搜索结果: 1-15 共查到“工学 sliding”相关记录36条 . 查询时间(0.109 秒)
A SLIDING WINDOW METHOD FOR DETECTING CORNERS OF OPENINGS FROM TERRESTRIAL LIDAR DATA
Sliding Window Corners Detection Openings Detection LiDAR Point Clouds LoD3 Modelling
2018/11/9
Architectural building models (LoD3) consist of detailed wall and roof structures including openings, such as doors and windows. Openings are usually identified through corner and edge detection, base...
EVALUATING GEO-ASPECTS IMPLICATIONS ON LAND SLIDING IN HIMALAYAN TERRAIN IN A PART OF AIZWAL DISTRICT, MIZORAM STATE USING REMOTE SENSING AND GIS
terrain parameters landslides remote sensing and GIS
2015/8/31
Geology and geomorphology have a dominant control in the evolution of geo-aspects of a region. Remote sensing is an important
and effective aiding tool in geological- geomorphological mapping in the ...
SLIDING WINDOW FOR RELATIONS MAPPING
Contextual information Context sensitive preprocessing Contextual modeling Spatial covariance Correlation design Operator design
2015/2/3
In the contribution a new way of the correlation approach with sliding window is addressed for the inside relations
mapping and the use of the method for training, learning and for the image classifi...
Methodology for estimating the probability of failure by sliding in concrete gravity dams in the context of risk analysis
Dam safety Structural reliability Risk analysis Numerical modeling
2012/4/26
Dam safety based on risk analysis methodologies demand quantification of the risk of the dam-reservoir system. This means that, for a given initial state of the system, and for the several failure mod...
The caving and sliding control of surrounding rocks on large coal roadways affected by abutment pressure
Cable truss system Numerical simulation Coal roadway Abutment pressure
2012/3/28
For the caving and sliding control of roadways with large cross-section, thick mudstone roof and abutment pressure influence, the cable truss system is proposed and its support mechanism is thoroughly...
Neuro-sliding mode control of piezo-positioning mechanism
Neuro-Sliding mode Piezo-positioning mechanism LuGre model
2010/11/25
In this work, a Neuro-Sliding mode controller (NSMC) for piezo-positioning mechanism (PEA) was designed. This controller takes into account parameter uncertainties and unknown external disturbances. T...
Adsorption Performance of Sliding Wall-Climbing Robot
wall-climbing robot adsorption performance centrifugal impeller
2011/8/3
Sliding wall-climbing robot (SWCR) is applied worldwide for its continuous motion, however, considerable air leakage causes two problems: great power consumption and big noise, and they constraint the...
Fractional order sliding mode control with reaching law approach
Sliding mode control fractional order control reaching law approach
2010/10/12
Fractional order sliding mode control is studied in this paper. The control objectives are achieved by adopting the reaching law approach of sliding mode control. The main contribution of this work is...
静液传动系统自适应模糊滑模控制（Adaptive Fuzzy Sliding Mode Control for Hydrostatic Transmission System）
静液传动 滑模变结构控制 自适应模糊控制
2010/1/28
针对静液传动系统的速度控制问题，提出一种带有摩擦力矩补偿的自适应模糊滑模的设计方案。引入摩擦力矩动态补偿的方法，对摩擦力矩进行动态实时补偿，提高系统的响应速度和稳态误差。采用自适应模糊滑模控制解决因系统的不确定性及干扰的存在而不能准确控制的问题，使控制器的设计不依赖于被控对象的精确数学模型。基于李雅普诺夫函数推导出规则参数调整的自适应率，保证闭环控制系统的稳定性，并削弱了高频抖振。仿真结果表明该方...
SLIDING-MODE ADAPTIVE CONTROL OF PIONEER 3-DX WHEELED MOBILE ROBOT
Discrete-time Pioneer 3-DX model sliding-mode adaptive control on-line parameter estimation
2010/1/11
Parameter identification scheme and discrete-time adaptive sliding-mode controller applied to Pioneer 3-DX wheeled mobile robot (WMR) are presented in this paper. The dynamical model for mobile robot ...
Characteristic of polymer sliding materials using to work at elevated temperature
Tribological properties polymer composites Sliding composite Glass carbon Mechanical properties
2009/12/2
Purpose: The purpose of this project was to estimate the possibility of using glass carbon particleste as a
reinforced component of polymer matrix in composites. Application as a basic components mod...
阀控非对称缸系统多级滑模鲁棒自适应控制（Multiple Sliding Mode Robust Adaptive Control for Valve Controlled Asymmetric Cylinder System）
阀控非对称液压缸 多级滑模控制 自适应控制
2009/11/3
考虑阀控非对称缸系统的特性，设计了一种基于逆向递推方法的多级滑模鲁棒自适应控制器。首先采用Backstepping逆向递推技术和状态反馈线性化的方法，给出系统的多级滑模控制器。然后依据Lyapunov稳定性理论，得到系统不确定参数的自适应律，并在自适应控制中引入鲁棒控制的设计方法，实现对活塞位移的精确位置跟踪控制。实验结果表明，多级滑模鲁棒自适应控制具有较强的鲁棒性和良好的跟踪性能。
Theoretical And Experimental Analys Of Plastic Deformation Heat For Pim-Ring Sliding System Under Dry Friction Conditions
Sliding Friction Plastic Deformation Frictional Heat
2009/10/15
In this study, a theoretical model which can ensure the calculation of plastic deformation heat occured at the worn surfaces due to the friction during sliding was established and the validity of the ...
Robust Control of Active Suspensions Using Sliding Modes
Sliding mode Active suspension Ride comfort Robust control
2009/10/13
In this study, a four degrees of freedom vehicle model is used in order to design and check the performance of sliding mode controlled active suspensions. Force actuators are mounted parallel to the s...
Sliding Mode Control of a Multi-Degree-of-Freedom Structural System With Active Tuned Mass Damper
Sliding mode control active tuned mass damper (ATMD) multi-degree-of-freedom structure
2009/10/13
In this study, a sliding mode control system is designed for a multi-degree-of-freedom structure having an Active Tuned Mass Damper (ATMD) to suppress earthquake or wind induced vibration. Since the m...