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2006 Vol. 32, No. 11

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New approach for swarming aircraft positioning via network information
Feng Peide, Xie Shuxiang, Zhang Jingjuan
2006, 32(11): 1263-1267.
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The swarming aircraft organized by network will become a basic operation mode for the Airforce under network centric warfare(NCW) environment. A new approach for swarming aircraft positioning based on mutual distance measurement data is proposed. Simulation results show that the position accuracy fo...
Unique world coordiantes based global calibration method for multi-vision inspection system
Zhang Guangjun, Wei Zhenzhong
2006, 32(11): 1268-1272.
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An unique world coordiantes based global calibration method is proposed, in which double theodolites system coordinare frame is taken as the general measurment coordiante frame and the system is used to directly sample calibrations points for each vision sensor in the multi-vision inspections system...
Autonomous celestial navigation for lunar explorer based on genetic algorithm particle filter
Fang Jiancheng, Ning Xiaolin
2006, 32(11): 1273-1276.
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Autonomous celestial navigation system is a typical nonlinear, non-Gaussian dynamic system. Extended Kalman filter (EKF) is widely used in spacecraft navigation. It only uses the first order terms in the Taylor series expansion. To nonlinear and non-Gaussian system, EKF may introduce large estimatio...
Improved temperature error model of silicon MEMS gyroscope with inside frame driving
Fang Jiancheng, Li Jianli, Sheng Wei
2006, 32(11): 1277-1280.
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Temperature error is one of the main errors for MEMS(micro electronic mechanical system)gyroscopes. For eliminating temperature error of silicon MEMS gyroscope with inside frame driving, the improved temperature error model of gyroscope was presented. Based on the Seebeek theory of silicon material ...
Fast data fusion method for integrated navigation system and hardware in loop simulation
Cao Juanjuan, Fang Jiancheng, Sheng Wei
2006, 32(11): 1281-1285.
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The main factor in determining the computation time of Kalman filter is the dimension of the model state vector. The number of computations per iteration is direct proportion of n cube. Any reduction in the number of states will significantly decrease the computation time. Since 70 percent of the fi...
Simulation of a strapdown inertial continuous wellbore survey algorithm
Zhao Jianhui, Kong Qiying, Li Fan
2006, 32(11): 1286-1289.
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To achieve the fast and precise survey goal, a strapdown measuring algorithm which is based on an existing gyrocompass survey algorithm is studied. It offers two survey modes according to the inclination: the gyrocompass survey mode (inclination≤15°) and the continuous survey mode (inclination＞15°)....
Circulation edge algorithm in frequency domain to suppress the ringing ripples on the restored image
ZhaoYan, Li Dongxing, Xu Dong
2006, 32(11): 1290-1294.
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A restoration approach of the circulation edge algorithm in frequency domain based on the Wiener filtering is proposed. The effective regularization expression and the estimation method of the signal to noise ratio(SNR) are presented. First, the original supervised image is extended with the reflect...
Observer-based steering law design for control moment gyroscopes
Wu Zhong, Wei Kongming
2006, 32(11): 1295-1298.
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Usually, the pseudo inverse of the Jacobian matrix needs to be calculated in the conventional steering laws for single gimbal control moment gyroscopes (SGCMG). However, the steering law does not work when the Jacobian matrix is singular and its pseudo inverse is indefinite. Therefore, the problem o...
Gain scheduling cross feedback control approach for magnetic suspending flywheel
Tian Xihui, Fang Jiancheng, Liu Gang
2006, 32(11): 1299-1303.
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At high rotational speeds, the gyroscopic effect of flywheel rotor is the major factor that influences rotor stability. The gyroscopic effects will lead to nutation destabilization or procession destabilization. A gain scheduling proportional cross feedback control algorithm based on the rotational ...
New permanent magnet biased radial magnetic bearing in magnetic suspending flywheel application
Fang Jiancheng, Sun Jinji
2006, 32(11): 1304-1307.
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To overcome the defects of the present permanent magnet biased radial hybrid magnetic bearing, a new permanent magnet biased radial hybrid magnetic bearing in magnetic suspending flywheel application is reported. The fundamental principle of the radial magnetic bearing is presented. And the radial m...
Resonant sensor with double resonators
Fan Shangchun, Cai Chenguang, Wang Yingying, Xing Weiwei
2006, 32(11): 1308-1311.
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A new resonant sensor consisting of two resonators of uniform structure and size is presented. The closed loop control system is composed of two amplitude controllers and an inverter. The frequency characteristics of the two resonators in series are analyzed. It is found that the phase shift of the ...
Closed loop systems of resonant small sensors and microsensors based on DSP technology
Zhou Haomin, Zhao Qiaozhuan, Tang Zhangyang
2006, 32(11): 1312-1315.
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In the application of small sensor and micro-sensor, especially silicon resonant micro-sensor, the detection of weak signals with low SNR(signal noise ratio), the miniaturization and the anti-jamming problems of the self-oscillation closed-loop system are quite outstanding. Digital PLL (phase locked...
Design and realization of calibration method of electronic transformer
Qian Zheng, Li Tongjie, Zhang Xiang
2006, 32(11): 1316-1319.
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It is necessary for electronic transformer to make calibration before putting it into practice. A new calibration method is presented in order to solve existent problems of actual calibration course. The frequency of power system is accurately measured according to the combined measurement principle...
Maximum entropy method for fault prior probabilities
Meng Xiaofeng, Ji Hong, Wang Guohua, Zhong Bo
2006, 32(11): 1320-1323.
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To solve precision problem of fault prior probabilities, the calculation model of fault prior probabilities based on maximum entropy theory was proposed. Through this model, which could make full use of the given prior information as the constraints of maximum likelihood estimation and based on Lagr...
Comprehensive TPS diagnostic capability assessment methodology based on Dempster-Shafer evidence theory
Meng Xiaofeng, Wang Guohua, Ji Hong
2006, 32(11): 1324-1327.
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The assessment of TPS (test program set) diagnostic capability is one of the key means for TPS quality assurance. According to the comprehensive assessment problem of TPS diagnostic capability, a new knowledge fusion method based on D-S(Dempster-Shafer) evidence theory is developed. The rationale of...
Speedy calibration of low frequency vibration transducer by using linear frequency modulation signal
Fan Shangchun, Li Xiaolei
2006, 32(11): 1328-1332.
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Aiming at calibration demands of low frequency vibration transducer and characteristics of low frequency vibration calibration system, transducer was inspired by the linear frequency modulation (LFM) signal so that its frequency characteristic could be gotten through once measurement. Calibration ti...
Improved independent component analysis applied to classification hyperspectral imagery
Zhao Huijie, Li Na, Jia Guorui, Dong Chao
2006, 32(11): 1333-1336.
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To avoid the disadvantage of getting into local optimum solution with general numerical computation methods in the general independent component analysis and the restriction of neuron activation functions of neural learning algorithm, an improved model of independent component analysis (ICA) based o...
Basic theory and its principled experiment of non-diffracting interference in aiming system
Wang Zhongyu, Zhou Cong, Zhang Duo
2006, 32(11): 1337-1340.
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The non-diffracting technique was combined with the traditional Moire fringe interference technique and was applied firstly in the airborne opto-electronics system. A novel airborne aiming method was developed in basic theory and its principled experiment, the relevant aiming and tracking techniques...
Application of HHT analysis in surface roughness
Li Chenggui, Li Baogui, Sun Dan, Xiong Changyou
2006, 32(11): 1341-1344.
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HHT(Hilbert-Huang transform) is a new two-step time-frequency analysis method to analyze the nonlinear and non-stationary signal. The key step of this method is EMD(empirical mode decomposition) method with which any complicated data set can be decompose into a finite and often small number of IMF(i...
Blind image restoration algorithm based on adaptive decision feedback equalizer
Jiang Jie, Lü Bo, Zhang Guangjun
2006, 32(11): 1345-1348.
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ADFE(adaptive decision feedback equalizer ) is derived from transverse equalizer. It uses decision output signal to form a delay line, through which parts of coefficients are added together and are returned to the output. It can compensate for channels with severe intersymbol interference which is l...
Visual 3D motion estimation of UAV and landing target based on extended Kalman filter
Wang Rui, Yan Peng, Liu Hongying, Zhang Guangjun
2006, 32(11): 1349-1353.
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During the last phase of auto landing an UAV (unmanned aerial vehicle) on the ship, the estimation of the 3D relative motion parameters between UAV and the landing target can be regarded as the planar 3D motion estimation between the camera mounted on the UAV and the deck. An algorithm for visual mo...
Modeling and identification of random drift for FOG
Zhu Kuibao, Zhang Chunxi, Song Ningfang
2006, 32(11): 1354-1357.
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Random drift is a main error of fiber optic gyro (FOG), it is a efficient method to reduce the random drift and improve the accuracy by modeling and compensation from the output of FOG. The static output of FOG is a random project, the steability and randomicity are analysised, the trend and periodi...
Fiber micro-vibration readout sensor based on MOEMS
Xiao Wen, Li Rui, Liu Dewen, Yi Xiaosu
2006, 32(11): 1358-1361.
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To measure the vibration of micro-structure, a scheme of sensor basedon micro-optic-electro-mechanical system(MOEMS) with fiber-optic readout was proposed,and its mathematical model was deduced. The single-fiber readout structure and a micro-structure fixed in the front of the sensor were used. The ...
Reflection polarization maintaining optical fiber temperature sensor
Yang Yuanhong, Liu Bo, Li Li
2006, 32(11): 1362-1364.
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A reflection polarization maintain optical fiber temperature sensor was proposed based on the polarization mode interference theory in polarization maintain optical fiber and the sensing equation was derived. Analyses prove this sensor can achieves high accuracy and the measurement range can be adju...
Broad bandwidth signal detection scheme for high precision fiber optic gyroscope
Wu Zhanjun, Zhang Xi, Wang Xiaxiao, Li Chen
2006, 32(11): 1365-1368.
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Good static and dynamics environment performance of the signal detection scheme is necessary to meet the practice application of the high precision fiber optic gyroscope (HPFOG). All-digital closed-loop signal detection procedure of HPFOG was analyzed. Closed-loop transfer function of the detection ...
Design and simulation of sensor of differential fiber Bragg grating accelerometer
Liu Huilan, Feng Lishuang, Teng Li, Lin Heng
2006, 32(11): 1369-1372.
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A differential fiber Bragg grating (FBG) accelerometer was designed to solve the conflict of sensitivity and natural frequency for the conventional accelerometer with cantilever-mass structure. The system model was established and the measurement precision was theoretically calculated and analyzed. ...
Resonator design for MOEMS gyroscope
Feng Lishuang, Liu Huilan, He Bin, Wang Guanglong
2006, 32(11): 1373-1376.
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Micro-opto-electro-mechanical systems(MOEMS) gyroscope is one of the most potential development directions of micro-optical gyroscope. MOEMS resonator design is the key technique of MOEMS resonator gyroscope. A novel MOEMS spatial resonator based on micro-nano machining technology was put forward. T...
Timing for miniaturized three-cluster fiber optic gyro
Pan Xiong, Song Ningfang, Jin Jing, Tian Haiting
2006, 32(11): 1377-1379.
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Eigen frequency of fiber optic gyro (FOG) is determined by the length of fiber coil. Since the length cannot be controlled accurately while winding, timing generator should trace the eigenfrequency expediently without modification of hardware. The influences of veracity and stabilization of modulati...
Design of high precision fiber optic gyro strapdown system
Song Ningfang, Zhang Chunxi, Zhu Kuibao
2006, 32(11): 1380-1384.
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Referring to the object of high precision fiber optic gyro (FOG) strapdown inertial navigation system, the overall system design method based on the simulation is put forward. The key technology of FOG strapdown system design is analyzed. The design of body movement trajectory , the choose rule of K...
Three-cluster fiber-optic gyroscope for satellite
Jin Jing, Song Ningfang, Li Min, Tian Haiting
2006, 32(11): 1385-1389.
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Effects of space environment upon fiber-optic gyroscope(FOG) performance were studied, and a new-style assemble of 3-axis fiber optic-gyroscope used in satellite was designed. Simulation experiment was finished to analyze the effects of space radiation, vacuum environment and temperature cycle upon ...
Fiber-optic network architecture and technology for avionics systems
Zhang Chunxi, Shi Jieqin, Duan Jingyuan, Yang Yusheng
2006, 32(11): 1390-1394.
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In advanced avionics systems, the date communication system requires high speed and hybrid traffic. A scheme of distributed fiber-optic network system was presented based on the design consideration of distributed control, real-time access and fault-tolerance. Along with designing the architecture a...

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