具有先验未知引用的MIMO非线性系统的输出受约束的规定的性能控制
IEEE transactions on cybernetics
|September 19, 2025
概括
一个新的强大的脱规定的性能控制 (PPC) 策略解决了具有未知的动态和输出约束的非线性系统. 这个控制器实现了精确的跟踪,不需要参数识别或干扰估计.
科学领域:
- 机器人和控制系统 机器人和控制系统
- 非线性系统动态 非线性系统动态
- 适应性控制理论 适应性控制理论
背景情况:
- 规定的性能控制 (PPC) 对非线性系统至关重要.
- 现有的方法与未知的动力学和提前参考信号作斗争.
- 输出约束在控制系统设计中带来了重大挑战.
研究的目的:
- 为多输入多输出区块三角非线性系统制定强大的PPC脱战略.
- 处理具有未知动态,未知引用和输出约束的系统.
- 为了确保系统输出在指定的性能限制内跟踪引用.
主要方法:
- 引入了一种新的强大的PPC脱战略.
- 设计了一个在线边界生成方案.
- 整合了一个平滑的约束切换规则.
- 控制器的设计是独立于函数近似,参数识别或干扰估计.
主要成果:
- 开发的控制器保证系统输出保持在约束波段内.
- 通过预先确定的超标,结算时间和准确性来实现准确的参考追踪.
- 这种方法在2-DOF串行灵活链路机器人上证明了有效性和优越性.
结论:
- 拟议的强有力的脱PPC战略有效地管理具有未知的动态和输出约束的非线性系统.
- 控制器为具有挑战性的控制问题提供了低复杂度,高性能解决方案.
- 这种方法克服了现有方法的局限性,因为不需要参数识别或干扰估计.
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