连续微程序控制指令 continue microprogram control instruction
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Hence , the requirements of the servo control card are getting much sophisticated . in this thesis , the research work and implementation details of a 6 axes servo control card are discussed . this card is based on the ti company ? dsp chip tms320f240 and has realized the following functions : a ) signal encoder , b ) position limit , c ) dual ram communication with cpu , d ) coordinated control e ) dia conversion 该卡以ti公司的16位定点数字信号处理器tms320f240为核心芯片,实现6路编码器信号输入处理,轴限位中断处理,通过双端口ram与pc进行通讯,接收pc发送过来的控制指令和数据,完成插补运算、联动运算等控制,通过d / a转换电路,将结果转化为模拟电压送伺服放大器驱动电机。
The action of current tracking control circuit is : 1 ) the instantaneous reactive current yield the instruction current of the compensating current according to the reactive current testing circuit got , 2 ) according to the interrelationship of the instruction current and the real compensating current , yields pwm ' s control signal controlling each units of main circuit ducting , the result of controlling pledges the compensation current following the tracks of his instruction current ' s change 电流跟踪控制电路的作用是: 1 )根据无功电流检测电路得到的瞬时无功电流得出补偿电流的指令电流, 2 )根据补偿电流的指令电流和实际补偿电流之间的相互关系,得出控制主电路各个器件通断的pwm控制信号,控制的结果保证补偿电流跟踪其指令电流的变化。主电路的作用是根据电流跟踪控制电路输出的控制指令,产生实际的补偿电流。
The industrial computer mainly implements the functions of long - range supervision and management it includes : dynamic show of technics flow , real time data acquirement and show , history data save and print , fault alarm , etc ; the plc control system mainly accomplishes the wastewater technics flow control , harmonizes the logical relationship among local intelligent control instruments and transmits the state of each local equipment to the industrial computer , simultaneously , the plc control station receives the control commands from the industrial computer ; the local intelligent units take charge of the correlated parameters " measure > disposal and control , and it will transmit the related parameters to the computer , etc . in this thesis , introduced municipal wastewater treatment technics , the integrated application program development of computer , the design method of plc control station , the communication between plc control system and computer , and the network of wastewater treatment with industrial ethernet was also discussed 上位计算机主要实现远程监测和管理功能,具体包括:工艺流程动态显示、实时数据获得及显示、历史数据存储与打印、故障报警等功能; plc控制系统主要完成工艺流程控制以及协调现场各智能仪表之间的逻辑关系,将现场各设备的运行状态通过通讯网络传输到上位计算机,并接收上位计算机的控制指令;现场各智能仪表单元负责各相关参数的监测和处理、控制,并将有关参数送往上位监控计算机进行处理、保存等。本论文介绍了城市污水处理工艺、上位监控计算机的综合应用程序开发、城市污水处理自动控制系统plc控制站的设计和采用工业以太网技术的污水处理通信网络。
Customer can visit the server conveniently through ie browser but not make up by oneself upper machine software , and can conveniently , swiftly look over the single - chip system function situation and send out corresponding control instructions , really achieve the goal of monitoring and control long - distantly 客户可以用ie浏览器而不用自编上位机软件就可以方便地访问服务器,可在任何可以上网的地方,方便、快捷地查看单片机系统的运行情况并对其发出相应的控制指令,真正达到远程监测与控制的目的。
Since many data are handled , the fiber - optic net is needed in the central control room . the data include the process tags from the control stations , the orders to the control stations , and the data from internet . especially the " three defend " center can be connected in the key moment 现场设备层采用profibus现场总线技术,连接现场分站的控制设备,可收集处理现场运行数据、对控制分站发送控制指令,并可与“三防”中心相连,组成远程网络调度和监测系统,以期达到水资源优化配置和宏观预测的目的。
On the software realization , it introduced the " push " technology of xml which has the ability to push the information from the server to the client and activex control which makes the people send the control instruction to system from the client through the socket connection 在软件实现方面,引入了xml的“推”技术,从服务器端向客户端主动推送信息。并通过在客户端下载activex控件,实现socket通信连接,使得监控人员在远程端就可以发送控制指令对路灯进行监控。
The paper advised that electronic control system could apply step by step . the writer believes that it is disadvantage to use high quality control system , because it is too expensive to use the electronic control system . the research puts forth a new electronic control system 空燃比的闭环控制输入信号是节气门位置传感器和排气氧传感器,经过ecu计算处理后,向步进电机发出控制指令,利用步进电机的脉冲方向和步长改变向汽缸内的供气量,形成对空燃比的闭环控制。
The main features of this system are : ( 1 ) design and calculate stable fiber paths fulfilling all technical requirements ; ( 2 ) update of the geometry of the mandrel surface with the increase of the thickness ; ( 3 ) the transfer of laminate data to fea - program for detail stress analysis ; ( 4 ) generation of the control data file for four axes winding and ( 5 ) the real time simulation of fiber paths and machine paths 该系统主要特点有1 )设计和计算稳定的纤维路径; 2 )随厚度变化自动更新芯模曲面形状; 3 )为有限元分析提供路径网格数据; 4 )生成用于四轴缠绕机的运动控制指令数据以及5 )缠绕过程三维图形仿真。
Using gyro measurements during periods of thruster firing , with thruster outputs , mass property identification is achieved through recursive least squares algorithms on the basis of the refined dynamics equation . the approach addresses the issue by segmenting the problem into two sub - problems which both allow closed form solution to reduce computation load 该方法利用卫星上的陀螺输出和推力器控制指令作为算法的输入,在修正的卫星姿态动力学模型基础上,推导了卫星质量特性在线辨识递推最小二乘算法,将质心位置和转动惯量矩阵的辨识解耦以降低辨识算法的维数,减少计算量。
The first is the interface of software and hardware which is based on opc technology , its function is building the communication between the devices and the function components ; the second is the control module which corresponds with all of the function components according to the task and process ; the third is fms configurable components module , it can provides not only the friendly operation environment but also the configurable operation interface in line with the layout of devices on the workshop . on this basis , a prototype system is developed , by which the control system of the flexible manufacturing system is constructed for the teaching fms system in the cims center of college 基于opc技术的软、硬件接口模块,它实现了fms的各功能组件对底层设备的数据实时采集和控制指令的下达; fms调度控制模块,它根据加工任务和加工路径要求,协调并控制着fms系统各个功能组件之间的逻辑动作操作顺序; fms系统组态配置模块,它不仅提供了友好的人机操作界面环境,而且还可依据现场设备布局的具体情况进行界面的组态布局配置。