It features an uprated 998 inline four short stroke engine from last years f4 rr and an 8level traction control system, a fly by wire throttle plus 4 engine maps that can each be set to normal, sport or rain but lacks the ohlins suspension of its more illustrious siblings. Introduction of traction system in hindi, electrical traction and nonelectric traction system. The traction inverters monitor the wheel speeds, primarily looking for high accelerations, and reduce the motor torque accordingly. The control problem is divided into subloops such as. Traction control system tcs works in the background to prevent your wheels from overspinning on slippery surfaces. In the united states, newer electrified portions of the northeast corridor i. Tecu traction engine control unit tmv control systems. Antilock braking system abs abs training 2 antilock braking system abs purpose antilock brake systems abs generally also referred to as antilock systems als are designed to prevent the vehicle wheels from locking as a result of the service brake being applied with too much force, especially on slippery road surfaces. Traction control tcs is a stability control feature closely associated with abs. With more than 200 rail professionals specializing in vehicles, traction power, train control, infrastructure and operations, ltk brings unparalleled technical expertise to the simulation of rail networks. Crash rates for a variety of impact types before and after vsc technology was implemented are compared. Electric traction control the railway technical website.
The earliest version of traction control was the emd idac system for instantaneous detection and control which detected wheelslip by the change in resistance due to the increase in speed the electrical resistance of a series wound traction motor is inversely proportional to its speed resistance goes down as speed goes up. Power electronics technologies for railway traction systems. Traction control is a driving safety feature that is used for virtually every vehicle available in the new car market. Traction power electrification system investigation report washington metropolitan area transit authority. This will allow more engine torque to be applied to the wheel that is not spinning. These are independent of the contact system used, so that, for example, 750v dc may be used with either third rail or overhead lines the latter normally by trams. The track electrification refers to the type of source supply system that is used while powering the electric locomotive systems. Pdf adhesion control of heavyduty locomotive based on. As your ideal partner, abb provides complete highefficient and reliable solutions to power a wide application range for any light rail vehicle and related vehicle concepts e. It usually includes both powered and unpowered vehicles. Srivastava control instrumentation division genesis of the project indian railways have a large variety of ac locomotives in their fleet.
Adhesion control of heavyduty locomotive based on axle traction control system article pdf available in ieee access pp99. Federal transit administration december 9, 2016 8 new insulators that can be removed for cleaning and then reinstalled. The traction control system has only limited usage because with the offroad usage it cant survive. System such a diesel electric drive, electric drive etc. Modeling and simulation of railway electric traction with. Definition of traction control system in the dictionary. Abbs traction systems for metro and light rail vehicles support the construction of clean, safe railway networks in cities. Pdf active steering system of railway vehicles has proven its ability to bridge the gap between stability and curve friendliness. This page contains all the latest information, news, videos, images and articles on all aspects of train traction and control. Pdf antislip traction control of railway vehicle based. An advanced traction control system can help limit wheel rotation and enhance vehicle stability. The basic aim is to give a detailed description of how the most generally used traction and engine systems work in presentday railways. These sensors measure differences in rotational speed to determine if the wheels that are receiving power have lost traction. Energy saving technologies in the railway vehicle traction field can be mainly.
A feature of the tcs system functions similar to a limitedslip differential and controls the wheel spin across a driven axle. It can hold, release and then reapply braking pressure until the wheel regains traction. Read track design handbook for light rail transit, second. Railway works under the indian railway which is a stateowned organization of the ministry of railway. The tes for a typical modern light rail or street car system includes an overhead contact system ocs, traction power substations and feeder cables, together with associat ed substation protective devices, and may include supervisory control and data acquisition. A traction system was developed to reduce maintenance work by replacing mechanical contacts with electronic contacts and to collectively control the information required for train control in cooperation with the information control system. Antilock braking system abs and antislip regulation asr. Technically, it is a mechanical, hydraulic, or electric system that maintains or controls traction to any wheels driven by the engine. Dtcdynamic traction control is a part of dynamic stability. Determination of adhesion coefficients to input into traction control systems is a complex and difficult issue. The firm shall have prior experience of supplying igbt based traction system for 4000hp. Locomotive traction and rail wear control ye tian beng electrical engineering and automation tianjin university, china msc control systems imperial college london, uk a thesis submitted for the degree of doctor of philosophy at the university of queensland in 2015 school of.
Information and translations of traction control system in the most comprehensive dictionary definitions resource on the web. In this paper, a robust control strategy of a railway traction system with induction motor is proposed. This lets the traction control system slow the wheel that is spinning. Microprocessorbased traction control system for 25 kv ac locomotives y. Schematic of 25kv traction control system with the 25kv fed into a transformer. Jan 27, 2012 a traction control system adds another solenoid valve in the antilocking braking system modulator. Traction control system tcs is a vehicle safety feature. The system should be capable of working without speed or position sensors. Pdf in railway traction system adhesion is an important factor to accelerate the vehicles quickly. Traction control system synonyms, traction control system pronunciation, traction control system translation, english dictionary definition of traction control system.
Ppt electric traction system powerpoint presentation. Efficient train traction system that reduces maintenance work. This lets the car slip a little before it cuts and saves you from looking like in idiot. Traction control system do not let this special safety feature tempt you into taking risks the traction control system tc is a when driving. The use of 52meter trains doubles the capacity and is the world premiere for the val metro system. Pdf application of brakingtraction control systems to the scaled. Over acceleration at critical points in the race can lead to wheels spinning which can result in an increased race time or a vehicle spinout. Real world crash evaluation of vehicle stability control vsc. It stops the wheels from spinning without any grip. Their is a chance of traction control system getting damaged frequently and it require. The nissan traction control system or tcs is a system designed to help prevent wheelspin.
Microprocessorbased traction control system for 25 kv ac. The model of two substation rectifiers in one track section with the conventional twolevel traction drive has been proposed which is according to the. What are the components of the traction control system. May 24, 2016 traction control system presentation slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. Pdf power quality issues in railway traction system. Traction control is a car safety feature that prevents wheels from spinning on lowgrip surfaces. Since the application of the induction motor fed by three phase inverter to the electric railway vehicle, the vector control system which drives parallelconnected. And fundamentally dc motors are used for electric traction system what is electric traction, what is electric traction motor, what is electric traction control, what is meant by electric traction. Saab 9000 series vehicles are equipped with mark iv abs. In deep and trustful partnerships with vehicle builders, refurbishers, and rail operators, we supply stateoftheart traction systems. Robust control of railway traction system sciencedirect. Tractioncontrol system article about tractioncontrol.
There are many other voltage systems used for railway electrification systems around the world, and the list of current systems for electric rail traction covers both standard voltage and nonstandard voltage systems. What is a traction control system and how does it work. Chances are that if you own a car, it has traction control and youve benefitted from it, possibly without realising how it actually helps. Rolling stock originally referred to the vehicles that move on a railway. This system will compensate for any over acceleration that may occur during start up or around corners. Aug 09, 2011 a topic seminar ontraction control systempresented by,vijay s4ps07me093p. This is also useful for unplowed roads where you need a bit more traction to get going. Introduction classification electric traction railway traction third rail system overhead system traction is defined as. Railway traction systems alternating current electric motor. A study of coordinated vehicle traction control system. Traction control is a technology designed to help your vehicle maintain traction, no matter how slippery the road surface. Power electronics technologies for railway traction systems 307 the east japan railway company is developing a nextgeneration rolling stock control system for the experimental series 209 the multipurpose experimental train muetrain. Under complicated situations, such as the low slippery road surface and splitroad surface, traction control system is the key issue to improve the performance of vehicle acceleration and stability.
Operational and safety considerations for light rail dc. If you continue browsing the site, you agree to the use of cookies on this website. It allows brake actuation pressure to be generated to brake a driven wheel to prevent it spinning when peak adhesion has been lost during acceleration, and thus maintain traction by transferring the drive torque to another drive wheel that does have full adhesion. A free powerpoint ppt presentation displayed as a flash slide show on id. The speed control system of this traction motor is fieldoriented control. Introduction of traction system in hindi, electrical. If one wheel on a driven axle is spinning faster than the other, the system will apply the brake of the spinning wheel. Efficiently and quickly managing hundreds of analog and digital input and output signals, tecu is nimble yet robust in meeting the rigors associated with rail applications. Siemens mobility supports beijing metros mass transit line as the first fully automated propulsion system mass transit project in beijing bolstering up chinas propulsion system market with cuttingedge digitalization and innovation expertise. The braking system, traction control system if the abs indicator and the brake system indicator come on together, and the parking brake is fully released, the fronttorear braking distribution system may also shut down. There are many other voltage systems used for railway electrification systems around the world, and the list of current systems for electric rail traction covers both standard. Abb transformers service to refurbish a fleets traction transformers for one of the worlds most punctual airport rail links. Traction motors are used in electrically powered rail vehicles electric multiple units and other electric vehicles including electric milk floats, elevators, roller coasters, conveyors, and trolleybuses, as well as.
Train traction systems for passenger comfort and easier. The chapters dealing with the traction control and. In addition, it interacts with the powertrain control module, reducing engine torque. Traction control system tcs electronic brake control. Automatic stability control is used in the bmw k1200r motorcycle and in motogp competition. The main objective of this project is to design a slippage detection and traction control system. Under normal running, the signal is exactly reproduced firing the fuel injectors as normal. If the brakes feel normal, drive slowly and have your vehicle repaired by your. Traction control system driving and operating ride control systems the hill start assist is not active during 9 warning an autostop. Trainops is a software product developed by the rail systems and software professionals of ltk engineering services, an employeeowned company. Railway is a largest means of transportation in india and it is ranked in the world as fourth largest railway network. Track design handbook for light rail transit, second edition 114 11.
Traction systems for locomotives and high speed applications. This study quantifies the effect of vehicle stability control vsc in reducing crash involvement rates for a subset of vehicles in the us fleet. Application of brakingtraction control systems to the scaled active steering testbed in the railway vehicle. Modeling and simulation of railway electric traction with vector control drive abstract.
Simplified and advanced modelling of traction control. Until the late 20th century it was universally employed in traction system. As announced on page 2, this fundamental information booklet deals with the basic structure of the various traction control and assist systems, which influence the vehicle dynamics via the brake system or engine intervention. Modelling of rail traction and power distribution systems. Traction control system definition of traction control. A comprehensive model for adhesion control system of wheel and. Traction control is a widely used control system to increase stability and safety of four wheel vehicles. The system which use electrical power for traction system i. Average rating from 11,252 customers who received a brake pads replacement. The train control system is analogous to the sensory organs and central nervous system of the human body. Traction control system mechanical and automobile ieee project topics, thermal engineering base paper ideas, synopsis, abstract, report, figures, full pdf, working details for mechanical engineering me, diploma, btech, be, mtech and msc college students.
Traction control is a system that limits the amount of wheel spin or slip of a driven wheel. However, the introduction of network into the traction motor driving system also brings many uncertain factors, such as networked time delay, loss and disorder of data packages, etc. Simplified and advanced modelling of traction control systems of heavyhaul locomotives article in vehicle system dynamics 535. Trainops operations, traction power, train control. Jul 06, 2014 traction control system tcs reduces torque to the driven wheels to minimise slip. The railway system division, in its commitment to future progress, has consistently achieved technological breakthroughs on three systems that are shaping the future worldwide. Abb traction system turns swiss trains into energysaving alpine icebreakers.
In countries where 60 hz is the normal grid power frequency, 25 kv at 60 hz is used for the railway electrification. Rail vehicle control system integration testing using. Traction power electrification system investigation wmata. A secondary winding is taken off for the ac to dc converter, which produces a dc output to pass to the motor converter, which then provides the controlled three phases to the traction motors. Railway transportation systems for a comfortable future.
It senses and processes information, makes decisions, and transmits commands. Nov 18, 2015 traction control is a car safety feature that prevents wheels from spinning on lowgrip surfaces. Antislip traction control of railway vehicle based on estimated wheel rail contact condition. Control systems for convertercontrolled rail vehicles are orders of magnitude more complex than controllers for previous generations of vehicles. Locomotive manufacturers introduce traction control system strategies for achieving optimal adhesion allowing for axle weight transfers. Substations to power new rapid transit network and increase energy efficiency. Modeling of highspeed traction motors control system.
Traction motor control with inverters used on railways. Sufficient experience in manufacture and integration of igbt based traction control system for 40004500hp dieselelectric locomotive is required due to specific and complex. In modern vehicles, traction control systems utilize the same wheelspeed sensors employed by the antilock braking system. Matlab and simulink enable grid simulation and analysis to replicate and analyze energy transfers in different operation conditions depending on the characteristics of your voltage, current, or contact electrification system. Railway electrification provides traction energy to trains. A traction motor is an electric motor used for propulsion of a vehicle, such as locomotives or electric roadway vehicle. Tecu is tmvs complete electronic control package for your locomotive.
The traction control system was therefore introduced to maintain wheel traction and avoid tire slip, allowing for a safer driving experience on snowy, wet roads and while making turns. Mandya slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. In this paper, a novel control strategy with engine controller and active pressure controller is. Its raining as you drive on a darkened highway late at night, but you never worry about safety your car has. This article presents a new traction control system under complicated situations, including the low.
Also as in the human body, the execution of commands is not a function of the train control system but of other parts specialized for that purpose. While the dynamic behaviour of previous generations of vehicles was to a large extent determined by its power components alone, an important part of the dynamics of modern vehicles is shaped by. Optimising this task requires solving the problem of how to estimate rail friction condition. The various systems usually make use of the same types of sensor. Abb is the expert for traction converters, motors, transformers, and complete traction chain solutions. Advantages and disadvantages of traction control system. Traction systems for light rail vehicles and metros abb. The gears here are high functioning which are involved in the traction control.
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