考虑一类具有三角形结构和参数未知的不确定性非线性系统(1)。
A class of uncertain nonlinear systems (1) with a triangular structure and unknown parameters is considered.
模糊逻辑控制用来估计系统未知的不确定性因素，并同时保证了闭环系统在变结构控制到达阶段的鲁棒性。
The frizzy logic control is used to estimate the unknown uncertainties, and guarantees the robustness of the closed-loop system in the reaching phase synchronously.
以下是对不确定性的理性回应：之所以不采取任何行动旨在保护自己免遭未知的危险，也是为了争取时间来进行相关的了解。
That is a rational response to uncertainty: one freezes both to protect oneself against unknown dangers and to gain time for learning more about them.
如今我们有了新的不确定性，关于当下的已知未知数在我的脑海里列了一张快速名单。
Today we have new uncertainties. I made a quick list of current known unknowns in my own mind.
在预测行业里面，“已知的未知数”被称作不确定性。
In the forecasting business, "known unknowns" are called uncertainties.
主观的不确定性则关于“未知的未知方面”。
客观的不确定性关乎唐纳德·拉姆斯菲尔德(在另一种语境中)提及的“已知的未知方面”。
Objective uncertainty is about what Donald Rumsfeld (in a different context) referred to as the "known unknowns".
系统包含状态时滞、控制输入时滞、参数不确定性和未知的非线性扰动。
The system under consideration involves state time delay, control input time delay, parameter uncertainties and unknown nonlinear disturbances.
针对具有参数不确定性和外部未知扰动的不确定系统，基于灵敏度函数，提出了一种二自由度控制结构。
For uncertain systems with parameter uncertainty and unknown disturbance, a two-degree-of-freedom control structure was proposed based on sensitivity function.
该文设计了全维非线性未知输入观测器，实现检测滤波器对于被控对象模型误差和系统不确定性因素的干扰解耦。
This paper realizes disturbance de-coupled with model error and system uncertainty by using a combination of full-order nonlinear unknown input observer and fault detection filter.
用自适应过程减小参数不确定性的影响，并通过动态滑模控制器的高鲁棒性抑制机器人模型中的未知非线性动力学及测量噪声等的影响。
The adaptive process extenuates the influence of parameter uncertainty, and the robustness of the dynamic sliding mode control inhibits the influence of unknown dynamics and measurement noise.
将状态矩阵和控制输入矩阵中同时含有未知、有界不确定性的一类切换系统转化为动态区间系统。
The class of switched systems, unknown-but-bounded parameters contained in both stated matrix and input matrix, are transformed into dynamic interval systems.
在大部分的实际工程优化问题中，产品质量特性与不确定性因素的关系是未知的或复杂的。
For most practical engineering optimal problems, the relationships between quality characteristics and uncertain factors are unknown or complicated.
由于自主水下航行器建模误差、流体动力学参数的不确定性和未知海流干扰，控制系统必须具有对不确定参数的自适应能力。
The control system must be adaptive to the uncertain parameters to overcome the modeling error, uncertainty of the hydrodynamic parameters and unknown ware disturbances.
这主要是由电液伺服系统的典型未知不确定性和非线性特性所决定的，使得系统精确的数学模型难以获得。
That is decided mainly by the typical unknown and uncertain nonlinear system of electro-hydraulic servo system, which gains precise maths model of system difficultly.
工程设计是在存在大量不确定性和某些未知因素的情况下进行的。
The engineering design is usually undertaken with a great deal of uncertainties and unknown factors.
与结构参数的不确定性和未知非线性干扰的鲁棒容错控制一类非线性切换系统的问题进行了研究。
The problem of robust fault-tolerant control for a class of switched nonlinear systems with structural parameters uncertainty and unknown nonlinear disturbance is studied.
假设的不确定性和外部干扰的上界是未知的。
The upper bounds of the uncertainties and external disturbances are assumed to be unknown.
假设的不确定性和外部干扰的上界是未知的。
The upper bounds of the uncertainties and external disturbances are assumed to be unknown.
应用推荐