Applied Mechanics and Materials Vols. 48-49

Abstract: A study on integrate multiple methods including design table, equations, shared data link and API programming design tools in SolidWorks is presented. This method needs to establish the source model only once for congeneric parts and very efficiently avoided establishing model for each part respectively. It greatly reduced the storage space of parts library and effectively enhanced the development efficiency gave full play to the powerful interactive and internal computability in SolidWorks.

Abstract: The shock absorber model and front beam model of a domestic car are built using UG according to the existing two-dimensional drawings. And they are assembled together with the rear beam model, steering knuckles model and arm model. The ADAMS software is used to build up an assembled vehicle model, which includes front and rear suspensions, chassis, steering, tires subsystems and so on. Response characteristics of vehicle ride comfort under pulse road surface are studied through simulation.

Abstract: In this paper, aiming at the structure of upper-limb rehabilitation robot, establish the model of algorithmic control based on fuzzy neural network and virtual reality simulation model for 5dof upper-limb rehabilitant robot, and take the elbow joint for example to do simulation analysis. The result of simulation shows the fuzzy neural network control is practicable and its control accuracy takes the precedence over the traditional methods. The virtual-reality simulation of 5dof upper-limb rehabilitation robot, which is benefit to understand the complex relationships among the objects, can emulate the features of real rehabilitation robot, laying a solid foundation for rehabilitation evaluation system and telemedicine.

Abstract: In this paper, a visual solution is presented about virtual reality tour of Web3D based on VRML. After analysis of polyline architectural structure related to tour route, a parametric definition of polyline is given, and a visual editor system of polyline is developed. With our experience on the VR project,the automatic generation algorithm is proposed about the VR tour based on VRML. The application shows that the proposed way can efficiently improve the performance quality of the project.

Abstract: Spectrum signal may contain many peaks or mutations and noise also is not smooth white noise, to this kind of signal analysis, must do signal pretreatment, remove part of signal and extract useful part of signal.Based on the data of blood glucose near-infrared spectrum as the research object to explore the application of wavelet transform in the near infrared spectrum signal denoising, and through the simulation results show that using wavelet analysis of near infrared spectral data pretreatment than the traditional Fourier method can be higher precision of prediction.

Abstract: This paper designs a failure signal remote collection terminal based on engineering mechanical hydraulic system. The terminal takes ATmega16 microcontroller as control core, using BenQ M22A module for GPRS wireless transmission. It overcomes region and time limit of engineering machinery and monitors engineering machinery's running status at any real-time, provides the basis for engineering machinery's breakdown service.

Abstract: The author analyzed the working characteristics of special turbine for cooling tower basing on the difference between the special turbine and the conventional hydraulic turbine. This paper points out that the special turbine works in a pressure water system and has typical ultra-low specific speed characteristic. These characteristics determine the type and parameters selection of the special turbine. Based on the theory the author has designed some special turbines in many projects in China. The practical operation shows that the turbines have high energy conversion efficiency and are steady in operation, with fairly good matching of the fans.

Abstract: In order to achieve vehicle information in area passageway, many police bureaus or traffic management bureaus had implemented intelligent monitoring and recording system of vehicle on road. It is very important to cross platform data exchange between different field data recorders and central system, at present, there are amount of different data produced by different secure access systems on road, various data formats are one of the main reason to share and full use those valuable data. To solve this problem, this paper provides a promising methodology by applying XML-based language and tested with system working in the real-world. We put forward XML-based message format for the intelligent monitoring and recording system of vehicle, named road secure-access data markup language (RSA-ML) ,which is the cross platform data exchange specification. The paper also gives the definition, data architecture and RSA-ML schema. At last, the paper applies the language in "one river and three circle" prevention and control system in Shandong province, China.

Abstract: The detection of abnormal behaviors is one of the most important issues in the health monitoring system. Computer vision based techniques, usually combined with statistics, are labor-intensive, time-consuming and costly. Moreover, only monitoring but no help functions are provided. To overcome this limitation, this paper presents a ZigBee wireless sensor networks based detection and help system for elderly abnormal behaviors in service robot intelligent space. The main components of the system, including abnormal behaviors detection module, localization of abnormal behaviors, ceiling projector for robot navigation and development of ZigBee wireless sensor networks, are addressed in detail. Finally, we conclude this paper and future research direction is given.

Abstract: The number of construction machinery faults is too much and its diagnosis are fuzzy and complex. We construct the fault hierarchy model by the means of hierarchy analysis and obtain all kinds of Possibility degree of faults factors through the triangular fuzzy complementary judgment matrix .Take the fault diagnosis of diesel engine fuel system, this paper establish intelligent fault diagnosis system, which has the ability of self-learning and self-correction using multi-agent technology.