نتایج جستجو برای: assuming a planar fault
تعداد نتایج: 13463591 فیلتر نتایج به سال:
Surfactants can have a detrimental effect on the drag reduction in shear flow over superhydrophobic surfaces Cassie state. Assuming an incompressible, inviscid surfactant phase at gas-liquid interfaces, we study liquid array of narrow gas-filled grooves embedded otherwise planar surface, with interface protruding above or below plane. A recirculating develops such that slip length for is much s...
A closed-form dynamic model of the planar multi-link flexible manipulator is presented. The assumed modes method used with Lagrangian formulation to obtain equations motion. Explicit motion are derived for a three-link case assuming two vibration each link. eigenvalue problem associated mass boundary conditions, which changes robot configuration and payload, discussed. time-domain simulation re...
High-entropy alloys (HEAs) are a new class of multi-component alloys that exhibit surprising characteristics, [1] including very large strain hardening rates, large fracture toughness at room temperature [2], and a strong temperature dependence of yield strength at or below room temperature. These properties are closely linked to nano-twinning and dislocation-mediated plasticity, yet little exp...
This paper presents a method for diagnosis of eccentricity fault in a switched-reluctance motor (SRM) during offline and standstill modes. In this method, the fault signature is differential induced voltage (DIV) achieved by injecting diagnostic pulses to the motor windings. It will be demonstrated by means of results that there is a correlation between differential induced voltage and eccentri...
This paper presents a novel approach for fault type estimation in power systems. The Fault type estimation is the first step to estimate instantaneous voltage, voltage sag magnitude and duration in a three-phase system at fault duration. The approach is based on time-domain state estimation where redundant measurements are available. The current based model allows a linear mapping between the m...
Three-dimensional Network-On-Chips (3D NOC) are the most efficient communication structures for complex multi-processor System-On-Chips (SOC). Such structures utilize short vertical interconnects in 3D ICs together with scalability of NOC to improve performance of communications in SOCs. By scaling trends in 3D integration, probability of fault occurrence increases that leads to low yield of li...
A new Fault Tolerant Controller (FTC) has been presented in this research by integrating a Fault Detection and Diagnosis (FDD) mechanism in a nonlinear model predictive controller framework. The proposed FDD utilizes a Multi-Sensor Data Fusion (MSDF) methodology to enhance its reliability and estimation accuracy. An augmented state-vector model is developed to incorporate the occurred senso...
Distant supervision (DS) is a method for training sentence-level information extraction models using only an unlabeled corpus and a knowledge base (KB). Fundamental to many DS approaches is the assumption that KB facts are expressed at least once (EALO) in the text corpus. Often, however, KB facts are actually expressed in the corpus many times, in which cases EALO-based systems underuse the av...
The formation energy of the interface between face-centered cubic (fcc) and hexagonal close packed (hcp) structures is a key parameter in determining the stacking fault energy (SFE) of fcc metals and alloys using thermodynamic calculations. It is often assumed that the contribution of the planar fault energy to the SFE has the same order of magnitude as the bulk part, and thus the lack of preci...
This paper presents an interconnect resilient (IR) methodology with maximal interconnect fault tolerance, yield, and reliability for both single and multiple interconnect faults under stuck-at and open fault models. By exploiting multiple routes inherent in an interconnect structure, this method can tolerate faulty connections by efficiently finding alternative paths. The proposed approach is c...
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