- Process Optimization and Integration
- Maritime Ports and Logistics
- Advanced Control Systems Optimization
- Vehicle Routing Optimization Methods
- Urban and Freight Transport Logistics
- Extraction and Separation Processes
- Radio Frequency Integrated Circuit Design
- Advanced Battery Technologies Research
- Supply Chain and Inventory Management
- Law, logistics, and international trade
- Advancements in Battery Materials
- Advanced Battery Materials and Technologies
- Maritime Transport Emissions and Efficiency
- Microwave Engineering and Waveguides
- Advanced Power Amplifier Design
- Advanced Manufacturing and Logistics Optimization
- Quantum Dots Synthesis And Properties
- Luminescence Properties of Advanced Materials
- Nanoplatforms for cancer theranostics
- Air Traffic Management and Optimization
- Aviation Industry Analysis and Trends
- Transportation Planning and Optimization
- Advancements in PLL and VCO Technologies
- Optimization and Packing Problems
- Glass properties and applications
International University of Japan
2011-2023
Qingdao University
2021-2023
University of Chinese Academy of Sciences
2023
Northwest University
2022
MediaTek (Taiwan)
2017-2020
Tianjin University of Traditional Chinese Medicine
2018
National University of Singapore
2006-2017
RMIT University
2015
University of Wisconsin–Milwaukee
2015
Griffith University
2015
Abstract Higher crude prices have made it even more imperative that refiners blend low‐quality and high‐quality crudes optimally to maximize their margins. Mathematical modeling of blending results in bilinear terms, which combined with commonly used feed quality specifications, make scheduling a large, nonconvex, mixed‐integer nonlinear optimization problem. The existing literature algorithms software (DICOPT/GAMS BARON/GAMS; Brooke et al., GAMS: user's guide, GAMS, 1998) fail solve...
Container terminals require robust scheduling algorithms for yard cranes to optimally determine the sequence of storage and retrieval operations in blocks higher container terminal performance. This paper investigates multiple crane problem within a generic block considers operational restrictions such as noncrossing constraint models travel time realistically. Further, fact that any two adjacent must keep an safety distance is also taken into consideration. These physical constraints limit...
钠离子电池 Na 3 Zr 2 Si PO 12 陶瓷电解质的 喷雾干燥法制备及性能优化 李榅凯, 赵 宁, 毕志杰, 郭向欣 (青岛大学 物理科学学院, 青岛 266071) 摘 要: 目前钠离子电池采用的有机电解液存在易燃易爆等安全隐患, 迫切需要开发高性能的固体电解质材料。其 中 NASICON 型 电解质具有宽电化学窗口、高机械强度、对空气稳定、高离子电导率等优点, 应用 前景广阔。但已有研究的陶瓷生坯由于黏结剂包覆不均匀导致生坯内部气孔较多, 难以烧成高致密、高离子电导的陶 瓷电解质。本研究采用喷雾干燥法, 在 颗粒表面均匀包覆黏结剂的同时对颗粒进行球形造粒, 实现颗 粒接近正态分布的粒度级配, 从而有效提高了颗粒间接触、降低了陶瓷坯体的孔隙率。制备的 陶 瓷电解质的致密度达到 97.5%, 室温离子电导率达到 6.96×10 -4 S•cm -1 , 远高于常规方法的致密度(88.1%)和离子电导率(4.
This paper presents a solution algorithm and effective mathematical formulations for short-term scheduling of crude oil unloading, storage, processing with multiple types, berths, units. The problem can be formulated as mixed-integer nonlinear programming (MINLP) model. However, solving MINLP model directly results in inconsistency quality time. proposes that iteratively solves two linear (MIP) models (NLP) model, resulting better quality, stability, efficiency than the directly. proposed...
This paper presents a novel approach to refinery planning under uncertainty. To calculate the expectation of plant revenues, which is main difficulty problem, loss functions are derived and applied. Different standard function approximation methods compared integrated into model. The results show that piecewise-linear can obtain good accuracy with improved solution speed. A general formulation for revenue cost calculations proposed by considering uncertainty in both raw material product...
Na superionic conductor-type Na1+xZr2SixP3-xO12 (0 ≤ x 3, NZSPO) is considered as one of the most promising solid electrolytes for solid-state sodium batteries, while its relatively low ionic conductivity 10−4 S cm−1 requires improvement application. In this study, a synergetic strategy applied to improve NZSPO, i.e., by combining bulk doping and grain-boundary engineering. Hf4+ selected substitution Zr4+ stabilize highly conducting rhombohedral phase. La2O3 added sintering aid promote ion...
Matter manipulation in terahertz range calls for a strong-field broadband light source. Here, we present scheme intense generation from DSTMS crystal driven by high power optical parametric chirped pulse amplifier. The generated energy is up to 175 µJ with peak electric field of 17 MV/cm. relationship between energy, conversion efficiency, and pump fluence demonstrated. This study provides powerful driving source pump-probe experimentation.
This paper describes 2×2 MIMO 802.11ac Stage 1 WiFi + BT combo SoC chip with integrated dual-band PAs, LNAs, T/R switches, as well a power management unit. The measured RX sensitivity of OFDM54M is -77.5dBm/ -77dBm in 2.4GHz and 5GHz, respectively. With the proposed broadband TX architecture, high output 17.5dBm for VHT80 256QAM was achieved, extendable to upcoming Stage2 VHT160. maximum throughput achieved 580Mbps MCS9 two-spatial stream mode, AWGN channel, short GI. occupies 27.8mm <sup...
The new WiFi 11ax standard carries several improvements compared to its 11g/ac predecessor. It supports multi-user MIMO and uses OFDMA modulation, which enables users share the same channel via allocated Resource Units (RU). In addition, it provides transmit power adjustments for better operation in a dense environment. Furthermore, calls support of MCS11 1024-QAM modulation with target (TX) EVM -35dB, results nearly 25% higher throughput MCS9 256QAM. order improve user experience guarantee...
Though toluene disproportionation is an important process for producing para-xylene, it heavily energy intensive because of its high reaction temperature and the need to separate close boiling-point components. Pinch analysis often used target utility requirements systems. Nevertheless, supply final temperatures streams are all predetermined according sequential method indicated in onion model. Therefore, ignores influences outer level facilities on inner facilities, which leads suboptimal...