控制信号

In the experiments, the accelerometer and the microphone are used respectively to measure the acceleration on the panel and the sound pressure in the cavity. Piezoelectric ceramics Transducer is used as the control source to control reverberant sound field transmission through a simply supported rectangular aluminium panel into a concrete cavity.

实验中采用加速度计和话筒作为传感器拾取板振动的加速度和闭空间内的声压信号，用压电陶瓷片作为振动控制源来控制混响声场通过简支矩形铝板向混凝土闭空间的声传入。

Inheriting the advantage of this algorithm, the adaptive control algorithm and the switching control algorithm applied in the situation that the load affected the rotation inertia of the axes are developed to satisfy the requirements of the CP motion.

提出了一种基于输入—输出稳定性理论的控制算法，以完成空载状态下CP运动的控制任务，该算法无需转子各轴向的加速度反馈信号，减轻了转子位置检测系统的压力。

In this paper, the effect between the choice of scaling gains and the control result is discussed.

研究结果表明，所采用的模糊逻辑控制方法对于周期和柴油机振动信号均有较好的控制效果。

The paper proposes a method which uses iteration learning control theory to design correction signal to self servo-writing loop. And the correction process can be used to conditions which precision model of plant can\'t be got. The convergence of iteration process can be proved by theory and experiments.

研究发现，自伺服刻写径向误差消除的过程很类似于迭代控制过程，提出用迭代学习控制算法设计自伺服刻写环路的校正信号，并从理论上证明该校正过程能够很好适应无法获取精确致动器模型的情况，证明了迭代过程的收敛性，实验证明径向误差得到较好抑制。

A self-adjusting control system that based on feedback signals was designed by using the tempe...

采用与温度变化相关的输出位移作为反馈信号，设计出基于反馈控制的自调节控制系统。

Some hardwaretechnology such as GPS, Ethernet and embedded computer and somesoftware technology such as Object Oriented Programming are used in thesystem. The functions of sequence contfol, breaker"s trip and close at theprocess of protection simulating, evellt recorder and wave recorder withhigh resolation and algorithm validation are realized. The whole systemhas the character of reliability and simplicity."

该系统采用了全球定位系统、以太网络、数字信号处理器、嵌入式计算机等硬件技术以及面向对象编程的软件技术，可以实现模拟实验的序列控制、模拟保护的跳合闸控制、高分辨率的事件记录、波形记录及各种算法的实时仿真功能。

In control system, system identification and control are calculated by high speed digital signal processing board.

实时控制中，辨识和控制的计算都由高速数字信号处理器完成。

We further perfected hardware interface designs such as system main controlling circuit, signal measuring circuit and control box. Also, we have simplified system circuit and improved precision of adding water and controlling, simplifying operation and maintenance of system and increasing possibility of mass production.

进一步完善系统主控电路和信号测量电路以及控制箱的改造等硬件接口设计，精简系统电路布局结构，提高系统的加水控制精度和操作的方便性，同时提高了系统的可维护性、批量生产的可能性。

The system can acquire the signal of real-time temperature on spot by data acquisition card, then analyze and process the signal in software platform. PID neural network control algorithm was used for the real-time temperature control on spot.

该系统通过数据采集卡对现场的温度进行实时采集，并由软件开发平台进行信号的分析处理和显示，然后使用PID神经网络控制算法对现场温度进行实时控制。

This invention relates to a cascade multiple zero-type matrix rectifier, in which, a general input filter is connected between a net and a step-down transformer to get sine-wave input current, the step-down transformer includes n secondary windings with Yn spliced mid lines, the phase of all the three-phase windings is the same, the rectifier array is arrayed in a 1 row x n lines by n zero-matrix rectifier units, each line of which is connected with the seconday winding of the step-down transfornmer, and the outputs of the rectifier units are serial orderly to form a DC output, the general controller is responsible for regulating work of the entire system and connected with the branch controllers by signal cables to control the work of the rectifier units in the array.

本发明涉及一种级联多重化零式矩阵整流器，总输入滤波器连接在电网与降压变压器之间，滤波得到正弦波形的输入电流，降压变压器有n个Yn接带中性线的次级绕组，所有三相绕组相位相同，整流器阵列由n个零式矩阵整流器单元排成1列×n行的阵列，阵列中每一行与降压变压器的一个次级绕组对应连接，阵列中整流器单元的输出依次串联，形成一路直流输出，总控制器负责控制调节整个系统的工作，并通过信号电缆与各个分控制器联络，控制整流器阵列中每个整流器单元的工作。本发明由低压小功率的变换器串联得到幅值可调的高压直流电源，同时在电网侧得到位移为零的输入电流，具有网侧四象限运行能力等优点，适用于中高压直流供电领域。

And Pharaoh spoke to Joseph, saying, Your father and your brothers have come to you.

47：5 法老对约瑟说，你父亲和你弟兄们到你这里来了。

Additionally, the approximate flattening of surface strip using lines linking midpoints on perpendicular lines between geodesic curves and the unconditional extreme value method are discussed.

提出了用测地线方程、曲面上两点间短程线来计算膜结构曲面测地线的方法，同时，采用测地线间垂线的中点连线和用无约束极值法进行空间条状曲面近似展开的分析。