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Article
Analytical libration control law for electrodynamic tether system with current constraint
This study focuses on stabilizing the libration dynamics of an electrodynamic tether system (EDTS) using generalized torques induced by the Lorentz force. In contrast to existing numerical optimization methods...
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Article
Open AccessShort-term lumbar disc and lumbar stability changes of one-hole split endoscope technique treatment of spinal stenosis
Investigating the early biomechanical effects of the one-hole split endoscope (OSE) technique on lumbar spine after decompression surgery.
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Chapter
Conclusion and Further Work
This monograph is concluded in this chapter, following which some future directions concerning FOSMC are discussed.
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Book
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Chapter
Fractional-Order SMC for the Deployment of STS
This chapter proposes a FO integral sliding mode control with the order \(0<\nu <1\) 0
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Chapter
Fractional-Order Dynamics and Control of Rigid-Flexible Coupling Space Structures
The book begins with a brief view of fractional order control strength in modeling and control in this chapter. It is well known that rigid-flexible coupling structures have been widely used in spacecraft with...
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Chapter
Practical Tracking Control via Discrete-Time Fractional-Order SMC
In this chapter, a novel discrete-time fractional-order sliding mode (DFSM) controller is proposed to guarantee the desired tracking performance of the linear motor control system. A discrete-time linear motor...
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Chapter
Discrete-Time Fractional-Order Terminal Sliding Mode Tracking Control
This chapter presents a practical discrete-time FO terminal sliding mode control strategy for high-precision tracking tasks based on linear motors. In particular, the practical parametric uncertainties involvi...
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Chapter and Conference Paper
Time-Aware Preference Recommendation Based on Behavior Sequence
Sequential recommendation (SR) has become an important schema to assist people in rapidly finding their interest in the progressively growing data. Especially, long and short-term based methods capture user pr...
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Chapter
Fractional-Order Fuzzy SMC for the Deployment of TSS
In this chapter a novel FO fuzzy SMC strategy is developed to realize the deployment of the TSS with input saturation. The considered TSS is modelled as an under-actuated system. By decoupling the under-actuat...
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Chapter
Fractional-Order Adaptive SMC for the Deployment of STS
In this chapter, a novel FO SMC scheme based on a nonlinear mathematical model in elliptical orbits is presented. A new dimensionless transform based on coordinate translation is constructed to convert input l...
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Chapter
Introduction
FO calculus has a long history which can be traced back to 300 years ago. The chapter introduces the preliminaries of FO calculus and briefly review the development of SMC and FOSMC. To apply in engineering, s...
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Chapter
Fractional-Order Tension Control for Tethered Satellite Systems
The past decades have witnessed 26 tethered satellite missions due to its great potential in space exploration, microgravity, and deep space observation. A typical tethered satellite mission generally involves...
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Chapter
Practical Tracking Control via Adaptive Fractional-Order Terminal SMC
This chapter proposes a practical adaptive FO terminal SMC strategy for tracking control of the linear motor. Compared with the conventional fast nonsingular SMC, the proposed approach, with a FO integral slid...
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Chapter
Fractional-Order Sliding Mode Contouring Error Control
This chapter presents a simplified Newton-based contouring error estimation (CEE) and a discrete-time FO sliding mode contouring error control (CEC) strategy to obtain an excellent contouring motion performanc...
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Chapter
Fractional-Order Nonsingular Terminal SMC for the Deployment of STS
In this chapter, a novel FO nonsingular terminal sliding mode (FONTSM) control scheme is developed, which guarantees the desired deployment performance of STS system. The presented control scheme is to stabili...
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Chapter and Conference Paper
Reasoning Path Generation for Answering Multi-hop Questions Over Knowledge Graph
Multi-hop Knowledge Graph Question Answering (KGQA) aims to find the answer entity via a reasoning path consisting of multiple fact triples in the knowledge graph (KG). Most of end-to-end KGQA approaches only ...
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Article
Review of attitude consensus of multiple spacecraft
A group of cooperative agents can finish complicated missions that are difficult for a large machine. In the past two decades, spacecraft attitude coordination has attracted significant research attention owin...
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Article
Open AccessSuppression of m6A mRNA modification by DNA hypermethylated ALKBH5 aggravates the oncological behavior of KRAS mutation/LKB1 loss lung cancer
Oncogenic KRAS mutations combined with the loss of the LKB1 tumor-suppressor gene (KL) are strongly associated with aggressive forms of lung cancer. N6-methyladenosine (m6A) in mRNA is a crucial epigenetic modifi...
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Article
Angular velocity observer for space tether exploiting non-singular dynamics and vector measurements
This paper aims to develop efficient observers of angular velocity for a space tether system using the measurements of the unit vector along the tether. The presented observers exploit a special formulation of...
