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Статті в журналах з теми "Dual adaptive brake system"

Автор: Grafiati

Опубліковано: 30 травня 2022

Оновлено: 31 травня 2022

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1

Wang, Xiangyu, Xiuheng Wu, Shuo Cheng, Jialei Shi, Xianyao Ping, and Wei Yue. "Design and Experiment of Control Architecture and Adaptive Dual-Loop Controller for Brake-by-Wire System With an Electric Booster." IEEE Transactions on Transportation Electrification 6, no. 3 (September 2020): 1236–52. http://dx.doi.org/10.1109/tte.2020.3010279.

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2

M, Yuvaperiyasamy, and Hariganesh V. "Thermal Analysis of Dual Brake System." IOSR Journal of Mechanical and Civil Engineering 11, no. 1 (2014): 46–52. http://dx.doi.org/10.9790/1684-11154652.

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3

Farshizadeh, Emad, David Steinmann, Hermann Briese, and Hermann Henrichfreise. "A concept for an electrohydraulic brake system with adaptive brake pedal feedback." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 229, no. 6 (March 16, 2015): 708–18. http://dx.doi.org/10.1177/0954407015574172.

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4

Cho, Sukhwan, Rebecca Anne Bandy, John Ferris, Joerg Schlinkheider, and Marc Wimmershoff. "Location-Aware Adaptive Vehicle Dynamics System: Brake Modulation." SAE International Journal of Passenger Cars - Mechanical Systems 7, no. 2 (April 1, 2014): 482–87. http://dx.doi.org/10.4271/2014-01-0079.

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5

Hirotomi, Tetsuya. "User-Adaptive Brake Assist System for Rolling Walkers." Journal of Robotics and Mechatronics 33, no. 4 (August 20, 2021): 911–18. http://dx.doi.org/10.20965/jrm.2021.p0911.

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Анотація:

Rolling walkers are popular mobility aids for older adults. A rolling walker usually has two swivel front wheels and two non-swivel rear wheels. It is designed to improve stability while walking and reduce the risk of falling. However, a considerable number of users have come close to or experienced falling. We developed a user-adaptive brake assist system for the walker. In the system, the usage of a walker is modeled in combination with the walking speed and the distance from the walker to the user. A brake pattern is generated based on usage data interpolated using the inverse distance weighting method. The pattern is referenced to activate brakes with the corresponding strength while walking. The applicability was confirmed by analyzing the walking data of two older adults, and the usability was positively evaluated in experiments with seven young adults wearing elderly simulation suits.

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6

Zheng, Zhu An, Chuan Xue Song, Hui Lin, and Si Lun Peng. "Research of the Brake Pedal Feel on Wire-by-Brake-System." Advanced Materials Research 655-657 (January 2013): 1131–35. http://dx.doi.org/10.4028/www.scientific.net/amr.655-657.1131.

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Analysis and comparison with conventional brake systems and brake-by-wire-system with pedal stroke simulator, and the establishment of the pedal stroke simulator model with the AMESim software, joint Matlab/Simulink software to design single neuron adaptive intelligent PID control strategy of the pedal stroke simulator. Through simulation verification draw that this brake-by-wire-systems and the control strategy can achieve the requirements of brake pedal feel of conventional brake systems, and effectively improve comfort during braking.

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7

Bogomolov, Viktor, Valeriy Klimenko, Dmytro Leontiev, Oleksandr Kuripka, Andrii Frolov, and Yevhen Don. "FEATURES OF ADAPTIVE BRAKE CONTROL OF THE SECONDARY BRAKE SYSTEM OF A MULTI-AXLE VEHICLE." Automobile transport, no. 48 (May 29, 2021): 27–37. http://dx.doi.org/10.30977/at.2219-8342.2021.48.0.27.

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Problem. A malfunction of the service braking system of a wheeled vehicle (CTS) significantly affects road safety, especially when operating multi-axle vehicles with large masses. One of the ways to increase the level of road safety of multi-axle vehicles, when braking them using a spare (emergency) braking system, is the introduction of automated adaptive braking systems into the design of the brake drive of vehicles. The definition of the limits of the use of the adaptive braking system on vehicles with many axles is almost not disclosed in the scientific and technical literature, therefore, the issue of using such a system on vehicles with a large number of axles requires additional research. Purpose. The purpose of this work is to develop a simulation model for adaptive control of the braking process of a multi-axle vehicle using a spare (emergency) braking system, taking into account the simulation of the dynamics of the drive and the variability of the adhesion properties between the tire of the vehicle wheel and the road surface. Methodology. To achieve this goal, it is necessary to develop a simulation model of the brake drive in an adaptive mode, implement a model of the interaction of the tire with the road surface, and implement a model of the braking dynamics of a multi-axle vehicle in the event of a malfunction of its service brake system. Originality. The proposed key criterion (Kr) for changing the throttle section in electro-pneumatic pressure modulators, which provide adaptive air inlet or outlet from the corresponding brake chambers of the drive, during simulation, made it possible to simulate the operation of the drive circuits in the adaptive mode. It has been established that, depending on the potential for the realization of the adhesion between the tires of automobile wheels and the road surface, the pressure in the electro-pneumatic brake drive with its adaptive regulation can be increased by no more than 0.04 MPa.

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8

Han, Dong Seop, Geun Jo Han, and Dong Hwan Choi. "A Study on Durability Enhancement of Band Brake for Mooring Winch." Advanced Materials Research 201-203 (February 2011): 314–17. http://dx.doi.org/10.4028/www.scientific.net/amr.201-203.314.

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Анотація:

The brake system is very important part of the machine working. The mooring winch brake holds the ship on the harbor. But sometimes it appeared the excessive stress and brake lining would be broken. So it is necessary to change the shape of brake system with improve the durability of brake band. In this research, three models, such as a single brake shoe with a uniform thickness, a dual brake shoe with a uniform thickness, and a dual brake shoe with different thickness, are adopted as analytic model. In order to evaluate the strength of band brake according to the shape of brake shoe, the finite element analysis for three models is carried out by using ANSYS Workbench.

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9

Kum, Daehyun, and Hoon Sung Chwa. "Adaptive Brake System Software Platform for Self-Driving Cars." Journal of Institute of Control, Robotics and Systems 27, no. 3 (March 31, 2021): 197–201. http://dx.doi.org/10.5302/j.icros.2021.20.0178.

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10

Nadeau, Jonathan, Philippe Micheau, and Maxime Boisvert. "Collaborative control of a dual electro-hydraulic regenerative brake system for a rear-wheel-drive electric vehicle." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 233, no. 4 (February 16, 2018): 1035–46. http://dx.doi.org/10.1177/0954407018754678.

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Анотація:

Within the field of electric vehicles, the cooperative control of a dual electro-hydraulic regenerative brake system using the foot brake pedal as the sole input of driver brake requests is a challenging control problem, especially when the electro-hydraulic brake system features on/off solenoid valves which are widely used in the automotive industry. This type of hydraulic actuator is hard to use to perform a fine brake pressure regulation. Thus, this paper focuses on the implementation of a novel controller design for a dual electro-hydraulic regenerative brake system featuring on/off solenoid valves which track an “ideal” brake force distribution. As an improvement to a standard brake force distribution, it can provide the reach of the maximum braking adherence and can improve the energy recovery of a rear-wheel-drive electric vehicle. This improvement in energy recovery is possible with the complete substitution of the rear hydraulic brake force with a regenerative brake force until the reach of the electric powertrain constraints. It is done by performing a proper brake pressure fine regulation through the proposed variable structure control of the on/off solenoid valves provided by the hydraulic platform of the vehicle stability system. Through road tests, the tracking feasibility of the proposed brake force distribution with the mechatronic system developed is validated.

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11

Lin, Yuan-Ting, Chyuan-Yow Tseng, Jao-Hwa Kuang, and Yeong-Maw Hwang. "A Design Method for a Variable Combined Brake System for Motorcycles Applying the Adaptive Control Method." Machines 9, no. 2 (February 5, 2021): 31. http://dx.doi.org/10.3390/machines9020031.

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Анотація:

The variable combined brake system (VCBS) is a mechanism for motorcycles to simultaneously activate the front and rear brake systems by using one brake lever or pedal. The purpose is to reduce the risk of rollover accidents due to misuse of the front brake when panic braking. Due to its ability in a wide variation range of braking force distribution (BFD) ratios between the front and rear wheels, the VCBS can simultaneously achieve high braking effort and driving comfort performances, provided that the BFD ratio is designed appropriately. This paper aimed to develop the design method for the VCBS. A mathematical model of the VCBS mechanism is derived, and a parameter matching design method that applies adaptive control theory is proposed. A prototype of VCBS is designed and built based on the proposed method. The straight-line braking test results show that the motorcycle equipped with the VCBS prototype effectively obtained a high braking performance in deceleration. The obtained maximum deceleration is an average of 6.37 m/s2 (0.65 g) under an average handbrake lever force of 154.29 N. For front brake failure, maximum deceleration is obtained at an average of 3.38 m/s2 (0.34 g), which is higher than the homologation requirement of 2.9 m/s2.

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12

Haney, P. R., and M. J. Richardson. "Adaptive Cruise Control, System Optimisation and Development for Motor Vehicles." Journal of Navigation 53, no. 1 (January 2000): 42–47. http://dx.doi.org/10.1017/s037346339900867x.

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Conventional cruise control systems fulfil the function of automatic speed control. A desired speed is selected by the driver, and a control system operates on the throttle to maintain this desired speed. When traffic density is moderate or high, the driver is faced with having to adjust the set speed regularly in order to maintain a comfortable distance from preceding vehicles and will frequently have to brake, disengaging the cruise control. Thus conventional cruise control can become a source of irritation when used in moderate or heavy traffic. If a distance sensor is added to a conventional cruise control system, then it is possible to add distance keeping to the basic speed control function. This forms the basis for adaptive cruise control, which can be further improved if a limited authority braking system is incorporated. Use can then be made of both throttle and brake actuators to control the distance and relative velocities between a vehicle and a preceding target vehicle.

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13

Gao, Dianzhu, Jun Peng, Yunyou Lu, Rui Zhang, Yingze Yang, and Zhiwu Huang. "Sensor Fault Diagnosis of Locomotive Electro-Pneumatic Brake Using an Adaptive Unscented Kalman Filter." Journal of Sensors 2021 (December 16, 2021): 1–9. http://dx.doi.org/10.1155/2021/5407817.

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Normal operation of the pressure sensor is important for the safe operation of the locomotive electro-pneumatic brake system. Sensor fault diagnosis technology facilitates detection of sensor health. However, the strong nonlinearity and variable process noise of the brake system make the sensor fault diagnosis become challenging. In this paper, an adaptive unscented Kalman filter- (UKF-) based fault diagnosis strategy is proposed, aimed at detecting bias faults and drift faults of the equalizing reservoir pressure sensor in the brake system. Firstly, an adaptive UKF based on the Sage-Husa method is applied to accurately estimate the pressure transients in the equalizing reservoir of the brake system. Then, the residual is generated between the estimated pressure by the UKF and the measured pressure by the sensor. Afterwards, the Sequential Probability Ratio Test is used to evaluate the residual so that the incipient and gradual sensor faults can be diagnosed. An experimental prototype platform for diagnosis of the equalizing reservoir pressure control system is constructed to validate the proposed method.

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14

Diep, Bao Tri, Hiep Le Dai, Duy Quoc Bui, Quoc Khai Tran, Minh Huy Huynh, and Quoc Hung Nguyen. "Designing, Manufacturing and Testing the Cycling Training System Featuring Magnetorheological Brake." Applied Mechanics and Materials 889 (March 2019): 346–54. http://dx.doi.org/10.4028/www.scientific.net/amm.889.346.

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In this study, a dual-disc magneto-rheological brake (MRB) with two coils placed on each side housing is proposed for a cycling training system. The cycling training system is integrated a positioning system to simulate the cycling process in different slope ranging from 0 to 150. By adjusting position of the bicycle, braking torque of the brake, a cyclist can experience different riding condition such as riding on flat road or steep road with the slope up to 15o.

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15

Bobál, Vladimír, Petr Chalupa, and Petr Dostál. "ADAPTIVE DUAL CONTROL OF NONLINEAR LIQUID SYSTEM." IFAC Proceedings Volumes 40, no. 13 (2007): 483–88. http://dx.doi.org/10.3182/20070829-3-ru-4911.00075.

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16

Maulana, Fauzan Ilham, Noorsakti Wahyudi, and Indah Puspitasari. "RANCANG BANGUN SISTEM REM MOBIL LISTRIK FUSENA." Jurnal Poli-Teknologi 18, no. 3 (November 7, 2019): 243–48. http://dx.doi.org/10.32722/pt.v18i3.2342.

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The brake system is a device to slow down or stop the movement of the wheel automatically so that the vehicle will move slowly. This completeness in the vehicle is very important and vital because it functions as a safety for life in driving. In the process of making the Electric Car Fusena brake system has steps in the process, consists of size planning, materials used, designs realized, manufacturing brake system supporting components, assembly, installation and testing of brake systems. The Fusena Electric Car brake system use a disc-type hydraulic brake system with one brake master that can work simultaneous with dual circuit fluids (front and rear braking). The comparison of the brake pedal is changed to 3: 1, designing and recreating the caliper stand to make it more precise so that it gets maximum brake performance and is better than the system used before. Static testing of the Fusena Electric Car hydraulic brake system is done by positioning the vehicle on an inclined plane at a slope of 15 and 20 with a variable driver load of 40 kg, 50 kg, 60 kg and 70 kg. The test results are that the vehicle does not experience displacement or movement. And the results of the average dynamic test of the Brake System at a speed of 27.3 km/h with an average braking distance of 171 cm = 1.71 meters and the average deceleration time is 0.26 seconds.

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17

Guo-Zhu, Zhao, Huang Xiang, and Peng Xing. "Adaptive Model Predictive Control Research on Regenerative Braking for Electric Bus Cruising Downhill." Journal of Advanced Manufacturing Systems 15, no. 03 (July 26, 2016): 133–50. http://dx.doi.org/10.1142/s0219686716500104.

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Анотація:

To use regenerative brake and mechanical brake co-operatively to maintain the constant speed and the braking energy can be regenerated as much as possible when vehicles travel downhill, the mathematical model of the braking system is established, and the adaptive model predictive control method is adopted to control the speed of vehicles. The recursive least square algorithm with the forgetting factor is used to identify the road gradient online. And then the control results of the adaptive model predictive control are compared with the results of PID control, simulation results show that the robustness and the stability of the adaptive model predictive control method are better. The speed can be maintained basic stability with the coordinated use of the regenerative braking and the mechanical braking. Meanwhile, the braking energy can be regenerated as much as possible as the regenerative braking system can be used as much as possible. Moreover, as the charge acceptance ability of the battery is restricted, the brake mode switching model is designed. The braking mode can be switched between the electro-mechanical braking system and mechanical braking system according to the SOC of the batteries.

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18

Han, Jae-Oh, Jae-Won Shin, Jae-Chang Kim, and Se-Hoon Oh. "Design 2-Speed Transmission for Compact Electric Vehicle Using Dual Brake System." Applied Sciences 9, no. 9 (April 29, 2019): 1793. http://dx.doi.org/10.3390/app9091793.

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Анотація:

Mega trends in the global automotive industry are environmentally friendly. As laws and regulations tighten at the government level, the automobile industry is striving to develop a drive system that can operate without using fossil fuels, instead of developing an internal combustion engine using fossil fuels. Environmentally-friendly energy is attracting attention as an alternative to solve the problems of air pollution and fossil fuel depletion. Electricity is attracting the most attention among environmentally-friendly alternative fuels. In addition, research on the development of a high-efficiency and high-reliability advanced electric automobile drive system are actively being carried out. In this study, a two-speed transmission for electric vehicles is developed using environmentally-friendly fuel. The 1st and the 2nd planetary gear modules were integrated, the ring gear and the carrier gear were shared, and the dual disc brake was used to design a mechanism for fixing each sun and shifting gear. Such a structure can improve shift energy efficiency compared to that of conventional transmissions. It was judged that the structure was suitable for an electric car using a limited power supply. Each gear was designed by calculating bending strength and surface durability.

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19

PAN, Shu-wen, Yu-hong LI, and Jian MA. "A dual-driven adaptive video system over WLAN." Journal of China Universities of Posts and Telecommunications 14 (October 2007): 74–78. http://dx.doi.org/10.1016/s1005-8885(08)60016-3.

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20

Li, Jie, Changwen Liu, Rui Kang, Lei Zhou, and Haiqiao Wei. "Effects of the injection timing on knock and combustion characteristics in dual-fuel dual-injection engines." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 234, no. 10-11 (May 13, 2020): 2578–91. http://dx.doi.org/10.1177/0954407020913718.

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To utilize ethanol fuel in spark ignition engines more efficiently and flexibly, a new ethanol/gasoline dual-direct injection concept in gasoline engine is proposed. Therefore, based on the dual-fuel dual-direct injection system, the effects of different injection timings and two injector positions on the characteristics of combustion were studied comprehensively, and the effects of different octane numbers and temperature stratifications on knock and combustion were explored. The results show that as for Position A (ethanol injecting toward spark plug), with the delay of injection timing, knock tendency and its intensity increase initially and then decrease due to the comprehensive effect of ethanol evaporation and fuel stratification; on the contrary, for Position B (ethanol injecting toward end-gas region), retarding the injection timing of ethanol can effectively reduce the knock propensity. As for the engine performance, a dual-direct injection performs best, especially the retarded injection timing of ethanol for Position A. It can be found that with the delay of the fuel injection timing, the torque first increases and then decreases. The brake-specific fuel consumption decreases initially and then increases at maximum brake torque spark timing.

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21

Koptovets, Oleksandr, Jamil Sami Haddad, Dmytro Brovko, Liudmyla Posunko, and Valeriia Tykhonenko. "Identification of the conditions of a mine locomotive brake system as well as its functional and morphological model with the stressed closed kinematic circuit." E3S Web of Conferences 201 (2020): 01033. http://dx.doi.org/10.1051/e3sconf/202020101033.

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The common tendency of mine rail haulage improvement is to increase axial power of electrical equipment traction, wagon capacity, and enhancing the speed of movement. In this context, it is typical for mine machine-building design to equip only locomotives with brake facilities. Thus, specific value of braking force of a train cannot exceed basic specific resistance to its movement. Test results of carriage rolling stock as for its braking efficiency as well as for its structural and dynamic analysis of braking mechanism have shown that a shoe-wheel brake of mine locomotives is not efficient under operation brake conditions in terms of the parametric reliability indices; hence, it is not applicable as an analogue for a trailing train part. The objective of the research is to determine a type of structural uncertainty while identifying brake conditions for adaptive control of alternative-structure tribologic system. Practical implication of the results is to determine both type and parameters of empiric dependence of brake shoe friction on a wheel tread upon the speed and braking as well as upon determination of kinetic characteristic of carriage rolling stock brake to be used in the theory of a mine train haulage to provide its safety.

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22

Li, Guo, and Huan Liu. "The Optimum Adaptive Cooperative Control of the Vehicle Steering and Anti-Lock Braking System." Applied Mechanics and Materials 387 (August 2013): 288–91. http://dx.doi.org/10.4028/www.scientific.net/amm.387.288.

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In this paper, a new two-level cooperative control system is proposed for the vehicles steering antilock braking stability fields. The architecture is composed with the execution layer with anti-lock brake control system and the cooperation layer developed on a new cooperative error model. It is quite feasible because of its analytical form. Finally, the stability and the validity of the control algorithm are validated by simulation results.

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23

Nesterenko, Mykola, Viktor Virchenko, Mykola Shapoval, and Artem Shokalo. "DIFFERENT CHARACTERISTICS BRAKE AUTOMOTIVE SYSTEM SALES RESEARCH MANUFACTURED BY ADDITIVE TECHNOLOGIES." ACADEMIC JOURNAL Series: Industrial Machine Building, Civil Engineering 2, no. 53 (October 31, 2019): 19–24. http://dx.doi.org/10.26906/znp.2019.53.1882.

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Problems in designing hydraulic brake systems of cars have been analyzed. The study of the braking process has conductedconsidering the distribution of forces on the axles during braking. The general support model research and support geometriccharacteristics are developed. The calculation of the car brake system has been conducted that enables to determine the load onthe caliper during the braking process and using graphic dependencies, and to determine the concentration of maximumstresses in the mounting areas of the support. Based on analytical studies in the Autodesk Fusion 360 3D Modeling program,a design has been implemented that features a smaller metal capacity at the expense of rational design and providing uniformstrength across the entire surface. Adaptive technologies also significantly accelerate the production of new parts due to thelack of need for the production of auxiliary equipment, such as molds.

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24

Shim, Kyu-Nam, Jiang Hu, and Jose Silva-Martinez. "Dual-Level Adaptive Supply Voltage System for Variation Resilience." IEEE Transactions on Very Large Scale Integration (VLSI) Systems 21, no. 6 (June 2013): 1041–52. http://dx.doi.org/10.1109/tvlsi.2012.2203326.

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25

Guo, Peng, Masayuki Hirano, Brantley R. Herrin, Jianxu Li, Cuiling Yu, Andrea Sadlonova, and Max D. Cooper. "Dual nature of the adaptive immune system in lampreys." Nature 459, no. 7248 (May 27, 2009): 796–801. http://dx.doi.org/10.1038/nature08068.

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26

Meadway, Alexander, Christopher A. Girkin, and Yuhua Zhang. "A dual-modal retinal imaging system with adaptive optics." Optics Express 21, no. 24 (November 25, 2013): 29792. http://dx.doi.org/10.1364/oe.21.029792.

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27

Mookerjee, P., and Y. Bar-Shalom. "An adaptive dual controller for a MIMO-ARMA system." IEEE Transactions on Automatic Control 34, no. 7 (July 1989): 795–800. http://dx.doi.org/10.1109/9.29419.

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28

Li, Hongliang, Ke Lu, Jian Xue, Feng Dai, and Yongdong Zhang. "Dual Optical Path Based Adaptive Compressive Sensing Imaging System." Sensors 21, no. 18 (September 16, 2021): 6200. http://dx.doi.org/10.3390/s21186200.

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Анотація:

Compressive Sensing (CS) has proved to be an effective theory in the field of image acquisition. However, in order to distinguish the difference between the measurement matrices, the CS imaging system needs to have a higher signal sampling accuracy. At the same time, affected by the noise of the light path and the circuit, the measurements finally obtained are noisy, which directly affects the imaging quality. We propose a dual-optical imaging system that uses the bidirectional reflection characteristics of digital micromirror devices (DMD) to simultaneously acquire CS measurements and images under the same viewing angle. Since deep neural networks have powerful modeling capabilities, we trained the filter network and the reconstruction network separately. The filter network is used to filter the noise in the measurements, and the reconstruction network is used to reconstruct the CS image. Experiments have proved that the method we proposed can filter the noise in the sampling process of the CS system, and can significantly improve the quality of image reconstruction under a variety of algorithms.

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29

Ravlyuk, V. G. "INVESTIGATION OF FEATURES OF DUAL WEAR OF PADS IN BRAKE SYSTEM OF FREIGHT CARS." Science and Transport Progress. Bulletin of Dnipropetrovsk National University of Railway Transport, no. 2(80) (May 6, 2019): 111–26. http://dx.doi.org/10.15802/stp2019/166114.

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30

Rossa, Carlos, Jose Lozada, and Alain Micaelli. "Design and Control of a Dual Unidirectional Brake Hybrid Actuation System for Haptic Devices." IEEE Transactions on Haptics 7, no. 4 (October 1, 2014): 442–53. http://dx.doi.org/10.1109/toh.2014.2346501.

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31

Kashkanov, A. A., A. P. Rotshtein, V. Yu Kucheruk, and V. A. Kashkanov. "Tyre-Road friction Coefficient: Estimation Adaptive System." Bulletin of the Karaganda University. "Physics" Series 98, no. 2 (June 30, 2020): 50–59. http://dx.doi.org/10.31489/2020ph2/50-59.

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This paper offers an upgraded method for estimating the magnitude of friction between tyres of a motor vehicle and a road surface while investigating road accidents. The above-mentioned method is based on the resultant data of tyre-and-road interworking field tests in case of emergency braking. Such estimation of the magnitude of friction is to be carried out with a focus on the factors affecting the friction processes in the tyreand-road contact. The most important factors, which are included in the synthesized adaptive system used for friction coefficient estimation, have been defined based on the theoretical analysis of the data of deceleration and braking length of motor vehicles. The study of the existing expert methods used for estimating the level of tyre-and-road engagement and the effect of such level on the motional parameters of a motor vehicle has demonstrated the need for upgrading of the existing approaches. Unlike the existing practices, the friction coefficient estimation adaptive system offered by the authors hereof is a self-trainable system. Such system reduces any simulation uncertainty and the probability of occurrence of Type 1 and Type 2 errors. Such result is achieved owing to the fact that the system takes into account the upgraded design of the present-day brake systems and tyres, as well as the speed of motor vehicles and load of their wheels; the system is also efficient because it makes use of the up-to-date mathematical methods which are able to process raw (initial) data under conditions of stochastic and fuzzy uncertainty. The approach offered hereby has demonstrated its efficiency for motor vehicles belonging to categories М1 and N1 and has proven its potential applicability for other categories of motor vehicles.

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32

Park, Giseo, and Seibum B. Choi. "Clamping force control based on dynamic model estimation for electromechanical brakes." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 232, no. 14 (November 15, 2017): 2000–2013. http://dx.doi.org/10.1177/0954407017738394.

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The electromechanical brake (EMB) is expected to be utilized for future brake systems due to its many advantages. In this paper, keeping commercialization of the EMB in mind, a new EMB clamping force controller is proposed to overcome the limitations of the existing controller, namely, the extra cost for sensor installation and response delay. To design the controller, both mechanical parts and electrical parts in the EMB have to be mathematically analyzed. Also, dynamic models, clamping force, and friction torque are estimated to generate some feed-forward terms of the controller. With an estimation of the contact point where brake pads start to come into contact with a disk wheel, the clamping force is expressed as a polynomial curve versus the motor angle. The estimated clamping force is evaluated in comparison with measured values by a load cell. The proposed controller is based on an adaptive sliding mode control method with an adaptive law reducing errors of the friction torque model. Lastly, the performance of the entire control system is compared with that of the existing controller on a test bench.

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33

Park, Sung-Hwan, Ji-Min Lee, and Jong-Shik Kim. "A Decentralized Brake System for Railway Rolling Stocks Using the Adaptive Sliding Mode Control Scheme." Transactions of the Korean Society of Mechanical Engineers A 33, no. 10 (October 1, 2009): 1005–13. http://dx.doi.org/10.3795/ksme-a.2009.33.10.1005.

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34

Choi, J. J., S. H. Park, and J. S. Kim. "Dynamic adhesion model and adaptive sliding mode brake control system for the railway rolling stocks." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 221, no. 3 (May 2007): 313–20. http://dx.doi.org/10.1243/09544097jrrt71.

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35

Fu, Y., Q. Du, X. J. Zhou, J. Fu, and T. Y. Chai. "Dual-Rate Adaptive Decoupling Controller and Its Application to a Dual-Tank Water System." IEEE Transactions on Control Systems Technology 28, no. 6 (November 2020): 2515–22. http://dx.doi.org/10.1109/tcst.2019.2930044.

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36

Wenjin Liu, Wenjin Liu, Lizhi Dong Lizhi Dong, Ping Yang Ping Yang, and and Bing Xu and Bing Xu. "Zonal decoupling algorithm for dual deformable mirror adaptive optics system." Chinese Optics Letters 14, no. 2 (2016): 020101–20105. http://dx.doi.org/10.3788/col201614.020101.

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37

Lei, Jing, Ping Zhang, Jiangtao Xu, Zhiyuan Gao, and Jing Gao. "Adaptive target binarization method based on a dual-camera system." Optical Engineering 57, no. 01 (January 23, 2018): 1. http://dx.doi.org/10.1117/1.oe.57.1.013105.

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38

Zhao, Haibo, and Chengguang Wang. "All-Coefficient Adaptive Control of Dual-Motor Driving Servo System." MATEC Web of Conferences 108 (2017): 08009. http://dx.doi.org/10.1051/matecconf/201710808009.

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39

Guo, Peng, Masayuki Hirano, Brantley R. Herrin, Jianxu Li, Cuiling Yu, Andrea Sadlonova, and Max D. Cooper. "Erratum: Dual nature of the adaptive immune system in lampreys." Nature 460, no. 7258 (August 2009): 1044. http://dx.doi.org/10.1038/nature08354.

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40

Jingliang Zhang, Ruifeng Chen, Guoxiao Guo, and Teck-Seng Low. "Modified adaptive feedforward runout compensation for dual-stage servo system." IEEE Transactions on Magnetics 36, no. 5 (2000): 3581–84. http://dx.doi.org/10.1109/20.908908.

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41

Wang, Xuan, Zhengwei Du, and Ke Gong. "A compact dual-element antenna array for adaptive MIMO system." Microwave and Optical Technology Letters 51, no. 2 (December 23, 2008): 348–51. http://dx.doi.org/10.1002/mop.24044.

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42

Tenno, R. "Dual adaptive controls for linear system with unknown constant parameters." International Journal of Control 83, no. 11 (November 2010): 2232–40. http://dx.doi.org/10.1080/00207179.2010.510175.

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43

Li, Liran, Zhiwu Huang, Xiaohui Gong, Jun Peng, and Yanhui Zhou. "An Adaptive Fast Charging Strategy for LiFePO4 Battery Applied to Heavy-Haul Train ECP Brake System." Journal of Advanced Computational Intelligence and Intelligent Informatics 20, no. 7 (December 20, 2016): 1077–85. http://dx.doi.org/10.20965/jaciii.2016.p1077.

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A dedicated LiFePO4 battery management system (BMS) used in the electrically controlled pneumatic brake system of a heavy-haul train needs a reliable, efficient and safe charging system to guarantee an uninterrupted power supply. To achieve that, this paper proposes an adaptive fast and safe charging strategy for Li-ion batteries based on the Lyapunov stability theory. In the strategy, a sliding-mode state of charge (SOC) observer is designed, and based on this, the dynamical reference charging current profile is derived. With the estimated SOC and dynamical setting current, the adaptive current control law is proposed by using a Lyapunov function. Finally, experiments are conducted to verify the feasibility and superiority of the proposed method.

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44

Qing, Guang Wei, Hui Jin, and Jing Bo Hu. "Simulation Analysis of Portal Crane Braking Effect with Dual-Stage Brakes under Fluctuating Wind Load." Applied Mechanics and Materials 607 (July 2014): 268–72. http://dx.doi.org/10.4028/www.scientific.net/amm.607.268.

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In order to grasp the braking effect of the portal crane after the installation of auxiliary wind safety device, the braking process of real harbor crane with dual-stage windproof braking system exposed to fluctuating wind is simulated. The effect on the crane braking performance of braking device response lag and artificially lowering working braking force is also analyzed. It is demonstrated that the dual-stage brake system is superior to the single and could improve the windproof ability when working braking force decline.

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45

Liu, Dehui, Tianzeng Li, and Yu Wang. "Adaptive Dual Synchronization of Fractional-Order Chaotic System with Uncertain Parameters." Mathematics 10, no. 3 (January 31, 2022): 470. http://dx.doi.org/10.3390/math10030470.

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The problem of the dual synchronization of two different fractional-order chaotic systems with uncertain parameters is studied. This paper introduces a synchronization method in accordance with Lyapunov stability theory, and the adaptive controllers and adaptive laws are designed to realize the dual synchronization of fractional order chaotic systems. Finally, two numerical examples of unknown different fractional-order chaotic systems are also given to prove the accuracy of the theory in the paper, and the effectiveness and performance of the proposed adaptive dual synchronization strategy are verified by simulation.

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46

Li, Chao, Junzhi Zhang, Xiaohui Hou, Yuan Ji, Jinheng Han, Chengkun He, and Jiangmai Hao. "A Novel Double Redundant Brake-by-Wire System for High Automation Driving Safety: Design, Optimization and Experimental Validation." Actuators 10, no. 11 (October 26, 2021): 287. http://dx.doi.org/10.3390/act10110287.

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The high redundant brake-by-wire system reveals vehicular safety handling ability and rarely emerges in the automotive area at the present time. This paper presents a novel brake-by-wire system, DREHB (Double Redundant Electro-Hydraulic Brake), with extensible fail-safe operations for high-automation autonomous driving vehicles. The DREHB is designed as a decoupled-architecture system containing three-layer cascaded modules, including a hydraulic power provider, a hydraulic flow switcher, and a hydraulic pressure modulator, and each of the modules can share dual redundancy. The operating principles of the DREHB in normal and degraded initiative braking modes are introduced, especially for the consideration of fail-safe and fail-operational functions. The matching and optimization of selected key parameters of the electric boost master cylinder and the linear solenoid valve were conducted using computer-aided batched simulations with a DREHB system modeled in MATLAB/Simulink and AMESim. The prototype of the DREHB was tested in hardware-in-the-loop experiments. The test results of typical braking scenarios verify the feasibility and effectiveness of the DREHB system, and the hydraulic pressure response as 28.0 MPa/s and tracking error within 0.15 MPa and the desirable fail-safe braking ability fully meets the requirements of higher braking safety and efficiency.

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47

Yang, Yang, Yundong He, Zhong Yang, Chunyun Fu, and Zhipeng Cong. "Torque Coordination Control of an Electro-Hydraulic Composite Brake System During Mode Switching Based on Braking Intention." Energies 13, no. 8 (April 19, 2020): 2031. http://dx.doi.org/10.3390/en13082031.

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Анотація:

The electro-hydraulic composite braking system of a pure electric vehicle can select different braking modes according to braking conditions. However, the differences in dynamic response characteristics between the motor braking system (MBS) and hydraulic braking system (HBS) cause total braking torque to fluctuate significantly during mode switching, resulting in jerking of the vehicle and affecting ride comfort. In this paper, torque coordination control during mode switching is studied for a four-wheel-drive pure electric vehicle with a dual motor. After the dynamic analysis of braking, a braking force distribution control strategy is developed based on the I-curve, and the boundary conditions of mode switching are determined. A novel combined pressure control algorithm, which contains a PID (proportional-integral-derivative) and fuzzy controller, is used to control the brake pressure of each wheel cylinder, to realize precise control of the hydraulic brake torque. Then, a novel torque coordination control strategy is proposed based on brake pedal stroke and its change rate, to modify the target hydraulic braking torque and reflect the driver’s braking intention. Meanwhile, motor braking torque is used to compensate for the insufficient braking torque caused by HBS, so as to realize a smooth transition between the braking modes. Simulation results show that the proposed coordination control strategy can effectively reduce torque fluctuation and vehicle jerk during mode switching.

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48

Mulya Saputra, Yuris, and Ji-Hoon Yun. "Performance Analysis of Adaptive Radio Activation in Dual-Radio Aggregation System." Journal of the Korea Institute of Information and Communication Engineering 19, no. 8 (August 31, 2015): 1901–7. http://dx.doi.org/10.6109/jkiice.2015.19.8.1901.

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49

Kim, Dae-Hwan, Hyoung-Kyu Song, and We-Duke Cho. "Adaptive Dual-Hop Transmission Based On Hierarchical Modulation in UWB System." Journal of Korean Institute of Communications and Information Sciences 36, no. 7C (July 30, 2011): 443–50. http://dx.doi.org/10.7840/kics.2011.36c.7.443.

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50

Luo, Shao Hua, Zhi Ling Wen, and Zhao Qin Liu. "Adaptive Fuzzy SMC Control for Nonlinear System of Dual Arm Robot." Applied Mechanics and Materials 224 (November 2012): 480–84. http://dx.doi.org/10.4028/www.scientific.net/amm.224.480.

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In this paper, a stable adaptive fuzzy sliding mode controller is developed for a class of MIMO nonlinear systems. Fuzzy logic system is designed to estimate the unknown function. Parameter adaptive laws and robustifying control terms are derived based on Lyapunov theory, and boudedness of signals in the closed-loop system can be guaranteed. The proposed controllers were used in trajectory control of right arm of dual arm robot. The results indicate that the proposed controller has satisfying tracking performance with robust characteristics.

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