In control area there are many difficulties in controller design and nonlinear and unstable system modeling .

在控制领域，非线性 不 稳定 系统的建模和控制器设计问题一直存在许多难点。

A Study on the Effects of Chassis Integrated Control-based Driver-vehicle Closed-loop System on Improving Vehicle Handling and Lane Tracking Performance In this work we consider how to merge an unstable system and a compensator into a stable interconnected system .

基于底盘集成控制的人-车闭环系统对提高车辆操纵稳定性和路径跟踪能力的效果研究针对 不稳定之线性系统，本文探讨如何将之与补偿器连结，成为 稳定的闭回路 系统。

Ball and beam system is usually used to test the effect of control strategy because it is a typical nonlinear and unstable system .

球杆系统通常用来检验控制策略的效果，它是典型的非线性 不 稳定 系统。

Design of PID controller based on chaos optimization in unstable system

基于混沌优化的PID控制器在 不 稳定 系统中的设计

The suspension system of the low-speed maglev train is a typical non-linear open-loop unstable system and research on filtering and noise-reducing algorithms is a key technology in suspension control because of the complicacy of the electromagnetic environment and the uncertainties of the operational state parameters .

低速磁浮列车的悬浮系统是一个典型的非线性开环 不 稳定 系统，由于电磁环境的复杂性和运行状态参数的不确定性，滤波降噪算法一直是悬浮控制的技术难点。

In the machinery control system the unstable system control question is the recognition control difficulty because the unstable control system has the certain risk often brought to the research has not slightly troubled .

在机械控制系统中， 不 稳定 系统的控制问题是公认的控制难点，由于不稳定控制系统具有一定的危险性，常给研究带来了不小麻烦。

A stall regulated variable speed wind turbine is nonlinear and unstable system above rated wind speed . The tracking control implementation will be segmented so that the research of its dynamic characteristics and control strategies will be helpful to the stability and reliability of the system .

失速调节变转速风力机是非线性而且在额定风速以上 不 稳定 的 系统，风力机的跟踪控制又是分段实现的，研究其动态特性和控制策略对风力机的稳定性和可靠性尤其重要。

Research on MPC Method for Statically Unstable System

一类静 不 稳定 系统的预测控制方法研究

The study of this kind of problem can be treated as the study of multivariable nonlinear under-actuated and absolutely unstable system .

倒立摆 系统是一种典型的非线性欠驱动复杂难控 系统，对倒立摆的研究可归结为对非线性多变量、欠驱动、绝对 不 稳定 系统的研究。

Too big to fail is an unstable system .

“大到不能倒”是一种 不 稳定 的 制度。

In the field of control the modeling and control design of nonlinear unstable system need to overcome the many difficult issues so it is necessary to study in the laboratory first .

在控制领域中，非线性 不 稳定 系统的建模和控制器的设计有许多需要克服的难点问题，有必要首先在实验室中研究。

Such assumptions sometimes may result in narrow frequency band large time delay and unstable system .

这样得到的控制系统频带较窄、时滞大，还有可能出现控制 系统 不 稳定。

This not only created an unstable system that ultimately had to be rescued by taxpayers ; it also caused long - term economic damage by diverting talent and funding away from research-intensive sectors .

这不仅催生出一套 不 稳定 的 体系、最终要由纳税人出手救援，还对经济造成了长期破坏，因为它分流走了研究密集型行业的人才和资金。

Ball and beam system is a typical nonlinear and unstable system ; it is widely used in Automatic Control Theory teaching and experimental study . It is very important for designing new control method and verifying its rapidity and stability and accuracy .

球杆系统是一个典型的非线性开环 不 稳定 系统，广泛用于自动控制原理的教学和实验研究，对设计新的控制方法，验证控制方法的稳定性、快速性、精确性有重要的意义。

But most of the unstable system is very dangerous and therefore become the main obstacles in laboratory research .

但是绝大多数的 不 稳定 系统都是非常危险的，因此成了实验研究的主要障碍。

This system is a highly nonlinear and open-loop unstable system .

这一系统是一高度非线性且开环 不 稳定 系统。

The Dissolved Oxygen ( DO ) control system for rice wine fermentation is an unstable system with multi-disturbance time-varying and nonlinearity .

黄酒发酵溶氧控制系统是一个多干扰的、时变的、非线性的 不 稳定 系统。

In this work we consider how to merge an unstable system and a compensator into a stable interconnected system .

针对 不稳定之线性系统，本文探讨如何将之与补偿器连结，成为 稳定的闭回路 系统。

However the deficiencies of slow mechanical scanning and unstable system exist .

同时，也存在机械扫描速度慢和 系统 不 稳定等不足。

Ball-beam system is an experimental apparatus which is simple safe and nonlinear unstable system with an important dynamic characteristic .

球杆系统是一种简单、安全并且具备了非线性 不 稳定 系统所具有的重要动态特性的实验仪器。

As a result a complex and unstable system veered dangerously out of control .

于是，一个复杂且 不 稳定 的 体系便危险地转向失控。