In order to develop and improve the design of a new type of vehicle frame, this paper illustrates the modeling and simulation of a new type of vehicle frame. Modeling of the frame was done via UG NX6.0, and simulation of the frame was done through ANSYS 12.0. Based on the simulation results, component...

The paper applies game theory to study joining behavior of core enterprises and cluster partners during the process of clustering development of creative industry, and it establishes the game model by employing discount factor, income risk coefficient, synergistic coefficient, creative industrial cluster’s...

The paper studied paired comparison method, system researching experiments design, process, data analysis, and misjudgment analysis, etc. Paired comparison method has their own advantages; experimental data reliability and accuracy need to be further validation. The paper using Pearson correlation coefficient...

As Automated Visual Inspection (AVI ) is more advantageous than traditional inspection in high precision, non-contact and automation, it has become one of the hotspots in the research of contemporary computer technology. After the introduction of the definition of AVI, the system of typical AVI is discussed,...

SolidWorks was used to create a three dimensional mechanical model of portable optical fiber SPR food detector. The total deformation and stress figures of the optical fiber SPR detector were analyzed by using SimulationXpress subjected to finite element analysis. In order to achieve the device’s portability...

In the present paper a deepwater semi-submersible drilling platform is taken as the research object. The capability analysis of DP system is studied. Based on API and MARINE the external environment loads on the platform are calculated and researched. The model of dynamic positioning motion is created...

As products become increasingly complex, there are always more than one simple mechanisms that induce failure to the products, and failure modes are competing or dependent with each other rather than independent. Furthermore, the criterion to determine the failure state cannot be generalized to be a...

Aiming the traditional predictive function control can’t control the nonlinear and changeful object effectively, the disadvantages of obtaining control in approximate ways are analyzed, and the optimality criterion based on genetic algorithm is proposed in this paper. During the simulation of a heat...

The cooperative vehicle infrastructure system (CVIS) is currently the hot spot in the field of world transportation, but also the important development direction of the intelligent system of traffic in the future. This article combinations the present status of development of the cooperative vehicle...

The paper has discussed the effect of dynamic contact behaviour on dynamics characteristics and contact nonlinear frequencies of multibody systems with geometric, physical and load parameters and motion conditions. In the work presented, a linearization method for contact nonlinear frequencies of constrained...

Single fin deviation and thrust deviation will cause ballistic dispersion to floating ballistic on carrier. By establishing kinematic equation of underwater six-degree-of-freedom for carrier, it’s analyzed that angular velocity of rotation has obvious effect in inhibiting ballistic dispersion, and angular...

The dynamic parameter of the large space manipulator is the foundation of the design of the control box, the accuracy of the parameters is key to the feature of the manipulator. So a dynamic model of the flexible robotic manipulator is built, and some identification researches are carried out. Based...

In view of there is a room for improvement for the accuracy in using the slip and fall judgment condition proposed in early time, in addition, slips and falls are easier to happen at the time of downward walking, so, through orthogonal tests in terms of sole material, ground material, contaminated medium...

The Stewart platform has characteristics of low natural frequency, antagonistic design objectives and always no analytical expression of both objective functions and constraints which make it difficult to obtain optimum performance with high dynamic performance. Compared with the traditional adopting...

The purpose of the spare parts inventory is used to maintain the normal operation of the equipment,the best metric to measure the merits of the spare parts inventory levels is the use of security equipment.Therefore,Under the constraint of the total supply of spare parts cost,based on spare parts of...

In order to prevent severity traffic accident on freeway caused by tire blowout, it is necessary to monitor the tire pressure in real time. This paper established a linear model between the force and the slip to estimate the tire radius through least square ,where only ABS wheel speed sensors were used....

Fluent is used for simulation calculation fluid flow and component transport and chemical reaction CFD general software, are widely used in engineering field and scientific research. Introduces the basic characteristics of fluent software, the application of fluid mechanics theory and method, this paper...

According to the orthogonal experimental method, the influences of the feeding sequence, premixing time and final mixing time on the permeability, green compressive strength, green splitting strength and shatter index are studied when the interactions of the factors are considered. The results show that...

Fiber optical hydrophone with high sensitivity attracts more and more attentions in recent years. In this paper, the packaging structures of the hydrophone are simulated based on ANSYS, finite element analysis software. Polyurethane is adopted to design a cylindrical hydrophone and an ellipsoidal hydrophone....

With the increasing tension of fossil energy resources and the development of new energy utilization, the world is undergoing profound changes in energy. Based on the analysis of the world energy trends, this paper gives a thorough expounded analysis on China's energy situation and challenges comprehensively,...

Drilling riser is the key equipment that connects subsea wellhead to drilling platform. The security of drilling riser concerns whether the drilling operation can be completed successfully. Drilling riser suffers fatigue damage as a result of its vibration under environmental loads. This paper established...

In this paper, the concept and characters of Agent technology are researched. By applying Agent technology into Military Simulation System, a Military Simulation System framework based on Multi-Agent technology is put forward. Each Agent, model warehouse, knowledge warehouse and database of the Military...

Based on the pole placement design technique, a full state feed back controller using separation factor is proposed to stabilize a real single inverted pendulum. The strategy is to start with selection two dominant poles that achieve a certain desired performance, using a separation factor between the...

On the basis of fairness theory, relationship marketing theory and social exchange theory, this manuscript develops a conceptual model to confirm three perceived fairness ( distributive fairness, procedural fairness and interactional fairness), as well as three kinds of relationship quality ( satisfaction,...

One pattern of patch antenna with the function of reconfiguration is presented. This antenna is composed of one rectangle patch and two U-shape patches .They can be connected by RF MEMS (micro electromechanical systems for RF circuits) switches. By controlling the states of these RF MEMS switches, the...

Water-entry is a very difficult problem whether in theoretical analysis, in experiment analysis or in numerical simulation. In this paper, the high-speed water-entry of an axisymmetric body with six-DOF flow field was studied. The flow field was simulated by dynamic gird and user defined function (UDF),...

Virtual training system is important to improve the force operational capability. Due to urgent training needs for new type howitzer, the virtual training system was established based on analysis of a variety of training methods. From the system characteristic, the function modules were designed. Methods...

In order to improve the dynamic tracking ability of adjusting system for the subreflector of 65 meters radio telescope, and lay the foundation for the calibration works, PID parameters were adjusted through parabolic speed response and ramp position response based on electrical control system. Circle...

As a case study of vertical shaft spring grinder, this paper analyses the process of spring end grinding and establishes geometric model of spring face grinding, then calculates the formula of grinding force by the formula of surface grinding machine with vertical spindle and rotary table. Meanwhile,...

For the company which has successfully implemented ABC-system, the urgent problem is how to use the foundation information of ABC-system to control the cost formed in the process of production effectively, establish an overall cost management system which included cost calculation and cost control, then...

Based on CauChy formula and the basic principles of space coordinate transformation, investigated arbitrary inclined borehole, derived borehole coordinate components transformation and stress components transformation between borehole coordinate system and in-situ stress coordinate system, and the main...

An excitation signal source which is capable of suppressing temperature drifting is designed in this paper. The influence of temperature drifting of the amplifier on the stability and accuracy of data measurements is also studied. The mathematical model on which the design is based is introduced and...

Accurate cost information is the basis of management decision-making. Researches on the accuracy of ABC have to remain at logical analysis limited to the difficulties in the actual data acquisition and the lack of measurement methods. On the premise of available cost data of HZ company, this paper suggests...