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Chapter and Conference Paper
MUMOR: A Multimodal Dataset for Humor Detection in Conversations
Humor detection attracts increased attention in natural language processing for its potential applications. Prior work focus on analyzing humor on isolated, textual data, but humor usually comes from the inter...
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Chapter
Mathematical Description of Glide-Trajectory Optimization Problem
The entry process of hypersonic gliding vehicle is constrained by path constraints such as heating rate, load factor, dynamic pressure, control variables and terminal constraints such as position, velocity, fl...
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Chapter
Singular Perturbation Guidance of Hypersonic Glide Reentry
In the previous chapter, the trajectory optimation for maximum range of hypersonic glider with no constraints has been finished by collocation method and sequential quadratic programming method. Then, a guidan...
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Chapter
Analytical Solutions of Steady Glide Reentry Trajectory in Three Dimensions and Their Application to Trajectory Planning
Hypersonic vehicle (Ma ≥ 5) has the advantages of long range, strong survivability and great destruction, and it has become a worldwide research hotspot. Glide trajectory programming technology is one of the key...
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Chapter
Introduction
Hypersonic Glide Vehicle (HGV) is generally a near-space vehicle that can fly at a velocity of more than Mach number 5. It is characterized by high velocity, long flight distance and high heating rate. Therefo...
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Chapter and Conference Paper
Metaphor Recognition and Analysis via Data Augmentation
Metaphoric expression is widespread and frequently used to convey emotions. When it comes to metaphor recognition and analysis, there are still not enough samples for these tasks. In this study, we target on r...
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Chapter
Mathematical Modeling for Hypersonic Glide Problem
In order to solve the optimization problem of multi-phase trajectory and obtain the optimal trajectory, dynamic equations for hypersonic vehicle are established first. On this basis, further analysis and solut...
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Chapter and Conference Paper
Context-Aware and Data-Augmented Transformer for Interactive Argument Pair Identification
Interactive argument identification is an important research field in dialogical argumentation mining. This task aims to identify the argument pairs with the interactive relationship in the online forum. In th...
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Chapter and Conference Paper
Research on the Evaluation Words Recognition in Scholarly Papers’ Peer Review Texts
Peer review is an important means of academic evaluation. The evaluation words in peer review texts reflect the important viewpoints of reviewers. In this paper, An evaluation words recognition method for peer...
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Chapter
Concept of Steady Glide Reentry Trajectory and Stability of Its Regular Perturbation Solutions
The equilibrium glide [1] proposed by Sänger, is an important reentry flight model. As its vertical forces, including the gravity, centrifugal force and vertical component of the lift, are approximately balanc...
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Chapter and Conference Paper
Research and Application of Reinforcement Beams Supporting Body Panel on Attenuation of Low Frequency Vibration and Sound Radiation
Due to the tendency of vehicle lightweight, the body panel becomes thinner. So the panel is much easily excited by engine and road excitations and radiates noise into the passenger compartment, which is freque...
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Chapter and Conference Paper
Self-training vs Pre-trained Embeddings for Automatic Essay Scoring
People usually believe that using pre-trained word vectors or pre-trained language models can effectively improve task performance. But that is not the case. A sufficient amount of annotated data is usually re...
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Chapter
Trajectory Dam** Control Technique for Hypersonic Glide Reentry
With the development of the computer technology, the optimal control methodology usually is the first choice in designing a glide trajectory of a hypersonic vehicle.
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Chapter and Conference Paper
A Drug Repositioning Method Based on Heterogeneous Graph Neural Network
Automated drug repositioning can find potential drugs accurately and reduce R&D costs. To implement a drug repositioning system, first, the author builds a heterogeneous information network of drugs, diseases,...
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Chapter
Mathematical Fundamentals
Regular perturbation method (i.e. direct expansion method) is a technique used for solving the asymptotic power series of solutions to regular perturbation problems. By assuming that the solutions are in the f...
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Chapter
Direct Method for Gliding Trajectory Optimization Problem
Direct method has been widely applied in trajectory optimization. Direct trajectory optimization software—SOCS, CAMTOS and GPOPS—adopts direct collocation method, direct multiple shooting algorithm and Gauss P...
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Chapter
Omnidirectional Autonomous Reentry Guidance Based on 3-D Analytical Glide Formulae Considering Influence of Earth’s Rotation
Common Aero Vehicle (CAV) is a high-L/D hypersonic vehicle gliding in the region of the Earth’s atmosphere with altitude of 20–100 km. CAV is sent into a sub-orbital trajectory by a launch vehicle. After separ...
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Chapter
Linear Pseudospectral Guidance Method for Eliminating General Nominal Effort Miss Distance
Model predictive control (MPC) is a form of control in which the current control is obtained by on-line solving a finite horizon open-loop optimal control problem, using the current state of the plant as the i...
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Chapter
Trajectory-sha** Guidance with Final Speed and Load Factor Constraints
The terminal guidance problem of a hypersonic gliding vehicle (Phillips in A Common Aero Vehicle (CAV) Model, Description, and Employment Guide, Schafer Corporation for AFRL and AFSPC, Arlington, 2003 [1]) is stu...
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Chapter
Steady Glide Dynamic Modeling and Trajectory Optimization for High Lift-To-Drag Ratio Reentry Vehicle
Entry guidance plays an important role in generating the steering command to guide the vehicle from its initial condition to reach the destination safely and accurately. In general, traditional reentry guidanc...
