The reaction of dissolved organic matter (DOM) with sodium borohydride has been used to understand the geographic origin DOM and investigate photophysical model underlying DOM's optical properties. However, physicochemical properties (e.g., molecular size charge) that influence kinetics ultimate reducibility by remain poorly characterized. Herein, we studied DOM-borohydride reactions recording absorbance fluorescence spectra at a high temporal frequency (every ∼10 min for 24 h) diverse set...

As an important accessory and control core of pneumatic regulating valves, intelligent positioners play a crucial role in industrial process control. Aiming at the requirements steady accurate valve low efficiency PID parameter tuning, scheme using selfish herd optimization algorithm to optimize is proposed. Based on physical characteristics system, system model was built Simulink. A objective function designed based practical enhance system's responsiveness while minimizing overshoot...

Replacing traditional manual spraying with robotic systems reduces inefficiencies, improves quality consistency, and mitigates occupational health risks, making it a significant advancement in industrial modernization. Achieving human-level expertise automated requires the integration of fuzzy logic neural networks to replicate expert decision-making processes. An augmented adaptive neuro-fuzzy inference system (ANFIS) has been developed optimized using Differential Evolutionary Enhanced...

In this article, various approaches are investigated and synthesized for real-time inspection of diversified fabric texture. Improved Gabor filter bank was proposed to detect defects by using its property steerable directions scales. Normal textured image processed with optimal then gauss smooth. Two threshold value thenormal will be determined, which considered as standard parameter segmenting defect areas. For some intense background texture images, analysis approach is the flaws. The...

The electricity consumption in the industry occupies considerable ratio gross compared with other sectors e.g. residential, agriculture etc. One crucial solution to this problem is optimize production structure. grand plan "Industry 4.0" provides a more adaptable and flexible perspective for smart factory. complexity of manufacturing system, on hand, has been enhanced. Machine learning algorithms are cluster excellent approaches control complex system stochastic process. In order improve...

The accuracy of the end-effector motion trajectory is a critical performance indicator for cable-driven parallel mechanisms. This study aims to address problem error during in mechanism. It proposes comprehensive compensation method based on simultaneous application improved sparrow search algorithm and cable length space algorithm, leveraging kinematic analysis. To compensate caused by geometric parameter error, establishes model mechanism using vector method. creates position differential...

Modern manufacturing systems are expected to undertake multiple tasks, flexible for extensive customization, and that trends make production become more complicated. The advantage of a complex system is capability fulfill intensive goods adapt various parameters in different conditions. disadvantage system, on the other hand, with pace increase complexity, lies control difficulties rising dramatically. Moreover, classical methods reluctant searching appropriate policy tends Thanks...

Increasing penetration of intermittent renewable generation, such as solar or wind, will lead to the deviation power grid frequency from normal due randomness output energy sources. Pumped storage can be used balance in a manner regulate grid. This paper presents feasibility study proposed pumped system meet NERC CPS2 standard response variable output. Studies are performed using dynamic electrical and hydraulic models hydro system.

Taking the Midpoint Injection type Bearingless Permanent Magnet Synchronous Motor (MPI-BL-PMSM) as an object, to solve its problems of large torque pulsation and insufficient suspension force when adopting Suspension Current Unilateral (MPSC-UI), a Bilateral (MPSC-BI) solution is proposed. Based on half-winding structure MPI-BL-PMSM, from electromechanical energy conversion principle, model for MPSC-BI established. On this basis, MPSC-UI method was derived. The correctness established...

Chemical reduction with sodium borohydride has been used for over four decades to probe the presence and function of carbonyl-containing moieties in dissolved organic matter (DOM). One these structure–property relationships is attenuation UV–visible absorbance after reduction, an effect that observed universally across DOM different origins. We previously demonstrated similar bulk physicochemical properties exhibits bifurcating reactivity depending on source (i.e., soil vs. aquatic), as...

Background: As an important branch of computer vision, visual measurement is a fast developing cutting-edge technology, which has been widely used in the manufacturing field. In recent years, feature size probes through small IC aroused wide concern. Objective: This study aims to take shaft parts as research object order provide full set novel and reliable technical means for three-dimension mechanical parts. Methods: Firstly, trinocular vision system based on curved cantilever mechanism was...

In The technology of surface alloying by electron beam had been developed as a new treatment in recent decades.Based on the introduction principle beam, focuses research status and brief Surface Intense pulsed pointed out method modification will occupy strong competitive advantage irreplaceable position.

To ensure the cutting speed during operation, this paper proposes a groove inference planning system that relies on production experience and set parameters is based machine vision two-level fuzzy neural hybrid network. The overall structure of designed, including mechanical body, system, contour information part obtained using industrial cameras digital image processing systems. trajectory segment inferred related secondary Finally, all are transmitted to PLC, so robot can work according...

For offshore crane in the operation process, due to suspension of lifting wire rope belongs flexible parts and wind, wave ocean environment .These cause load swing .A new type telescopic sleeve stabilizer was proposed .It uses casing rigid constraints reduce range .The pipe device introduced, principle modeling analysis carried on.

In this paper, multi-scale wavelet edge detection approach is investigated for real time inspection of diversified fabric texture. Multi-scale detectors smooth the signal at various scales and detect sharp variations points from their first or second order derivative. The extreme values derivative correspond to zero crossings inflection smoothed signal. Quadtree decomposition segmented defects shows pinpoint location specific web flaw. Further, preliminary graphical user interface (GUI) was...