查询词典 speed controller

Through stressing analysis for buoyage liquid metal level controller in the production of continuous casting and continuous rolling,the principle of automatic control is shown and the calculating formula of design of plane plate type controller in theory is achieved.

通过对连铸连轧生产中浮标式金属液面控制器的受力分析，揭示了其自动控制的原理，并给出平盘式控制器设计的理论计算公式。

LAN was composed of nodes controller based on CAN bus, and master controller could communicate with PC through serial interface. These formed an effective credible control system.

通过CAN总线将各个控制器节点组成局域网络并由总控制器通过串行接口实现与上位机的通信，构成了有效可靠的控制系统。

Self-tuning controller in practice the widespread use of its increasingly obvious shortcomings, mainly reflected in the change of Order, Variable Delay and change parameters in the system, developed with the robustness of the controller in actual application is very useful.

由于自校正控制器在实际中的广泛运用，其缺点日益明显，主要体现在变阶次、变时延和变参数的系统中，因此研制具有较强的鲁棒性的控制器在实际运用中非常有用。

To the various control circuit and the driving force circuit, the frequency conversion controller , servo controller , circuital various driving force connection test and the malfunction analysis handles our to can systematic all-round grasping.

对各种控制电路以及动力电路，变频控制器、伺服控制器、各种动力电路的连接调试以及故障的分析处理我都能全面系统的掌握。

By transforming the nonlinear saturation constraint into the special linear constraint, the problem of solving the feedback controller with saturated actuator is converted to the design of controller with linear constraint. The stochastic stability is ensured by using the intersection of ellipsoid invariant set of different modes existing in the attraction domain of the closed loop system. In this case, solving controllers can be equivalent to a solvability problem of linear matrix inequalities.

通过将非线性饱和约束转化为特殊的线性约束，使具有饱和执行器的控制器求解问题转化为线性约束控制器的求解问题，利用位于闭环系统吸引域内的不同模态下椭圆不变集的交集来保证系统的随机稳定性，此时控制器的求解可等效为线性矩阵不等式的可解性问题。

For a nonlinear course keeping system for ships, a kind of nonlinear robust PID is presented, which is based on an exact feedback linearization and a closed-loop gain shaping algorithm. The nonlinear PID controller is constituted of a nonlinear items with a robust PID controller.

针对非线性船舶航向保持系统，给出一种基于精确反馈线性化和闭环增益成形算法的非线性鲁棒PID控制器，该非线性PID控制器由非线性函数项和鲁棒PID控制器组成。

Another nonlinear robust PID controller is wholly based on closed-loop gain shaping algorithm, which includes a nonlinear switching component with a timer. The algorithms improve the robustness of the system and simplify the design of controller, the simulation results show that the course-keeping performance is improved well.

另外，还给出一种完全基于闭环增益成形算法的非线性鲁棒PID控制器，其包含了具有定时功能的开关元件，两种非线性PID控制器在提高系统鲁棒性能的基础上，简化了控制器设计，从仿真结果可以看出，航向保持效果良好。

The algorithm shapes the closed-loop gain without selecting weighting functions in H∞ control algorithm. Its core is to determine the final shape of the transfer function of the closed-loop system, the robust PID controller is directly constructed using parameters having engineering sense. The algorithm guarantees fundamentally that the designed controller has fine control performance and robustness.

该算法避免了常规H∞控制算法中权函数的选择而对系统进行闭环增益成形，其核心是确定闭环系统传递函数的最后希望的形状，用闭环系统具有工程意义的参数直接构造出鲁棒PID控制器，从根本上保证了设计出的控制器具有良好的鲁棒性和鲁棒稳定性。

The main controller compatible with DS87C550 and P87C552, implements the functions of system resource management and task schedule. The communicatory part, which expands the serial interfaces by TL16C554, implements the communication among the main controller, the remote communication terminal and the field devices. The interface part implements isolation between field devices and monitoring terminal with photoelectric coupling; Solar battery supplies power for the monitoring terminal.

主控部分兼容DS87C550和P87C552两种MCU，实现了系统资源的管理与任务调度；通讯部分采用TL16C554扩展了多个串口，实现了主控部分与远程通信终端及智能仪器之间的通信；接口部分采用光电耦合技术实现了现场设备与监控终端之间的电气隔离；采用太阳能供电技术为监控终端提供了电源。

In order to improve the characteristics of transient response,an initial value compensation method based on compensating the difference outputs between current controller and former controller is proposed and compensated math model and response for this system are given.

针对这些问题，设计了一种基于补偿控制器输出的初值补偿切换算法，并给出了加入初值补偿之后的系统数学模型和响应形式，以及该算法的具体实现。

My father is over 60 years old, and he lifts weights every day.

我爸爸六十多岁了，他每天都练习举重。

Then in a serious tone she declared:"It doesn't pay, dear boy, to look like a ninny with one's wife the first night."

两眼湿润了，她把身子蜷得很小，这样似乎可以更好地闻闻自己。