They are open to mechanical failure caused by the severe environment on mars. Lhb fiat bogie of indian railway high speed passenger. Pdf this research is conducted to demonstrate advantages of skyhook semi active dampers in railway vehicle suspension system. Jan 09, 20 rocker bogie suspension system nikhil vaidya. This process gave an on going appreciation but did not allow a full anticipated validation.
Bogies are classified into singleaxle, twoaxle, threeaxle, etc. In their work, ga was integrated into matlabsimpack cosimulation to optimize the bogie suspension system, in which the ride comfort and. A bogie may remain normally attached as on many railroad cars and semitrailers or be quickly detachable as the dolly in a road train or in railway bogie exchange. Rubber air suspension bags are provided as the secondary suspension system for most modern trains. In addition to its relatively simple structure, it has the advantage of decreasing the impact of track irregularities on the rail car at the car suspension point, in comparison to the singleaxle bogie which. The articulated trainset and the positioning of the bogies between the bogle are also favourable to the installation of a bogie with a large wheel base. Effect of suspension system in the lateral stability of railway freight. Nov 11, 2016 in indian railways icf boogie is used in all the majority of passenger line coaches. Chain links or swing hangers connect the bogie to the leaf spring of the suspension system that rests on the axle box fig. These vibrations are transferred from track to bogie through the primary suspension system and then from bogie to carbody through the secondary suspension system.
Requirements from a bogie linearcurving requirement. Axle box suspension ridigity important factors affecting bogie running performance are. Unlike your car suspension system, rocky bogie system can enable the robot to climb an obstacle has twice its wheel diameter depends on the motor torque and wheel surface friction. Pdf study on bogie and suspension system of an electric. Suspension system of railway vehicle railelectrica. Each of the rovers six wheels has an independent motor. How well this is done depends on the characteristics of the actuator. Pdf semiactive train bogie suspension using skyhook dampers. A wide variety of alstom railway bogie options are available. Towards optimization of a high speed train bogie primary. Furthermore the bogie weighing system provides ansaldobreda a cost effective solution for future rolling stock projects.
An active suspension system consists of actuators, sensors and a specific control law. Lhb fiat bogie of indian railway high speed passenger coaches. The main focus of this chapter are the bogie features that are directly or indirectly related to the axlebox application. September, 2009 page 1 of 21 maintenance instruction no. Jun 18, 2019 train bogie kz4a suspension yaw damper supplies used for kazakhstan rolling stock. Elastic elements helical, air, rubber springs these are components which return to their original position when forces causing the affect are removed. Keyword ac train, articulated bogie that utilizes the four point suspension type system, articulated bogie that utilizes the two point suspension type system, operational safety, offset load 1 introduction 2 overview of the articulated bogies manufactured for testing on the ac train. What type of suspension system is used in different types of. Aug 03, 2019 trains bogie parts hydraulic shock absorber and railway coupler. Apr 25, 2019 train spare parts bogie wheels used for turkey railway. Development of train bogies that support the articulated. The optimized values of design parameters bogie primary suspension stiffness and damping are found for each operational scenario.
In order to maximize their maneuverability during the competition, the students set a design criteria of being able to traverse any of the prescribed obstacles in the mining arena. Pdf a lateral active suspension for conventional railway bogies. Bogie suspension design is a complex and difficult science which has evolved over many years. A rail vehicle is mostly considered as a linear system and its vibration response is studied in frequency domain.
This system is complex with having many degrees of freedoms making the study of vehicle dynamics a challenging subject from the beginning of industrial revolution. The device is detected by a box mounted on the leading bogie of the train to inform the equipment when to switch off and on. If track irregularities are expressed in terms of power. Railway technical web pages archive page vehicle suspension systems introduction almost all railway vehicles use bogies trucks in us parlance to carry and guide the body along the track. Almost all railway vehicles use bogies trucks in us parlance to carry and guide the body along the track. The main actions conducted to reduce the unsprung masses and the gross weights were aimed at the following main components. A lateral active suspension for conventional railway bogies article pdf available in vehicle system dynamics 471. The soft suspension effectively isolates the bogie frame from the motion of the wheelsets. Cmi rdso2009cgcmi01 for official use only indian railways maintenance instructions on air suspension for mainlinerajdhani coaches with icf type bogies rdso2009cgcmi01 september 2009 research designs and standards organisation manak nagar. The portable weighing system can also be moved to accommodate different wheel centres and allow continuous production. The mitrac control tmcs train control management system is a modular, scalable, secure and openstandard control and communication platform. Bogie suspension system and access the possibility to implement in front loading vehicles, iosr journal of mechanical and civil engineering, eissn.
A disadvantage that can be mentioned is that the weight of a bogie with link suspension is about 100 kg higher than the weight of a y25 bogie. Movement of railway vehicle on rail is a guided movement, different as compared to road. Three new wagons are subjected to different load conditions and for each wagon a proper set of springs has been suggested. Optimizing wheel profiles and suspensions for railway vehicles. Some of the significant steps in progress are described here. The rocker bogie system is the suspension arrangement developed in 1988 for use in nasas mars rover sojourner, and which has since become nasas favored design for rovers. Basics of vehicle truck and suspension systems and. History of air spring development for shinkansen trains hideki kitadaair springs are part of a soft damping suspension system that provides both softness and damping characteristics by utilizing the compressibility and flow resistance of air. Train bogie kz4a suspension yaw damper supplies used for kazakhstan rolling stock. The bogie frame is a y frame fabricated and machined structure.
Jpl states that this rocker bogie system reduces the motion of the main mer vehicle body by half compared to other suspension systems. Train bogies usually have a suspension system and separate breaking system so that the train handling and comfort can be maintained at every stage of the transportation. The main ones are bogie design principle parameters, guiding suspension, primary spring and damping principles that are. It has been used in the 2003 mars exploration rover mission robots spirit and opportunity, on the 2012 mars science laboratory msl missions rover curiosity, and is slated for use in the mars 2020 rover. Rocker bogie rover mobility tests picaxe 28x2 duration. In addition to its relatively simple structure, it has the advantage of decreasing the impact of track irregularities on the railcar at the car suspension point, in comparison to the singleaxle bogie which transmits the impact to the car directly fig.
May, 2014 study on bogie and suspension system of an electric locomotive wap4 1. An active suspension system consists of actuators, sensors and a specific control law, which generates the force demand for the actuator. It involves a list of information on the various parts of a conventional type bogie and also the various advantages of. Train sets are the best vehicle solution for suburban and regional passenger operation and for. The primary mechanical feature of the rocker bogie design is its drive train simplicity, which is accomplished by using only two motors for mobility. These limits do not form a part of train examination. One of the constant areas of improvement in the design of highspeed bogies has been with weight reduction, which has been essential in. A six wheeled rover capable of travel across rough terrain using an efficient high degree of mobility suspension system. Design data on suspension systems of selected rail. A bogie may remain normally attached as on many railroad cars and semitrailers or be quickly detachable as the dolly in a.
A bogie weighing system for future highspeed trains. The locomotive body weight is transferred to the bolster through a center pivot. Ride performance of a high speed rail vehicle using. The image is not accurate but it will suffice the needs for the answer. The icf bogie consists of two types of suspension in each bogie, a primary suspension and.
The actuator should be able to generate the demanded control force. Railway bogie and brake system train damper for saudi arabia locomotive parts. Dec 01, 2015 this system is giving a high level of stability to the center of gravity of the robot and provides it with high torque due to its six motors. It manages and controls the flow of information both on board between different subsystems such as converters, doors, heating, ventilation and airconditioning, and also between the train and ground.
Train bogie market global industry analysis, size and. This project involves a detailed study on the bogie and suspension system of an electric locomotive wap4 in indian railways. Design and implementation of a rockerbogie suspension for a. The air is supplied from the train s compressed air system. In this paper, the suspension springs of bogie md52 with mm line gauge have been designed to satisfy both the static and dynamic conditions. In other words, the axle box suspension system must be constructed so that it prevents. The two front and two rear wheels have individual steering motors which allow the vehicle to turn in place. Rtdz16 bogie side frame of the metro bogie parts used in rolling stock. Study on bogie and suspension system of an electric. International open access journal of modern engineering research ijmer ijmer issn. The crucial function of the train bogies is to support the mass of the train, use of the wheels to guide along the tracks and to provide a good cushioning effect against the.
One of the trialed coach with 3point suspension system was converted to 4point system and other one to conventional coil springs. Pdf this research is conducted to demonstrate advantages of skyhook semiactive dampers in railway vehicle suspension system. This is in between bogie and vehicle either through a bolster or bolsterless. Equipment for mainline vehicles bombardier transportation. Talgo suspension system showing independent wheels. Sep 23, 2016 lhb fiat bogie of indian railway high speed passenger coaches. Air suspension in railway coaches linkedin slideshare. A four wheeled rover capable of traversing rough terrain using an efficient high degree of mobility suspension system. Railway bogies are complex subsystems in railway vehicles and contain brake systems, drive systems including gearbox coupling and traction motors for powered wheelsets, bogie frames with secondary spring systems and the wheelset subsystems, which are basically the assembly of two wheels and an axle. They were first used on railways about 60 years ago. T railway technology today 5 edited by kanji wako how.
Bogies take various forms in various modes of transport. Apr 11, 2020 bogie during endurance tests performed on the train. The bogie frame and bogie bolster of flexicoil bogie marki are of steel casting box type construction manufactures as per the standard laid down by rdso. Bogie designs today, very different bogie design principles are applied.
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