As the price of carbon credit gradually reflects the economic value caused by the scarcity of atmospheric environmental capacity, the cost structure in manufacturing enterprises’ products will be changed greatly. As an indispensable element of components, carbon credit will become an important cost component...

Through the three-dimensional solid fiber model built by ANSYS finite element software, it calculated and analyzed the torsional mechanical (stress / strain) performance of cotton, wool, polyester and other fibers. In contrast with the experimental results, it validates the feasibility and effectiveness...

In this study, surrogate assisted teaching learning based optimisation was conducted for designing a non-circular drawing (NCD) sequence in order to improve the deformation homogeneity of the drawn wire. The objective function was introduced to minimise inhomogeneous distribution of effective strain...

Based on the fluctuation of the stock market and the dynamic tracking features of Kalman filter, taking stock of Changbaishan (603099) as an example, the variation process of stock price is viewed as a maneuvering system and the state-space model of stock price can be established. The forecasting result...

The influence of different grain shape on the grinding characteristics was simulated based on DEFORM in grinding superalloy-incone. The grinding force, heat flux and maximum grinding temperature were studied in different grain shapes. Results indicated that increasing of the edges number of the multi-pyramid,...

With regard to the problem of ranking alternatives in green manufacturing process evaluation based on ordinal preference information with uncertain weight vector of attributes, a robust optimization analysis method is proposed. Firstly, the basic concepts and characters of ordinal interval preference...

The results of experimental and calculative estimation of elastic-plastic mechanics of bus body construction in conditions of rollover are presented. The dynamical behaviors of light commercial (LCV) bus structures are described. The analysis of approaches that could be used for estimation of buses passive...

It is of vital importance to evaluate scientifically and accurately the ability of military logistics distribution center for promoting distribution efficiency and satisfying war requirements. Faced with the problem of low accuracy in evaluating the ability of current military logistics distribution...

In this paper, the author uses DME as an additive to methanol diesel, and uses AVL-Fire software to make a simulation analysis to mixed fuel. In the analysis, the mass ratio is fixed by a methanol content of 12% unchanged. The content of diesel oil are respectively 70%, 60%, 50%, and 40%, and the rest...

This paper explains the concept of exhibition prop, analyzes the characteristics of the artistic exhibition props based on the semiotic theory, studies the design methods of exhibition props from the perspective of semiology, discusses the whole process from element extraction to symbol generation and...

User research of planetarium can effectively obtain the real needs of users. This paper presents the design principle of exhibition project of planetarium, by survey the extent of understanding astronomical knowledge of 300 primary and secondary school students in central China and gains their needs...

The centre diaphragm is a key part of the silicon piezoresistive pressure sensor with three diaphragms structure which is one major matter to the sensitivity of the output pressure value. The characteristics between the deflection at the center of the circular diaphragm and the pressure loaded on it...

High-order harmonic flux and current of permanent magnet synchronous motor (PMSM) are generated by the distortion of air-gap magnetic field and the nonlinear characteristics of inverter, resulting in the ripple of electromagnetic torque. In this paper, a novel harmonic compensation algorithm was proposed...

A new kind of amphiphilic derivatives of chitosan, O-hydroxypropyl-N-laurel acyl chitosan(O-HP-N-LACHS) ramification were synthesized. The chemical structures of the chitosan derivatives were characterized by FTIR, 1HNMR. The surface and aggregate properties were studied by means of surface tension and...

This paper discusses a problem that loess dynamic settlement occurs and changes lager under locomotive vibration load during the high speed railway is running. In order to solve the problem efficiently, we firstly do a group of experiments about dynamic triaxial test of loess. This method does not require...

Electro Spark Erosion also known as the Electro Discharge Machining (EDM) technology is an important part of the advanced manufacturing technology and an important complement and development of machinery manufacturing in terms of mechanical cutting and grinding. EDM technology has become a significant...

Taking a Schwedler spherical reticulated shell structure as the research object, using ANSYS finite element software, it analyzed the natural frequency and discussed the effect of self vibration frequency of the rise to span ratio, provided valuable reference for the design and analysis of this kind...

Friction surfacing technology is a new type of solid-state processing technology. In friction surfacing, a viscoplasticized solid state region is generated resulting in a metallic bond between the plasticized material and the substrate. Friction surfacing has the unique advantage, but some shortcomings...

This study investigates the configuration and optimization of an energy system for Polymeric electrolyte membrane fuel cell (PEMFC) based hybrid vehicle. The energy system determines the fuel economy and dynamic performance of the vehicle. Hence, this investigation stresses the optimal energy distribution...

The study which focuses on the driving feelings of pilots and quantifies the emotional intention of users based on the Kansei Engineering put forward a new research direction and method of the control interface design of civil aircraft. The study applies the design methods of Kansei Engineering such...

Aiming at the problem of automatic interpretation of analog instrument’s dial indicating data, make the automatic interpretation solution, analyzing the relevant techniques and solving the key technical problems, so as to provide reference for realization of automatic calibration for analog meter.