护铺平了道路.
相关概念视频
Stability of structures
147
In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
147
Frames: Problem Solving I
364
Consider a jib crane with an external load suspended from the pulley. The dimensions of the crane members are shown in the figure. A systematic analysis of the frame structure is required to determine the reaction forces at the pin joints, assuming that the pulleys are frictionless.
364
Stresses in a Shaft
322
The shaft PQ is subjected to a twisting force when equal and opposite torques are applied on either side. A section that cuts perpendicular to the shaft's axis at any arbitrary point R is examined to understand this. When the free-body diagram of the QR segment is analyzed, it reveals the shearing forces exerted by the PR portion onto the QR segment as the shaft experiences twisting.
Applying equilibrium conditions to the QR segment establishes that the internal shearing forces within the...
Applying equilibrium conditions to the QR segment establishes that the internal shearing forces within the...
322
Stress Concentrations in Circular Shafts
150
Consider the elastic torsion formula, which applies to a circular shaft with a consistent cross-section. This formula assumes that the shaft's ends are loaded with rigid plates firmly attached. However, in many cases, torques are applied to the shaft through mechanisms like flange couplings or gears, which are connected by keys inserted into keyways. This application method modifies the stress distribution near the point of torque application, causing it to deviate from the distributions...
150
Mechanical Systems
153
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...
153
Applications of Stress
226
Consider a structure made of a boom and a rod designed to support a load. These two components are connected by a pin and stabilized by brackets and pins. The boom and the rod are detached from their supports to assess the different stresses imposed on this structure, and a free-body diagram is drawn. Then, all the forces applied, including the load acting on the structure, are identified. The reaction forces exerted on both the boom and the rod are computed using the equilibrium equations.
The...
The...
226


