恒速

• In this paper generic model control is applied to the design of controlling law of the nonlinear power propulsion system , at the work state of constant depth and variable speed , constant speed and variable depth movement of torpedo . then the simulation program of the torpedo thermal power digital simulation system comes forth which can be used for the dynamic simulation of the performance of the process of open - loop constant depth and open - loop constant speed , the process of close - loop constant depth and close - loop constant speed
  本文采用一般模型控制的基本原理，对非线性动力推进系统进行控制律的综合，设计了鱼雷恒深变速、恒速变深控制的闭环控制规律，开发了鱼雷热动力系统数字仿真软件，对鱼雷热动力推进系统的典型工况：开环恒深、开环恒速以及闭环恒深、闭环恒速进行动态仿真。
• 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。
• When multi - kinds of interference occur , such as the barrier , the circumstance of upgrade and downgrade resulting in the change of resistance , and electrical source ' s fluctuation , all those influence has a little influence on the speed of welding dolly and the invariable speed and the regulative speed can be realized
  当受到各种干扰(即行走过程中遇到障碍物或上坡、下坡等情况,小车的阻力发生变化及电源波动为主的突发干扰)时,焊接小车的行走速度几乎不受影响,实现了焊接小车的恒速或变速行走。
• The technology of wind power are introduced in this paper including the power capacity , the main drive mode of wind generator and the way of power control , the characteristics of cscf and vscf are analyzed , the control method of fixed pitch and variable pitch and variable speed and the robust non - linear of intellectual control methods are expatiated
  摘要介绍了当前风力发电机的主要驱动方式和风力机的功率调节方式，阐述了恒速恒频、变速恒频发电技术的特点，论述了具有鲁棒性的非线性智能控制技术在风力发电中的应用。
• Based on the experience of regulating frequency according to different valve ' s angle , a reasonable controlling tactic is proposed . when the situation changes to a small degree , electromotor makes fan running at a constant rate ; when the situation changes to the limiting range , the discharge header pressure is automatically adjusted by the rate of fan
  制定合理的控制策略，采用基于阀门开度的变频调节策略，即工况变化较小的情况下，电机带动鼓风机恒速运行，通过控制阀门开度自动调节集气管压力；当阀门开度到达极限值，还不能达到控制要求时，再通过变频器改变鼓风机转速，以自动调节集气管压力。
• Using minimum water supply cost as objective function , the secondary series of optimal dispatch model was set up . the optimal combination of fixed - speed pump and the optimal range of rate and flow in varied - speed pump station were elaborated . applying these methods for water supply system in yuci city , the result show it can save energy , which illustrate this optimal dispatch model was successful
  以供水费用最小为目标函数，建立了给水系统的一级优化调度和二级优化调度的宏观模型；详细阐述了泵站中只有恒速泵时恒速泵的最优组合方法，含有调速泵时，给出了确定调速泵最佳台数、最佳调速范围和调流范围的计算方法。
• It was established that the dynamic mathematic models of typical work state : steady states , process of changing speed of the open - loop propulsion system in the same depth , process of changing depth in the same speed . four steps runge - kutta was adopted in the simulation of the process mentioned above , satisfying results gained
  建立了开式鱼雷涡轮动力系统的稳态过程、开环状念下的恒深变速过程、恒速变深过程的动态数学模型，采用经典的四阶龙格?库塔算法对其进行了仿真计算，得到了比较满意的结果。