14 Result(s)
within
**ao-Qing Ding
Engineering
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Article
Local corner smoothing algorithm for screw motor high-precision machining
Linear motion commands of multi-axis computer numerical control (CNC) machine tools need to be smoothed at the transition corners, because the velocity discontinuities at corners can result in fluctuations on ...
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Article
Recent progress in synthesis of composite powders and their applications in low-carbon refractories
The development of low-carbon refractories is of great significance, but it is limited by the deteriorated properties that resulted from the decreased graphite content. Incorporating composite powders has prov...
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Article
Incomplete smooth S-curve acceleration and deceleration feedrate planning modeling and analysis
The toolpath smoothing and feedrate scheduling in computer numerical control (CNC) system are critical for high-speed and high-precision machining. The existing toolpath smoothing schemes perform insufficientl...
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Article
High-precision machining technology based on analytical method for integral impeller with flank milling
The paper first introduces R offset tool axis error calculation method. In order to reduce the maximum machining error, the paper presents a new geometric model of tool axis vector for flank milling non-develo...
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Chapter and Conference Paper
Pozzolanic Properties of Municipal Solid Waste Incineration (MSWI) Fly Ash Under the Actions of Three Different Activators
This study investigated the pozzolanic capacity of MSWI fly ash in the solidification process. The MSWI fly ash were solidified by using three kinds of activators, i.e., Na2CO3, CaSO4 and Na2SiO3, they were all c...
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Article
Open and portable NURBS interpolator based on quantum framework
In order to solve the embedded NURBS interpolator closed structure problem, this paper proposes a NURBS interpolator based on quantum framework software bus architecture. Firstly, the NURBS interpolator trajec...
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Article
Reconstruction of stability for Gaussian spatial solitons in quintic–septimal nonlinear materials under \({{\varvec{\mathcal {P}}}}{\varvec{\mathcal {T}}}\) -symmetric potentials
Gaussian spatial soliton solutions of both the constant-coefficient and variable-coefficient (2 + 1)-dimensional nonlinear Schrödinger equations in quintic–septimal nonlinear materials with different diffracti...
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Article
Two-dimensional localized Peregrine solution and breather excited in a variable-coefficient nonlinear Schrödinger equation with partial nonlocality
Hierarchies of Peregrine solution and breather solution are derived in a (2+1)-dimensional variable-coefficient nonlinear Schrödinger equation with partial nonlocality. Based on these solutions, we study the c...
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Article
Soliton dynamics in the three-spine \(\alpha \) -helical protein with inhomogeneous effect
We study a three-coupled variable-coefficient nonlinear Schrödinger equation, which describes soliton dynamics in the three-spine $$\a...
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Article
Vertical structure and dominating factors of sand body during Late Triassic Chang 9 time of Yanchang Formation in Ordos Basin, NW China
Based on a synthetic geological study of drilling, well logging and core observations, two main genetic types of Chang 9 sand body in Odors Basin were recognized, which included two effects, that is, delta env...
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Article
Dynamic response of cylindrical cavity to anti-plane impact load by using analytical approach
The transient response of an unlimited cylindrical cavity buried in the infinite elastic soil subjected to an anti-plane impact load along the cavern axis direction was studied. Using Laplace transform combini...
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Article
Influence of Inactivation Treatment of Ship’s Ballast Water on Corrosion Resistance of Ship Steel Plate
The effect of seawater after ultraviolet inactivation on corrosion of a shipbuilding steel plate was investigated by means of natural corrosion potential experiments and immersion corrosion lest. The effects o...
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Article
Recognition of 3-D objects based on Markov random field models
The recognition of 3-D objects is quite a difficult task for computer vision systems. This paper presents a new object framework, which utilizes densely sampled grids with different resolutions to represent th...
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Article
Open-Set Face Verification Algorithm Using Competitive Negative Samples
A novel face verification algorithm using competitive negative samples is proposed. In the algorithm, the tested face matches not only with the claimed client face but also with competitive negative samples, a...
