改进了动态事件触发的强有力的控制灵活的机器人手臂系统与半马尔科夫跳跃过程
Huiyan Zhang1,2, Zixian Chen3, Wengang Ao1
1National Research Base of Intelligent Manufacturing Service, Chongqing Technology and Business University, Chongqing 400067, China.
Sensors (Basel, Switzerland)
|July 8, 2023
概括
这项研究设计了灵活机器人手臂的强大控制器,结合了动态事件触发器,以确保稳定性,尽管惯性变化和网络攻击. 该控制器提高了专门机器人的安全性,例如手术和辅助生活系统.
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
- 随机系统 随机系统 随机系统
背景情况:
- 灵活的机器人手臂需要强大的控制来保持稳定性,特别是在变化的惯性时.
- 专门的机器人 (手术,辅助生活) 具有严格的轻量化需求,并在动态环境中运行.
- 网络控制系统面临带宽限制和DoS攻击等安全威胁.
研究的目的:
- 为灵活的机器人手臂系统设计一个动态事件触发的强大控制器.
- 使用连续时间阶段类型的半马尔科夫跳跃过程来建模系统的不确定性.
- 为了在变化的惯性,网络约束和DoS攻击下确保安全和稳定的控制.
主要方法:
- 一个半马科夫链模拟系统的动态行为.
- 一个动态事件触发的方案解决了网络带宽限制和DoS攻击.
- 利亚普诺夫函数方法推导出了弹性H∞控制器存在的标准.
主要成果:
- 控制器增益,利亚普诺夫参数和事件触发参数的共同设计.
- 为弹性H∞控制器建立了适当的标准.
- 通过使用 MATLAB 的 LMI 工具箱进行数值模拟来验证控制器的有效性.
结论:
- 提出的动态事件触发的强大控制器有效地提高了灵活机器人手臂的稳定性和安全性.
- 该方法解决了关键挑战,包括变化的惯性和网络漏洞.
- 这项研究有助于更安全,更可靠地运行专门的机器人系统.
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