نتایج جستجو برای: six component forcetorque sensor
تعداد نتایج: 1071221 فیلتر نتایج به سال:
In this paper, a novel approach to multi-hop range-free localization algorithm in wireless sensor network is proposed using principal component regression. The localization problem in the wireless sensor network is formulated as a multiple regression problem, which is resolved by principal component regression. The proposed methods are simple and efficient that no additional hardware is require...
A multiscale principal component analysis method is proposed for sensor fault detection and identification. After decomposition of sensor signal by wavelet transform, the coarse-scale coefficients from the sensors with strong correlation are employed to establish the principal component analysis model. A moving window is designed to monitor data from each sensor using the model. For the purpose...
Localization of sensor nodes is essential component in many ad-hoc sensor network applications. This paper presents an overview to existing localization techniques.
Temperature is considered as the basic element of climate and also the environmental limiting factor in LutDesert. In this research, in order to identify the temperature of Lut Desert located in east of central Iran, using remote sensing data, six series of MODIS sensor images related to June 24th & December 23rd 2002, and also January 22nd, March 22nd, June 22nd & September 24th 2003 were...
Abstract The long-term use of a piezoelectric smart structure make it difficult to judge whether the or lead zirconate titanate (PZT) is damaged when signal changes. If sensor fault occurs, cases and degrees are unknown based on electromechanical impedance method. Therefore, after principal component analysis (PCA) six characteristic indexes, two-component solution that could explain 99.2% vari...
Receiver function is defined as the spectral ratio of the radial component and the vertical component of the ground motion. It is used to characterize converted waves. We extend the use of the receiver function to downhole data using waves recorded in a borehole, excited by an earthquake of magnitude 4.0 near San Francisco, California, on 26 June 1994. The focal depth of the event was 6.6 km an...
Observation of the climate and ecosystem of ice covered polar seas is a timely task for the scientific community. The goal is to assess the drastic and imminent changes of the polar sea ice cover induced by climate change. Retreating and thinning sea ice affects the planets energy budget, atmospheric, and oceanic circulation patterns as well as the ecosystem associated with this unique habitat....
Event-based vision sensors mimic the operation of biological retina and they represent a major paradigm shift from traditional cameras. Instead of providing frames of intensity measurements synchronously, at artificially chosen rates, event-based cameras provide information on brightness changes asynchronously, when they occur. Such non-redundant pieces of information are called “events”. These...
A variety of sensors and positioning methods have been developed over the years. Most methods rely on active sensors (such as sonars or lasers) which have range and power restrictions, or rely on computationally complex (and often slow) methods such as recovering position from stereo or optical flow. This paper describes a system that can determine a robot’s position and orientation, in all six...
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