中国科学院机构知识库网格系统: 检索

Deep Reinforcement Learning-Based Automatic Exploration for Navigation in Unknown Environment 期刊论文 OAI收割
IEEE TRANSACTIONS ON NEURAL NETWORKS AND LEARNING SYSTEMS, 2020, 卷号: 31, 期号: 6, 页码: 2064-2076
作者: Li, Haoran; Zhang, Qichao; Zhao, Dongbin

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收藏 | 浏览/下载：46/0 | 提交时间：2020/08/03

Robot sensing systems Navigation Entropy Neural networks Task analysis Planning Automatic exploration deep reinforcement learning (DRL) optimal decision partial observation

Resilient Fault Diagnosis Under Imperfect Observations–A Need for Industry 4.0 Era 期刊论文 OAI收割
IEEE/CAA Journal of Automatica Sinica, 2020, 卷号: 7, 期号: 5, 页码: 1279-1288
作者: Alejandro White; Ali Karimoddini; Mohammad Karimadini

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收藏 | 浏览/下载：27/0 | 提交时间：2021/03/11

Cyber-physical systems discrete event systems fault diagnosis imperfect communication imperfect observation Industry 4.0 resilience

MICROSTRUCTURE EVOLUTION AND GROWTH BEHAVIORS OF FACETED PHASE IN DIRECTIONALLY SOLIDIFIED Al-Y ALLOYS II. Microstructure Evolution of Directionally Solidified Al-53%Y Peritectic Alloy 期刊论文 OAI收割
ACTA METALLURGICA SINICA, 2016, 卷号: 52, 期号: 7, 页码: 866-874
作者: Liu Tong; Luo Liangshun; Zhang Yanning; Su Yanqing; Guo Jingjie

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收藏 | 浏览/下载：15/0 | 提交时间：2021/02/02

STRUCTURE FORMATION MECHANISM IN-SITU OBSERVATION COUPLED GROWTH SELECTION SYSTEMS Al-Y peritectic alloy directional solidification intermetallics compound faceted growth

A visual measurement of fish locomotion based on deformable models 会议论文 OAI收割
7th International Conference on Intelligent Robotics and Applications (ICIRA), Guangzhou, PEOPLES R CHINA, DEC 17-20, 2014
作者: Xia, Chunlei(1,2); Li, Yan; Lee, Jang-Myung; Xia, Chunlei

收藏 | 浏览/下载：24/0 | 提交时间：2015/08/10

Fish Active Shape Models Biological studies Deformable models Model-based tracking Observation systems Posture measurement Swimming mode Visual measurements

2012–2014 China’s Earth Observation and Earth Science Development 期刊论文 OAI收割
空间科学学报, 2014, 卷号: 0.0, 期号: 5.0, 页码: 721
作者: Guo Huadong; Ma Jianwen; Xiao Han; Lu Feng; Liang Dong

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收藏 | 浏览/下载：34/0 | 提交时间：2021/03/16

Earth observation Earth system science Big data High-resolution Earth observation systems Global and regional sustainable development

Growing Artificial Transportation Systems: A Rule-Based Iterative Design Process 期刊论文 OAI收割
IEEE TRANSACTIONS ON INTELLIGENT TRANSPORTATION SYSTEMS, 2011, 卷号: 12, 期号: 2, 页码: 322-332
作者: Li, Jinyuan; Tang, Shuming; Wang, Xiqin; Duan, Wei; Wang, Fei-Yue

收藏 | 浏览/下载：33/0 | 提交时间：2015/08/12

Agents artificial transportation systems (ATS) computational experiments emergence-based observation rules

Application of improved UKF algorithm in initial alignment of SINS (EI CONFERENCE) 会议论文 OAI收割
2011 2nd International Conference on Artificial Intelligence, Management Science and Electronic Commerce, AIMSEC 2011, August 8, 2011 - August 10, 2011, Zhengzhou, China
Su W. X.

收藏 | 浏览/下载：21/0 | 提交时间：2013/03/25

In order to improve the initial alignment accuracy and convergence rate of the SINS system proposed the improved UKF algorithm (AUKF) based on the Unscented Kalman Filter (UKF). Noise statistical characteristics are mostly unknown in real systems when it was effected by the initial value errors and dynamic model errors AUKF algorithm can real-time adjust the covariance of the state vector and observation vector and balance the right ratio of the state information and observation information in the filter results thereby improving the system performance. The experimental results show: The Improved UKF Algorithm enhances the convergence speed and alignment accuracy effectively. 2011 IEEE.

The stability design and realization of airborne platform based on TMS320F2812 (EI CONFERENCE) 会议论文 OAI收割
2011 International Conference on Mechatronic Science, Electric Engineering and Computer, MEC 2011, August 19, 2011 - August 22, 2011, Jilin, China
作者: Zhang X.; Zhang X.; Zhang X.

收藏 | 浏览/下载：41/0 | 提交时间：2013/03/25

Airborne electro-optical stable platform can isolate movement and vibration of the airframe stabilizes the optic axis of the photoelectic detector realize the observation and tracking for the object. It has comprehensive application value in army and cicil field. Most of present airborne platforms are analogic control system digital control system can improve the system general performance digital control is the development direction of platform systems. In view of the requirements of isolating disturbances and stabilizing optical axis of high-precision photoelectric guidance system a three-axis stabilized platform system centering on the rate gyro was designed. The disturbance-isolation theory of the stabilized platform was analyzed and the control structure including multiple closed-loops was designed. At last a controller of the servo system based on TMS320F2812 DSP has been designed. Experiment results meet the technical index and precision requirement and illustrate the practicability and effectiveness of the scheme. 2011 IEEE.

Application of CMOS APS star tracker with large FOV in attitude and angular velocity determination (EI CONFERENCE) 会议论文 OAI收割
Advanced Sensor Systems and Applications III, November 12, 2007 - November 14, 2007, Beijing, China
Lu D.; Guang J.; Shaoju W.; Tao C.

收藏 | 浏览/下载：30/0 | 提交时间：2013/03/25

The paper deals with the spacecraft attitude determination problem using a new kind of star tracker with large FOV based on CMOS APS. Star tracker has been developed since 1970s and proved to be the most accurate sensor ever used in the spacecraft attitude determination systems. But the traditional CCD star tracker also has some disadvantages such as small FOV high power consumption low sample rate and low working angular rate limit which prevent the use of CCD star tracker in attitude large angle maneuvering process. The new kind of star tracker based on CMOS APS has no such disadvantages and is more applicable on modern low-cost agile small satellites. Its higher sample rate and working angular rate limit over traditional CCD star tracker make it more adapt for spacecraft angular velocity determination. Because of the large FOV of the star tracker the mathematical model of traditional CCD star tracker with a small FOV is not appropriate. So a new mathematical model was quoted to fit the star tracker with a large FOV. An alternative adaptive algorithm was also introduced in the paper. It can help the EKF algorithm work lacking of accurate covariance of the observation noise. An optimal estimation algorithm was used to estimate the angular velocity directly from the star tracker measurements. Mathematic simulation results indicate the CMOS APS star tracker can give accurate attitude information and estimated angular rate. The method can be used as the chief attitude determination system design of low-cost satellite without gyros or be used as a backup strategy in the event of gyro failures to enhance the reliability of the attitude determination system.

Robust observers for neutral jumping systems with uncertain information 期刊论文 OAI收割
INFORMATION SCIENCES, 2006, 卷号: 176, 期号: 16, 页码: 2355-2385
作者: Mahmoud, Magdi S.; Shi, Peng; Yi, Jianqiang; Pan, Jeng-Shyang

收藏 | 浏览/下载：22/0 | 提交时间：2015/11/07

time-delay systems linear neutral systems robust observation stochastic stability state-delayed observers robust H-infinity observation