This paper presents a study on the performance test for newly developed weight sensor system for agent monitoring of gaseous extinguishing system. The weight sensor system consists of weight sensor, LCD display, main board, power unit and so on. The performance test is configured to be able to accurately...

In this study the capability test of newly developed gas leakage checkers for gaseous extinguishing systems was conducted. The leakage checker consists of valve body, slip nut, plunger and micro switch etc. Until now extinguishing agent leakage has been checked through direct measuring with a level gauge...

Mission-critical systems are hard real-time systems that collect large amounts of information from diverse sensors for mission performance. For perfect performance of missions of systems, data should not be omitted or spoiled. To this end, data integrity in the systems should be ensured. Therefore, along...

The structural parameter of excavator attachment plays an important role in the structural design, so it is very important to select the most dangerous working condition to improve the structural strength by optimizing the parameters. However, the previous traditional dangerous condition comes from specialized...

Based on the test for anti-evasion attack of NIPS, A simple and effective improved software test method is designed. In this improve method testing software are installing and running on physical and virtual machine, the network cards of the virtual maching are set in different operation modes, Software...

An approach for efficient sensor readout ASIC chip characterization is presented in this paper. Use of automation results in better test yield and coverage, in addition to man-hour reduction. In order to perform this, the hardware setup has been integrated based on laboratory bench instrumentation. All...

The high frequency and high voltage capacitor was designed and tested and produced with precision technology. The film winding machine was installed and installed to produce new designed capacitors. By winding capacitor core, MPP (Metalized Film on Propylene Film) and PP (Propylene Film) or Aluminum...

It’s very common to use the skin texture of gray level co-occurrence matrix to calculate the four most representative eigenvalues of human facial skin image: energy, moment of inertia, correlation and entropy. To test whether the four eigenvalues can represent the skin texture information, the article...

The flow dynamics of the dilution water that adjusts the consistency of the fluid in a hydrodynamic headbox was studied by performing computational fluid dynamics (CFD) simulations. A standard k- turbulence model was used in conjunction with a study of the mass diffusion in the turbulent flow based on...

The objective of this research is to study the ultrasonic attenuation effect on metallurgical properties of specimens. This study uses the various metallurgical grain sizes, using the ANSI1025 grade low carbon steel and ANSI316 grade stainless steel as base metals and shielded metal arc welding with...

It is important to evaluate the workpiece whether the surface is defective or not. Because of the shadow area due to light angle by taking pictures, false edges are obtained. It will lead to that the real edge will be mistaken for surface scratches. Based on region growing, this paper introduces a new...

This paper proposes a novel method to estimate 2FSK-LFM compound signal based on joint FRFT-ML. The representation of the compound signal in FRFT domain is derived and the chirp rate and the code length of the compound signal are estimated. Joint with ML method, a high accurate local search approach...

The interaction between radar signals for cooperative targets and the Nyquist Folding Receiver (NYFR) is investigated from a zero-sum (ZS) game theory perspective. Since the sub-Nyquist sampling is a tradeoff in noise folding with signals versus dynamic range of analogy-to-digital converter (ADC), a...

The harmonic aggregation in wind power generation is widely concerned in engineering practice. In this paper, large volumes of voltage and current data in wind farm was measured and analyzed for exploring the distribution rules of harmonic current amplitude and phase, based on which, the probabilistic...

Cryogenic fuel tanks are key parts of the launch vehicle. This paper presented a method of the liquid nitrogen level measurement for cryogenic fuel tank based on thermistors and metal film resistances. The measurement model and measurement principle had been detailed in this paper. Error analysis was...

For multi-freedom prosthetic hand, grasping stability is very important. Force closure method is often used to determine grasping force of each finger. The space position information must be obtained to compute grasping force by using this method. However, for prosthetic hand, the space position is hardly...

The noise measurement and analysis system of multi-channel was used at a test of high-speed intercity railway coaches analyzing the noise at different operating conditions and different speed, the sound field distribution in the intercity high-speed railway coach was tested and analyzed. The results...

In the reverberation room, the absorption coefficient is measured by the composite structure of perforated plate, perforated plate and porous sound absorbing material, and the sound absorption characteristics of perforated plate are studied. Through the analysis of the data ,it is founded that: under...

Non-linear model of displacement and sensor detection is usually used in multi-DOF precise displacement measurement. The computing burden of these models is often too large to satisfy the need of real-time performance of displacement measurement. This paper proposes a parallel computing method based...

Nowadays, there are increasingly obvious contradictions between the wood production and the rapid development of national economy. In addition, there are wild work, extensive management and astonishing waste in the forestry production and management field. The major work for the forestry workers of China...

To achieve a human like grasping with a multi-fingered robot hand, the grasping force should be controlled with using information from the grasped object such as its weight. In this paper, we propose a method for estimating the weight of a grasped object using the force output of Force Sensor Resistor...

Using the modern time series analysis method in the time domain, based on the ARMAinnovation model, a steady-state Kalman estimator for descriptor systems with colored noise is introduced,and employing the state observer principle, the pole-assignment descriptor steady-state Kalman estimator is also...

In view of the health inspection of tower crane, the paper puts forward an ARX model to detect the status of the tower crane structure which uses the node displacements of tower crane below standard section as input and the up standard section of the node displacements as the output. Combining with statistical...

Sensor positioning plays animportant role in wireless sensor network (WSN). Thesensor location information is indispensable to a lot of applications. This paper analyzes the wireless sensor node measuring algorithm and the principle of classification, focuses on analyzing the signal strength based ranging...

In order to improve amputees quality of life, electromyogram (EMG) prosthetic hands have been developed to compensate for some daily activities. A force estimation method for prosthetic hands using surface electromyotraphy is proposed in the paper to help amputees. One hand of the subject is tied to...

According to warship combat system dynamic alignment demand, a coordinate system aligned combat system was established in this paper, the mainly coordinate conversion were derived, sensor measurement errors caused by warship's attitude were calculated and simulated by computer. Simulation results show...

By examining the measuring method of screen clothes-shoes' resistance, the paper proposes a reasonable and effective measuring method of screen clothes-shoes' resistance that can ensure the proper implementation of the preventive test of screen clothes-shoes.

Wind energy is renewable and clean energy which has the most mature technology and the development conditions. Wind power generation provides the basis for the harmonious development between man and nature. The wind turbine is working under the natural environment, as a result, it is inevitable to be...

The shale matrix is composed of organic matter and inorganic matter. Methane often adsorbs in organic pores and water adsorbs in inorganic matter. Adsorption layer blocked the spaces of pores, and leads to the decrease of porosity and permeability. However, the influence of adsorption layer on shale...

In this paper, a ZigBee wireless ethanol vapor sensor system has been presented. This system is based on quartz crystal microbalance (QCM) coated with graphene nanowires as sensing element. This system is a QCM ethanol vapor sensor network, and we use star network to construct it. It consists of two...

Let G be a graph where for each vertex, a subset of a set of K colors is assigned. If for each vertex to which an empty set is assigned, its neighborhood contains all K colors, then such an assignment is called a K-rainbow dominating function of G. The corresponding invariant rrk(G), which is the minimum...

Support vector regression machine is suitable for small sample decision and it is good to data forecasting capabilities. Its nature of learning method is under the condition of limited information to obtain a good ability in data mining. Accurate electricity load forecasting is an important practical...

All kinds of image retargeting algorithms based on seam carving are the representative types of discrete resizing methods. Seam carving algorithm refers to delete or insert pixel lines to resize image’s technique. Pixel line pass through the whole image horizontally or vertically, deleting the pixel...

This paper focuses on dynamic pricing decision with a static reference price in revenue management situations. Firstly, it constructs the optimal control model with continuous time and continuous prices. Secondly, it defines the concept of multiplicative reference effect, and describes the characteristics...

In this paper we tried to perform a classification of modern decision support systems, applied in the oil industry, the methods and approaches implemented, the tasks and problems to be decided by the oil and gas production operators, applying these methods.

Electrical capacitance tomography (ECT) is a relatively mature non-invasively imaging technique that attempts to map dielectric permittivity of materials. Recently, 3D ECT has gained interest because of its potential to generate volumetric images. In this paper, two kinds of 3D capacitance imaging sensors...

Along with the accumulation of earthquake damage experience and researches on earthquake, the standard of building seismic design is modified all the time to be more objectively and scientifically. The soil-structure interaction method is significant but still qualitative, so a detailed comparison between...

According to cost and customer satisfaction degree, we build a bi-objective maximal covering problem in order to study the influence of central station siting by cost and customer satisfaction degree. During solving this bi-objective maximal covering problem, we use the normalized normal constraint method...

The rapid increase of transportation makes it necessary construct shallow burial Tunnel under skew-crossing highway in China. Thus, the prediction of the influence on the safe operation of skew-crossing highway in the tunnel construction plays a key role in the optimal design and construction of tunnels,...

Using data mining technology to transformer operation analysis of the defects in the process of data mining, mainly for the entire network analysis of the defect data transformer account, defects, fault, environment and other information. Analysis mainly from the state information of equipment, equipment...

Commercial anti-virus software has been extended to anti-virus engine matching signature works, this method can accurately detect the known viruses. The study of anti-virus technology of the foreign scholars focuses on the following aspects, improving the ability of antivirus software to detect unknown...

According to the requirement changing of personnel market, the personnel training mode and curriculum set in higher vocational colleges must be adjusted to better meet the requirement of personnel market and solve the graduate employment problem of higher vocational college. This paper introduced the...

In The article, in AL Company’s case the status quo of Chinese enterprises listed overseas is pointed out. It analyzes the risks and causes of overseas listing, such as the high cost of risk, enterprise undervalued risk, refinancing risk, Legal risks and regulatory risks. To propos ways to deal with...