逻辑系统

It also illustrates the general design project, the design process and construction of the PLC control system for three-story buildings, listing the specific main circuit, trapezia control chart of elevator and repertoires.

并给出了系统组成框图和程序流程图，在分析、处理随机信号逻辑关系的基础上，提出了PLC的编程方法，设计了一套完整的电梯控制系统方案。

Introducing the idea of fuzzy logic, this paper advances Trust-authorization-based fuzzy access control model and exerts fuzzy synthetic judgment method to calculate subjects' trust worthiness, establishes fuzzy control rules, automatically authorizes subjects' relevant privilege by fuzzy adjudging, which can satisfy requirements of open information system access control.

文中引入模糊逻辑的思想，提出了基于信任授权的模糊访问控制模型，运用模糊综合评判法计算出主体在开放式信息系统中的信任度，并建立模糊控制规则，通过模糊判决自动授予主体相应的权限，使其能够更好的满足开放式信息系统中访问控制的要求。

And descrbes various logic relation of object and aggravates explain by system application in this paper.

描述了电力通信设备和系统对象的各种逻辑关系，并通过系统实际应用加以了说明。

The principle of system design is as follows: At first, compartmentalizing the arithmetic of sterovision measurement. We use FPGA logic units Customized hardware blocks to implement the arithmetic which is simple and large data-computing, and the data is transferred on pipeline between each blocks, otherwise, use software program in NiosⅡ to implement the complicated and small data-computing arithmetic. So the system is high-speed and flexible.

系统设计的基本思想如下：首先针对视觉测量算法进行划分，对算法简单、数据处理量大的部分用 FPGA逻辑单元自定义硬件模块的方法实现，各硬件模块之间数据采取流水线操作；算法复杂、数据处理量小的部分则在 Nios II软核中用软件的方法实现，从而使本系统既具速度优势又具良好的灵活性。

And optimization techniques have been presented, which cover the key blocks of pipeline ADC, such as MDACs, Sub-ADCs, clock generator, digital correction circuits etc. This research focuses on minimizing power dissipation in high speed piplined ADCs.

接着从分析流水线模数转换器系统误差来源以及流水线各级精度要求入手，着重对系统结构、MDAC、Sub-ADC、时钟发生器、数字纠错逻辑等五大模块提出优化方案。

The main reasons of such explosions are that the velocity of primary air is too low when turn on and off the pulverizing system and the level of the coal in ball mill is too high.

通过分析，启停制粉系统时一次风速过低及磨煤机料位控制过高是造成爆炸的主要原因，为此提出制粉系统运行控制要点，及增加磨煤机火灾保护逻辑，效果明显。

Although the development of the whole pneumatic control by computer-aided design of logic control mode, position control systems and general program controller, etc., but the face of large, complex pneumatic systems, their control more complex.

全气动控制虽然发展了由计算机辅助设计的逻辑控制方式、位置控制系统和通用程序控制器等，但是面对庞大的、复杂多变的气动系统，其控制较复杂。

Based on the comparison between several present schemes controlling DC motor with PWM, a design scheme for drive circuit fit to EPS is presented, in which both low side and high side are N-MOS and high side is either in fully-off or fully-on state while low side is controlled by logic circuit.

在分析电动助力转向系统电机驱动电路性能和可靠性要求的基础上，对比常用的PWM控制直流电机的优缺点，提出了电动助力转向系统驱动电路的设计方案：上、下管均采用N沟道MOS管，上管常通或常闭，下管由PWM逻辑电平控制。

In the course of researching the fuzzy predictive control which base on the T-S fuzzy model, and depend on the characteristics of this drying system, this paper provides the control project in the basis of temperature and humidity and other parameters in the processing of drying system which at the basis of fuzzy logic.

在重点研究基于 T-S 模糊模型的模糊预测控制的基础上，根据本干燥系统自身特点，提出了基于模糊逻辑的干燥系统运行过程中温度、湿度等参数的控制方案。

The design of logic cir cuit and the processing algorithm of data are deals with mainly.

介绍在TCZ型电子秤装置上研制STD总线工控机的BCD码信号处理系统的系统结构和工作原理，从而着重论述逻辑电路的设计和数据处理算法。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。