Results 21 to 30 of about 62,526 (295)
Sensors, 2021 Surface flatness assessment is necessary for quality control of metal sheets manufactured from steel coils by roll leveling and cutting. Mechanical-contact-based flatness sensors are being replaced by modern laser-based optical sensors that deliver ...
Marcos Alonso +4 more
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Objective evaluation model of sewing flatness based on deep belief network
Xi'an Gongcheng Daxue xuebao, 2023 In view of the low accuracy of objective automatic evaluation of fabric sewing flatness, an objective evaluation model of fabric sewing flatness based on feature parameters and deep belief network (DBN) is proposed. Firstly, image preprocessing including
HU Sheng +3 more
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Satellite Flatness based Fault Tolerant Control
International Journal of Computer Applications, 2014 Applying flat systems technique in attitude fault tolerant control of an under-actuated satellite has been investigated in this article. The main purpose of this study is development and implementation of a new idea in order to recovery of satellite stability and its acceptable performance in actuator fault scenarios.
R. Esmaelzadeh +2 more
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IEEE Access, 2019 Vehicle handing stability under the combined acceleration steering and braking steering conditions has a great impact on the vehicle safety. Therefore, the coupled steering and driving/braking stability control is essential.
Yuqiong Wang +4 more
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In-domain control of a heat equation: an approach combining zero-dynamics inverse and differential flatness [PDF]
, 2015 This paper addresses the set-point control problem of a heat equation with in-domain actuation. The proposed scheme is based on the framework of zero dynamics inverse combined with flat system control.
Zheng, Jun, Zhu, Guchuan
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Flatness-Based Control for the Maximum Power Point Tracking in a Photovoltaic System
Energies, 2019 Solar energy harvesting using Photovoltaic (PV) systems is one of the most popular sources of renewable energy, however the main drawback of PV systems is their low conversion efficiency.
Leopoldo Gil-Antonio +5 more
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Accuracy of Surface Plate Measurements - General Purpose Software for Flatness Measurement [PDF]
, 1990 Flatness departures of surface plates are generally obtained from straightness measurements of lines on the surface. A computer program has been developed for on-line measurement and evaluation, based on the simultaneous coupling of measurements in all ...
Heuvelman, C.J., Meijer, J.
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Discrete-time flatness-based control of a gantry crane
Control Engineering Practice, 2022 This article addresses the design of a discrete-time flatness-based tracking control for a gantry crane and demonstrates the practical applicability of the approach by measurement results. The required sampled-data model is derived by an Euler-discretization with a prior state transformation in such a way that the flatness of the continuous-time system
Johannes Diwold +2 more
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Flatness-Based High Frequency Control of a Hydraulic Actuator [PDF]
Journal of Dynamic Systems, Measurement, and Control, 2011 This paper presents the design and implementation of a nonlinear feedforward control algorithm for a hydraulic actuator driven by a multistage servo valve. Combined with a conventional feedback control algorithm, high frequencies can be achieved even for large-scale strokes.
Kock, Florian, Ferrari, Cornelius
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Real-Time Trajectory Planning and Control for Constrained UAV Based on Differential Flatness
International Journal of Aerospace Engineering, 2022 The trajectory planning of UAV with nonholonomic constraints is usually taken as differential algebraic equation to solve the optimal control problem of functional extremum under the condition of inequality constraints.
Dongli Wu +4 more
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