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Epoxy vitrimer based on borate ester bond for green degradation, closed-loop recycling, and ready reprocessing
Green degradation Thermoset Dynamic covalent bond Recyclable
2023/12/1
The three-dimensional network of traditional epoxy resin endows it with suitable properties, but it also presents challenges in reprocessing and recycling. Recent years have witnessed the development ...
Academy of Mathematics and Systems Science, CAS Colloquia & Seminars：From Marc Yor to Brownian loop-soups
马克约尔 布朗循环汤 loop-soups
2023/5/8
We will survey aspects of Brownian loop-soups, which provide a higher-dimensional incarnation of some ideas present Marc Yor's works.
ADDING 3D GIS VISUALIZATION AND NAVIGATION TO THE SPARQL QUERY LOOP
3D visualization, geospatial data, Linked Data, SPARQL, REPL, data analytics
2018/11/8
3D environments allow advanced spatial navigation and visualization, but have traditionally provided limited support for performing non-spatial data analysis operations like filtering, joining, and in...
Perfect Pipelining: A New Loop Parallelization Technique
Pipelining Loop Parallelization Technique
2016/5/25
Parallelizing compilers do not handle loops in a satisfactory manner. Fine-grain transformations capture irregular parallelism inside a loop body not amenable to coarser approaches but have limited ab...
Parallelizing compilers promise to exploit the parallelism available in a given program, particularly parallelism that is too low-level or irregular to be expressed by hand in an algorithm.
Simplifying Loop Invariant Generation Using Splitter Predicates
Static analysis invariant generation decomposition of multiphase loops
2016/5/24
We present a novel static analysis technique that substantially improves the quality of invariants inferred by standard loop invariant generation techniques. Our technique decomposes multi-phase loops...
We describe a Guess-and-Check algorithm for computing algebraic equation invariants of the form ∧ifi(x1, . . . , xn) = 0, where each fi is a polynomial over the variables x1, . . . , xn of the program...
Interactive loop-shaping design of MIMO controllers
Controllers classical singular value the circulation form value optimization compensator
2015/8/12
It is shown that many classical and singular value loop shaping problems are closed-loop convex. Consequently, loop shaping problems can be solved by efficient numerical methods. In particular, it can...
Optimization of phase-locked loop circuits via geometric programming
Phase-locked loop circuit geometric programming frequency phase lock loop
2015/8/11
We describe the global optimization of phase-locked loop (PLL) circuits using geometric programming (GP). Equations for the jitter, frequency range, and power of the PLL are presented in GP form. An a...
Implementation of a closed-loop structural control system using wireless sensor networks
Structural control Wireless sensors Embedded computing Magnetorheological dampers
2015/6/30
Wireless sensor networks have rapidly matured in recent years to offer data acquisition capabilities on par with those of traditional tethered data acquisition systems. Entire structural monitoring sy...
Kinematic GPS for Closed-Loop Control of Farm and Construction Vehicles
Kinematic GPS Closed-Loop Control Farm Construction Vehicles
2015/6/29
Operating heavy equipment can be a difficult and very tedious task; control of an agricultural tractor requires the continuos attention of the driver, and farmers often work long hours during the crit...
GPS Receiver Performance Using Inertial-Aided Carrier Tracking Loop
GPS Receiver Performance Inertial-Aided Carrier Tracking Loop
2015/6/26
Radio frequency interference (RFI) has been a perplexing problem, affecting the navigation quality of the Global Positioning System (GPS). The presence of the RFI, or even hostile jamming, will reduce...
On the Probability Density Function and Stability Properties for a Cross-Product Frequency-Locked Loop
Probability Density Function Stability Properties Cross-Product Frequency-Locked Loop
2015/6/25
The frequency locked-loop (FLL) has received new attention for modern Global Navigation Satellite Systems (GNSS) receivers, especially for its performance under severe noise interference and high dyna...
Model Analysis on the Performance of an Inertial Aided FLL-Assisted-PLL Carrier-Tracking Loop in the Presence of Ionospheric Scintillations
Model Analysis Performance Inertial Aided FLL-Assisted-PLL Carrier-Tracking Loop Presence Ionospheric Scintillations
2015/6/25
Ionospheric scintillation has a significant impact on the availability of Global Positioning System (GPS) and Wide Area Augmentation System (WAAS), especially when the GPS/WAAS receiver is dynamically...
Injector Waveform Monitoring of a Diesel Engine in Real-Time on a Hardware in the Loop Bench
HIL FPGA Real-Time Injector Waveform Diesel Engine
2015/1/12
This thesis presents the development, experimentation and validation of a reliable and robust system to monitor the injector pulse generated by an Engine Control Module (ECM) and send the correspondin...