The binocular vision measurement system is adopted to obtain the attitude of dynamic object. in which two CCDs are used and their optical axes are orthogonal. At first, the axis vector of the measured object is obtain...
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The binocular vision measurement system is adopted to obtain the attitude of dynamic object. in which two CCDs are used and their optical axes are orthogonal. At first, the axis vector of the measured object is obtained using the orthogonal principle of two CCDs'optical axes. Then the attitude of the moving object such as pitch angle, yaw angle and rotation angle can be obtained by the relationship between the axis vector and the attitude of the measured object. The results of experiment and analysis show that the measurement method has higher precision, and can meet the measurement requirements for the dynamic parameter of the moving object in a long distance.
This paper proposed a fuzzify functor as an extension of the concept of fuzzy *** fuzzify functor and the first-order operated fuzzy set are *** the theory analysis,it can be observed that when the fuzzify functor act...
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This paper proposed a fuzzify functor as an extension of the concept of fuzzy *** fuzzify functor and the first-order operated fuzzy set are *** the theory analysis,it can be observed that when the fuzzify functor acts on a simple crisp set,we get the first order fuzzy set or type-1 fuzzy *** operating the fuzzify functor on fuzzy sets,we get the higher order fuzzy sets or higher type fuzzy sets and their membership *** the fuzzify functor we can exactly describe the type-1 fuzz...
In this paper, according to the control requirement and actual project conditions of three-phase high power factor rectifier, the research of low switching losses three-phase PWM rectifier adopts hysteresis current co...
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ISBN:
(纸本)9781424438945
In this paper, according to the control requirement and actual project conditions of three-phase high power factor rectifier, the research of low switching losses three-phase PWM rectifier adopts hysteresis current control strategy which bases on load current feed-forward control. The system not only improves the high-frequency switching problem, but also makes that the system has much lower dependence on the PI parameters of the outer-loop voltage regulator than conventional hysteresis current control PWM rectifiers. The system works well even under unbalance power conditions. Both simulated and experimental results confirm the validity of the new control strategy and lower dependence on the PI parameters of the outerloop voltage regulator.
Based on the theory of wavelet analysis and principal component analysis, Multi-scale PCA is introduced which combines the ability of PCA to decorrelate the variables by extracting a linear relationship, with that of ...
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Linear TCSC damping controller is bad in adaptability and robustness, but its control strategy is simple and easy to be implemented;on the contrary, the nonlinear TCSC damping controller has the better adaptability an...
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According to the control requirement and actual project condition of three-phase high power factor rectifier, for the sake of eliminating inconstant switching frequency in the converter that brought on rather serious ...
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This paper realized the establishment of grey model for the uncertain part in terms of the analysis of current loop model in permanent-magnet synchronous motor (PMSM) close-loop control system in order to acquire impr...
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A new method of non-destructive quality inspection of fruits was investigated based on multi-spectral imaging technology, and the system was also developed, which consists of lighting chamber multi-spectral light sour...
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In the process of raisin production, there were a variety of color impurities, which needs be removed effectively. A new kind of efficient raisin color-sorting algorithm was presented here. First, the technology of im...
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In this paper, the virtual laboratory system as a research object carries out the needs analysis and the problem domain analysis about the system with the use of UML, establish the static and dynamic behavior model, o...
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