A5079341273- Pharmacological Effects and Assays
- Simulation and Modeling Applications
- Stability and Control of Uncertain Systems
- Adaptive Dynamic Programming Control
- Adaptive Control of Nonlinear Systems
- Bee Products Chemical Analysis
- Robotic Path Planning Algorithms
- Advanced Research in Science and Engineering
- Robotic Mechanisms and Dynamics
- Advanced Control Systems Optimization
- Air Traffic Management and Optimization
- Natural product bioactivities and synthesis
- Industrial Technology and Control Systems
- Extenics and Innovation Methods
- advanced mathematical theories
- Satellite Communication Systems
- IPv6, Mobility, Handover, Networks, Security
- Wastewater Treatment and Nitrogen Removal
- Control Systems and Identification
- Neural Networks Stability and Synchronization
- Advanced Image Fusion Techniques
- GNSS positioning and interference
- Biochemical Analysis and Sensing Techniques
- Power Line Communications and Noise
- Evaluation Methods in Various Fields
Xi'an Technological University
2023-2024
Chongqing University
2022
University of Fukui
2020-2021
Xi'an University of Technology
2011-2020
Shanghai Customs College
2019
Xi'an University of Architecture and Technology
2019
State Radio Regulation Of China
2019
Civil Aviation Flight University of China
2013-2015
Zhejiang Entry-Exit Inspection and Quarantine Bureau
2008-2013
Entry Exit Inspection and Quarantine Bureau
2013
A novel optimal control problem is considered for multiple input output (MIMO) stochastic systems with mixed parameter drift, external disturbance and observation noise. The proposed controller can not only track identify the drift parameters in finite time but, furthermore, drive system to move towards desired trajectory. However, there a conflict between estimation, which makes analytic solution unattainable most situations. dual algorithm based on weight factor innovation is, therefore,...
摘要: 建立了食品中新型防腐剂曲酸的高效液相色谱-串联质谱的定量测定方法。动物禽肉、鱼虾甲壳类、酱菜类、水果蔬菜、面制品等固体样品经乙腈提取;酱及酱油、醋、酒、饮料、糖浆等液体样品经水稀释,乙酸锌和亚铁氰化钾沉淀蛋白;以C18柱为分离柱,流动相为乙腈和5 mmol/L乙酸铵甲酸溶液,采用电喷雾串联四极杆质谱进行检测。选择1个母离子和2个子离子进行选择反应监测,以13C6-曲酸作为内标,选择信号最强的子离子进行定量测定。固体类基质中的定量限(按信噪比(S/N)大于10计)为0.1 mg/kg;液体类基质中的定量限为2.5 mg/kg。在0.1~2.0 mg/L范围内呈现良好的线性关系,相关系数r>0.99。各种基质在3个添加水平的平均回收率在72.6%~114%之间,相对标准偏差均小于11.4%。本方法简单实用,准确可靠,适用范围包括了食品中可能使用曲酸这种食品添加剂的大部分基质,可以满足进出口食品中曲酸的定性和定量要求。
A Time Interval Petri net (TIPN) is proposed and used to model flight operation.Based on the TIPN model, delay propagation analysis algorithm provided, which reduces complexity of algorithm.Time interval constraints are attached places transitions in could turnaround time flying period.Meanwhile, firing rules for transition sequence defined based simplified derived depending reasoning ability linear logic.And also, real proposed.TIPN operation considering different initial levels source...
During performing multiple tasks of a redundant manipulator, the obstacles affect sequential order task areas and joint trajectories. The end-effector is constrained to visit with an optimal anti-collision path, while joints are required move smoothly avoid predefined obstacles. A special encoding genetic algorithm (SEGA) proposed for multitask-based trajectory planning. Firstly, spatial occupancy relationship between manipulator developed utilizing theory spherical enclosing box...
A high performance liquid chromatography-tandem mass spectrometric (HPLC-MS/ MS) method was developed for the simultaneous extraction and determination of multi-residues nine chemically synthetic anticoccidial drugs in chicken meat. Toltrazuril-D3 used as internal standard. The sample extracted by 15 mL acetonitrile/dimethyl sulfoxide (4:1, v/ v, containing 2% acetic acid), cleaned-up a QuEChERS (quick, easy, cheap, effective, rugged safe) clean-up tube with 150 mg octadecylsilyl (ODS), 100...
This paper focuses on quantifying the coexistence along with evaluating uplink interference of closely separated GSO FSS VSAT networks in 27.5-30 GHz frequency band. The analysis results show that maximum off-axis e.i.r.p. density limits Recommendation ITU-R S.524-9 have not provided sufficient guidance for protection later from unacceptable interference. Several comparative examples and without mitigation techniques are given this paper. From analysis, it can be seen considered which may...
This paper considers a dual control problem for stochastic linear MIMO (Multiple Input Multiple Output) systems with parameter uncertainty. A novel adaptive law is proposed. The design based on the innovation of cost function, which was originally developed conventional systems. However, process modified and to cater case. more challenging because superposition uncertainty property makes intractable. As in all strategies, it leads that balances out need caution, due uncertainty, conflicting...
The multiple carrier hybrid PRMA and CDMA protocol is presented based on packet reservation access (PRMA) code division (CDMA) protocol. Both the theoretic analysis (equation point analysis: EPA) computer simulation show that performance of this can increase system capacity.
The static output-feedback controller synthesis problem is investigated in this paper for linear MIMO positive delay systems. objective to construct a such that the closed-loop system positive, asymptotically stable, and L1-gain from exogenous input regulated output minimized. For systems without delay, necessary sufficient condition existence of derived. Meanwhile, new design with has been given. breaks limitations existing methods literature where, example, state-space equation specific...
In image processing, the well-designed loss functions can effectively guide model towards training goals, which play a crucial role in defining optimization objectives of neural network training. However, commonly used are widely applied among them due to their simplicity and effectiveness. Although many literatures have discussed limitations functions, consider few features information for relatively simple design paradigm, proposed more effective alternatives, still remain popular...
4D reckoning is a core technology to the next generation of air transport management. This paper mainly do research on aircraft dynamics model under given flight profile different phases performance and differences. Then, proposed two models: state switching transition between flight, System evolution continuous variation states that weight, indicated airspeed, altitude, distance others. Using mode hybrid system recursive simulation obtained trajectory analyzed effects various factors...
A strain of the high-accumulating bacterium P <sub xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">5</sub> was isolated from pond sludge. The bioreactor immobilized cell made up with cinder grain as carrier. experimental results show that under optimal operating conditions, phosphorus removal rate 99.30% and COD xmlns:xlink="http://www.w3.org/1999/xlink">Cr</sub> 92.14% to simulated wastewater 20mg/L (PO...
A method for the determination of chloramphenicol in propolis was developed by high performance liquid chromatography-tandem mass spectrometry. The flavones were removed with lead acetate solution after extraction sample water. extract cleaned up liquid-liquid extraction. Internal standard used quantitative analysis. linear range 0.05 - 2.0 microg/L and correlation coefficient (r2) 0.9996. limit detection (LOD, S/N = 3) quantitation (LOQ, 10) 0.1 microg/kg 0.3 microg/kg, respectively....