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Journal articles on the topic 'OPTIMUM COMPENSATION SCHEME'

Author: Grafiati

Published: 11 September 2023

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1

Oria, C., V. Baena-Lecuyer, J. Granado, J. Chavez, A. Torralba, and C. Pardo. "Optimum Doppler compensation scheme for DVB-H receivers." Electronics Letters 42, no. 13 (2006): 767. http://dx.doi.org/10.1049/el:20061087.

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Tian, Xu, Xingcheng Li, and Zibo Zhou. "Novel Uninterruptible Phase-Separation Passing and Power Quality Compensation Scheme Based on Modular Multilevel Converter for Double-Track Electrified Railway." Energies 13, no. 3 (2020): 738. http://dx.doi.org/10.3390/en13030738.

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Over-voltage and over-current problems of locomotives when passing phase separation and negative sequence current penetration seriously influence the safety of double-track electrified railway and public power systems. In order to solve these problems, this paper proposes a novel uninterruptible power supply phase separation passing and power quality compensation (UPSP-PQC) scheme for double-track electrified railway. Three working modes of UPSP-PQC are put forward, including uninterruptible phase separation passing mode, power quality compensation mode and uninterruptible phase separation pas

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Волосюк, Валерій Костянтинович, Володимир Володимирович Павліков, Семен Сергійович Жила та ін. "Дослідження якісних показників поляризаційної селекції об’єктів на фоні пасивних завад в поляризаційно-доплерівській радіолокаційній системі". Aerospace technic and technology, № 6 (29 листопада 2021): 62–73. http://dx.doi.org/10.32620/aktt.2021.6.07.

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The optimal algorithm of polarization-Doppler selection of targets against the background of passive interference is considered. The polarimetric properties of scattered electromagnetic radiation of objects. The functionally-determined mathematical model of the useful signal, structure and correlation characteristics of the internal radiation of the receiver is determined. The algorithm of optimal processing, synthesized within the method of maximum likelihood, is considered for two limit cases. Algorithmic actions in the processing of passive interference and methods of their compensation are

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Dhawan, Divya, and Neena Gupta. "Performance Analysis of Laser Phase Noise Compensated COOFDM System." Journal of Optical Communications 41, no. 4 (2020): 445–51. http://dx.doi.org/10.1515/joc-2018-0002.

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AbstractOrthogonal Frequency Division Multiplexing along with the coherent detection and spectrally efficient modulation formats is a promising solution for long haul and high speed communication systems. Although they offer significant advantages which make them suitable for high speed and long haul communication systems they all are susceptible to phase noise. In this paper a combination of RF-pilot-based approach followed by pilot-based equalization approach is used for laser phase noise compensation. The various parameters such as drive voltage, bias voltage and extinction ratio are optimi

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Kurda, Reben. "Heterogeneous networks: Fair power allocation in LTE-A uplink scenarios." PLOS ONE 16, no. 6 (2021): e0252421. http://dx.doi.org/10.1371/journal.pone.0252421.

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Effective management of radio resources and service quality assurance are two of the essential aspects to furnish high-quality service in Long Term Evolution (LTE) networks. Despite the base station involving several ingenious scheduling schemes for resource allocation, the intended outcome might be influenced by the interference, especially in heterogeneous scenarios, where many kinds of small cells can be deployed under the coverage of macrocell area. To develop the network of small cells, it is essential to take into account such boundaries, in particular, mobility, interference and resourc

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Chen, Xiangping, Yongxiang Cai, Xiaobing Xiao, Youzhuo Zheng, and Anqian Yang. "Solar Energy Compensation for Building Energy Saving with Thermal Comfort in a Cold Climate." Electronics 11, no. 3 (2022): 491. http://dx.doi.org/10.3390/electronics11030491.

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This paper proposes an energy-saving strategy with assistance from solar thermal compensation for building energy systems. The target of the control strategy was to minimize energy consumption under thermal comfort constraints in buildings. First, the factors influential to indoor temperature in building environments were analyzed. Secondly, the internal and external factors, such as building materials; building orientation; window size; heating, ventilation, and air conditioning (HVAC) facilities; blinding device; solar irradiation; wind speed; and outdoor temperature were used to construct a

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Futatsukawa, K., E. Cicek, Z. Fang, Y. Fukui, S. Mizobata, and Y. Sato. "Development of the novel and superior adaptive beam-loading compensation system calculated in the frequency domain for the J-PARC Linac." Journal of Instrumentation 17, no. 11 (2022): T11002. http://dx.doi.org/10.1088/1748-0221/17/11/t11002.

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Abstract The Japan Proton Accelerator Research Complex (J-PARC) is one of the highest intensity proton accelerator facilities in the world. Its accelerator consists of a 400-MeV linac (LINAC), a 3-GeV rapid-cycling synchrotron (RCS), and a 30-GeV main ring (MR) and its beam is provided for wide-ranging applications. The peak current of the beam at LINAC had been increased from 30 mA to the design value of 50 mA in 2018. Therefore, the performance of the beam-loading compensation implementing in the low-level radio frequency (LLRF) system has been more important to satisfy the stability of the

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Awang Ahmad, Zahari, Tien Sze Lim, Voon Chet Koo, Shuhaizar Daud, Muhamad Asmi Romli, and Rafikha Aliana A. Raof. "A High Efficiency Gyrostabilizer Antenna Platform for Real-Time UAV Synthetic Aperture Radar (SAR) Motion Error Compensation." Applied Mechanics and Materials 892 (June 2019): 16–22. http://dx.doi.org/10.4028/www.scientific.net/amm.892.16.

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A gyro-stabilized antenna platform could implement a real-time motion compensation for a SAR system. Since motion errors reduce during the data acquisition process, post-processing load also reduces. Subsequently, production of well-focused, and high-resolution synthetic aperture radar (SAR) images is conceivable. The research is to design a gyro-stabilized SAR antenna platform that compensates motion in real time during data acquisition. This paper explains the study of undesired motion (error) for typical UAV SAR. The resulting angle ranges of yaw, pitch, and roll describe the magnitude of t

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Yuan, Ye, and Cheng Liu. "Passive Power Filter Optimization Problem Based on Adaptive Multipopulation NSGA-II and CRITIC-TOPSIS." Mathematical Problems in Engineering 2022 (October 25, 2022): 1–18. http://dx.doi.org/10.1155/2022/5753651.

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The best configuration of passive filters in extra-high voltage systems is investigated in this study using a two-stage multiobjective decision-making (MODM) framework. A collection of Pareto solutions is found using an adaptive multipopulation-modified nondominated ranking genetic algorithm (AMP NSGA-II) in the first stage. The goals taken into account include the least fundamental reactive power compensation losses, overall cost and maintenance cost, and simultaneous minimum harmonic current distortion rate. The objective weights are determined and the optimum solution is chosen in the secon

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Subhash, Bochu, and Veramalla Rajagopal. "EPLL Control Technique Optimum Controller Gains to Control Voltage and Frequency in Standalone Wind Energy Conversion System." European Journal of Electrical Engineering 24, no. 1 (2022): 55–65. http://dx.doi.org/10.18280/ejee.240108.

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This study describes how to regulate the frequency and terminal voltage of a freestanding wind energy conversion system using an Enhanced Phase Locked Loop (EPLL)-based strategy to supply power to varied loads regardless of wind speed. In a standalone wind turbine energy conversion system, the EPLL control scheme extracts the reference source currents (SWECS). The control algorithm employs two proportional-integral (PI) controllers to create the active and reactive power components of the consumers' load currents, estimate reference source currents, and connect the zigzag transformer to PCC wi

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Sekhar Mishra, Chandra, Ranjan Kumar Jena, and Soumya Ranjan Nayak. "PQ improvement of Micro-Grid by Using DG and Power Quality Conditioner with BESS." International Journal of Engineering & Technology 7, no. 2.32 (2018): 245. http://dx.doi.org/10.14419/ijet.v7i2.32.15577.

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DG Grid interfaced system has been focused through this paper. The objective is to improve power quality of the grid, which was polluted by various means. The improvement of power quality of the micro grid includes uses of a specially designed DG, BESS and Power Quality conditioner. The system consists of a two-stage power conversion. Solar PV supplies power for both DC and AC loads. Manufacturer datasheet is used for modeling the PV panel. In order to keep the BUS voltage stable a BESS is joined to DC BUS through power electronic converter, which is used to absorb the excess power whenever pr

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NASSERI, Abolfazl, Hossein Ali FALLAHI, and Vahid REZAVERDINEJAD. "Single Irrigation Enhanced Water Productivity of Rainfed Wheat under Mediterranean Environment." Notulae Scientia Biologicae 11, no. 2 (2019): 277–82. http://dx.doi.org/10.15835/nsb11210398.

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Single or double irrigations of wheat are necessary to obtain optimum yield in a humid region with insufficient rainfall for agricultural production. Therefore, the hereby study was conducted with the aim of analysis of water productivity under rainfed and (single or double) irrigated conditions in a Mediterranean environment during 11 cropping years. There were investigated four treatments for irrigation management of wheat viz. rainfed without irrigation (T0), single irrigation at the flowering stage (T1), single irrigation at the grain filling stage (T2) and double irrigation at the floweri

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Denisov, Y., О. Denisov, and G. Bolotov. "INCREASING THE TIME OF USING THE ENERGY RESOURCE OF THE ON-BOARD ACCUMULATORY BATTERY BY IMPROVING THE QUALITY OF CONTROLLING THE ELECTRIC QUADCOPTER'S PROPELLER DRIVES." Наукові праці Державного науково-дослідного інституту випробувань і сертифікації озброєння та військової техніки 14, no. 4 (2022): 36–44. http://dx.doi.org/10.37701/dndivsovt.14.2022.04.

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A review of the current state in quadcopters’ flight control systems showed that the electric drives of their propellers are performed according to single-circuit schemes with feedback on rotational speed in which the error in the results of monitoring the angles of roll, pitch, yaw is worked out by a control system with a PI or PID regulator. There is no astaticism load in such systems and the parameters of the current consumed from the on-board battery are not optimized. The consequence of this is a decrease of service life on-board battery and low quality flight control when the load change

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14

Lin, Xian Kun, and Qian Qian Wu. "Partial Least Squares Regression Analysis of Thermal Distortion Behavior for Linear Motor Drive Feed System." Advanced Materials Research 690-693 (May 2013): 3001–6. http://dx.doi.org/10.4028/www.scientific.net/amr.690-693.3001.

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In order to explore the effect factors of thermal distortion behavior of the high speed feeding system, a methodology with partial least squares linear regression (PLSR) was brought forward to analyze the thermal process on the basis of experiments. The feeding system test-bed and the thermal behavior measurement system were established for the experiments. The experiments were conducted under both the natural heating and force cooling condition to show the feasibility of the method. The experimental scheme and procedure were also introduced in detail. On the basis of the experiments and the r

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Gong, Zhaopei, Liang Ding, Honghao Yue, et al. "System integration and control design of a maglev platform for space vibration isolation." Journal of Vibration and Control 25, no. 11 (2019): 1720–36. http://dx.doi.org/10.1177/1077546319836892.

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Micro-vibration has been a dominant factor impairing the performance of scientific experiments which are expected to be deployed in a micro-gravity environment such as a space laboratory. The micro-vibration has serious impact on the scientific experiments requiring a quasi-static environment. Therefore, we proposed a maglev vibration isolation platform operating in six degrees of freedom (DOF) to fulfill the environmental requirements. In view of the noncontact and large stroke requirement for micro-vibration isolation, an optimization method was utilized to design the actuator. Mathematical

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Zhou, Wenkai, Wenming Wang, and Chuang Sun. "Optimal Calibration Method of PIGA’s Orthogonal Poses for Gravity Field Testing." Journal of Sensors 2023 (August 5, 2023): 1–20. http://dx.doi.org/10.1155/2023/7441499.

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With the increasing requirements for accuracy of pendulous integrating gyroscopic accelerometer (PIGA), the key to the development of accuracy of PIGA is the advanced calibration methods. This paper focuses on the calibration method of the main error coefficients of PIGA on the indexing head table. The precise input accelerations and angular velocities are deduced and the complete error calibration model is established based on the corresponding coordinate systems. Then, the orthogonal 4-pose calibration method of dual PIGAs is proposed to identify the harmonic term coefficients of angle error

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17

Watt, Richard, and Francisco J. Vázquez. "Optimal accident compensation schemes." Spanish Economic Review 11, no. 1 (2008): 75–82. http://dx.doi.org/10.1007/s10108-008-9047-5.

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18

Cardoso, David, and Paulo J. Pereira. "A compensation scheme for optimal investment decisions." Finance Research Letters 14 (August 2015): 150–59. http://dx.doi.org/10.1016/j.frl.2015.05.004.

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B Thilaka, Janaki Sivasankaran, and S Udayabaskaran. "Optimal Time for Withdrawal of Voluntary Retirement Scheme with a Probability of Acceptance of Retirement Request." December 2020 02, no. 04 (2020): 201–6. http://dx.doi.org/10.36548/jitdw.2020.4.002.

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Voluntary retirement schemes are observed in certain sectors of the Indian Industry such as Banking and Insurance. There is a need to determine the optimal time to withdraw a voluntary retirement scheme (VRS), balancing the reduction of high compensation of a segment of employees, prevent mass voluntary turnover from the grade, achieve optimal productivity and ensure normal business operations. In this paper an approach to derive an optimal policy to withdraw a voluntary retirement scheme considering a probability of acceptance of a retirement request, cost due to announcing a voluntary retire

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Li, Shupeng, Zhenbin Li, Yuyan Man, Qirui Li, Yali Liu, and Guangyao Yu. "Research on Optimal Allocation of Reactive Power Compensation in Offshore Wind Power Transmission System via AC Cable Based on Controllable Reactor." Journal of Physics: Conference Series 2401, no. 1 (2022): 012062. http://dx.doi.org/10.1088/1742-6596/2401/1/012062.

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Abstract The capacitance of submarine cables with the same length and the same voltage level is more than 20 times that of overhead lines, which makes the reactive power for AC transmission system of offshore wind power greatly increase and the power flow is complicated, and it is easier to produce a series of problems such as reactive power return, low power factor, increased network loss, and terminal voltage rise, which puts forward higher requirements for reactive power compensation configuration scheme. Combined with practical engineering cases, this paper introduces the reactive power an

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Rajab, Husam, Baolin Ren, and Tibor Cinkler. "A Novel Approach to Enhance the Energy Efficiency of a NOMA Network." Telecom 4, no. 3 (2023): 611–28. http://dx.doi.org/10.3390/telecom4030027.

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Spectral efficiency is crucial for implementing 5G cellular networks and beyond. Non-orthogonal multiple access (NOMA) is a promising scheme to enhance efficiency. This paper introduces two improvements that will further enhance the channel capacity using the NOMA algorithm. We first introduce a novel algorithm, the User Sub-Channel Fair Matching Algorithm (USFMA), by applying a new sub-channel sorting and compensations scheme and then benefiting from the well-known Hungarian algorithm to allocate users to each sub-channel in a way that guarantees an optimum overall system performance. Then, f

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Vadivel, Srinivasan, C. S. Boopthi, Sridhar Ramasamy, Mominul Ahsan, Julfikar Haider, and Eduardo M. G. Rodrigues. "Performance Enhancement of a Partially Shaded Photovoltaic Array by Optimal Reconfiguration and Current Injection Schemes." Energies 14, no. 19 (2021): 6332. http://dx.doi.org/10.3390/en14196332.

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The output of a photovoltaic array is reduced considerably when PV panels are shaded even partially. The impact of shading causes an appreciable loss in power delivery, since the PV panels are connected in series and parallel to contribute to the required voltage and power for the load. The prevailing research on mitigating the shading impact is mostly based on complex reconfiguration strategies where the PV panels are subjected to complex rewiring schemes. On the other hand, to disperse the shading many studies in the literature defend the physical rearrangement of the panels. The available i

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Troncoso Romero, David Ernesto, Massimiliano Laddomada, and Gordana Jovanovic Dolecek. "Optimal Sharpening of Compensated Comb Decimation Filters: Analysis and Design." Scientific World Journal 2014 (2014): 1–9. http://dx.doi.org/10.1155/2014/950860.

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Comb filters are a class of low-complexity filters especially useful for multistage decimation processes. However, the magnitude response of comb filters presents a droop in the passband region and low stopband attenuation, which is undesirable in many applications. In this work, it is shown that, for stringent magnitude specifications, sharpening compensated comb filters requires a lower-degree sharpening polynomial compared to sharpening comb filters without compensation, resulting in a solution with lower computational complexity. Using a simple three-addition compensator and an optimizatio

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El Moursi, Mohammed, A. M. Sharaf, and Khalil El-Arroudi. "Optimal control schemes for SSSC for dynamic series compensation." Electric Power Systems Research 78, no. 4 (2008): 646–56. http://dx.doi.org/10.1016/j.epsr.2007.05.009.

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Tumaeva, E. V., S. S. Kuzin, I. F. Aflyatunov, and T. G. Makuseva. "Solution of the problem of optimum power distribution of individual compensating devices for a group of asynchronous motors for a stable operating mode and for a smoothly changing load." E3S Web of Conferences 220 (2020): 01015. http://dx.doi.org/10.1051/e3sconf/202022001015.

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Residential and industrial buildings with large territorial dimensions, have mainly radial power supply schemes, which feed a large number of small and medium capacity 0.4 kV induction motors. For their power supply copper or aluminum cables of small cross-section (with high active resistance) are used. Calculations of electricity losses in such lines show significant values. In order to reduce active power losses in 0.4 kV cable lines, the optimization problem of minimizing active power losses in the radial power supply circuit is solved by optimal distribution of reactive power of a given va

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Yan, Xiuying, Cong Liu, Meili Li, Ating Hou, Kaixing Fan, and Qinglong Meng. "Climate Compensation and Indoor Temperature Optimal Measuring Point Energy Saving Control in VAV Air-Conditioning System." Energies 12, no. 22 (2019): 4398. http://dx.doi.org/10.3390/en12224398.

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Temperature measuring point is the key to room environment control. Temperature measuring points and climate changes are directly related to the room control effect. It is of great theoretical and practical significance to study the temperature measuring points and control strategy based on climate compensation. In this study, first, the climate compensation concept in a heating system was introduced into a variable air volume (VAV) air-conditioning system. The heating load was modeled as a function of supply air temperature by analyzing the heat exchange. Based on each control link of subsyst

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Chen, Zhigang, Qianyue Meng, Huichuan Wang, Rongwei Xu, Yongxi Yi, and Ying Zhang. "Dynamic Optimal Control Differential Game of Ecological Compensation for Multipollutant Transboundary Pollution." Complexity 2021 (July 1, 2021): 1–15. http://dx.doi.org/10.1155/2021/5530971.

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This paper studies a Stackelberg differential game between an upstream region and a downstream region for transboundary pollution control and ecological compensation in a river basin and increases the number of pollutants assumed in the model to multiple. Emission and green innovation investment between upstream and downstream regions in the same basin is a Stackelberg game, and the downstream region provides economic compensation for green innovation investment in the upstream region. The results show that there is an optimal ecological compensation rate, and a Pareto improvement result can b

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Maass, Alejandro I., Francisco J. Vargas, and Eduardo I. Silva. "Optimal control over multiple erasure channels using a data dropout compensation scheme." Automatica 68 (June 2016): 155–61. http://dx.doi.org/10.1016/j.automatica.2016.01.061.

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Vetro, Anthony, and Huifang Sun. "Frequency domain down-conversion of HDTV using an optimal motion compensation scheme." International Journal of Imaging Systems and Technology 9, no. 4 (1998): 274–82. http://dx.doi.org/10.1002/(sici)1098-1098(1998)9:4<274::aid-ima9>3.0.co;2-7.

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Liu, Rui, Donghua Wei, Yingying Liu, and Yiheng Liu. "Feasibility of autonomous orbit keeping with optimal fuel consumption using drag-free CubeSat." Journal of Physics: Conference Series 2489, no. 1 (2023): 012011. http://dx.doi.org/10.1088/1742-6596/2489/1/012011.

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Abstract In this paper, the composition of the drag-free CubeSat platform was introduced first. Then the control strategy of drag-free CubeSat orbit keeping was proposed. Finally, the simulation with the control scheme of the Homan transfer orbit was compared. By comparing and analyzing the fuel consumption of the drag-free track and Homan transfer track, it is demonstrated that the continuous drag compensation of the drag-free control scheme can significantly reduce the consumption of thruster mass, and the drag-free technology has good advantages in track stability.

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Breuer, D., K. Jürgensen, F. Küppers, A. Mattheus, I. Gabitov, and S. K. Turitsyn. "Optimal schemes for dispersion compensation of standard monomode fiber based links." Optics Communications 140, no. 1-3 (1997): 15–18. http://dx.doi.org/10.1016/s0030-4018(97)00167-3.

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Xie, Yibing, and Yang Wu. "Investment Strategy of Reactive Power Compensation Scheme in Wind Turbine Distribution Network Based on Optimal Allocation." Journal of Sensors 2022 (April 27, 2022): 1–8. http://dx.doi.org/10.1155/2022/7037451.

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The development and application of new energy have been paid more and more attention by governments of various countries since the 21st century. It is of practical engineering significance to study reactive power compensation of wind turbine distribution network. In view of the problems of poor grid quality and increased active power loss caused by a large amount of reactive power transmission during the operation of wind farms, based on the improved genetic algorithm, aiming at the minimum compensation capacity and the minimum voltage deviation of load nodes, a multiobjective optimization sch

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Wang, Xiao Wen, and Yan Hui Zhao. "Optimal Planning on Reactive Power Compensation of Distribution Network Based on Back/Forward Sweep Method and Tabu Search Algorithm." Applied Mechanics and Materials 672-674 (October 2014): 1132–36. http://dx.doi.org/10.4028/www.scientific.net/amm.672-674.1132.

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This paper proposes the optimization method on reactive power compensation of distribution network. The objective is that total loss difference between before being compensated and after should get maximum. The method adopts back/forward sweep method for calculating power flow to obtain total active network loss. Then global neighborhood searching strategy and aspiration criterion for fixed parallel capacitor are established by tabu search algorithm. The optimal installation location and compensation capacity of fixed parallel capacitor are determined. Optimizing simulation on a 34 nodes distr

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FUNAHASHI, Yasuyuki, and Hisao KATO. "Minimal Time Dead-Beat Control with Optimal Robustness by Two-Parameter Compensation Scheme." Transactions of the Society of Instrument and Control Engineers 24, no. 5 (1988): 483–89. http://dx.doi.org/10.9746/sicetr1965.24.483.

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Dong, Yinghui, Wenxin Lv, Siyuan Wei, and Yeyang Gong. "Optimal Investment of DC Pension Plan under Incentive Schemes and Loss Aversion." Mathematical Problems in Engineering 2020 (May 18, 2020): 1–14. http://dx.doi.org/10.1155/2020/5145848.

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We investigate the DC pension manager’s portfolio problem when the manager is remunerated through two schemes for DC pension managerial compensation under loss aversion and minimum guarantee. We apply the concavification technique and a static Lagrangian technique to solve the problem and derive the closed-form representation of the optimal wealth and portfolio processes. Theoretical and numerical results show that the incentive schemes can significantly impact the distribution of the optimal terminal wealth.

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Wang, Faguang, Hongmei Wang, Yong Zhang, and Xijin Guo. "T-S Fuzzy-Based Optimal Control for Minimally Invasive Robotic Surgery with Input Saturation." Journal of Sensors 2018 (2018): 1–9. http://dx.doi.org/10.1155/2018/5738274.

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A minimally invasive surgery robot is difficult to control when actuator saturation exists. In this paper, a Takagi-Sugeno fuzzy model-based controller is designed for a minimally invasive surgery robot with actuator saturation, which is difficult to control. The contractively invariant ellipsoid theorem is applied for the actuator saturation. The proposed scheme can be derived using the H-infinity control theorem and parallel distributed compensation. The result is rebuilt in the form of linear matrix inequalities for easier calculation by computer. Meanwhile, the uniformly ultimately bounded

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Basu, Arnab K. "Impact of rural employment guarantee schemes on seasonal labor markets: optimum compensation and workers’ welfare." Journal of Economic Inequality 11, no. 1 (2011): 1–34. http://dx.doi.org/10.1007/s10888-011-9179-y.

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Wei, Dong, Chunyan Feng, Caili Guo, and Liu Fangfang. "A Power Amplifier Energy Efficient Polarization Modulation Scheme Based on the Optimal Pre-Compensation." IEEE Communications Letters 17, no. 3 (2013): 513–16. http://dx.doi.org/10.1109/lcomm.2013.012313.122639.

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Kim, Sangphill, Lowell Alahassane Diallo, and Lawrence Klein. "Selecting optimal executive compensation scheme under uncertainty and the role of the covariance factors." Managerial Finance 25, no. 9 (1999): 1–20. http://dx.doi.org/10.1108/03074359910766127.

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FUNAHASHI, Yasuyuki, and Manabu YAMADA. "Ripple-Free Optimal Deadbeat Control Using Two-Degrees-of-Freedom Compensator Scheme." Transactions of the Society of Instrument and Control Engineers 27, no. 1 (1991): 33–40. http://dx.doi.org/10.9746/sicetr1965.27.33.

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Li, Cuixia, Zhiquan Shang, Li Shi, Wenlong Gao, and Shuyan Zhang. "IC-SNN: Optimal ANN2SNN Conversion at Low Latency." Mathematics 11, no. 1 (2022): 58. http://dx.doi.org/10.3390/math11010058.

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The spiking neural network (SNN) has attracted the attention of many researchers because of its low energy consumption and strong bionics. However, when the network conversion method is used to solve the difficulty of network training caused by its discrete, too-long inference time, it may hinder the practical application of SNN. This paper proposes a novel model named the SNN with Initialized Membrane Potential and Coding Compensation (IC-SNN) to solve this problem. The model focuses on the effect of residual membrane potential and rate encoding on the target SNN. After analyzing the conversi

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Dai, Jiao, Chunsheng Liu, and Jingliang Sun. "Adaptive optimal fault-tolerant control scheme for a class of strict-feedback nonlinear systems." Transactions of the Institute of Measurement and Control 41, no. 4 (2018): 1079–87. http://dx.doi.org/10.1177/0142331218786529.

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An active optimal fault-tolerant control (FTC) scheme for a class of nonlinear systems in strict-feedback form in the presence of partial loss of actuator effectiveness faults is proposed, using backstepping design technique and adaptive dynamic programming (ADP) algorithm to compensate the effects of failure. The proposed FTC scheme consists of feedforward controller that achieve the objective of fault-tolerant and feedback optimal controller, which can guarantee the performance index function is minimized. Since fault estimation and control law parameters are updated online, the control syst

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Xu, Shigang, and Yang Liu. "Pseudoacoustic tilted transversely isotropic modeling with optimal k-space operator-based implicit finite-difference schemes." GEOPHYSICS 83, no. 3 (2018): T139—T157. http://dx.doi.org/10.1190/geo2017-0472.1.

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Current temporal high-order finite-difference (FD) stencils are mainly designed for isotropic wave equations, which cannot be directly extended to pseudoacoustic wave equations (PWEs) in tilted transversely isotropic (TTI) media. Moreover, it is difficult to obtain the time-space domain FD coefficients for anisotropic PWEs based on nonlinear dispersion relations in which anisotropy parameters are coupled with FD coefficients. Therefore, a second-order FD for temporal derivatives and a high-order FD for spatial derivatives are commonly used to discretize PWEs in TTI media. To improve the tempor

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Wang, Qing, Yadong Dou, Liang Cheng, and Yinglin Ke. "Shimming design and optimal selection for non-uniform gaps in wing assembly." Assembly Automation 37, no. 4 (2017): 471–82. http://dx.doi.org/10.1108/aa-02-2017-021.

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Purpose This paper aims to provide a shimming method based on scanned data and finite element analysis (FEA) for a wing box assembly involving non-uniform gaps. The effort of the present work is to deal with gap compensation problem using hybrid shims composed of solid and liquid forms. Design/methodology/approach First, the assembly gaps of the mating components are calculated based on the scanned surfaces. The local gap region is extracted by the seed point and region growth algorithm from the scattered point cloud. Second, with the constraints of hole margin, gap space and shim specificatio

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Hao, Ning, Peixuan Sun, Luze Yang, Yu Qiu, Yingzi Chen, and Wenjin Zhao. "Optimal Allocation of Water Resources and Eco-Compensation Mechanism Model Based on the Interval-Fuzzy Two-Stage Stochastic Programming Method for Tingjiang River." International Journal of Environmental Research and Public Health 19, no. 1 (2021): 149. http://dx.doi.org/10.3390/ijerph19010149.

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In this work, based on the upper line of water resources utilization and the bottom line of water environmental quality of “Three Lines, Single Project”, a fuzzy optimization method was introduced into the Tingjiang River water resources optimal allocation and eco-compensation mechanism model, which is based on the interval two-stage (ITS) stochastic programming method. In addition, a Tingjiang River water resources allocation and eco-compensation mechanism model based on the interval fuzzy two-stage (IFTS) optimization method was also constructed. The objective functions of both models were t

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Elyaalaoui, Kamal, Moussa Labbadi, Mohammed Ouassaid, and Mohamed Cherkaoui. "Optimal Fractional Order Based on Fuzzy Control Scheme for Wind Farm Voltage Control with Reactive Power Compensation." Mathematical Problems in Engineering 2021 (March 2, 2021): 1–12. http://dx.doi.org/10.1155/2021/5559242.

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Voltage stability margin is ensured through the reactive power resources. In order to generate the reactive power references and ensure the low-voltage ride-through (LVRT) control of a wind farm system based on squirrel cage induction generator, this paper proposed an optimal control approach based on fractional-order (FO) PI-fuzzy-PI (FOPI-fuzzy-FOPI) controller. The proposed control method ensures, also, the demand for active and reactive power predetermined by the transmission system operator (TSO) and satisfies the grid code recommendations. In order to achieve a faster tracking of state v

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Xie, Chongjin, and Peida Ye. "Optimal schemes for dispersion compensation of nondispersion-shifted fiber-based links with chirped fiber gratings." Microwave and Optical Technology Letters 21, no. 3 (1999): 183–85. http://dx.doi.org/10.1002/(sici)1098-2760(19990505)21:3<183::aid-mop8>3.0.co;2-j.

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Shi, Yapeng, Xiaolong He, Wenpeng Zou, et al. "Multi-Objective Optimal Torque Control with Simultaneous Motion and Force Tracking for Hydraulic Quadruped Robots." Machines 10, no. 3 (2022): 170. http://dx.doi.org/10.3390/machines10030170.

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Model-based force control for motion and force tracking faces significant challenges on real quadruped platforms due to the apparent model inaccuracies. In this paper, we present a multi-objective optimal torque control for hydraulic quadruped robots under significant model errors, such as non-modelable hydraulic components, linearization, disturbances, etc. More specifically, the centroidal dynamics are first modeled to project the dynamics of the floating-based whole-body behaviors to the centroidal frame. Model error compensation mechanisms are subsequently developed to track the reference

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Xu, Z. Y., X. Q. Yan, X. Zhang, and A. Wen. "Optimal compensating scheme for limiting secondary arc current of 1000-kV UHV short parallel lines." IET Generation, Transmission & Distribution 6, no. 12 (2012): 1235–42. http://dx.doi.org/10.1049/iet-gtd.2011.0692.

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Toca, Alexei, and Ion Stingaci. "Solutions in Limit Deviations for Optimum Dimensional Structures of Technological Processes of Machining." Applied Mechanics and Materials 657 (October 2014): 936–40. http://dx.doi.org/10.4028/www.scientific.net/amm.657.936.

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In the paper the analysis of the dimensional structure of different manufacturing process is made. There are shown that the different schemes of the designer sizes result in a different level of an optimality of a dimensional structure. At definition of number of the technological sizes as criterium of a optimality it is necessary to allow both formation of the intermediate sizes and the effect of errors compensation. The effect of errors compensation is the reason for the change of the sizes nominals and its limit deviations. The detail subjected to machining, is characterized by constructive

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