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长春光学精密机械与物... [2]
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混凝超滤组合工艺的性能优化及调控原理
学位论文
OAI收割
北京: 中国科学院生态环境研究中心, 2019
作者:
丁燕燕
  |  
收藏
  |  
浏览/下载:29/0
  |  
提交时间:2020/07/24
混凝 沉淀 超滤 混凝 超滤, 膜污染行为, 影响 要素 临界沉淀时间
Coagulation Se Dimentation Ultrafiltration, Coagulation Ultrafiltration, Membrane Fouling Behavior, Influenc e Factors, Critical Settling Time
单颗粒-电感耦合等离子体质谱测定金纳米颗粒
期刊论文
OAI收割
分析化学, 2018, 卷号: 46, 期号: 6, 页码: 925-930
作者:
罗瑞平
;
郑令娜
;
丰伟悦
;
王萌
;
Luo, RP
  |  
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2019/10/11
Gold nanoparticles
Single particle inductively coupled plasma mass spectrometry
Dwell time
Settling time
Development of inclusions in 3104 alloy melt during heating and holding treatments
期刊论文
OAI收割
INTERNATIONAL JOURNAL OF MINERALS METALLURGY AND MATERIALS, 2016, 卷号: 23, 期号: 6, 页码: 637-644
作者:
Luo Xiaoxiong
;
Zhang Haitao
;
Han Xing
;
Guo Shijie
;
Chen Dandan
  |  
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2021/02/26
ALUMINUM
FILTRATION
CLEANLINESS
aluminum alloys
inclusions
heating
holding time
settling
The aircraft autopilot design of parameters changing in a wide range (EI CONFERENCE)
会议论文
OAI收割
2011 International Conference on Electric Information and Control Engineering, ICEICE 2011, April 15, 2011 - April 17, 2011, Wuhan, China
Zhen D.
;
Yue Z.
收藏
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浏览/下载:28/0
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提交时间:2013/03/25
Autopilot is an important part of aircraft
Under the action of the disturbance torque
for the flight parameters of aircraft Changing in a wide range
the range was about 16km
on the basic of analyzing the typical trajectory
the max height was about 5100m
the trajectory of feature points were selected
the deviation of lateral was about 12m
taking pitch control loop for example
the maximum angle of attack was about 3.6
a sub- PID autopilot was designed using classical control theory
the maximum elevator deflection was less than 5
using single-mode Transient suppression method
the maximum aileron deflection was less than 2
the overload due to control surface transition deflection was avoided when control parameters changing
the maximum roll was less than 5
the verification was done by non-linear simulation. The result showed that: the phase margin of autopilot was greater than 30
the response of overload can accurately track the given overload instruction. An autopilot design method of aircraft of parameter changes in a wide range was provided. 2011 IEEE.
the bandwidth was more than 14rad / s
the settling time was less than 0.7s
the maximum overshoot was 23.3%
Algorithm research of target acquisition for TV tracking system based on Sliding Mode Control (EI CONFERENCE)
会议论文
OAI收割
2010 3rd International Conference on Advanced Computer Theory and Engineering, ICACTE 2010, August 20, 2010 - August 22, 2010, Chengdu, China
Wu P.
;
Gao H.-B.
收藏
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浏览/下载:27/0
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提交时间:2013/03/25
Target acquisition algorithm based on Sliding Mode Control (SMC) is proposed for TV tracking system. Target acquisition capability and performance are both improved
attributing to overcoming the deficiencies of traditional linear control. In this paper
sliding surface with variable coefficient and continuous control law without switching is introduced in the SMC controller design. The improved SMC shows better performance compared to basic SMC
and full-field acquisition with rapid response and non-overshoot is achieved. The simulation of acquisition shows that
the system can acquire a target passing through the view field of 1.53 in the width with an uniform speed of 15 /s
while the whole process is in a short settling time and chattering-free
and the reaching segment has no overshoot. 2010 IEEE.
Effects Of Subgrid-Scale Modeling On Lagrangian Statistics In Large-Eddy Simulation
期刊论文
OAI收割
Journal of Turbulence, 2008, 页码: 1-24
作者:
Yang Y(杨越)
;
He GW(何国威)
收藏
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浏览/下载:1039/76
  |  
提交时间:2009/08/03
Homogeneous Isotropic Turbulence
Relative Diffusion
Settling Velocity
Time Correlations
Particle Motion
Heavy-Particles
Fluid Particles
Channel Flow
Dispersion