| 1. | The influence of electric transient process on speed regulation quality 电气过渡过程对转速调节品质的影响 |
| 2. | Reciprocating internal combustion engines - performance - speed governing 往复式内燃机规范.性能.第4部分:转速调节 |
| 3. | Reciprocating internal combustion engines - performance - part 4 : speed governing iso 3046 - 4 : 1997 往复式内燃机.性能.第4部分:转速调节 |
| 4. | The paper improves the arithmetic of dmc and applies it in electro - hydraulic regulating system of turbine and studies on many types turbine 本文将动态矩阵控制算法进行了改进,并将其应用于水轮机调节系统,对多种型式的机组转速调节进行了研究。 |
| 5. | The feed quantity can be adjusted by means of adjustment of vane rotating speed so that the boiler can run stably and safely 通过调整叶轮转速调节给粉量,从而调整锅炉燃烧状态,保证锅炉稳定、安全运行,也可用于建材、冶金、化工等行业的给粉系统。 |
| 6. | For the sake of having a fine stiffness and speed stability in this system , we designed a rotational speed regulation loop inside the position loop and adopted pi regulation algorithm as a basic algorithm of speed loop controller 为了使系统能够有很好的刚性和速度稳定性,在位置环之内设置了一个转速调节环,并且以pi调节算法作为速度环控制器基本算法。 |
| 7. | Besides to control rotate speed of electromotor , the control system adjusts wind speed , substantively it is the control of speed press ( v2 = 2q / p ) . so , flow field control system adjusts speed press through the control of rotate of electromotor 风洞流场控制系统除对电动机转速调节外,主要控制风速v ,实质上就是控制其速压q ( v ~ 2 = 2q p ) ,所以,风洞流场控制系统是通过控制电动机转速,来调节实验段内的速压。 |
| 8. | A kind of high - performance transducer named as cimr - g54e41851 of yaskawa functioning as a speed adjustment with s - form and torque promoting is introduced to solve the problem facing to conversion of speed and starting in this new - style conveying system . as mentioned above , we take the advantage of plc . based on fx2n plc ’ s programming software the gx developer 7 . 0 introduced in our system adopts the modularization design method of structure and code reusing , subsequently decreasing the procedure of the soft ? programming and maintenance cost 在本系统中,为了实现能源的充分利用和生产的需要,需要对电机进行转速调节,考虑到电机的启动、运行、调速和制动的特性,采用高功能性v / f控制的通用变频器安川cimr ? g5e41851 ,此变频器的s型加减速功能和转矩提升功能,能很好的解决转速之间的切换和启动问题。 |
| 9. | The controller includes two control loops which are outer speed loop ( variable parameter pi adjustment ) and inner current loop ( single - chop current delta - control ) . in order to improve system performances , design of digital control system based on dsp is presented . the proportional parameter and integral parameter can be obtained through the design 整个系统采用变pi参数转速调节(外环)与单斩电流滞环调节(内环)相结合的双闭环控制方式,为了得到既快速又稳定的恒速系统,本文还给出了基于dsp的双凸极永磁电机数字控制系统的设计方案,通过此设计方案可以得到转速环的比例参数kp和积分参数ki的参考值。 |
| 10. | Based on the theory creation of space voltage vector ' s polygonal flux linkage locus , freewill partition of the ideal flux circle is realized by the software method . furthermore , different polygonal flux linkage locus ' s fluent switching point is also found , which overcomes the motor " switching failure and improves the speed adjusting dynamic performance 在充分研究磁通轨迹法原理的基础上,采用软件方法实现了任意多边形磁链轨迹的生成;并找出了不同磁链轨迹间的平滑切换点,解决了切换时的电动机失步问题,提高了系统转速调节的动态性能。 |