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Research on System Identification Machine Based on USB2.0

Author: ZhaoWei
Tutor: LiuSiJiu
School: Harbin Institute of Technology
Course: Control Theory and Control Engineering
Keywords: USB2.0 System Identification Virtual instrument
CLC: TP391.4
Type: Master's thesis
Year: 2006
Downloads: 134
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Abstract


The development of the Universal Serial Bus USB 2.0 provides a new option for the virtual instrument bus . With the rapid development of science and technology , the various system identification is increasingly widespread. This paper has developed a USB 2.0 virtual instrument system identification machine , a unique development ideas and methods for the realization of the system identification provides a new way to meet these needs , and also USB2.0 application scope to virtual instruments and automated testing field . Based on the consideration of the versatility and flexibility of the virtual instrument developed , first establish a common interface based on USB2.0 control platform , including a common set of hardware circuit , firmware , system device drivers , and virtual instrument interface the library provides a very convenient, fast utility for the development of a variety of virtual equipment . With this development tool , according to the actual needs of the system identification machine , specially designed and developed two kinds of signal source equipment and data acquisition equipment based a USB2.0 virtual equipment , in accordance with the requirements of system identification to solve these two devices sync work problems. View of the linear differential equation model of an important position in the field of system identification , selection of the model , and to consider the impact of noise and model structure basic least squares , generalized least squares and extended least squares algorithm based , fully the use of a powerful general-purpose computer calculation and analysis , graphical display , document management , and human-computer interaction to complete the application software development for system identification machine . Machine recognition from two aspects of the application of the mathematical simulation process and physical identification test process complete system identification machine hardware and software development , the identification experiment , the experimental results show that the effective identification system identification machine linear system is expected to become a practical test equipment .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Information processing (information processing) > Pattern Recognition and devices
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