نتایج جستجو برای: sliding support
تعداد نتایج: 681036 فیلتر نتایج به سال:
DNA nucleotide mismatches and lesions arise on chromosomes that are a complex assortment of protein and DNA (chromatin). The fundamental unit of chromatin is a nucleosome that contains approximately 146 bp DNA wrapped around an H2A, H2B, H3, and H4 histone octamer. We demonstrate that the mismatch recognition heterodimer hMSH2-hMSH6 disassembles a nucleosome. Disassembly requires a mismatch tha...
Sliding window is an interesting model for frequent pattern mining over data stream due to handling concept change by considering recent data. In this study, a novel approximate algorithm for frequent itemset mining is proposed which operates in both transactional and time sensitive sliding window model. This algorithm divides the current window into a set of partitions and estimates the suppor...
In this paper, the effects of the restoring force device on the response of a space frame structure resting on sliding type of bearing with a restoring force device is studied. The NS component of the El Centro earthquake and harmonic ground acceleration is considered for earthquake excitation. The structure is modeled by considering six-degrees of freedom (three translations and three rotation...
This study investigated the influence of the presence and timing of cutaneous vibration cues supplied to the finger pad on the perception of slip of a contact surface slid beneath it. We designed an apparatus that made it possible to supply precisely controlled shear force, sliding displacement and vibration cues to the finger pad via a moving surface. We conducted an experiment to assess the e...
In this paper we present the Dual Support Apriori for Temporal data (DSAT) algorithm. This is a novel technique for discovering Jumping Emerging Patterns (JEPs) from time series data using a sliding window technique. Our approach is particularly effective when performing trend analysis in order to explore the itemset variations over time. Our proposed framework is different from the previous wo...
This paper investigates the robust ∞ H sliding mode control problem for a class of uncertain switched delay systems. A single sliding surface is constructed such that the reduced-order equivalent sliding motion restricted to the sliding surface is completely invariant to all admissible uncertainties. For cases of known delay and unknown delay, the existence conditions of the sliding surface are...
In this paper, a new approach to the super-twisting sliding mode control of uncertain systems is proposed. The idea behind this control scheme is to utilize an adaptive sliding surface function, in which the slope of the surface is updated on-line using a simple single input-single output fuzzy logic inference system so that the sliding surface is rotated in such a direction that the tracking p...
they turned out to be lung overinflation and subcutaneous emphysema on computed tomography. In severe cases of lung overinflation, there is a minimal expansion of lung on inspiration leading to minimal lung sliding seen on US. It can be mistaken as a lack of lung sliding. Moreover, in subcutaneous emphysema, pockets of air in subcutaneous tissues make identification of pleural line difficult, l...
This paper is about the design of a Sliding Mode Controller (SMC), with modified PI-D sliding surface, for the control of First Order Plus Dead Time (FOPDT) process. In the modified PI-D sliding surface, error is connected to the proportional and integral elements of the controller, and the derivative of the system output is connected to derivative element of the controller. The usage of PI-D s...
Path following control problem of autonomous vehicles is investigated, concerning both unmeasurable sliding effects and lateral disturbances which lead to some difficulties in designing autonomous control under complex environment. To deal with the sliding effects, sideslip angles are modeled and reconstructed by estimating the tire cornering stiffness, which plays important role in analyzing t...
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