Software part want function that realize : through interrupt service routine gather and come out regularly ecg signal , store among computer in the form of the binary scale ; data compress programme should realize to ecg signal pretreatment and compress of signal , narrow the storing amount of the data , save the space ; case information management system realize patient information and heart telecommunication file of interest , keep and in the data base , can show the ecg signal wave form at the screen of the computer directly data that gather . and has offered and type and report the single function 软件部分所要实现的功能为：通过中断服务程序把心电信号定时采集出来，以二进制的形式存储在计算机中；数据压缩程序应实现对心电信号的预处理和压缩，缩小数据存储量，节省空间；病例信息管理系统实现患者个人信息和心电信息的存档，把采集的数据保存作数据库中，能够将心电波形直接显示在计算机屏幕上，并提供打印报告单的功能。
The main module of sensorless pmsm vector control such as voltage sensing , current sensing , smo rotor position estimation , speed calculation , generation of sine and cosine , vector coordinate transformation , pi regulators , svpwm vector modulation are all accomplished in the pwm interrupt service routines 永磁同步电机无位置传感器矢量控制的主要模块如电压采样、电流采样、滑模转子位置估算、速度计算、正余弦值生成、矢量坐标变换、比例积分调节器、空间电压矢量脉宽调制等都是在pwm中断服务子程序中完成。
The service guarantee does not apply where late delivery results from non - compliance with the restrictions or conditions in the commodities handled and restrictions on service clause , from the exercise of any lien by ups in accordance with these terms , where either the refusal and suspension of service clause or the interruption of service clause apply 快递服务保证不适用于因货品不符合"货品处理及服务限制"条款的要求、因ups行使"拒绝和暂停服务"条款的权利或行使"中断服务"条款中的留置权而导致的迟延交付。
Secondly , the main stuctures of the software and hardware parts of the control system are introduced . principles and realization of the main functional blocks of these two parts are illuminated . on the hardware of the system , parts of control circuit and the design and debugging of peripheral circuits are discussed thoroughly . based on the hardware circuit , the software is programmed with assembly language . dual close loop vector control weth feedback of speed and current are realized . the flow charts of main programme and pwm interrupt service routines are given . the important control strategies of vector control pmsm such as current sensint and scaling , speed sensing and scaling , bector co - ordinate transformation , generation of sine and cosine , pi regulators , svpwm vector modulation and so on are all accomplished in the pwm interrupt sevice routines . in order to unite all the variables in the programme , scaling is used 硬件方面主要论述了控制电路各部分及外围辅助电路的设计和调试。在硬件的基础上，软件采用汇编语言编程，实现了转速和电流双闭环矢量控制。给出了系统主程序和pwm下溢中断处理程序流程图， pmsm矢量控制的主要控制策略如电流采样与定标、速度采样与定标、矢量坐标变换、 sin和cos值生成、 pi调节、 svpwm波形生成等都是在pwm下溢中断服务子程序中完成的。
This system ' s hardware adopts dsp - embedded controller , which can process digital signal independently . the controller communicates with pc by accessing memory . on the side of controller , c language is used to write the interpolation program and the interruption service program , while on the side of pc , visual c + + is used to write programs in which functions of editing nc - code , real - time control and human - machine interaction interface is fulfilled 该数控系统的硬件采用了具有独立数字信号处理功能的dsp型运动控制器，控制器通过内存访问与pc机通信，使用c语言编写了控制器端的中断服务和插补程序，使用visualc + +编写了pc端的数控代码编辑、实时控制和人机交互界面程序。
Software includes designing of the dsp initialization files , sampling and processing program of the synchronous signal , sampling and logic pre - processing program of the rectifier voltage , program of fault diagnosis and location , display and alarm program , delay and isr program 软件部分主要包括： dsp初始化程序的设计、同步信号的获取及处理程序、整流电压的采样和逻辑预处理程序、故障诊断及定位算法，显示和报警程序及延时中断服务程西安理工大学硕士学位论文序等。
In the designation of software , the author adopts the modular designing method , and makes full use of the functions what the mcu offers , such as a / d function , interrupt function , pwm function , and software timer function . as a result , the following subroutines are programmed : a / d sample , read optic - electron coder signal , disposition of orientation interruption , z interruption , and software timer 在控制软件的设计上，采用模块化程序设计方法，充分利用单片机内部提供的a d功能、中断功能、 pwm功能、软件定时器等功能，设计出了a d采样子程序、读编码器信号子程序、定位中断服务子程序、 z中断服务子程序、软件定时器中断服务子程序等模块化程序。
