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CAS IR Grid
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长春光学精密机械与物... [4]
近代物理研究所 [2]
金属研究所 [1]
计算技术研究所 [1]
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OAI收割 [8]
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会议论文 [4]
期刊论文 [4]
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2015 [1]
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Speedup in classical simulation of Gaussian boson sampling
期刊论文
OAI收割
SCIENCE BULLETIN, 2020, 卷号: 65, 期号: 10, 页码: 832-841
作者:
Wu, Bujiao
;
Cheng, Bin
;
Jia, Fei
;
Zhang, Jialin
;
Yung, Man-Hong
  |  
收藏
  |  
浏览/下载:42/0
  |  
提交时间:2020/12/10
Gaussian boson sampling
Classical simulation
Hafnian
Probability distribution
Marginal distribution
Quantum optics
Rectification and phase locking of graphite
期刊论文
OAI收割
FRONTIERS OF PHYSICS, 2015, 卷号: 10, 页码: 8
作者:
Zhang, Zhen-Bin
;
Jia, Ru-Juan
;
Tekic, Jasmina
;
Yang, Yang
;
Wang, Cang-Long
  |  
收藏
  |  
浏览/下载:28/0
  |  
提交时间:2018/05/31
classical transport
friction and lubrication
computer simulation of molecular and particle dynamics
Longitudinal control law design and simulation of fixed-wing UAV (EI CONFERENCE)
会议论文
OAI收割
2012 International Conference on Measurement, Instrumentation and Automation, ICMIA 2012, September 15, 2012 - September 16, 2012, Guangzhou, China
作者:
Duan Z.
收藏
  |  
浏览/下载:31/0
  |  
提交时间:2013/03/25
Taken some fixed-wing UAV as the study object
the aircraft movement was broken down into the longitudinal movement and lateral movement according to the linearized small perturbation principle
the longitudinal control law design method was discussed using root locus which belonged to classical control theory. The six degrees of freedom nonlinear model simulation result shows that: the control parameters designed are reasonable
the simulation profile is fully consistent with the setting profile
the control effect of pitch angle loop and altitude loop meets with the indices requirements
the method is mature and reliable
easy to realize in engineering. (2013) Trans Tech Publications
Switzerland.
New Implementation of Semi-classical Dynamic Simulation on the Photoisomerization of cis- and trans-Isomers of Free Stilbene
期刊论文
OAI收割
ACTA CHIMICA SINICA, 2012, 卷号: 70, 页码: 1869-1876
作者:
Lei Yibo
;
Zhu Chaoyuan
;
Wen Zhenyi
;
Lin Sheng-Hsien
  |  
收藏
  |  
浏览/下载:24/0
  |  
提交时间:2018/07/05
New Implementation Of Semi-classical Dynamic Simulation
Constrained Hamiltonian System
Zhu-nakamura Theory
Isomerization Of Cis And Trans-stilbene
Two Dimensional Analytical Potential Energy Surfaces
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
  |  
浏览/下载:30/0
  |  
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%
Mechanical Properties of Bamboo-like Boron Nitride Nanotubes by In Situ TEM and MD Simulations: Strengthening Effect of Interlocked Joint Interfaces
期刊论文
OAI收割
Acs Nano, 2011, 卷号: 5, 期号: 9, 页码: 7362-7368
D. M. Tang
;
C. L. Ren
;
X. L. Wei
;
M. S. Wang
;
C. Liu
;
Y. Bando
;
D. Golberg
收藏
  |  
浏览/下载:30/0
  |  
提交时间:2012/04/13
boron nitride nanotube
interfacial geometry
mechanical properties
in
situ TEM
MD simulation
multiwalled carbon nanotubes
computer experiments
classical fluids
tensile tests
composites
nanocontacts
nanowires
resistant
modulus
growth
Nonlinear control design for system with mechanical resonance based on two tracking-differentiators (EI CONFERENCE)
会议论文
OAI收割
2010 IEEE International Conference on Mechatronics and Automation, ICMA 2010, August 4, 2010 - August 7, 2010, Xi'an, China
作者:
Li J.
;
Li Y.
;
Li Y.
;
Li Y.
;
Li Y.
收藏
  |  
浏览/下载:32/0
  |  
提交时间:2013/03/25
A nonlinear control strategy for controlling a motion system with mechanical resonance is presented in this paper. A mathematical model of the servo system is derived according to the parameters of an actual system. By using two Tracking-Differentiators
reference input and system output are tracked and their differential signals are given simultaneously. A nonlinear PD control law in velocity loop is designed based on non-smooth feedback. The simulation results show that the control law is superior remarkably in performance to linear PD control law and the classical PID control law. Tracking-Differentiator resolves the contradiction between rapidity and overshoot of system response. The nonlinear PD control law improves system dynamic performance and intensifies the ability of disturbance rejection. The control design achieved in this paper makes the servo system more robust. 2010 IEEE.
Study on bandwidth mutual-benefit between the azimuth and pitch in an optoelectronic tracking system (EI CONFERENCE)
会议论文
OAI收割
MEMS/MOEMS Technologies and Applications III, November 12, 2007 - November 14, 2007, Beijing, China
作者:
Guo J.
;
Guo J.
;
Chen J.
收藏
  |  
浏览/下载:18/0
  |  
提交时间:2013/03/25
Two-axis optoelectronic tracking equipments generally use such mode that azimuth and pitch system are independently controlled. It leads to the two structures completely uncoupled
therefore
and reduces the state space dimension. But the main problem is that the rotational inertia of azimuth is much larger than that of pitch
it is an effective control mode to the two-axis photoelectric tracking equipments.
which leads its dynamic tracking performance is worse. So to find a more suitable mechanics and more effective control strategy is necessary. Considering the tracking ability
this paper designs BMC (bandwidth mutual compensation) to uniformly correct the error of both the azimuth and pitch system in real time
it is realized by cross coupling control to the azimuth and pitch. The simulation result verified that compared with classical uncoupling system BMS not only guarantees the state space dimension but improves systematic tracking performance about 2