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In this paper, a data-driven multiblock concurrent projection to latent structures (CPLS) method is proposed for monitoring large-scale manufacturing lines, particularly for cold rolling continuous annealing processes (CAPs) fault diagnosis. The proposed method provides decentralized process monitoring and helps localize faults in both input variables and output variables concurrently. First, the...
The hot-formed sheet steel is successfully applied on a vehicle by analysis of simulation test of strength, material and third point curve. The application of this material can increase not only the strength but also improve energy-absorbing efficiency. Meanwhile, the lightweight is not only achieved but also the vehicle safety crash is improved.
The corrosion state of various components was investigated to improve anti-corrosion performance of automobile by vehicle accelerated corrosion test and parts neutral salt spray test respectively. The corrosion reasons of typical parts such as galvanized bolt, galvanized pipe, painting support, constant velocity drive shaft, were analyzed in this paper. An improvement solution was presented to adopt...
The NVH material is widely used on a vehicle as one of important means to improve auto NVH performance. The composition, operational mechanism, application area and performance features of three NVH materials such as damping, strengthening and sound absorption material are discussed in this paper. Moreover, specific application of three materials is introduced in combination with some vibration-damping...
The health, comfort and safety of a passenger are closely related to the air quality in a vehicle. In this paper, the research is performed to reduce VOC pollution inside the vehicle. The influence of VOC content of parts such as rubber, plastic, foaming on interior air quality is introduced. Moreover, the VOC pollution of parts, such as weather strip, central console and seat, is analyzed and solutions...
To reply with the recycling rules of the world and persistent progress of vehicle, it is necessary to develop European “RRR” type-approval. The background, content and process of proprietary brand's “RRR” type-approval were introduced. Calculation methods of recycling rate and recovery rate were also described.
This paper simulates dynamic responses of single-layer elliptical paraboloid latticed shells under impact based on rate-dependent isotropic hardening material model, master-slave contact point searching method and penalty function method. Node displacement and structural energy are analyzed under impact of freely falling with certain initial height. The dynamic buckling of plasticity is judged according...
Chinese medicinal insects were added into the media to investigate their effects on the mycelial growth and polysaccharide formation by Ganoderma lucidum SCIM 0819. The experiments were carried out in submerged fermentation using shake flasks. The results show that addition of C. molossus at 5.0 g/L lead to significant increase in intracellular polysaccharides (IPS) concentration from 1.48 ± 0.12...
Water and chloroform extracts of various Chinese medicinal insects were added into the medium of Ganodermasinense to investigate the effects of the extracts on production of biomass, intracellular polysaccharides (IPS), and extracellular polysaccharides (EPS). The results showed that chloroform extract of E. sinensis (CES) at 55 mg/L lead to significant increase in both biomass and IPS concentration...
In this paper, the design of material structure and device structure , fabrication processing and characterization on GaAs based Resonant Tunneling Transistor (RTT) with groove and self-aligned gate structure have been described completely and systematically .The experimental results measured from our fabricated RTT show that : the maximum value of Peak to Valley Current Ratio (PVCR) is 46, the transconductance...
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