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Journal articles on the topic 'Traction Control System (TCS)'

Author: Grafiati

Published: 4 June 2021

Last updated: 16 February 2022

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1

Zhao, Jian, Jin Zhang, and Bing Zhu. "The Sliding Mode Control for Traction Control System Based on Variable Optimal Slip Ratio." Applied Mechanics and Materials 380-384 (August 2013): 485–90. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.485.

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In this paper, the concept of intelligent tire and road surface information measurement methods are introduced, and the sliding mode algorithm for traction control system based on intelligent tire is proposed. By applying braking torque onto the driving wheels, the slip rates are adjusted to maintain within the optimal region on different road surface, and the optimal longitudinal traction is achieved. According to the simulation results on the CARSIM and MATLAB co-simulation platform of several working conditions, the TCS based on sliding mode control method improves the traction performance on different road surface effectively.

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2

Gao, Xiang, and Cheng Lin. "Electromechanical Coupling Approach for Traction Control System of Distributed Drive Electric Vehicles." E3S Web of Conferences 236 (2021): 01007. http://dx.doi.org/10.1051/e3sconf/202123601007.

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This paper proposed an electromechanical coupling approach based on sliding mode control (SMC) for traction control systems (TCS) of distributed drive electric vehicles (DDEVs). Since all wheel torque can be controlled continuously and independently, the TCS could be precisely applied on DDEVs. However, normal TCS would cause the waste of motor torque and road adhesion on the special working conditions. To solve this problem, the SMC was utilized based on the optimal slip rate calculated by road adhesion condition recognition and the electromechanical coupling (EC) approach was proposed to deliver part of torque from the motor of the higher speed. Simulation results based on dSPACE simulator showed that the proposed strategy can improved the dynamic performance and passability of the DDEVs.

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3

He, Gang, and Li Qiang Jin. "Drive and Brake Joint Control of Acceleration Slip Regulation Road Test." Advanced Materials Research 971-973 (June 2014): 454–57. http://dx.doi.org/10.4028/www.scientific.net/amr.971-973.454.

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Based on the independent design front wheel drive vehicle traction control system (TCS), we finished the two kinds of working condition winter low adhesion real vehicle road test, including homogenous pavement and separate pavement straight accelerate, respectively completed the contrastive experiment with TCS and without TCS. Test results show that based on driver (AMR) and brake (BMR) joint control ASR system worked reliably, controlled effectively, being able to control excessive driving wheel slip in time, effectively improved the driving ability and handling stability of vehicle.

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4

Song, Jeonghoon, Heungseob Kim, Dae Hee Lee, and Minhyuk Son. "Development of a Control Method of Traction Control System Using Vehicle Model." Transactions of the Korean Society of Mechanical Engineers A 28, no. 8 (2004): 1203–11. http://dx.doi.org/10.3795/ksme-a.2004.28.8.1203.

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5

Kang, Sangmin, Maru Yoon, and Myoungho Sunwoo. "Traction control using a throttle valve based on sliding mode control and load torque estimation." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 219, no. 5 (2005): 645–53. http://dx.doi.org/10.1243/095440705x11059.

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The purpose of an engine-controlled traction control system (TCS) is to regulate engine torque in order to keep the driven wheel slip in a desired range. Engine torque can be regulated by a throttle valve. In this paper, the engine-controlled TCS based on an engine model and estimated load torque by a Luenberger observer is proposed. For this control scheme, the engine model is required for a model-based controller design using sliding mode control. The engine torque controller determines the throttle angle for maintaining the desired manifold pressure to generate engine torque corresponding to the desired wheel torque. Since the load torque is composed of multiple external sources such as friction force, drag force, mechanical losses, and others, load torque estimation is required. The simulation results to various manoeuvres during slippery and split road conditions have showed better acceleration performance and stability of the vehicle with TCS. In addition, the load torque observer has estimated real load torque with little error.

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6

Liu, Gang, and LiQiang Jin. "A Study of Coordinated Vehicle Traction Control System Based on Optimal Slip Ratio Algorithm." Mathematical Problems in Engineering 2016 (2016): 1–10. http://dx.doi.org/10.1155/2016/3413624.

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Under complicated situations, such as the low slippery road surface and split-μroad surface, traction control system is the key issue to improve the performance of vehicle acceleration and stability. In this paper, a novel control strategy with engine controller and active pressure controller is presented. First and foremost, an ideal vehicle model is proposed for simulation; then a method for the calculation of optimal slip ratio is also brought. Finally, the scheme of control method with engine controller and active brake controller is presented. From the results of simulation and road tests, it can be concluded that the acceleration performance and stability of a vehicle equipped with traction control system (TCS) can be improved.

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7

Jung, H., B. Kwak, and Y. Park. "Improving the directional stability of a traction control system without additional sensors." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 216, no. 8 (2002): 641–48. http://dx.doi.org/10.1177/095440700221600802.

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The traction control system (TCS) comprises a slip control subsystem and a directional stability subsystem. The slip controller can enhance the traction performance by maintaining the slip ratio within an appropriate range. Additional information about the lateral behaviour of the vehicle is necessary to enhance the directional stability during cornering or lane change on slippery roads. With an assumption of slowly varying steering input, a new method to measure the mixture of yaw rate and lateral acceleration, using the speed difference of non-driven wheels, is proposed. Using this measurement, the controller imposes independent pressure to each driven wheel and improves the stability during cornering on slippery roads or acceleration on split-μ roads without additional sensors such as yaw rate and lateral acceleration sensors. The proposed method is verified through simulation based on a 15-degrees-of-freedom (15 DOF) passenger car model.

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8

Borrelli, F., A. Bemporad, M. Fodor, and D. Hrovat. "An MPC/hybrid system approach to traction control." IEEE Transactions on Control Systems Technology 14, no. 3 (2006): 541–52. http://dx.doi.org/10.1109/tcst.2005.860527.

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9

Pérez Fernández, Javier, Manuel Alcázar Vargas, Juan M. Velasco García, Juan A. Cabrera Carrillo, and Juan J. Castillo Aguilar. "Low-Cost FPGA-Based Electronic Control Unit for Vehicle Control Systems." Sensors 19, no. 8 (2019): 1834. http://dx.doi.org/10.3390/s19081834.

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The development of new control algorithms in vehicles requires high economic resources, mainly due to the use of generic real-time instrumentation and control systems. In this work, we proposed a low-cost electronic control unit (ECU) that could be used for both development and implementation. The proposed electronic system used a hybrid system on chip (SoC) between a field-programmable gate array (FPGA) and an Advanced RISC (reduced instruction set computer) Machine (ARM) processor that allowed the execution of parallel tasks, fulfilling the real-time requirements that vehicle controls demand. Another feature of the proposed electronic system was the recording of measured data, allowing the performance of the implemented algorithm to be evaluated. All this was achieved by using modular programming that, without the need for a real-time operating system, executed the different tasks to be performed, exploiting the parallelism offered by the FPGA as well as the dual core of the ARM processor. This methodology facilitates the transition between the designing, testing, and implementation stages in the vehicle. In addition, our system is programmed with a single binary file that integrates the code of all processors as well as the hardware description of the FPGA, which speeds up the updating process. In order to validate and demonstrate the performance of the proposed electronic system as a tool for the development and implementation of control algorithms in vehicles, a series of tests was carried out on a test bench. Different traction control system (TCS) algorithms were implemented and the results were compared.

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10

Cheng, Shuo, Ming-ming Mei, Shi-yong Guo, et al. "A novel coupling strategy for automated vehicle’s longitudinal dynamic stability." Proceedings of the Institution of Mechanical Engineers, Part D: Journal of Automobile Engineering 235, no. 10-11 (2021): 2753–63. http://dx.doi.org/10.1177/09544070211006530.

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The autonomous vehicle has been developed widely, and attracted much attention of global automotive industry. Wherein, longitudinal dynamics control is one of the most crucial issues of autonomous vehicles. The throttle-by-wire (TBW) control could implement the acceleration command through adjusting the throttle opening, thus control the driving torque of the fuel autonomous vehicle. However, an automated vehicle controlled by traditional TBW in low-friction road conditions could reach large slip ratio region, which could adversely cause the loss of vehicle longitudinal dynamic stability. To tackle the mentioned issues, this paper proposes an adaptive sliding-mode control (SMC) algorithm to optimize tire slip speed of the automated vehicle. When the intervention conditions of active acceleration are satisfied, the TBW can take over the throttle opening control instead of the driver. Firstly, the SMC can calculate an intervention of the effective torque input based on tire torque balance dynamics. Moreover, a traction control system (TCS) and TBW coupling strategy based on the logic threshold method is put forward to response the optimum slip speed curve. Thus, during the vehicle starting process, a three-layer control strategy consisting of TBW, torque control, and pressure control of TCS is involved. Finally, real-car snow and ice road tests are carried out, and experimental results demonstrate great performance of the proposed strategy in complicated low-friction road.

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11

Souza, Gustavo Soares de, Zigomar Menezes de Souza, Reginaldo Barboza da Silva, Ronny Sobreira Barbosa, and Fernando Silva Araújo. "Effects of traffic control on the soil physical quality and the cultivation of sugarcane." Revista Brasileira de Ciência do Solo 38, no. 1 (2014): 135–46. http://dx.doi.org/10.1590/s0100-06832014000100013.

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The cultivation of sugarcane with intensive use of machinery, especially for harvest, induces soil compaction, affecting the crop development. The control of agricultural traffic is an alternative of management in the sector, with a view to preserve the soil physical quality, resulting in increased sugarcane root growth, productivity and technological quality. The objective of this study was to evaluate the physical quality of an Oxisol with and without control traffic and the resulting effects on sugarcane root development, productivity and technological quality. The following managements were tested: no traffic control (NTC), traffic control consisting of an adjustment of the track width of the tractor and sugarcane trailer (TC1) and traffic control consisting of an adjustment of the track width of the tractor and trailer and use of an autopilot (TC2). Soil samples were collected (layers 0.00-0.10; 0.10-0.20 and 0.20-0.30 m) in the plant rows, inter-row center and seedbed region, 0.30 m away from the plant row. The productivity was measured with a specific weighing scale. The technological variables of sugarcane were measured in each plot. Soil cores were collected to analyze the root system. In TC2, the soil bulk density and compaction degree were lowest and total porosity and macroporosity highest in the plant row. Soil penetration resistance in the plant row, was less than 2 MPa in TC1 and TC2. Soil aggregation and total organic carbon did not differ between the management systems. The root surface and volume were increased in TC1 and TC2, with higher productivity and sugar yield than under NTC. The sugarcane variables did not differ between the managements. The soil physical quality in the plant row was preserved under management TC1 and TC2, with an improved root development and increases of 18.72 and 20.29 % in productivity and sugar yield, respectively.

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12

TANAKA, Tadao, and Keiji ISODA. "Traction Control System." JSME international journal. Ser. 3, Vibration, control engineering, engineering for industry 35, no. 1 (1992): 116–20. http://dx.doi.org/10.1299/jsmec1988.35.116.

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13

TANAKA, Tadao, and Keiji ISODA. "Traction control system." Transactions of the Japan Society of Mechanical Engineers Series C 57, no. 534 (1991): 614–18. http://dx.doi.org/10.1299/kikaic.57.614.

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14

Tavernini, Davide, Mathias Metzler, Patrick Gruber, and Aldo Sorniotti. "Explicit Nonlinear Model Predictive Control for Electric Vehicle Traction Control." IEEE Transactions on Control Systems Technology 27, no. 4 (2019): 1438–51. http://dx.doi.org/10.1109/tcst.2018.2837097.

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15

Cardinale, Pascal, Camillo D'Angelo, and Massimo Conti. "Traction Control System for Motorcycles." EURASIP Journal on Embedded Systems 2009 (2009): 1–10. http://dx.doi.org/10.1155/2009/161373.

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16

Reichensdorfer, Elias, Dirk Odenthal, and Dirk Wollherr. "On the Stability of Nonlinear Wheel-Slip Zero Dynamics in Traction Control Systems." IEEE Transactions on Control Systems Technology 28, no. 2 (2020): 489–504. http://dx.doi.org/10.1109/tcst.2018.2880932.

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17

Dincel, Emre, Handan Nak, Şirin Akkaya, Mehmet Canevi, İlhan Mutlu, and M. Turan Söylemez. "Robust Control of Railway Traction System." IFAC-PapersOnLine 51, no. 25 (2018): 171–77. http://dx.doi.org/10.1016/j.ifacol.2018.11.100.

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18

Song, Jae-Bok, and Kyung-Seok Byun. "Throttle actuator control system for vehicle traction control." Mechatronics 9, no. 5 (1999): 477–95. http://dx.doi.org/10.1016/s0957-4158(99)00010-0.

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19

Al-Nabulsi, Jamal I., and Bashar E. A. Badr. "Adaptive gender-based thermal control system." International Journal of Electrical and Computer Engineering (IJECE) 11, no. 2 (2021): 1200. http://dx.doi.org/10.11591/ijece.v11i2.pp1200-1207.

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A closed loop adaptive gender-based thermal control system (AG-TCS) is designed, modelled, analysed and tested. The system has the unique feature of adapting to the surrounding environment as a function of the number of humans present and the gender ratio. The operation of the system depends on a unique interface between a radio frequency identification (RFID) device and an imaging device, both of which are correlated and interfaced to a controller. Testing of the system resulted in smooth transition and shape conversion of the response curve, which proved its adaptability. Three mathematical equations describing the internal mechanisms of the AG-TCS are presented and have been proven to optimally reflect the original statistical data covering both genders.

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20

Virendra Patel et al.,, Virendra Patel et al ,. "A Critical Review on Traction Control System." International Journal of Mechanical and Production Engineering Research and Development 9, no. 3 (2019): 1815–20. http://dx.doi.org/10.24247/ijmperdjun2019195.

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21

Su, Yanrui, Qiang Wang, Fabao Yan, Xiang Liu, and Yongmei Huang. "Subdivision Error Analysis and Compensation for Photoelectric Angle Encoder in a Telescope Control System." Mathematical Problems in Engineering 2015 (2015): 1–9. http://dx.doi.org/10.1155/2015/967034.

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As the position sensor, photoelectric angle encoder affects the accuracy and stability of telescope control system (TCS). A TCS-based subdivision error compensation method for encoder is proposed. Six types of subdivision error sources are extracted through mathematical expressions of subdivision signals first. Then the period length relationships between subdivision signals and subdivision errors are deduced. And the error compensation algorithm only utilizing the shaft position of TCS is put forward, along with two control models; Model I is that the algorithm applies only to the speed loop of TCS and Model II is applied to both speed loop and position loop. Combined with actual project, elevation jittering phenomenon of the telescope is discussed to decide the necessity of DC-type subdivision error compensation. Low-speed elevation performance before and after error compensation is compared to help decide that Model II is preferred. In contrast to original performance, the maximum position error of the elevation with DC subdivision error compensation is reduced by approximately 47.9% from 1.42″to 0.74″. The elevation gets a huge decrease in jitters. This method can compensate the encoder subdivision errors effectively and improve the stability of TCS.

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22

Kayacan, Erkan, Erdal Kayacan, Herman Ramon, and Wouter Saeys. "Learning in Centralized Nonlinear Model Predictive Control: Application to an Autonomous Tractor-Trailer System." IEEE Transactions on Control Systems Technology 23, no. 1 (2015): 197–205. http://dx.doi.org/10.1109/tcst.2014.2321514.

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23

Park, Jong Hyeon, and Chan Young Kim. "Wheel Slip Control in Traction Control System for Vehicle Stability." Vehicle System Dynamics 31, no. 4 (1999): 263–78. http://dx.doi.org/10.1076/vesd.31.4.263.4232.

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24

Zong, Jian, Yi Ruan, Ming Hui Chen, and Li Bo Xu. "Study on Narrow-Gauge Traction Locomotive Control System." Advanced Materials Research 418-420 (December 2011): 2074–77. http://dx.doi.org/10.4028/www.scientific.net/amr.418-420.2074.

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Most narrow-gauge vehicles driven by DC motor now, as DC drive due to power constraints and high maintenance costs, most of them will gradually be replaced by AC drives. But VVVF(Variable Voltage Variable Frequency) control method adopt in some running narrow-track traction locomotives, that can reduce over-current with load starting and should be compensated at low frequency. Based on study the Control strategies of narrow-track locomotives, comparing with the characteristics of power distribution of dual-motor drive system. The motor ought to have the same mechanical feature in dual-motor drive system, vector control strategy select in the control system. Experiments prove the system has good performance of stability, reliability, and good control performance, which can meet the narrow-track traction locomotive control requirements.

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25

Кулагін, Дмитро Олександрович, and Ігор Сергійович Роменський. "Design of the intelligent control system traction drives." Eastern-European Journal of Enterprise Technologies 2, no. 9(74) (2015): 41. http://dx.doi.org/10.15587/1729-4061.2015.39415.

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26

Hu, Jian Jun, Zheng Bin He, Peng Ge, and Da Tong Qin. "Research on Control Strategy of Traction Control for Four Wheel Drive Vehicle." Advanced Materials Research 230-232 (May 2011): 1242–49. http://dx.doi.org/10.4028/www.scientific.net/amr.230-232.1242.

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In order to improve the performance of four wheel driver vehicle, structural characteristics of inter-axle torque distribution with planetary gear are analyzed, and a dynamic model of four wheel drive vehicle is established. A synthetic control strategy was proposed to achieve the engine throttle control, inter-axle torque distribution control and drive wheel brake control. Traction control system based on fuzzy logic control is designed. The simulation of traction control on split-µ road and low-µ road are carried out. The results show that, the traction control system for four wheel drive vehicle based on fuzzy control can prevent excessive slip of driving wheels, and vehicle traction property and dynamic performance are improved obviously.

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27

Boring, Ronald L., Thomas A. Ulrich, and Roger Lew. "Findings From an Operator-In-The-Loop Study on System Overview Displays in a Modernized Nuclear Power Plant." Proceedings of the Human Factors and Ergonomics Society Annual Meeting 62, no. 1 (2018): 1658–62. http://dx.doi.org/10.1177/1541931218621376.

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The second Operator Study of System Overviews (OSSO-2) was conducted with a three-person reactor operator crew in the Human Systems Simulation Laboratory (HSSL) at Idaho National Laboratory (INL) in August, 2017. The study supported control room modernization at a nuclear power plant and featured a benchmark comparison of three variants of a turbine control system (TCS): the existing analog TCS, a proposed standalone digital TCS with two displays, and the digital TCS with the addition of a third display depicting a system overview screen. TCS prototypes were developed at INL to allow evaluation of operator performance and preferences during realistic turbine scenarios in the full-scope simulator. The study revealed that completion of turbine startup was several minutes faster with the digital TCS variants than with the conventional analog TCS. Eye tracking revealed visual fixations were more widely distributed in the overview vs. standalone TCS condition, suggesting the overview screen may have cued reactor operators to verify values across the boards. Reviewing key plant parameters showed smoother transitions during load following for the digital vs. analog TCS. The study provides evidence that the new digital TCS could be used successfully by operators without extensive training or rewriting of the operating procedures, suggesting high usability for the digital TCS design. Further advantages were realized through the addition of the system overview screen to provide crews with at-a-glance indicators of key turbine parameters.

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28

Boikov, V. P., V. V. Guskov, and A. S. Pavarekha. "Automated Tire Pressure Control System for Multi-Purpose Wheeled Vehicles." Science & Technique 20, no. 1 (2021): 33–36. http://dx.doi.org/10.21122/2227-1031-2021-20-1-33-36.

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The cross-country capability of multi-purpose wheeled vehicles is one of the most important operational properties of these technical objects. In many ways, it is determined by their traction characteristics. There are a number of ways to improve traction and coupling properties of multipurpose wheeled vehicles, the main ones are the use of various kinds of traction control systems, blocking of interaxle and interwheel differentials, the use of ballast and several others. Recently, one of the ways to improve the traction properties and cross-country ability of vehicles on soils with weak load-bearing capacity is a regulation of air pressure in the tires of the driving wheels of multi-purpose wheeled vehicles. The paper describes the process of interaction of the wheel mover with the ground surface when the air pressure in the tire changes. The influence of air pressure on the traction properties of wheeled vehicles is established. The system of automatic control of air pressure in tires of mobile cars depending on road conditions is offered. The use of the proposed regulation principle will significantly increase the cross-country ability of multi-purpose wheeled vehicles in heavy traffic conditions, eliminating the subjective factor in the person of the vehicle operator.

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29

Kosmodamianskiy, Andrey, Alexander Pugachev, and Nikolay Strekalov. "Control system of temperature of locomotives traction frequency converters." MATEC Web of Conferences 341 (2021): 00061. http://dx.doi.org/10.1051/matecconf/202134100061.

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The features of the control systems of temperature of the traction frequency converters consisted of rectifier, capacitor and voltage source inverter for traction rolling stock are discussed. The induction motor is considered as a load for traction frequency converter. The dependence of the number of thermal cycles from semiconductor junction temperature fluctuations before the failure of the semiconductor device are shown. The topology and operation principle of automatic temperature control system of voltage source inverter semiconductor devices of traction frequency converter are developed and described. The system is based on air forced cooling with the use of fan or blower as an executive regulation device. The main feature of the proposed system is the additional reference of switching frequency that allows to reduce the semiconductor temperature fluctuations. The elements of switching frequency control loop are chosen and evaluated, the recommendations on practical implementations are given. Simulation of automatic temperature control system in Matlab with both references of semiconductor junction temperature and its fluctuation was carried out with all essential nonlinearities of induction motors and semiconductor devices taken into account. Results of simulation are included and discussed.

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30

Zong, Jian, Ping Qian, and Xue Feng Ding. "Study of Electrical Traction Locomotive Control System Based on Feed-Forward Decoupling Strategy." Advanced Materials Research 516-517 (May 2012): 1935–38. http://dx.doi.org/10.4028/www.scientific.net/amr.516-517.1935.

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An asynchronous motor is widely used in traction locomotive system now, AC induction motor is nonlinear, strongly coupled and multivariable system, so it is very difficult to control as a linear system. For this, VVVF(Variable Voltage Variable Frequency) control method adopt in some running traction locomotives, that can reduce over-current with load starting and should be compensated at low frequency. Based on study the Control strategies of locomotives, vector control adopt in most electrical traction locomotive. According to the drawing performance requirements of electrical traction motor, feed-forward decoupling method adopted. Simulation and experiment proved this method can meet the traction locomotive control requirements.

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31

Jiang, Zhi Bin, Tie Jun Liu, Hui Xi Xu, Song Li Jia, and Jian Cui. "Multivariable Decoupling Control Based on TC Control in the Diving and Floating Process of AUV." Applied Mechanics and Materials 741 (March 2015): 720–24. http://dx.doi.org/10.4028/www.scientific.net/amm.741.720.

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The diving plane motion of autonomous underwater vehicles (AUVs) is a complex multivariable nonlinear system with pitch-heave coupling. Tornambe’s controllers (TCs) can online estimate the dynamic uncertainty regardless of the type of disturbance. The TCs for depth and pitch angle are adopted to achieve multivariable decoupling control by introducing virtual control inputs. The methodology can obtain fast and non-overshoot control of depth and pitch angle in the diving and floating process. Simulation results demonstrated the effectiveness of the proposed control scheme.

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32

Zhang, Lei An, Xue Mei Huang, and Xiu Ting Wei. "Research on Wind Turbine Blade Static Loading System and its Variable Traction Control Mode." Advanced Materials Research 588-589 (November 2012): 595–98. http://dx.doi.org/10.4028/www.scientific.net/amr.588-589.595.

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According to MW-class wind turbine blades loading system requirements, the load requirement of traction apparatus under the different operating conditions were discussed. At the same time, the variable traction feature of traction apparatus was analyzed. A multi-node hydraulic loading system based on CAN bus was designed in this paper. In order to improve the precision of traction and the following performance of loading system, opting for the “V-F” control mode, we proposed the variable proportional separate integral control algorithm with amplitude limit to enhance the system's adaptive capacity. Experiments show that this program has a good coordination feature in the variable traction control, and fully meets the requirements of blade loading test.

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33

Rusin, Dmitry L. "Organization of polygon control system for traction rolling stock." Innotrans, no. 4 (2019): 57–63. http://dx.doi.org/10.20291/2311-164x-2019-4-57-63.

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34

Lopez, C. J., R. J. Patton, and S. Datey. "Fault-Tolerant Traction System Control Using Fuzzy Inference Modelling." IFAC Proceedings Volumes 31, no. 10 (1998): 137–42. http://dx.doi.org/10.1016/s1474-6670(17)37549-3.

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35

Bolshunova, O. M., A. A. Korzhev, and A. M. Kamyshyan. "Adaptive control system of dump truck traction electric drive." IOP Conference Series: Materials Science and Engineering 327 (March 2018): 052007. http://dx.doi.org/10.1088/1757-899x/327/5/052007.

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36

Pechenkina, N. V. "Control system of electric traction drive of electric vehicle." IOP Conference Series: Materials Science and Engineering 918 (October 7, 2020): 012165. http://dx.doi.org/10.1088/1757-899x/918/1/012165.

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37

Uyulan, Çağlar, and Metin Gokasan. "Modeling, simulation and re-adhesion control of an induction motor–based railway electric traction system." Proceedings of the Institution of Mechanical Engineers, Part I: Journal of Systems and Control Engineering 232, no. 1 (2017): 3–11. http://dx.doi.org/10.1177/0959651817732487.

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Increasing the traction force is a complex problem in the design of railway vehicles; therefore, effective traction systems and algorithms have to be developed. During the traction process, the verification of traction algorithms and control strategies are based on simulations covering all locomotive dynamics. In this article, traction model of a railway vehicle and re-adhesion control method based on simulation approach are investigated to obtain more effective results. The longitudinal dynamic of a railway vehicle having traction system, which comprises two parallel motor groups, each of which has two field-oriented induction motor connected in series, is simulated to examine time-dependent changes in motor stator currents, traction torque, adhesion and resistance forces according to a given speed reference. The interaction between the adhesion force and the slip ratio is established according to the Burckhardt adhesion model, and a modified super-twisting sliding mode slip control is implemented in a computer simulation under various contact conditions so that simulation results approve the presented control method works under the maximum adhesion force. The comparison between the classical and modified version of the proposed control strategy was made to better evaluate the performance of the control system and to better optimize the traction system.

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38

Wang, You Zhao, Huang Jing, and Han Wei Chen. "Research on Tension Control Model for Traction and Take-up System of Loom." Advanced Materials Research 627 (December 2012): 444–48. http://dx.doi.org/10.4028/www.scientific.net/amr.627.444.

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This paper does some researches on the framework and control mechanism of traction and take-up system of Loom, which keep the winding tension constant. A traction and take-up control model using fuzzy neutral network adaptive PID algorithm is designed. The results prove this model is available in constant tension control system. The constant tension control system makes traction and take-up system operate more precisely and improves the quality of fabric.

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39

Sarjana, Emilia Hesti, and Sholihin. "Coffee Groping Control System using tcs 3200 Sensor Based on xbee." Journal of Physics: Conference Series 1167 (February 2019): 012017. http://dx.doi.org/10.1088/1742-6596/1167/1/012017.

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Ковалев, Роман, Roman Kovalev, Алексей Тарасов, et al. "Control of traction and braking hybrid shunting locomotive with asynchronous traction motors." Bulletin of Bryansk state technical university 2014, no. 3 (2014): 89–92. http://dx.doi.org/10.12737/23227.

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Principles of the management system asynchronous traction drive hybrid shunting locomotive at the limit of adhesion of the wheels and rails in modes of traction and electrical braking and procedures for the development of complex Electromechanical model of the locomotive, the results of the simulation of the dynamics of the acceleration of the locomotive when the realization of the ultimate traction.

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Wang, Song, Wenbo Zhang, Jingchun Huang, Qingyuan Wang, and Pengfei Sun. "Adhesion Control of Heavy-Duty Locomotive Based on Axle Traction Control System." IEEE Access 7 (2019): 164614–22. http://dx.doi.org/10.1109/access.2019.2952268.

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42

Li, H. Z., L. Li, L. He, et al. "PID plus fuzzy logic method for torque control in traction control system." International Journal of Automotive Technology 13, no. 3 (2012): 441–50. http://dx.doi.org/10.1007/s12239-012-0041-4.

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43

Balce, A. E. "STATUS AND APPLICATIONS OF THE ALBERTA PHOTOGRAMMETRIC CONTROL SYSTEM." Canadian Surveyor 41, no. 1 (1987): 23–32. http://dx.doi.org/10.1139/tcs-1987-0002.

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The Alberta Photogrammetric Control System (APCS) offers a wide range of applications including map compilation, quantity determination, map revision, land surveying and land information services. Accuracies of derived coordinates using an analytical stereoplotter are in the order of 0.11 to 0.21 m for horizontal and 0.10 to 0.17 m for vertical in urban areas. In rural areas, accuracies are 2.05 m for horizontal and 1.05 m for vertical. These accuracies are well within the standard accuracies of map products compiled using APCS data. The status of the system is presented.

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Ma, Lan, Yuhua Du, Leilei Zhu, Fan Yang, Shibiao Xiang, and Zeliang Shu. "Decentralized Control Strategy for an AC Co-Phase Traction Microgrid." Energies 14, no. 1 (2020): 7. http://dx.doi.org/10.3390/en14010007.

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High speed and heavy loads have become more prevalent in the traction power supply system recently. To ensure system operating stability, better power quality, and sufficient power capacity, improvements are needed over the conventional traction system. Inspired by the concept of a microgrid (MG), an AC co-phase traction MG system was proposed. Substations were connected to the traction grid as distributed generators operate in islanded mode. Droop control was adopted as the primary control to stabilize the system’s operating frequency and voltage. Considering the operating features of the substation and locomotive load, a de-centralized secondary control strategy was proposed for AC co-phase traction MG system operation with enhanced resiliency. The proposed control strategy could increase system stability and prevent circulation currents between substations. Moreover, the proposed de-centralized coordination between substations does not rely on communication, which promotes the system’s “plug-and-play” functionality. Stability analysis was undertaken and the proposed controller was proved to be exponentially stable. The dynamic response of the proposed controller was validated using comprehensive case studies in MATLAB/Simulink.

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Hendricks, Eric A., Melinda S. Peng, Bing Fu, and Tim Li. "Quantifying Environmental Control on Tropical Cyclone Intensity Change." Monthly Weather Review 138, no. 8 (2010): 3243–71. http://dx.doi.org/10.1175/2010mwr3185.1.

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Abstract Composite analysis is used to examine environmental and climatology and persistence characteristics of tropical cyclones (TCs) undergoing different intensity changes in the western North Pacific (WPAC) and North Atlantic (ATL) ocean basins. Using the cumulative distribution functions of 24-h intensity changes from the 2003–08 best-track data, four intensity change bins are defined: rapidly intensifying (RI), intensifying, neutral, and weakening. The Navy Operational Global Atmospheric Prediction System daily 0000 and 1200 UTC global analysis and Tropical Rainfall Measuring Mission Microwave Imager data are then used as proxies for the real atmosphere, and composites of various environmental fields believed relevant to TC intensity change are made in the vicinity of the TCs. These composites give the average characteristics near the TC, prior to undergoing a given intensity change episode. For the environmental variables, statistically significant differences are examined between RI storms and the other groups. While some environmental differences were found between RI and weakening/neutral TCs in both basins, an interesting result from this study is that the environment of RI TCs and intensifying TCs is quite similar. This indicates that the rate of intensification is only weakly dependent on the environmental conditions, on average, provided the environment is favorable. Notable exceptions were that in the WPAC, RI events occurred in environments with significantly larger conditional instability than intensifying events. In the ATL, RI events occurred in environments with weaker deep-layer shear than intensifying events. An important finding of this work is that SSTs are similar between intensifying and rapidly intensifying TCs, indicating that the rate of intensification is not critically dependent on SST. The TCs in both basins were more intense prior to undergoing an RI episode than an intensifying or neutral episode. In the WPAC, the three groups had similar translational speeds and headings, and average initial position. In the ATL, RI storms were located farther south than intensifying and neutral storms, and had a larger translational speed and a more westward component to the heading.

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Filanovsky, I., and L. Taylor. "A comparison of two models for an oscillator with an amplitude control system." IEEE Transactions on Circuits and Systems 34, no. 9 (1987): 1110–12. http://dx.doi.org/10.1109/tcs.1987.1086249.

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47

Babu, Ch Lenin, P. Harinath Reddy, and T. Reddi Sekhar. "Conventional DC Voltage Operating System for High Speeed Traction Power Supplies Using LLC-HPQC Control." IAES International Journal of Artificial Intelligence (IJ-AI) 4, no. 4 (2015): 118. http://dx.doi.org/10.11591/ijai.v4.i4.pp118-128.

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<p>In this paper a hybrid power quality compensator (HPQC) is proposed for compensation in cophase traction power supply and minimum dc operation voltage is achievable for high-speed traction power supply. The parameter design procedure for minimum dc operation voltage in HPQC as well as minimum voltage rating with load PF is discussed. The detailed discussions of proposed circuit configurations of HPQC are provided in section II, together with comparison with conventional RPC. In comparison with conventional railway power compensator proposed HPQC can achieve reduced dc link voltage level. It is also verified through simulations results that the LLC-HPQC would operate at the minimum voltage with the proposed parameter design. HPQC is able to provide system unbalances, reactive power, and harmonic compensation in cophase traction power with reduced operation voltage. The cophase traction power supply with proposed HPQC is suitable for high-speed traction applications.</p>

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48

Yu, Jiawei, Qiang Wang, Guozhong Zhou, et al. "Analysis of the Subdivision Errors of Photoelectric Angle Encoders and Improvement of the Tracking Precision of a Telescope Control System." Sensors 18, no. 9 (2018): 2998. http://dx.doi.org/10.3390/s18092998.

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Photoelectric angle encoders, working as position sensors, have a great influence on the accuracy and stability of telescope control systems (TCS). In order to improve the tracking precision of TCS, a method based on subdivision error compensation for photoelectric angle encoders is proposed. First, a mathematical analysis of six types of subdivision errors (DC error, phase error, amplitude error, harmonic error, noise error, and quantization error) is presented, which is different from the previously used analysis based on the Lissajous figure method. In fact, we believe that a mathematical method is more efficient than the figure method for the expression of subdivision errors. Then, the distribution law and period length of each subdivision error are analyzed. Finally, an error compensation algorithm is presented. In a real TCS, the elevation jittering phenomenon occurs, which indicates that compensating for the amplitude error is necessary. A feed-forward loop is then introduced into the TCS, which is position loop- and velocity loop-closed, leading to a decrease of the tracking error by nearly 54.6%, from 2.31” to 1.05”, with a leading speed of 0.25°/s, and by 40.5%, from 3.01” to 1.79”, with a leading speed of 1°/s. This method can realize real-time compensation and improve the ability of TCS without any change of the hardware. In addition, independently of the environment and the kind of control strategy used, this method can also improve the tracking precision presumably because it compensates the measuring error inside the photoelectric angle encoder.

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Yang, Ye Song, Guang Sheng Ren, and Xiao Qing Yin. "Measurement and Control System for Traction Motor Based on OPC Technology." Advanced Materials Research 542-543 (June 2012): 208–11. http://dx.doi.org/10.4028/www.scientific.net/amr.542-543.208.

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The paper analyzes the working principle and the advantages and disadvantages of synchronous access and asynchronous access in OPC standard. Take the traction motor performance test and control system as example. It used Visual Basic development OPC client and used PC Access as an OPC Server. The performance test bed for traction motor realize the measurement and control system efficient, stable and reliable operation. According to the characteristics of different parameters, the system chooses the methods of Subscription and Synchronous Write which used the advantages of synchronous access and asynchronous access.

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Orlov, Yu A., V. P. Yanov, and P. G. Kolpakhian. "Decreasing power inputs using intellectual system of electric traction control." Russian Electrical Engineering 81, no. 1 (2010): 37–41. http://dx.doi.org/10.3103/s1068371210010050.

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