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This paper is devoted to the problem of heart rate regulation using a model-based control strategy and a realtime damped parameter estimation scheme. The controller is a time-varying integral sliding mode controller. A recursive damped parameter estimation method is also developed, by incorporation of a weighting upon the one-step parameter variation, which in contrast to the conventional parameter...
In this paper, we proposed a novel method for autocalibration of triaxial Micro-Electro-Mechanical systems (MEMS) accelerometer that does not require any sophisticated laboratory facilities. In particular, this method is an online calibration method which can be conveniently implemented with the accuracy of MEMS accelerometer being significantly improved. The procedure exploits the fact that the output...
Traditional BVA quartz resonator has the characteristics of low aging and high Q, but the weakness in size and anti-vibration limits its application and popularization. This paper introduces a small BVA quartz resonator. By optimizing the internal structure and processing technology, the size of small BVA quartz resonator can be reduced to HC-40/U and the anti-vibration level reaches 15grams. At the...
This paper introduces a self-designed wearable inertial measurement unit (IMU-BMSJv2) and the calibration of its tri-axial accelerometers. We compare two popular accelerometer calibration approaches, the classical method (attitude dependent) and auto calibration method (attitude independent). Both these two calibration methods have been applied for the calibration of the self-designed IMU-BMSJv2;...
Peer-to-Peer (P2P) networks have been widely used in various Internet applications. However, P2P networks also cause serious concerns of copyrighted contents piracy: P2P helps to pirate copyrighted contents, which impedes wide application of P2P networks. In this paper, we investigate several important issues on the ways to prevent pirated content propagation in P2P networks. We propose a system to...
The aircraft have employ interior weapon cabin's door(ICWD) as a new part as the technology get advanced. ICWD usually adopt some multi-pivot movement mechanism. These mechanisms mostly use transition linkup, it only have linear displacement but no angular displacement. Thereby we re-deduced the security boundary equation and got a optimal solution of the support layout. A simple simulation model...
Complex network theory is put forward in following research to analyze the statistical parameters of network business statically in E-commerce area. Empirical Study is based on the data provided by an online shopping website and statistical parameters such as enterprise act degree and clustering coefficient is studied accordingly. Thus we found that E-commerce displays the power law and clustering...
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