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长春光学精密机械与物... [2]
清华大学 [1]
兰州理工大学 [1]
西安交通大学 [1]
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会议论文 [3]
期刊论文 [2]
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2017 [1]
2011 [1]
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Design and Implementation of the Intelligent Streak Camera Control System Based on Internet of Things
期刊论文
Guangzi Xuebao/Acta Photonica Sinica, 2017, 卷号: 46
作者:
Lü, Bin
;
Pei, Cheng-Quan
;
Tian, Jin-Shou
;
Wen, Wen-Long
;
Wang, Jun-Feng
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  |  
浏览/下载:6/0
  |  
提交时间:2019/11/26
Adjustment accuracies
Camera control systems
Client-server models
Collaboration capabilities
Design and implementations
Distributed intelligent control
Ringing choke converters
Topological structure
Design of motion adjusting system for space camera based on ultrasonic motor (EI CONFERENCE)
会议论文
International Symposium on Photoelectronic Detection and Imaging 2011: Space Exploration Technologies and Applications, May 24, 2011 - May 26, 2011, Beijing, China
Xu K.
;
Jin G.
;
Gu S.
;
Yan Y.
;
Sun Z.
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浏览/下载:75/0
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提交时间:2013/03/25
Drift angle is a transverse intersection angle of vector of image motion of the space camera. Adjusting the angle could reduce the influence on image quality. Ultrasonic motor (USM) is a new type of actuator using ultrasonic wave stimulated by piezoelectric ceramics. They have many advantages in comparison with conventional electromagnetic motors. In this paper
some improvement was designed for control system of drift adjusting mechanism. Based on ultrasonic motor T-60 was designed the drift adjusting system
which is composed of the drift adjusting mechanical frame
the ultrasonic motor
the driver of Ultrasonic Motor
the photoelectric encoder and the drift adjusting controller. The TMS320F28335 DSP was adopted as the calculation and control processor
photoelectric encoder was used as sensor of position closed loop system and the voltage driving circuit designed as generator of ultrasonic wave. It was built the mathematic model of drive circuit of the ultrasonic motor T-60 using matlab modules. In order to verify the validity of the drift adjusting system
was introduced the source of the disturbance
and made simulation analysis. It designed the control systems of motor drive for drift adjusting system with the improved PID control. The drift angle adjusting system has such advantages as the small space
simple configuration
high position control precision
fine repeatability
self locking property and low powers. It showed that the system could accomplish the mission of drift angle adjusting excellent. 2011 SPIE.
Numerical simulation and control of molten droplet shape in short-circuit CO/sub 2/ arc welding
期刊论文
2010, 2010
Zhu Zhiming
;
Wu Wenkai
;
Chen Qiang
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浏览/下载:3/0
Vehicle objects detection of video images based on gray-scale characteristics
会议论文
Wuhan, Hubei, China, March 7, 2009 - March 8, 2009
作者:
Cao, Jie
;
Li, Li
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浏览/下载:0/0
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提交时间:2020/11/15
Education computing
Engineering education
Highway traffic control
Intelligent systems
Median filters
Object detection
Security systems
Television camera tubes
Vehicles
Background updates
Fast median filtering
Gray scale
Intelligent transportation systems
Vehicle detection
Video image
Real-time quality control on a smart camera (EI CONFERENCE)
会议论文
ICO20: Optical Information Processing, August 21, 2005 - August 26, 2005, Changchun, China
Xiao C.
;
Zhou H.
;
Li G.
;
Hao Z.
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浏览/下载:20/0
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提交时间:2013/03/25
A smart camera is composed of a video sensing
high-level video processing
communication and other affiliations within a single device. Such cameras are very important devices in quality control systems. This paper presents a prototyping development of a smart camera for quality control. The smart camera is divided to four parts: a CMOS sensor
a digital signal processor (DSP)
a CPLD and a display device. In order to improving the processing speed
low-level and high-level video processing algorithms are discussed to the embedded DSP-based platforms. The algorithms can quickly and automatic detect productions' quality defaults. All algorithms are tested under a Matlab-based prototyping implementation and migrated to the smart camera. The smart camera prototype automatic processes the video data and streams the results of the video data to the display devices and control devices. Control signals are send to produce-line to adjust the producing state within the required real-time constrains.
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