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基于SLIP模型的液压驱动单腿机器人竖直跳跃控制
弹簧倒立摆 单腿机器人 液压驱动 竖直跳跃
2019/3/5
针对液压驱动足式机器人竖直跳跃控制，提出一种基于SLIP竖直跳跃动力学模型实现液压驱动机器人竖直跳跃的控制策略。分析SLIP竖直跳跃动力学模型并求解其动力学微分方程得到质心运动轨迹，将关节型单腿机器人竖直跳跃髋部的运动轨迹映射到SLIP模型质心的运动轨迹，通过机器人运动学逆解得到机器人关节运动轨迹，以此驱动关节运动；同时建立关节型单腿机器人竖直跳跃动力学方程和液压驱动执行器动力学方程，应用MATL...
The Dihedral Angle and Intersection Processes of a Conjugate Strike-Slip Fault System in the Tarim Basin, NW China
Conjugate fault strike-slip dihedral angle fault intersection faulting process Carbonate
2018/4/10
Recent studies, focused on dihedral angles and intersection processes, have increased understandings of conjugate fault mechanisms. We present new 3-D seismic data and microstructural core analysis in...
Correction of source-rock permeability measurements owing to slip flow and Knudsen diffusion: a method and its evaluation
Shale gas Permeability Knudsen diffusion Unconventional reservoir Source rock
2018/4/2
Source-rock permeability is a key parameter that controls the gas production rate from unconventional reservoirs. Measured source-rock permeability in the laboratory, however, is not an intrinsic prop...
COSEISMIC DEFORMATION FIELD AND FAULT SLIP DISTRIBUTION OF THE 2015 CHILE Mw8.3 EARTHQUAKE
Chile earthquake InSAR coseismic deformation slip distribution inversion
2016/11/24
On September 16, 2015, a magnitude 8.3 earthquake struck west of Illapel, Chile. We analyzed Sentinel-1A/IW InSAR data on the descending track acquired before and after the Chile Mw8.3 earthquake of 1...
Paleoearthquakes and slip rates of the North Tabriz Fault,NW Iran:preliminary results
active tectonics paleoseismology Iran Tabriz earthquake
2015/9/16
The North Tabriz Fault is a major seismogenic fault in NW Iran. The last damaging earthquakes on this fault occurred in 1721, rupturing the southeastern fault segment, and in 1780, rupturing the north...
Paleoseismology and slip rate of the Conway Segment of the Hope Faultat Greenburn Stream,South Island,New Zealand
Hope Fault paleoseismicity ConwaySegment Kaikoura neotectonics slip rate recurrence NZMS 260 sheet 031
2015/9/16
The Conway Segment of the dextral-slip Hope Fault is one of the fastest slipping fault segments along New Zealand s plate boundary, but has not ruptured co-seismically in the historic period and littl...
Slip weakening, strain and short-termpreseismic disturbances
slip weakening accelerated creep short-term earthquake precursor strain spatialtemporalscale mosaic pattern teleseismic effects
2015/9/14
The problem of short-term earthquake precursors is discussed. In contrast to the increasing number of reports on short-lived precursors of various types, direct strain measurements cannot detect clear...
Static stress transfer from the May 20,2012,M 6.1 Emilia-Romagna (northern Italy) earthquake using a co-seismic slip distribution model
Stress Transfer Slip distribution Italy
2015/8/26
We model the static stress transfer for the May 2012 northern Italy earthquakes, assuming that failure of the crust occurs by shear. This allows the mechanics of the process to be approximated by the ...
TRAVELING WAVES IN 2D REACTIVE BOUSSINESQ SYSTEMS WITH NO-SLIP BOUNDARY CONDITIONS
TRAVELING WAVES 2D REACTIVE BOUSSINESQ SYSTEMS NO-SLIP BOUNDARY CONDITIONS
2015/7/14
We consider systems of reactive Boussinesq equations in two dimensional strips that are not aligned with gravity s direction. We prove that for any width of such strips and for arbitrary Rayleigh and ...
Variant Musculo-tendinous Slip between Teres major and Triceps brachii
Limb bud Myogenic cells Scapula Teres major Triceps brachii
2015/7/10
A variation of the muscles of the scapular region is a very rare finding. During the routine dissection for the undergraduates, a variant short musculo-tendinous slip in between the teres major and th...
Continuum mathematical modeling of slip weakening in geological systems
Continuum mathematical modeling slip weakening geological systems
2015/7/1
Deformation of the Earth’s crust from tectonic forces involves both diffuse elastic and plastic strains, rigid body translations and rotations, and localized deformations concentrated along narrow fau...
Mechanical models of fracture reactivation and slip on bedding surfaces during folding of the asymmetric anticline at Sheep Mountain,Wyoming
Fold Fracture reactivation Bed parallel slip FEM modeling Frictional contact Sheep Mountain,Wyoming
2015/7/1
We use finite element methods to investigate the reactivation of fractures (opening and shearing) and the development of bedding-surface slip during the deformation of the asymmetric anticline at Shee...
Effect of Slip on Flow Past Superhydrophobic Cylinders
Slip on Flow Past Superhydrophobic Cylinders
2014/10/23
Superhydrophobic surfaces are a class of surfaces that have a microscale roughness imposed on an already hydrophobic surface, akin to a lotus leaf. These surfaces have been shown to produce significan...
Rake rotation introduces ambiguity in the formulation of slip-dependent constitutive models: slip modulus or slip path?
Constitutive laws Slip-weakening Rake rotation Dynamic models of faults
2015/8/18
The linear slip–weakening (SW) law, predicting that the traction decreases for increasing fault slip, is one of the most widely adopted governing models to describe the traction evolution and the stre...
TRA VELING W A VES IN 2D REACTIVE BOUSSINESQ SYSTEMS WITH NO-SLIP BOUNDAR Y CONDITIONS
TRAVELING WAVES IN 2D REACTIVE BOUSSINESQ SYSTEMS NO-SLIP BOUNDARY CONDITIONS
2014/4/4
We consider systems of reactive Boussinesq equations in two dimensional strips that are not aligned with gravity's direction. We prove that for any width of such strips and for arbitrary Rayleigh and ...