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1. In allusion to the coupling influence to system accuracy , this paper brings forward using dynamic robust compensation based on decoupling control . simulation experiments to prove its validity . in allusion to the performance index of simulation table , such as low velocity , high frequency response , high accuracy , etc , this paper analyzes pid control , acceleration feedback , velocity feedback , input signal differential feedforward , and employs compound control strategy including pid control , velocity feedback , position feedback and input signal differential feedforward ,
   針對(duì)仿真轉(zhuǎn)臺(tái)低速、高頻響、高精度等性能指標(biāo)的要求,分析了pid控制策略、加速度反饋、速度反饋、輸入信號(hào)微分前饋等控制方式,采用pid控制與速度反饋、位置反饋以及輸入信號(hào)的微分前饋結(jié)合起來(lái)的復(fù)合控制策略,充分利用反饋和前饋的優(yōu)勢(shì),對(duì)轉(zhuǎn)臺(tái)的位置伺服系統(tǒng)進(jìn)行研究。
2. Feedforward is generally known as the best performing linearization technique for its advantages , such as broadband , stability , etc . this paper introduces the theories of power amplifier nonlinear characters and feedforward technique . according to the rf specifications in 3gpp for wcdma transmitter power amplifier , an adaptive feedforward amplifier system is completed including eda simulation , circuits layout and main mechanical structure design
   本文根據(jù)3gpp對(duì)wcdma發(fā)射機(jī)功率放大器的射頻指標(biāo)要求,在對(duì)功率放大器的非線性特性和前饋技術(shù)的特性進(jìn)行詳細(xì)理論分析的基礎(chǔ)上,結(jié)合eda仿真工具,設(shè)計(jì)了基于自適應(yīng)前饋的功放系統(tǒng),并完成了系統(tǒng)的調(diào)試和測(cè)試。
3. Based on mutual - confidence , emphasizing value - added function , supply - chain management , a new management norm quite different from current one is theoretically popular from 1990s , which connects suppliers . distributors and end - users by feedforward of information flow and feedback of material flow and information flow . to implement scm is to make a manufactory more competitive with the result of higher profits
   90年代供應(yīng)鏈管理開(kāi)始在理論界盛行，它與現(xiàn)行管理模式有著非常大的區(qū)別，是通過(guò)前饋的信息流和后潰的物料流及信息流將供應(yīng)商、制造商、分銷商直到最終用戶聯(lián)系起來(lái)的一個(gè)整體模式的管理。
4. An on - line tuning parameter of proportional integral derivatives ( pid ) controller base on expert knowledge is presented in this paper , moreover the paper introduces differential forward feed control commonly used in simulators to speed up frequency response . to compensate torque interruption , the author designs a compound control strategy
   在數(shù)學(xué)模型上,仿真研究了基于專家知識(shí)的在線變參數(shù)pid控制策略、輸入信號(hào)微分前饋的復(fù)合控制策略以及轉(zhuǎn)矩干擾的補(bǔ)償控制策略,并將這些控制策略的效果進(jìn)行了對(duì)比研究。