Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering
Aluminium metal foams offer low density (∼10–15% of bulk material) possessing cellular structure ... more Aluminium metal foams offer low density (∼10–15% of bulk material) possessing cellular structure that ensures unique features with high stiffens, better energy absorption, thermal and acoustic properties. Selection of different foaming agents for preparing AA6061 foam samples are indeed an industrial relevance for better control over porosity and its dimensions, strengths (tensile, flexural and compression) useful for distinguished applications. Three foaming agents such as wax powder, magnesium hydroxide, and titanium hydride are selected with varying 3–9 weight percentage to prepare metal foams viz. powder metallurgy technique. For the prepared foam samples the percentage porosity, pore dimensions (maximum pore size, and equivalent diameter) and strengths were examined. Wax powder foaming agent resulted with a maximum strength in foam samples compared to magnesium hydroxide and titanium hydride. Scanning electron microscope with energy dispersive spectroscopy analysis revealed tha...
With the continuous development of social networks, Weibo has become an essential platform for pe... more With the continuous development of social networks, Weibo has become an essential platform for people to share their opinions and feelings in daily life. Analysis of users’ emotional tendencies can be effectively applied to public opinion control, public opinion surveys, and product recommendations. However, the traditional deep learning algorithm often needs a large amount of data to be retained to obtain a better accuracy when faced with new work tasks. Given this situation, a multiclassification method of microblog negative sentiment based on MAML (model-agnostic metalearning) and BiLSTM (bidirectional extended short-term memory network) is proposed to represent the microblog text word vectorization and the combination of MAML and BiLSTM is constructed. The model of BiLSTM realizes the classification of negative emotions on Weibo and updates the parameters through machine gradient descent; the metalearner in MAML calculates the sum of the losses of multiple pieces of training, pe...
The concept of super-symmetry in terms of measurement capabilities of an observer with finite mea... more The concept of super-symmetry in terms of measurement capabilities of an observer with finite measurement capability is discussed. It is suggested that the symmetry establishing the correct definition of the origin in observer's measurement space, should be the symmetry to which other known symmetries must converge to. The string theory envisions a super-symmetry which correlates the force and matter nature of the events. The force is represented by bosons whereas the matter is represented by fermions. Every particle observed in nature should have a super-partner, which LHC is supposed to prove at high energy scales (~TeV). So far we have not succeeded in doing so. The world we exist in has basic symmetries such as translational symmetry, rotation symmetry, and the symmetry with respect to the inertial frames. If we could add the super-symmetry to these symmetries, we should be able to combine space-time with matter and our description will be complete. However it also means measurements in Planck's domain, which implies the limits of our capabilities. In other words if we can think of the description in terms of discrete measurement space, then the Planck's domain will represent the minimum quantum of discreteness and thus measurements in this region will require maximum capability of the observer i.e. they will not be easy to perform with our current state of know-how. Let us step away from the above scenario and try to understand what the concept of symmetry means in terms of the measurements in the discrete measurement space or the j-space. We have earlier discussed the problem of accurate determination of the origin and its implications. The conventional geometric space and its equivalent discrete measurement space is shown below. The observer defined origin of the discrete measurement space represents the maximum capability of the observer Obsj, the observer in j-space. Therefore the earliest symmetry we introduce, is the symmetry to accurately determine the origin in terms of the observer capability. We do this by allowing another observer, Obsj 0 which has identical capability to Obsj and it is used as reference. We further provide the description with respect to the defined-origin which has an implicit symmetry we called Virtual Twin Symmetry or VTS. The quantum nature of the space is also evident. The description of the nature as observer Obsj perceives it, is not assumed to be absolute but instead limited by the maximum of the observer's (Obs j's), capability. The nature remains indeterminate at best for any observer, and hence VTS is a requirement for any description an observer can provide. It is conceivable therefore that the symmetry leading to the definition of the origin, has to be the symmetry to which other symmetries must converge to. It will lead to chiral characteristics and hence the mass generation. -------------------------------------------------------------This file is an output of the html page. You can find the original document complete with figures on http://www.ijspace.org/Blog/supersymmetry.html.
The constraints of three-dimensional measurement space are discussed. It is postulated that the n... more The constraints of three-dimensional measurement space are discussed. It is postulated that the new states in universe are being created and a macroscopic observer is allowed only three measurements between entropy change. The concept of parallel transport in GTR is used to explain the physical space as measured.
The measurement space with uncertainty in determination of the origin, is shown to be of discrete... more The measurement space with uncertainty in determination of the origin, is shown to be of discrete nature. The measured information in discrete space, is characterized based on initial state created at the interface of continuum or source and discrete measurement space. In discrete measurement space the entropy considerations, result in a phenomenological relationship based on dimension-less constants, for stable microscopic and macroscopic structures. The relationship is independent of the experimentally determined constants 'h', 'c', 'e', and leads to the phenomenological explanation of the fine-structure constant and its value in low-energy limits. The concept of measurement space based on entropy change of the space as a result of the state creation and the capability of the observer, is developed next. The consequence of a macroscopic observer with limited measurement capability, making measurements in discrete measurement space, results in the constraint of a three dimensional measurement space.
2015 International Conference on Communications and Signal Processing (ICCSP), 2015
Now a days the wireless technology has become popular in the wireless system. FSO is a technology... more Now a days the wireless technology has become popular in the wireless system. FSO is a technology that uses the visible to near infrared (NIR) light propagating through the atmosphere to transmit information. FSO communications are attracting attention as the contemporary engineering science to resolve the last mile bottleneck issues in local area access networks due to their high bandwidth, low cost implementation in a non-licensed spectrum, relatively low power using up and security compared with RF technologies. Equally we know that the free space optical communication is extremely impressed by the various atmospheric conditions which cause the degradation of the carrying out of FSO link. This report introduces the study of the issue of the various atmospheric conditions on the FSO link. This report includes the result of the fog by analysis the various fog models such as Kim Model, Kruse Model. And also analysis the wet and dry snow over the FSO links.
1997 55th Annual Device Research Conference Digest, 1997
Thin oxide characterization is becoming more involved due to the secondary effects like oxide lea... more Thin oxide characterization is becoming more involved due to the secondary effects like oxide leakage and narrow active regions in small-geometry devices. In-line monitoring techniques should also be sensitive to gate oxide degradation with the subsequent steps of an advanced CMOS multilevel metal process. In this work, we use transient current measurements (IG-VG) to investigate process-induced defects in MOS capacitors with thin oxides. We demonstrate high sensitivity and simplicity of the measurement, as well as a novel approach to data analysis. In the literature, transient currents such as stress-induced leakage SILC and displacement current, have been attributed to oxide defects: either in the oxide volume (slow trapping), or near the interface (fast trapping). No correlation between these currents has been reported so far. Using specially designed structures, we observed for the first time that fast or slow trapping may occur either in common or exclusively, and that depending on the V G range, either the SILC or the displacement component would dominate. Mechanisms are discussed
Proceedings of the Institution of Mechanical Engineers, Part E: Journal of Process Mechanical Engineering
Aluminium metal foams offer low density (∼10–15% of bulk material) possessing cellular structure ... more Aluminium metal foams offer low density (∼10–15% of bulk material) possessing cellular structure that ensures unique features with high stiffens, better energy absorption, thermal and acoustic properties. Selection of different foaming agents for preparing AA6061 foam samples are indeed an industrial relevance for better control over porosity and its dimensions, strengths (tensile, flexural and compression) useful for distinguished applications. Three foaming agents such as wax powder, magnesium hydroxide, and titanium hydride are selected with varying 3–9 weight percentage to prepare metal foams viz. powder metallurgy technique. For the prepared foam samples the percentage porosity, pore dimensions (maximum pore size, and equivalent diameter) and strengths were examined. Wax powder foaming agent resulted with a maximum strength in foam samples compared to magnesium hydroxide and titanium hydride. Scanning electron microscope with energy dispersive spectroscopy analysis revealed tha...
With the continuous development of social networks, Weibo has become an essential platform for pe... more With the continuous development of social networks, Weibo has become an essential platform for people to share their opinions and feelings in daily life. Analysis of users’ emotional tendencies can be effectively applied to public opinion control, public opinion surveys, and product recommendations. However, the traditional deep learning algorithm often needs a large amount of data to be retained to obtain a better accuracy when faced with new work tasks. Given this situation, a multiclassification method of microblog negative sentiment based on MAML (model-agnostic metalearning) and BiLSTM (bidirectional extended short-term memory network) is proposed to represent the microblog text word vectorization and the combination of MAML and BiLSTM is constructed. The model of BiLSTM realizes the classification of negative emotions on Weibo and updates the parameters through machine gradient descent; the metalearner in MAML calculates the sum of the losses of multiple pieces of training, pe...
The concept of super-symmetry in terms of measurement capabilities of an observer with finite mea... more The concept of super-symmetry in terms of measurement capabilities of an observer with finite measurement capability is discussed. It is suggested that the symmetry establishing the correct definition of the origin in observer's measurement space, should be the symmetry to which other known symmetries must converge to. The string theory envisions a super-symmetry which correlates the force and matter nature of the events. The force is represented by bosons whereas the matter is represented by fermions. Every particle observed in nature should have a super-partner, which LHC is supposed to prove at high energy scales (~TeV). So far we have not succeeded in doing so. The world we exist in has basic symmetries such as translational symmetry, rotation symmetry, and the symmetry with respect to the inertial frames. If we could add the super-symmetry to these symmetries, we should be able to combine space-time with matter and our description will be complete. However it also means measurements in Planck's domain, which implies the limits of our capabilities. In other words if we can think of the description in terms of discrete measurement space, then the Planck's domain will represent the minimum quantum of discreteness and thus measurements in this region will require maximum capability of the observer i.e. they will not be easy to perform with our current state of know-how. Let us step away from the above scenario and try to understand what the concept of symmetry means in terms of the measurements in the discrete measurement space or the j-space. We have earlier discussed the problem of accurate determination of the origin and its implications. The conventional geometric space and its equivalent discrete measurement space is shown below. The observer defined origin of the discrete measurement space represents the maximum capability of the observer Obsj, the observer in j-space. Therefore the earliest symmetry we introduce, is the symmetry to accurately determine the origin in terms of the observer capability. We do this by allowing another observer, Obsj 0 which has identical capability to Obsj and it is used as reference. We further provide the description with respect to the defined-origin which has an implicit symmetry we called Virtual Twin Symmetry or VTS. The quantum nature of the space is also evident. The description of the nature as observer Obsj perceives it, is not assumed to be absolute but instead limited by the maximum of the observer's (Obs j's), capability. The nature remains indeterminate at best for any observer, and hence VTS is a requirement for any description an observer can provide. It is conceivable therefore that the symmetry leading to the definition of the origin, has to be the symmetry to which other symmetries must converge to. It will lead to chiral characteristics and hence the mass generation. -------------------------------------------------------------This file is an output of the html page. You can find the original document complete with figures on http://www.ijspace.org/Blog/supersymmetry.html.
The constraints of three-dimensional measurement space are discussed. It is postulated that the n... more The constraints of three-dimensional measurement space are discussed. It is postulated that the new states in universe are being created and a macroscopic observer is allowed only three measurements between entropy change. The concept of parallel transport in GTR is used to explain the physical space as measured.
The measurement space with uncertainty in determination of the origin, is shown to be of discrete... more The measurement space with uncertainty in determination of the origin, is shown to be of discrete nature. The measured information in discrete space, is characterized based on initial state created at the interface of continuum or source and discrete measurement space. In discrete measurement space the entropy considerations, result in a phenomenological relationship based on dimension-less constants, for stable microscopic and macroscopic structures. The relationship is independent of the experimentally determined constants 'h', 'c', 'e', and leads to the phenomenological explanation of the fine-structure constant and its value in low-energy limits. The concept of measurement space based on entropy change of the space as a result of the state creation and the capability of the observer, is developed next. The consequence of a macroscopic observer with limited measurement capability, making measurements in discrete measurement space, results in the constraint of a three dimensional measurement space.
2015 International Conference on Communications and Signal Processing (ICCSP), 2015
Now a days the wireless technology has become popular in the wireless system. FSO is a technology... more Now a days the wireless technology has become popular in the wireless system. FSO is a technology that uses the visible to near infrared (NIR) light propagating through the atmosphere to transmit information. FSO communications are attracting attention as the contemporary engineering science to resolve the last mile bottleneck issues in local area access networks due to their high bandwidth, low cost implementation in a non-licensed spectrum, relatively low power using up and security compared with RF technologies. Equally we know that the free space optical communication is extremely impressed by the various atmospheric conditions which cause the degradation of the carrying out of FSO link. This report introduces the study of the issue of the various atmospheric conditions on the FSO link. This report includes the result of the fog by analysis the various fog models such as Kim Model, Kruse Model. And also analysis the wet and dry snow over the FSO links.
1997 55th Annual Device Research Conference Digest, 1997
Thin oxide characterization is becoming more involved due to the secondary effects like oxide lea... more Thin oxide characterization is becoming more involved due to the secondary effects like oxide leakage and narrow active regions in small-geometry devices. In-line monitoring techniques should also be sensitive to gate oxide degradation with the subsequent steps of an advanced CMOS multilevel metal process. In this work, we use transient current measurements (IG-VG) to investigate process-induced defects in MOS capacitors with thin oxides. We demonstrate high sensitivity and simplicity of the measurement, as well as a novel approach to data analysis. In the literature, transient currents such as stress-induced leakage SILC and displacement current, have been attributed to oxide defects: either in the oxide volume (slow trapping), or near the interface (fast trapping). No correlation between these currents has been reported so far. Using specially designed structures, we observed for the first time that fast or slow trapping may occur either in common or exclusively, and that depending on the V G range, either the SILC or the displacement component would dominate. Mechanisms are discussed
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Papers by Piyush Singhal