Chunming Yang
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View article: Koopman Operator Based Time-Delay Embeddings and State History Augmented LQR for Periodic Hybrid Systems: Bouncing Pendulum and Bipedal Walking
Koopman Operator Based Time-Delay Embeddings and State History Augmented LQR for Periodic Hybrid Systems: Bouncing Pendulum and Bipedal Walking Open
Time-delay embedding is a technique that uses snapshots of state history over time to build a linear state space model of a nonlinear smooth system. We demonstrate that periodic non-smooth or hybrid system can also be modeled as a linear s…
View article: Koopman Operator Based Linear Model Predictive Control for Quadruped Trotting
Koopman Operator Based Linear Model Predictive Control for Quadruped Trotting Open
Online optimal control of quadruped robots would enable them to adapt to varying inputs and changing conditions in real time. A common way of achieving this is linear model predictive control (LMPC), where a quadratic programming (QP) prob…
View article: Koopman Operator Based Linear Model Predictive Control for 2D Quadruped Trotting, Bounding, and Gait Transition
Koopman Operator Based Linear Model Predictive Control for 2D Quadruped Trotting, Bounding, and Gait Transition Open
Online optimal control of quadrupedal robots would enable them to plan their movement in novel scenarios. Linear Model Predictive Control (LMPC) has emerged as a practical approach for real-time control. In LMPC, an optimization problem wi…
View article: Real‐Time Probing of Morphological Evolution and Recrystallization During Solvent Annealing in Blade‐Coated All‐Polymer Organic Solar Cells Using In Situ X‐Ray Scattering
Real‐Time Probing of Morphological Evolution and Recrystallization During Solvent Annealing in Blade‐Coated All‐Polymer Organic Solar Cells Using In Situ X‐Ray Scattering Open
Optimizing the morphology of the active layer is crucial for achieving high photovoltaic conversion efficiency in all‐polymer solar cells (APSCs). Solvent vapor annealing (SVA) is an essential post‐treatment strategy for controlling active…
View article: Polymer-like tetramer acceptor enables stable and 19.75% efficiency binary organic solar cells
Polymer-like tetramer acceptor enables stable and 19.75% efficiency binary organic solar cells Open
Limited by large batch differences and inferior polymerization degree of current polymer acceptors, the potential high efficiency and stability advantages of all-polymer solar cells (all-PSCs) cannot be fully utilized. Alternatively, large…
View article: Glabridin Suppresses Macrophage Activation by Lipoteichoic Acid In Vitro: The Crucial Role of MAPKs-IL-1β-iNOS Axis Signals in Peritoneal and Alveolar Macrophages
Glabridin Suppresses Macrophage Activation by Lipoteichoic Acid In Vitro: The Crucial Role of MAPKs-IL-1β-iNOS Axis Signals in Peritoneal and Alveolar Macrophages Open
Inflammation, a fundamental response to infection and injury, involves interactions among immune cells and signaling molecules. Dysregulated inflammation contributes to diseases such as autoimmune disorders and cancer. Interleukin-1 beta (…
View article: Non-fused core-linked star-shaped oligomer acceptors for stable binary organic solar cells with over 19% efficiency
Non-fused core-linked star-shaped oligomer acceptors for stable binary organic solar cells with over 19% efficiency Open
Non-fused core with non-covalent interactions refines the film-forming kinetics of star-shaped oligomer acceptors for achieving long-term stable solar cells with 19.27% efficiency.
View article: Structurally Compact Penta(N,N‐diphenylamino)corannulene as Dopant‐free Hole Transport Materials for Stable and Efficient Perovskite Solar Cells
Structurally Compact Penta(N,N‐diphenylamino)corannulene as Dopant‐free Hole Transport Materials for Stable and Efficient Perovskite Solar Cells Open
Hole transport materials (HTMs) are essential for improving the stability and efficiency of perovskite solar cells (PSCs). In this study, we have designed and synthesized a novel organic small molecule HTM, cor‐(DPA) 5 , characterized by a…
View article: 19.35% Efficient Binary Bulk‐Heterojunction Organic Photovoltaic Enabled by Optimizing Bromine‐Substituted Self‐Assembled Carbazole Based Molecules
19.35% Efficient Binary Bulk‐Heterojunction Organic Photovoltaic Enabled by Optimizing Bromine‐Substituted Self‐Assembled Carbazole Based Molecules Open
A bromine‐substituted [2‐(9H‐Carbazol‐9‐yl) ethyl] phosphonic acid, 1Br‐2PACz, is designed as hole‐selective self‐assembled monolayers (SAMs), contributing to an outstanding power conversion efficiency (PCE) of 19.35% for binary bulk‐heter…
View article: Archimedean Spirals with Controllable Chirality: Disk Substrate-Mediated Solution Assembly of Rod–Coil Block Copolymers
Archimedean Spirals with Controllable Chirality: Disk Substrate-Mediated Solution Assembly of Rod–Coil Block Copolymers Open
Spirals are common in nature; however, they are rarely observed in polymer self-assembly systems, and the formation mechanism is not well understood. Herein, we report the formation of two-dimensional (2D) spiral patterns via microdisk sub…
View article: Robust Control using Control Lyapunov Function and Hamilton-Jacobi Reachability
Robust Control using Control Lyapunov Function and Hamilton-Jacobi Reachability Open
The paper presents a robust control technique that combines the Control Lyapunov function and Hamilton-Jacobi Reachability to compute a controller and its Region of Attraction (ROA). The Control Lyapunov function uses a linear system model…
View article: Efficiency Boost in All‐Small‐Molecule Organic Solar Cells: Insights from the Re‐Ordering Kinetics (Adv. Energy Mater. 3/2024)
Efficiency Boost in All‐Small‐Molecule Organic Solar Cells: Insights from the Re‐Ordering Kinetics (Adv. Energy Mater. 3/2024) Open
Organic Solar Cells In article number 2302731, Chunming Yang, Gang Li, Hanlin Hu, and co-workers investigate the intricate interplay between domain size adjustment and the creation of optimal phase separation morphology in all-small molecu…
View article: Morphology Controlling of All‐Small‐Molecule Organic Solar Cells: From Donor Material Design to Device Engineering
Morphology Controlling of All‐Small‐Molecule Organic Solar Cells: From Donor Material Design to Device Engineering Open
All-Small-Molecule Organic Solar Cells In article number 2300332, Yang, Hu, Ouyang, and co-workers systematically summarized recent advancements in all-small-molecule organic solar cells in terms of design strategies for novel small molecu…
View article: Easily Available High‐Performance Organic Solar Cells by Regulating Phenylalkyl Side Groups of Non‐Fused Ring Electron Acceptors
Easily Available High‐Performance Organic Solar Cells by Regulating Phenylalkyl Side Groups of Non‐Fused Ring Electron Acceptors Open
Although non‐fused ring electron acceptors (NFREAs) have received increasing attention due to their relatively low synthetic costs, the achievement of high efficiencies strongly depends on tedious pre‐ or/and post‐treatments to refine the …
View article: A Simple Controller for Omnidirectional Trotting of Quadrupedal Robots: Command Following and Waypoint Tracking
A Simple Controller for Omnidirectional Trotting of Quadrupedal Robots: Command Following and Waypoint Tracking Open
For autonomous legged robots to be deployed in practical scenarios, they need to perform perception, motion planning, and locomotion control. Since robots have limited computing capabilities, it is important to realize locomotion control w…
View article: Power Battery Recycling Mode and Decision-making Model for New Energy Vehicles Under the Background of Dual Carbon
Power Battery Recycling Mode and Decision-making Model for New Energy Vehicles Under the Background of Dual Carbon Open
Recycling and cascade utilization of waste power batteries for new energy vehicles is an effective measure to manage carbon emissions in the power battery industry chain and achieve the dual carbon target. In view of the current confusion …
View article: Hybrid Cycloalkyl‐Alkyl Chain‐Based Symmetric/Asymmetric Acceptors with Optimized Crystal Packing and Interfacial Exciton Properties for Efficient Organic Solar Cells
Hybrid Cycloalkyl‐Alkyl Chain‐Based Symmetric/Asymmetric Acceptors with Optimized Crystal Packing and Interfacial Exciton Properties for Efficient Organic Solar Cells Open
Hybrid cycloalkyl‐alkyl side chains are considered a unique composite side‐chain system for the construction of novel organic semiconductor materials. However, there is a lack of fundamental understanding of the variations in the single‐cr…
View article: Origin of Calcite Cements in Tight Sandstone Reservoirs of Chang 8 Member of the Yanchang Formation in Zhijing-Ansai Area, Ordos Basin, China
Origin of Calcite Cements in Tight Sandstone Reservoirs of Chang 8 Member of the Yanchang Formation in Zhijing-Ansai Area, Ordos Basin, China Open
Calcite cement is a common type of cementation in tight sandstone reservoirs of the Upper Triassic Yanchang Formation Chang 8 Member in the Zhijing-Ansai area of the Ordos Basin, which has significant influence on reservoir densification a…
View article: Synergetic Strategy for Highly Efficient and Super Flexible Thick‐film Organic Solar Cells (Adv. Energy Mater. 31/2022)
Synergetic Strategy for Highly Efficient and Super Flexible Thick‐film Organic Solar Cells (Adv. Energy Mater. 31/2022) Open
Organic Photovoltaics In article number 2201614, Shuguang Wen, Chunming Yang, Xichang Bao, and co-workers report a synergistic strategy to fabricate efficient and super flexible thick-film organic solar cells (OSCs). The proposed comprehen…
View article: Functionalized BODIPYs as Tailor‐Made and Universal Interlayers for Efficient and Stable Organic and Perovskite Solar Cells
Functionalized BODIPYs as Tailor‐Made and Universal Interlayers for Efficient and Stable Organic and Perovskite Solar Cells Open
Solar cells based on metal halide perovskite and polymer donor:nonfullerene acceptor blend absorbers have recently witnessed a significant rise in their photovoltaic performance. However, they still suffer from some instability issues orig…
View article: Anti-Inflammatory Mechanism of An Alkaloid Rutaecarpine in LTA-Stimulated RAW 264.7 Cells: Pivotal Role on NF-κB and ERK/p38 Signaling Molecules
Anti-Inflammatory Mechanism of An Alkaloid Rutaecarpine in LTA-Stimulated RAW 264.7 Cells: Pivotal Role on NF-κB and ERK/p38 Signaling Molecules Open
Lipoteichoic acid (LTA) is a key cell wall component and virulence factor of Gram-positive bacteria. LTA contributes a major role in infection and it mediates inflammatory responses in the host. Rutaecarpine, an indolopyridoquinazolinone a…