Prototype of the symmetrical typical voltage space - vector of open - loop variable frequency speed system is designed by using the tms320f240 digital controller and the ipm ( intelligent power model ) , with which had a exam on the motor and the experimental results are also given . from the results we can conclude that the results are according with the theory analysis 利用ipm智能功率模块，设计了采用基于tms320f240数字控制器的对称空间电压矢量的开环变频调速系统的原理样机，对电机进行了空载实验，给出了它们的实验结果，实验结果和理论分析相一致。
The transmission method and control theory of the hydraulic traveling system of the paver are analyzed in the paper . and so on , a specific and reasonable strategy has been put out . the paper accomplishes the hardware design of the control system utilizing dsp and the software utilizing cc2000 software 本文对摊铺机行驶驱动的液压系统及其控制方式进行了分析，提出了比较合理的控制方案，用dsp作为数字控制器的核心器件完成了控制器的硬件设计，利用了cc2000软件完成了控制器的软件设计。
This thesis makes a new digital controller with two pieces of tms320f240 dsp base on the old digital controller in our lab , the new controller have two kinds of functions . firstly , two dsp can deal with all signal together , secondly , when a dsp is damaged and does n ' t work , another dsp will immediately take actions and deal with all signal alonely . which makes the system runs in gear 经过调试，该数字控制器不仅可以实现两dsp分担处理传感器信号的功能，即在两芯片都正常工作的情况下，其中一芯片处理两路信号，另一芯片处理余下的三路信号；同时该设计还具有容错功能，当其中某一芯片出现故障而不能处理信号时，另一芯片将迅速做出反应并独立肩负起全部信号的处理任务。
Based on the tms320f240 controller produced by ti company , the hardware and software designation of the symmetrical voltage space - vector pwm is presented . designed a digital controller with tms320f240 to modulate the speed of the motor , in which the keyboard and led display are bedded . it can be to set the frequency of motor and display the run frequency of motor in real time 基于ti公司的tms320f240控制芯片，介绍了对称空间电压矢量硬件设计和软件设计，采用tms320f240设计了一款用于电机变频调速的数字控制器，该控制器上设计有键盘和led显示，可以设定和动态显示电机运行频率。
The platform consists of a dc motor , a decelerating mechanism , a driving unit , an i / o circuit of interface , several kinds of sensors and a pc with control software . the communication between the software and the hardware can be implemented on the basis of pc parallel port . this platform uses computer control technology to realize its functions , but for users it can achieve analogue and digital control 平台由直流电机、机械减速装置、驱动模块、 i o接口电路、各种传感器件和安装了控制软件的个人计算机组成，软硬件通过计算机并行口进行通讯，其内核采用计算机控制技术，对用户来说既可以作为模拟控制器，也可以实现数字控制器。
The transmission method and control theory of the hydraulic traveling system of the paving machine are described in detail in the paper . the paper puts out a specific control strategy to control the machine ' s running forwards and backwards , starting , braking , accelerating and decelerating , and or so , turning right and left and steering , at the same time , puts great emphasis on the study of constant - velocity technology and integrates the pid theory and fuzzy control theory into the design of the digital controller 详细论述了沥青混凝土摊铺机液压行驶系统驱动方式和控制原理，提出了具体的控制方案，用单片机完成了摊铺机行驶系统数字控制器的硬件设计和软件设计，实现了摊铺机前进后退、起步、停车的加速与减速控制，以及左右转向和原地转向的控制。
In this article , we adopt controlling system of pc + nc open - architecture to control the single - needle quilting processing . this structure can greatly shorten our development cycle , because our team had succeeded in applying some nc controller with similar structure in the control of multi - needle quilting process . meanwhile , we can use pc tech and popular soft - ware tech to develop friendly human - machine interface with great function 系统采用目前流行的控制系统发展的主要方向之一，将pc加专门数字控制器的开放式结构，作为单针绗缝控制系统，大大缩短开发周期，不仅可以利用pc技术的流行软件平台，开发出功能完善的人机界面，而且有效实现了图像采集、数字处理等复杂运算和实时控制，实用效果好。
The rotation control technology in the laser gyro strapdown inertial navigation system was studied . the method of realizing closed - loop digital control with rlg located in the strapdown inertial navigation system was discussed . the structure of rotation servo system was introduced . the designing method and process of the digital controller were given . the method of implementing digital controllers by means of computer and software flow were demonstrated . the result of simulation and debugging of this system showed that it fullfills the requirment of the strapdown inertial navigation system . it assures the stability of rotation and solves the problem of striking without increasing the volume and cost of the system 研究激光捷联惯导系统中的转位控制技术.采用捷联惯导系统本身的rlg实现转位系统的闭环数字控制，给出了转位伺服系统的结构组成以及数字控制器的设计方法和设计过程，给出了数字控制器的计算机实现方法和软件流程.仿真及调试结果表明，所设计的转位伺服系统满足捷联惯导系统的要求，既保证了转动的平稳性，克服了到位撞击问题，又不增大体积、增加成本
Through simulation and calculating the four models , the influence on proportion coefficient , integral time constant , derivative time constant and partial feedback coefficient for system performance is analyzed . the ideal reference value of every parameters and step respond curves are given . the simulation result may be used as reference for making analogue controller or digital controller 通过对这四种模型的仿真研究，分析了各模型中比例系数、积分时间常数，微分时间常数及局部反馈系数对系统性能的影响，并给出了各参数较为理想的参考值及阶跃响应曲线，仿真结果对制作模拟控制器及数字控制器有一定的借鉴作用。
The mixed control chip sg3525a combined with hardware pi controller generates the high - frequency pwm pulse for the first inverter . the digital control block tms320lf2407a mainly provides current preset for constant - current source through the outer filter , pwm pulse for the second inverter and drive signal for the high - frequency pulse power supply 其中变极性电源的一次逆变pwm信号由pwm发生芯片sg3525a ,配以外部硬件电路pi调节器产生;一次逆变闭环控制回路的电流给定(配以外部滤波) 、二次逆变pwm驱动以及高频脉冲电源的控制则由tms320lf2407a数字控制器实现。
