A Hybrid Offline/Online Modeling Based Tracking Control for Complex Hydraulic Driving Processes
The hydraulic actuators are widely used in industry for the fabrication of all sorts of products. Due to the complexity and strong nonlinearity, such as the time-varying and nonlinear deformation force and driving force as well as the nonlinear friction,
Xinjiang Lu, Yunxu Bai, Bin Fan, Hao Sui
doaj +1 more source
Modeling and Optimization of the Blade Structural Parameters for a Turbomolecular Pump
The development of high-performance mass spectrometer and vacuum coating technology has placed higher demand on the vacuum level of turbomolecular pumps (TMPs), which are required to possess a greater compression ratio and faster pumping speed.
Zhi Chen +3 more
doaj +1 more source
Vibration tests on vidicons made by improved method [PDF]
Sensitive method is used for checking the performance of vidicons in mechanical vibration tests. The image of the desired fine-detail test pattern is stored in the photosensitive surface of the vidicon while the system is free of mechanical vibration ...
core +1 more source
Selective Laser Sintering of Passive Dynamic Ankle-Foot Orthoses [PDF]
Passive dynamic ankle-foot orthoses (AFO’s) are used to improve gait performance in those with various neuromuscular disorders. An important design characteristic of passive dynamic AFOs is the storage and release of elastic energy within its structure
Crawford, Richard H. +3 more
core +1 more source
Investigation of Force-Controlled Polishing of Complex Curved PMMA Parts on a Machining Center
During the polishing process of complex curved PMMA parts, the polishing force is an important factor affecting the surface quality and optical performance. In this paper, a force-controlled polishing device integrated into a machining center to maintain
Xiangran Meng +5 more
doaj +1 more source
Understanding the impact performance of injection moulded long fibre reinforced polyamide [PDF]
Short fibre reinforced thermoplastics have been used in the automotive industry for many years and there has recently been a strong growth in the use of polyamide based materials in under-the-hood applications.
Thomason, J.L.
core
A Review on Mechanics and Mechanical Properties of 2D Materials - Graphene and Beyond [PDF]
Since the first successful synthesis of graphene just over a decade ago, a variety of two-dimensional (2D) materials (e.g., transition metal-dichalcogenides, hexagonal boron-nitride, etc.) have been discovered.
Akinwande, Deji +19 more
core +1 more source
ABSTRACT Background Kaposiform lymphangiomatosis (KLA) is an aggressive complex lymphatic anomaly. Patients exhibit malformed lymphatic vessels and often develop hemorrhagic effusions and elevated angiopoietin‐2 (Ang‐2) levels. A somatic NRAS p.Q61R (NRASQ61R) mutation has been associated with KLA.
C. Griffin McDaniel +3 more
wiley +1 more source
Flexible head-following motion planning for scalable and bendable continuum robots
Continuum robots, which are characterized by high length-to-diameter ratios and flexible structures, show great potential for various applications in confined and irregular environments.
Te Li +5 more
doaj +1 more source
Robust Clustered Support Vector Machine With Applications to Modeling of Practical Processes
Real datasets are often distributed nonlinearly. Although many least squares support vector machine (LS-SVM) methods have successfully modeled this kind of data using a divide-and-conquer strategy, they are often ineffective when nonlinear data are ...
Xin-Jiang Lu +3 more
doaj +1 more source

