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1

Jiang, Yongzhi, Pingbo Wu, Jing Zeng, and Hao Gao. "Comparison of the curve negotiation properties of two different articulated monorail vehicles." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 233, no. 8 (November 19, 2018): 831–43. http://dx.doi.org/10.1177/0954409718810946.

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This paper introduces two types of articulated monorails. The vehicle model of the traditional monorail is set up first, and a genetic algorithm is used to modify the parameters with the experimental data. Then, the two types of articulated monorail vehicle models are set up with the components and parameters of the model of the traditional monorail. By comparing the dynamic properties of the traditional monorail with the two types of articulated monorails, the advantage of the latter is realized. Finally, it has been concluded that the “non-bolster type” structure will be a better choice for vehicles passing a small radius curve. This analysis can be helpful in selecting the appropriate monorail system for particular conditions.
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2

Jiang, Yongzhi, Wensheng Zhong, Pingbo Wu, Jing Zeng, Yunchang Zhang, and Shuai Wang. "Prediction of wheel wear of different types of articulated monorail based on co-simulation of MATLAB and UM software." Advances in Mechanical Engineering 11, no. 6 (June 2019): 168781401985684. http://dx.doi.org/10.1177/1687814019856841.

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Analysis of the Chongqing monorail shows that there is no relationship between wheel wear and radial force, which means the radial force cannot be used to evaluate the wheel wear of monorail. Due to the same physical significance of the Schallamach tire wear model for automobiles, the wear index of railway wheels, which represents the creep power of unit wheel–rail contact area, is proved to be effective in evaluating the wheel wear of railway vehicles, automobiles, and vehicles with both properties, namely, monorail. Parameters of Chongqing monorail, modified through genetic algorithm, are used to build the model of the articulated monorail. Through co-simulation of the MATLAB and UM software, the wheel wears of two types of articulated monorail are calculated. For both types of monorails, correlation analysis shows that the variation of driving wheel and guide wheel wear of the inner bogies with the track curvature radius are roughly the same. The variation of the wheel wears in the two end bogies is a little different from that of the inner bogies. Comparison indicates that the wheels of the bolster type monorail wear more than that of the non-bolster type. Regardless of the monorail type, the wheels in the inner bogies wear more.
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3

Viktor, Gutarevich, and Ignatkina Evgenia. "Study of the braking regime of rolling stock mining suspended monorail taking into account clearances in the coupling." Izvestiya vysshikh uchebnykh zavedenii Gornyi zhurnal, no. 5 (August 6, 2020): 108–15. http://dx.doi.org/10.21440/0536-1028-2020-5-108-115.

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Introduction. Currently, mine suspended monorails are becoming more common in coal mines for auxiliary cargo and people transportation. Compared to ground transport, monorail has significant differences, which does not allow to fully use the previously obtained results of braking modes studies. Research aims to establish regularities in the processes that occur during the mine suspended monorail road rolling stock braking mode, taking into account clearances in the couplings. Methodology. To substantiate the parameters and designs of brake and coupling devices of a mine suspended monorail, a mathematical model of rolling stock movement along the monorail has been developed. Results. Dependencies are established that describe the process of rolling stock braking on a monorail. Motion parameters for different values of stiffness, damping and clearances in the couplers are analyzed. It is established that the gaps in rolling stock coupling influence the value of undercarriage and suspension units longitudinal vibrations amplitudes. Conclusions. A mathematical model of rolling stock movement is developed with allowance for clearances in the coupling making it possible to simulate mine suspended monorail braking mode.
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Szewerda, Kamil, Jarosław Tokarczyk, and Andrzej Wieczorek. "Impact of Increased Travel Speed of a Transportation Set on the Dynamic Parameters of a Mine Suspended Monorail." Energies 14, no. 6 (March 10, 2021): 1528. http://dx.doi.org/10.3390/en14061528.

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The method of increasing the efficiency of using one of the most common means of auxiliary transport in underground coal mines—suspended monorails—is presented. Increase of velocity is one of the key parameters to improve the efficiency and economical effect related with the underground auxiliary transport. On the other hand, increasing the velocity results in bigger value of force acting on the suspended monorail route and its suspensions. The most important issue during increasing the velocity is ensuring the required safety for the passengers and not overloading the infrastructure. In order to analyze how increasing velocity influences the level of loads of the route suspension and the steel arch loads, the computational model of suspended monorail was developed. The computational model included both the physical part (embedded in the program environment based on the Multi-Body System method) and the components of the monorail control system. Two independent software environments were cooperating with each other through the so-called co-simulation. This model was validated on the base of results obtained on the test stand. Then, the numerical simulations of emergency braking with different values of velocity were conducted, which was not possible with the use of physical objects. The presented study can be used by the suspended monorail’s producers during the designing process, and leads to increase the safety on underground transportation routes.
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5

Taylor, Lawrence D. "The monorail ‘revolution’ of the 1950s and 1960s and its legacy." Journal of Transport History 37, no. 2 (November 24, 2016): 236–57. http://dx.doi.org/10.1177/0022526616667955.

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The paper uses a variety of primary and secondary sources to analyse why monorail proposals initiated by Goodell, Alweg, Lockheed and other manufacturers during the 1950s and 1960s failed to gain preference among transport planning authorities over alternative modes of transport such as conventional rail, subways, buses and eventually light rail. The article examines the ways in which improved versions of the monorail models developed during these two decades. In time, these changes led to a more dynamic market in which monorails continued to be built not only for use in amusement parks and exhibitions but also as ‘intermediate-capacity’ transit, airport commuting and other special-purpose applications.
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6

Gutarevych, Viktor, Nataliia Vodolaskaya, Esad Jakupović, and Dragoljub Mirjanić. "Research on the Influence of Dynamic Load on Suspended Monorail." Applied Mechanics and Materials 806 (November 2015): 23–29. http://dx.doi.org/10.4028/www.scientific.net/amm.806.23.

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The influence of the moving load on suspended monorail was studied. During the movement of suspended carriages were established inertial forces, which lead to the additional monorail curvature. Found the dependence of the maximum dynamic load of the trucks speed along the monorail. Established speed of truck at which load of the monorail is practically static. The dependence of the bending section of the monorail under the influence of moving dynamic forces and the value of dynamic coefficient for suspended monorail track were found.
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7

Tokarczyk, Jarosław. "Method for Identification of Results of Dynamic Overloads in Assessment of Safety Use of the Mine Auxiliary Transportation System." Archives of Mining Sciences 61, no. 4 (December 1, 2016): 765–77. http://dx.doi.org/10.1515/amsc-2016-0052.

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Abstract Method for identification the effects of dynamic overload affecting the people, which may occur in the emergency state of suspended monorail is presented in the paper. The braking curve using MBS (Multi-Body System) simulation was determined. For this purpose a computational model (MBS) of suspended monorail was developed and two different variants of numerical calculations were carried out. An algorithm of conducting numerical simulations to assess the effects of dynamic overload acting on the suspended monorails’ users is also posted in the paper. An example of computational model FEM (Finite Element Method) composed of technical mean and the anthropometrical model ATB (Articulated Total Body) is shown. The simulation results are presented: graph of HIC (Head Injury Criterion) parameter and successive phases of dislocation of ATB model. Generator of computational models for safety criterion, which enables preparation of input data and remote starting the simulation, is proposed.
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8

KIM, C. W., M. KAWATANI, T. KANBARA, and N. NISHIMURA. "SEISMIC BEHAVIOR OF STEEL MONORAIL BRIDGES UNDER TRAIN LOAD DURING STRONG EARTHQUAKES." Journal of Earthquake and Tsunami 07, no. 02 (June 2013): 1350006. http://dx.doi.org/10.1142/s1793431113500061.

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This paper investigated dynamic responses of steel monorail bridges incorporating train-bridge interaction under strong earthquakes. Two types of steel monorail bridges were considered in the study: a conventional type with steel track-girder; an advanced type with composite track-girder and simplified lateral bracing system. During strong earthquakes, monorail train was assumed standing on the track-girder of monorail bridges. Observations through the analytical study showed that considering the monorail train as additional mass rather than a dynamic system in numerical modeling overestimated effect of the train load on seismic performance of monorail bridges. Earlier plastic deformations at the end bracing of the girder system absorbed seismic energy and reduced the stress at the pier base.
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9

Gao, Feng, Lin Jing Xiao, Hong Gang Ma, and Shuai Guo. "Analysis on the Construction of the Monorail Hoist Auxiliary Transportation System in Coal Mine." Applied Mechanics and Materials 278-280 (January 2013): 189–92. http://dx.doi.org/10.4028/www.scientific.net/amm.278-280.189.

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To improve the efficiency of the auxiliary transportation system in the coal mine, the monorail auxiliary transportation system was built with the analysis of monorail’s adaptability and road section, and calculation about locomotive selection. The key link of the system’s popularization and application were proposed. The system provides practical significance to improve environment, enhance efficiency and ensure safety in transportation.
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10

Vlasov, Denis, Sergey Vakulenko, and Dmitry Romenskii. "Redevelopment of the Moscow monorail." Real estate: economics, management, no. 1 (May 17, 2021): 80–88. http://dx.doi.org/10.22337/2073-8412-2021-1-80-88.

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In the world practice of recent decades, monorail transport systems have been actively developing as an element of the mass passenger transport system. There is a monorail line in Moscow, which has exhausted its operational reserves and needs reconstruction. The article discusses the possible directions of development of the monorail in Moscow. Five possible directions of development have been identified, including the transformation of the line into other modes of transport (tram), the construction of an extension of the monorail line in various directions, the arrangement of urban public spaces and the renewal of rolling stock. Construction of an extension of the existing monorail line, rebuilding the system into a tramway, arrangement of a linear fleet — these are very costly options that require a significant amount of time to discuss projects. The most promising direction in the development of the system is the renewal of the rolling stock or its complete replacement while preserving the linear part of the monorail.
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11

Palmer, D. Jason. "The nanoscale monorail." Nano Today 3, no. 3-4 (June 2008): 8. http://dx.doi.org/10.1016/s1748-0132(08)70030-6.

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12

Yang, Zhen, Zixue Du, Zhouzhou Xu, Junchao Zhou, and Zhongwei Hou. "Research on dynamic behavior of train dynamic model of straddle-type monorail." Noise & Vibration Worldwide 51, no. 11 (August 17, 2020): 195–207. http://dx.doi.org/10.1177/0957456520947998.

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This article focus on the dynamic behavior of straddle-type monorail composed of multiple vehicles. The four-vehicle dynamic model of straddle-type monorail considering the coupler force is established on the basis of the coupler dynamic model. The correctness of the model is verified by the real experimental vehicle test of Chongqing straddle monorail line 3 from Huixing station to Changfuroad station. The stable wheel overturning coefficient suitable for monorail is proposed which is used to evaluate the anti-overturning performance of straddle monorail. The vibration response, riding comfort, and dynamic curving behavior are analyzed using the dynamic model. The results show that the vibration response of car body accelerations obtained by single-car model is much different from that obtained by train model. The riding comfort of straddle-type calculated by the single-car model would make large mistake, and a multiple train model is needed. The dynamic curving behavior of straddle-type monorail obtained by the single-car model could represent the dynamic curving behavior well.
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13

Danardono, A. S., G. Prayogo, Sugih Sugiharto, T. Nugraha, and K. Nuryadi. "Preliminary Analysis in the Improvement Turning Abilities in Design of the Monorail Bogie PT. MBW Indonesia." Applied Mechanics and Materials 663 (October 2014): 539–43. http://dx.doi.org/10.4028/www.scientific.net/amm.663.539.

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A straddle type monorail is the most widely used as means urban transportation system. It can be implemented in order to solve the problem of urban transportation and to support the concept of a light transit urban mobility of sustainable transport system. In the last five years, PT. MBW has started a study the design and manufacturing of straddle type monorail in Indonesia. In this research, we intend to propose the new design concept of the bogie more specific than the design standard available because the urban city topography in Indonesia has not developed yet to provide an area specific for installation a monorail facility. One of the design parameters that will be improved is the turning-ability and gradient-ability. The normal standard turning ability of a monorail for some products in the world has a minimum radius of 40-60 m, while the gradient-ability is about 5-6 %. The preliminary analysis in this research is to improve the turning abilities of monorail bogie and the effect of monorail motion stability. Bogie design will be accomplished by using the method of virtual prototyping.
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14

Zhang, Rang, Yuanjin Ji, and Lihui Ren. "Pre-load on the guiding/stabilizing wheels and the critical lateral force of a straddle-type monorail vehicle." Proceedings of the Institution of Mechanical Engineers, Part F: Journal of Rail and Rapid Transit 233, no. 2 (July 17, 2018): 160–69. http://dx.doi.org/10.1177/0954409718785292.

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The anti-overturning ability of a straddle-type monorail vehicle is influenced by the contact status between the guiding and stabilizing wheels and the track beam; therefore, an initial pre-load is required for the stabilizing and guiding wheels to enhance the anti-overturning ability of the straddle-type monorail vehicle. Determining the reasonable pre-load for the stabilizing and guiding wheels is a significant problem in the operation of a straddle-type monorail vehicle. D’Alembert’s principle has been adopted to transform the dynamic problem that straddle-type monorail vehicle runs on curve segment to the statics problem. The formula describing the relationship between the critical lateral force of the vehicle and the pre-load of the stabilizing wheels is derived from the lateral roll equation of the straddle monorail vehicle and is verified using the multibody dynamics software UM. Subsequently, the reasonable pre-load for the stabilizing wheels is analyzed from the perspectives of comfort and safety based on the formula of critical lateral force. Finally, the maximum and minimum speed limits on a curve for a straddle-type monorail vehicle are discussed based on the aforementioned analysis.
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15

Du, Zi Xue, Xiao Xia Wen, and Zheng Shen. "The Impact Analysis of Tire Parameter for Tire Wear When Monorail Vehicle Curve Driving." Applied Mechanics and Materials 470 (December 2013): 529–33. http://dx.doi.org/10.4028/www.scientific.net/amm.470.529.

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monorail spatially coupled dynamic modeling which has three directions attached contacts wheel have been established. According to the simulation and experimental results, dynamic model was validated. based on the dynamic coupling modeling , the tire parameter influence trends for the tire wear of walking wheel’s tires were analyzed when monorail vehicle curve driving. The analysis result revealed that because the contact of straddle-beam monorail is special, with the cornering stiffness increases of walking wheel tire, by the impact of the contact radial force from guide wheels and stabilizing wheels, the lateral forces of walking wheel is gradually increasing. tire wear speed increases at a constant when monorail vehicle curve driving.
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16

Wang, Jun Pu, Yong Ling Zhou, Fu Wan, Tao Huang, and Heng Liang. "Monorail Truss Structure Selection Based on Modal Analysis." Applied Mechanics and Materials 226-228 (November 2012): 364–67. http://dx.doi.org/10.4028/www.scientific.net/amm.226-228.364.

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The monorail truss structure natural vibration characteristics affect the performance of monorail in the work, this paper apply finite element method to carry out monorail truss natural vibration characteristics research. Considering the engineering practice, research and development two groups of monorail truss structure, calculated strength for two kinds of structural, two groups of truss structure strength meet the requirements, then used Guyan reduction theory to carry out modal analysis for the two trusses. From the modal analysis result can be found that the two groups of truss each order natural vibration period are not significant, structure natural frequency is intensive distribution, truss 2 dynamic rigidity is better, so was selected as the final structure scheme. The design ideas and methods provide a useful reference.
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17

Wen, Xiao Xia, Yi Tuan He, Zi Xue Du, and Xiao Xun Zhang. "Crash Simulation of Straddle-Type Monorail Vehicle Body and Human Injury Research." Advanced Materials Research 413 (December 2011): 486–90. http://dx.doi.org/10.4028/www.scientific.net/amr.413.486.

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In this paper, Based on collision simulation theory, a straddle-type monorail vehicle was considered as the research object. A collision model of Straddle-type monorail vehicle with human body model was set up. The course of collision between the straddle-type monorail vehicle and a rigid wall was simulated. During the body collision process, some parameters, such as velocity, displacement, energy and the injury of diver, were analyzed. According to the simulation results, the stiffness of vehicle and ability of energy absorption were evaluated.
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18

Nedak, A. "Analysis of monorail transport." Collection of scientific works of the State University of Infrastructure and Technologies series "Transport Systems and Technologies" 33, no. 1 (June 2019): 33–44. http://dx.doi.org/10.32703/2617-9040-2019-33-1-3.

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19

Liu, Min, and Yue Hua Gao. "Research on the Expert System of Detection and Management for the Tire Wear of Straddle Type Monorail Vehicle." Applied Mechanics and Materials 233 (November 2012): 255–61. http://dx.doi.org/10.4028/www.scientific.net/amm.233.255.

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Based on the experiential data from the operation of Chongqing No.2 light rail for six years, and combined with the deep analysis for the tire wear characteristic of the straddle type monorail vehicle, this paper presents an expert system of detection and management for the tire wear of straddle type monorail vehicle. Firstly, this paper will analyze the wear characteristic of the straddle type monorail vehicle tire. Secondly, this paper will give the basic design idea of the expert system. And finally the design method of the expert system will be presented with the use of access software and visual basic language. Practices show that the expert system presented in this paper can meet the actual need of detection and management for the tire wear of the straddle type monorail vehicle, and is effective for reducing repair cost and increasing the economic benefit for operation of urban railway traffic.
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20

Ji, Yuanjin, and Lihui Ren. "Anti-overturning capacity and critical roll angle of straddling monorail vehicle." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 232, no. 23 (January 15, 2018): 4420–29. http://dx.doi.org/10.1177/0954406217753234.

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Straddling monorail vehicles are a new rail transportation mode in which the bearing, running, and guiding rely on rubber tyre running gears. Since the lateral span of the running wheel is small, stabilizing wheels are added to enhance the anti-overturning capacity, which is influenced by the contact between the stability wheels and track beam. If one stabilizing wheel loses contact with the track beam, the tendency to overturn increases significantly. To ensure the straddling monorail vehicle has a stable anti-overturning capacity, an initial preload pressure is applied to the all stabilizing wheels and guiding wheels. The specific preload pressure of the stabilizing and guiding wheels is a unique issue of straddling monorail vehicles. This paper deduced a flexible coefficient formula of straddling monorail vehicles, validated the accuracy of the flexible coefficient formula based on dynamics simulations, and discussed the correlation between the flexibility coefficient and stabilizing wheel contact conditions. According to the variation regularity of the anti-overturning capacity of straddling monorail vehicles, the concept of vehicle critical roll angle was proposed. The calculation formula of the critical roll angle of straddling monorail vehicles was determined, and its accuracy was validated by dynamics simulations. Based on the above fundamentals, a functional relationship between the critical roll angle and stabilizing wheel preload pressure was derived. This paper proposed that the value of stabilizing wheel preload pressure should be reasonably determined according to the critical roll angle and discussed the maximum and minimum speed limit of curve negotiating.
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21

Kholopov, Yuri, Bela Musatkina, and Inna Denisova. "THE COMPARATIVE ANALYSIS OF THE NOISE CHARACTERISTICS OF LAND RAIL TRANSPORT AND EFFICIENCY OF NOISE PROTECTION MEASURES." Akustika 32 (March 1, 2019): 299–304. http://dx.doi.org/10.36336/akustika201932299.

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The article gives an analysis of the noise characteristics of modern types and systems of railway, monorail and urban land rail transport. The requirements of external, Russian and industry normative documents to the permissible noise levels in the residential area and on the land rail transport are considered. The results of the instrumental noise measurements on the route of the Moscow monorail transport system and in laboratory conditions are given. An overview of the best available technologies for noise protection in transport is presented. The measures of reducing the noise generated by monorail current collection devices are proposed.
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22

Pytlik, Andrzej. "Tests of steel arch and rock bolt support resistance to static and dynamic loading induced by suspended monorail transportation." Studia Geotechnica et Mechanica 41, no. 2 (June 28, 2019): 81–92. http://dx.doi.org/10.2478/sgem-2019-0009.

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AbstractAt present, the suspended monorail systems constitute a very common means of transportation in the Polish hard coal mines. The main advantages of the suspended monorail include the independence of the route from the working floor surface irregularities and the possibility to transport cargo of significant mass and size.The masses and dimensions of machines and devices transported via monorail have increased considerably in recent times. This particularly concerns the transport of longwall system elements. In Poland, the maximum speed of suspended monorail travel is 2 m/s. Due to the fact that preparations are currently underway to increase the maximum speed above 2 m/s, it is necessary to inspect what influence it will have on work safety and mining support stability.Current operational experience and tests have shown that dynamic loads induced by the suspended monorail transportation have a significant influence on the roadway support stability, working protection durability and on the monorail operators. This is particularly true during the emergency braking of a suspended monorail by means of a braking trolley, where the overloads reach 3g.Bench tests of the selected steel arch and rock bolt support elements utilised in the Polish hard coal mines were conducted in order to determine the resistance of steel arch and rock bolt supports to static and dynamic loads.The article presents the results of the tests conducted on a steel arch support in the form of the sliding joints of an ŁP/V29 yielding roadway support, which is commonly employed in the Polish hard coal mines. Tests of elements of the threaded bolts with trapezoidal threads over the entire rod length were conducted as well.The conducted strength tests of steel arch and rock bolt support elements under static and dynamic loading have shown that dynamic loading has decisive influence on the support’s retaining of its stability. Support element stability decreases along with the increase of the impact velocity. This concerns both the steel arch support and the rock bolt support.
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23

XIN, Liang, Zixue DU, Junchao ZHOU, Zhen YANG, and Zhouzhou XU. "Study on Dynamic Response of Straddle-Type Monorail Vehicle with Single-Axle Bogie Under Curve Condition." Mechanics 27, no. 2 (April 15, 2021): 122–29. http://dx.doi.org/10.5755/j02.mech.25319.

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This paper is concerned with the dynamic response of straddle-monorail with single-axle bogie under curve condition. A 15 degrees-of-freedom(DOF) dynamic model is established for straddle-type monorail vehicle with single-axle bogie, which consists driving wheels, steering wheels and stabilizing wheels. The motion equations of the straddle-type monorail vehicle are derived using the Lagrange's equation, and the wheel-rail contact model and the curving track beam model are created. Compared with the test results, the accuracy of the method is verified. Finally, the influence of curve radius, curve superelevation rate, number of passengers and stiffness of driving wheels on dynamic response is discussed.
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Hamurcu, Mustafa, and Tamer Eren. "An Application of Multicriteria Decision-making for the Evaluation of Alternative Monorail Routes." Mathematics 7, no. 1 (December 24, 2018): 16. http://dx.doi.org/10.3390/math7010016.

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Urban transportation planning is important for a metropolitan city. Route selection, which is among the decisions of urban transportation planning, is also important in terms of developing the urban transportation. This study contains the route selection for the planned monorail transport system that is a new system in Ankara. The most suitable monorail route was selected among the determined eight alternative monorail routes. In this decision process, we used the Analytic Network Process (ANP) and Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) method, which is one of the multi-criteria decision-making methods. Finally, we provided the most suitable ranking and planning with the selection process for the development of urban transportation.
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Koper-Olecka, Emilia. "Monorail transport system concept for Smart City of CPK." WUT Journal of Transportation Engineering 131 (December 1, 2020): 31–44. http://dx.doi.org/10.5604/01.3001.0014.7822.

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The article refers to selected challenges related to the need to ensure passenger transfer in the Smart City area in the context of the planned development of the Solidarity Transport Hub (CPK). The authors present the concept of using the modern public transport solution Innovia Monorail 300 as a potential automatic transport system for Smart City. The elaboration presents Bombardier's product - Innovia Monorail 300 system, its characteristics, aspects relevant for development, and its components. The article proposes the monorail line structure, analyzes the transport needs and capacities, presents traffic organization rules, and points out other aspects important from the system planning point of view. The legal status for the approval of the system in Polish conditions is briefly outlined.
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Ryabko, K. A., and V. O. Gutarevich. "Substantiation of performance indicators of mine monorail locomotives." Gornye nauki i tekhnologii = Mining Science and Technology (Russia) 6, no. 2 (July 14, 2021): 136–43. http://dx.doi.org/10.17073/2500-0632-2021-2-136-143.

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Mine transport is an integral part of mining process. The performed analysis of modern monorail autonomous locomotives indicates that this type of underground auxiliary transport is the most promising today due to a number of advantages that were identified in this study. To assess performance indicators of mine monorail locomotives, a number of characteristics are currently used, for instance, the dependences between several parameters of propulsion system operation. The type of characteristic is determined by an independent variable to be selected from the list of the operational or design parameters. To substantiate performance indicators of autonomous mine suspended monorail locomotives, the authors proposed the relationship between the characteristics of the traction energy chain equipment and the diesel locomotive propulsion system efficiency factor. To assess the efficiency of mine suspended monorail locomotive operation, a composite indicator for assessing efficiency of various types of traction was proposed: the operational efficiency factor. This indicator takes into account varying the efficiency factor of the energy chain units depending on their operating modes. When determining the functional dependencies of varying the efficiency factor of power and auxiliary units of monorail locomotives, a grouping of the main parameters according to the features depending on the economic characteristics of the propulsion system and its operating modes was proposed. The operational efficiency factor of the locomotive as a whole is determined both by the economic characteristics of all units of its energy chain and by the modes of their operation.
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Subarmono, Muhammad Arif Wibisono, and Tengku Iqbal Pujawira. "Light Monorail Body Carriage Design." Applied Mechanics and Materials 842 (June 2016): 259–65. http://dx.doi.org/10.4028/www.scientific.net/amm.842.259.

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One of many solutions that can be applied to solve the transportation problems in Yogyakarta is by adding another mass transportation system which is eco friendly, ergonomic, and does not cause congestion and accident in the highway. There are several kinds of mass transportation that can be developed in Yogyakarta, such as monorail, tram, even commmuter line. But considered from the various advantages and disadvantages, the monorail is an additional mode of transport that is most suitable for Yogyakarta, because its railways are not become one with the road like a tram that may caused another negative impact. The main orientation of this design is to make a monorail body carriage. In designing this monorail body carriage, the conditions of design follows the model and carriage capacity that applied by urbanout with the operating condition data including the size of the carriages, passenger capacity, speed of the train, and the wheel base distance. Aluminum alloy 6061 material is used in the design of the carriage frame. And then the forces working on the carriage is calculated. The magnitude of the forces working on the carriage must be able to be endured by the frame. Data from the design then simulated with static load simulation using Autodesk Inventor 2012 software. From the analysis results will be seen whether the design of the carriage frame structure has been made safe. The size of the carriage is 8800mm x 2350mm x 3100mm for the front and rear car and 6700mm x 2350mm x 3100mm for the middle car. The results showed that the structure of the carriage from urbanout model with frame made of aluminum alloy 6061 is strong enough and suitable for use in light monorail vehicle. With the smallest safety factor by 4.56.
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Zhang, Nai Biao, Xun Pang, and Xin Lei Zhou. "Control System Design on Rope Haulage Monorail Transport System Using Frequency Conversion." Applied Mechanics and Materials 678 (October 2014): 333–37. http://dx.doi.org/10.4028/www.scientific.net/amm.678.333.

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The rope haulage monorail transport system is an important kind of subsidiary transport system in the underground mine. We propose a control system using frequency conversion on rope haulage monorail transport system in this paper, which consists of PLC control console, AC inverter, speed sensor, over-wind protection switch, sound-light alarm, leakage monitoring device, etc. Our control system can realize the start-stop control, the forward and backward control, the frequency conversion control, the over-wind protection, and so on. This control system can also real-timely detect and display the status information of transport system. The field experiments have showed that our control system using frequency conversion can well satisfy the needs of automatic operation of rope haulage monorail transport system.
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29

Zhang, Yue Min, and Yu Qing Wang. "The Dynamic Model of the Hoisting Monitoring Robot Using in Underground Coal Mine." Advanced Materials Research 1027 (October 2014): 282–85. http://dx.doi.org/10.4028/www.scientific.net/amr.1027.282.

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In this paper, regarding the monitoring robot body as the research object, the dynamic model of the monitoring robot hoisted on the monorail electric vehicle has been established with surface defects of I-steel rails as exciting forces. In this model, the contact stiffness and damping between the monorail electric vehicle’s wheels and rails have replaced with equivalent stiffness and equivalent damping.
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30

Jiang, Yongzhi, Pingbo Wu, Jing Zeng, Lai Wei, Kaikai Lv, Yunchang Zhang, and Xinliang Dai. "Detection and alleviation of the abnormal vibration of the monorail based on experiment and simulation." Journal of Low Frequency Noise, Vibration and Active Control 38, no. 2 (February 14, 2019): 282–95. http://dx.doi.org/10.1177/1461348419825605.

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Wheel out of round, which has a significant influence on the ride comfort of vehicles, is very difficult to detect, especially for vehicles with rubber tires like a monorail. The prominent feature of wheel eccentricity caused by wheel out of round is that there will be a dominant frequency of the vehicle acceleration that varies with the speed of the vehicle, while the wavelengthes are all equal to the wheel circumference. By studying the experimental results of Chongqing straddle monorail, an indirect detection method of the wheel out of round is put forward. Then a simulation model of the monorail vehicle under the influence of the wheel out of round is established. The numerical analysis and experimental results lead to that the main reason for the abnormal vibration of the vehicle is the wheel out of round. Through the analysis of the vertical dynamic equation of the monorail system, all other factors that may affect the dominant frequency of vehicle vibration are analyzed. Finally, it is concluded this abnormal vibration caused by wheel out of round can only be reduced by increasing the vertical stiffness of the air spring and car body mass other than changing wheels.
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31

Ritdumrongkul, Sopon, Worapatt Ritthichauy, Knut Hj Nielsen, and Hideya Omi. "Design of Palm Jumeirah Monorail." IABSE Symposium Report 96, no. 16 (January 1, 2009): 37–43. http://dx.doi.org/10.2749/222137809796068037.

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32

Barrow, Lloyd H., Rebecca Litherland, Sunita Bajpai, and Debbie Forester. "Problem Solving on a Monorail." Science Activities: Classroom Projects and Curriculum Ideas 31, no. 3 (September 1994): 37–38. http://dx.doi.org/10.1080/00368121.1994.10113148.

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33

Trahair, N. S. "Lateral buckling of monorail beams." Engineering Structures 30, no. 11 (November 2008): 3213–18. http://dx.doi.org/10.1016/j.engstruct.2008.05.001.

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34

Si, Xue Tong, Ke Jian Chen, and Wen Hua Guo. "Capturing Riding Characteristics of Double-Deck Bridges under Multi-Lane Moving Vehicles." Applied Mechanics and Materials 587-589 (July 2014): 1569–76. http://dx.doi.org/10.4028/www.scientific.net/amm.587-589.1569.

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This paper investigates the characteristics of riding comfort of double-deck bridges under multi-lane moving vehicles based on a framework for spatial dynamic analysis of double-deck bridges carrying both road vehicles and monorail trains taking into account road surface roughness and both vertical and lateral track irregularities. The bridge is modelled by finite elements with proper boundary conditions. And the road vehicle is modelled as a mass-spring-damper system with 7 degrees of freedom (DOFs) while that of the monorail train has 15 DOFs. Then holistic bridge-vehicle interaction system was assembled using a fully computerized approach and solved by direct integration method. The riding characteristics of an authentic long-span bridge carrying both road vehicles and monorail trains are investigated in details as per ISO 2631.
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35

Tarasov, V. M., G. D. Buyalich, D. V. Tarasov, A. E. Eflov, and N. I. Tarasova. "INFLUENCE OF MONORAIL TRANSPORT CARGOMOVING METHOD ON THE WORK OF MONORAIL SUSPENSIONS AND THEIR ROLLER BEARINGS IN MONORAIL CARRIAGES. DETERMINATION OF HERTZIAN PRESSURE." Bulletin of Research Center for Safety in Coal Industry (Industial Safety), no. 2 (June 23, 2017): 82–90. http://dx.doi.org/10.26631/arc0000011.

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36

Tarasov, V. M., G. D. Buyalich, D. V. Tarasov, A. E. Eflov, and N. I. Tarasova. "INFLUENCE OF MONORAIL TRANSPORT CARGOMOVING METHOD ON THE WORK OF MONORAIL SUSPENSIONS AND THEIR ROLLER BEARINGS IN MONORAIL CARRIAGES. DETERMINATION OF HERTZIAN PRESSURE." Bulletin of Research Center for Safety in Coal Industry (Industial Safety), no. 2 (June 23, 2017): 82–90. http://dx.doi.org/10.26631/arc2-2017-82-90.

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37

Du, Zi Xue, Zhi Hua Liang, and Xiao Xia Wen. "The Impact of Suspension Stiffness Parameters on the Curve through Performance of Straddle Type Monorail Vehicle Based on Sensitivity Analysis." Applied Mechanics and Materials 470 (December 2013): 563–66. http://dx.doi.org/10.4028/www.scientific.net/amm.470.563.

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The curve through performance of straddle type monorail vehicle include performance-oriented, preventing derailment stability, preventing vehicle overturning stability, tire wear performance, which are evaluated by oriented torque, the minimum vertical force of horizontal wheels, vehicle body roll angle, overturning coefficient, the sum of tire forces scalar. With the virtual simulation model in ADAMS, this paper analyzes the impact of the monorail vehicle suspension stiffness parameters on the evaluation indexes by sensitivity analysis.
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38

XIN, Liang. "ANFIS-PID Control of Active Suspension for the Full-Scale Straddle Monorail Model." Mechanics 26, no. 4 (September 15, 2020): 311–17. http://dx.doi.org/10.5755/j01.mech.26.4.24286.

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In order to improve the ride comfort straddle-type monorail, based on the full-scale straddle-type monorail model with 38-DOF, combined with the modular control thought and adaptive neural fuzzy inference system(ANFIS) control theory, the ANFIS-PID controller is designed, in which the vertical vibration velocity and acceleration, pitching angular velocity and angular acceleration, rolling angular velocity and angular acceleration are taken as inputs and the actuator force of active suspension as outputs. The results show that compared with existing passive suspension, the root mean squared values(RMS) of vertical acceleration, pitching angular acceleration and rolling angular acceleration of active suspension is significantly reduced, respectively. And the vibration amplitude below 10Hz frequency range is suppressed, which is the human sensitivity frequency. Active suspension controlled by ANFIS-PID can be used as a way to improve the ride comfort of straddle monorail vehicles.
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39

Bao, Yulong, Huoyue Xiang, and Yongle Li. "A dynamic analysis scheme for the suspended monorail vehicle–curved bridge coupling system." Advances in Structural Engineering 23, no. 8 (January 20, 2020): 1728–38. http://dx.doi.org/10.1177/1369433219900302.

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Based on the rigid–flexible coupling method, an original scheme for the dynamic analysis of the vehicle–bridge interaction between suspended monorail trains and horizontally curved bridges is proposed. Considering the compression deformation and contact model of walking tire and guiding tire, the geometric and mechanical coupling relationships between vehicle and bridge are studied, and the dynamic equations of suspended monorail vehicle–bridge interaction are derived. A vehicle–curved bridge coupling vibration system is established according to transformable relationship between the local coordinate system and the global coordinate system in SIMPACK. Considering a curved bridge under passage of suspended monorail vehicles as an example, the influences of critical system parameters, such as the superelevation, vehicle speed, and bridge curve radius, on the dynamic responses of vehicles and the curved bridge are explored. It is shown that the direction of the yawing moment of the front bogie is in accordance with the turning direction of the vehicle, while the yawing moment of the rear bogie is in the opposite direction. The superelevation has great influence on the lateral guiding force and vertical walking force of vehicle, and vehicle speed is a key factor to the running safety of suspended monorail vehicle. In addition, the curve negotiation ability of vehicle is better with the increase in bridge curve radius.
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40

Tu, Wei Wei, and Han Li. "Friction Type Monorail Crane Driving Design and Analysis Based on ANSYS." Applied Mechanics and Materials 556-562 (May 2014): 1096–99. http://dx.doi.org/10.4028/www.scientific.net/amm.556-562.1096.

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This research is focused on Friction Type Monorail Crane Driving,using Solidworks software to establish three-dimensional model.Based on Ansys finite element analysis was introduced, the intensity and the structure optimization design. Monorail friction drive device is given in the stress analysis of different cross section.According to the result of the figure analyzes the stress of different locations will effect the performance of the drive.Provides a theoretical reference For optimizing the structure of improving driving devices and improving the performance of drive device.
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41

GUTAREVICH, Viktor, and Marina KONDRATENKO. "DYNAMICS OF TRACTION DEVICE OF MINE SUSPENDED MONOREL ROAD." Sustainable Development of Mountain Territories 12, no. 3 (September 30, 2020): 410–17. http://dx.doi.org/10.21177/1998-4502-2020-12-3-410-417.

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During the operation of the mine suspension monorail track and traction device form a mechanical system experiencing high dynamic loads associated with implementation of traction and braking forces. Emerging dynamic loads lead to formation of elastic deformations and oscillations that cause vibrations, which leads to displacement of drive wheels and reduces the implementation of traction. The study of the dynamics of traction device is an important step in improving safety and reliability of monorail transport. The aim of the work is to study dynamics of a friction-type traction device moving along a suspended monorail to assess influence of parameters of the elements of device on the vibrations and nature of interaction of drive wheels with monorail. Research methods. Mathematical modeling of the oscillatory processes resulting from interaction of the running gear of the traction device with the monorail is used. Stages of research include drawing up a design diagram oscillations of drive wheels of the traction device interacting with the monorail, developing a mathematical model for the analysis of vibrations caused by moving loads, also assessing the influence of structural parameters of mechanical system under consideration on nature of oscillations. Research results. The developed mathematical model of friction-type traction device movement allows us to establish relationship between parameters of structural elements of its running gear and pressure mechanism, as well as nature of vibrations that arise. As a result, frequencies of the mechanical system under consideration and maximum deviations were found, which allows you to set optimal device parameters to increase traction and increase lifespan of monorail suspended roads. Findings. It was determined that the frequency range of vibration of drive wheels mainly corresponds to the mid-frequency local vibrations of 16–36 Hz. Increasing length of lever for fixing axles of wheels and reducing their radius leads to formation of low-frequency vibrations with a frequency of less than 15 Hz. When length of lever of drive wheels is more than 0.5 m, shoulder of the spring is more than 0.6 m and radius of drive wheels is less than 0.25 m, vibrations with frequencies below 5 Hz can occur. It was found that increasing the length of lever for securing spring increases the oscillation frequency of one drive wheel and reduces frequency of the other. The difference between these frequencies significantly affects changes in the pressure of the wheels against monorail. When difference between frequencies is more than 10–12 Hz, direction of load changes pulsed, with a maximum swing of 0.02 rad, which reduces formation of fatigue fractures of tire wheels, and moments of decrease and increase in pressing force have a negative effect on traction, leading to slippage of drive wheels. When difference between frequencies is less than 10–12 Hz, direction of the load changes sharply, with a maximum swing of 0.03 rad, which increases deformation and formation of fatigue fractures of tire wheels, and short moments of weakening and increase of pressing force, constituting 0.1–0.3 s does not have a significant negative effect on traction.
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42

Naeimi, Meysam, Meisam Tatari, and Amin Esmaeilzadeh. "Dynamics of the Monorail Train Subjected to the Braking on a Straight Guideway Bridge." Archive of Mechanical Engineering 62, no. 3 (September 1, 2015): 363–76. http://dx.doi.org/10.1515/meceng-2015-0021.

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Abstract A finite element (FE) model of the straight guideway bridge under monorail train has been built in this research in order to investigate dynamic interactions of the coupled system in the vertical and longitudinal direction. A limited length of the straddle monorail bridge including five continuous spans is modeled in three dimensions by using FE method. A 3D model of the monorail train system, built in the multibody analyzer MSC ADAMS, is assembled over the bridge. The entire model, consisting of the vehicle and bridge subsystems, is numerically analyzed by performing dynamic simulation in time domain. The braking forces between the train tires and guideway beams are activated in the analysis, in addition to the dead weights of the components and the train live loads. Dynamic forces in the tires are obtained for the case of the emergency braking in the system. The reaction forces, appeared in the bridge piers, are reported as the input forces for the purpose of the bridge design.
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43

Zixue, Du, Zhou Junchao, Yang Zhen, and Xu Zhouzhou. "Curving Performance of Straddle-Type Monorail Vehicle with Single-Axle Bogies Based on Spatial Multi-Body Dynamic Analysis." Mechanics 27, no. 2 (April 15, 2021): 148–54. http://dx.doi.org/10.5755/j02.mech.22930.

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Straddle-type monorail ,as a unique technology, energy saving and environmental protection, is different from the subway of urban rail transit system. In order to study the curving performance of a new type of the straddle-type monorail vehicle with single-axle bogies ,the three-dimensional spatial dynamics model which consists of the vehicle model and track model designis proposed by the multi-body dynamics soft ADAMS. The monorail vehicle dynamic model which consists of three types of tire -track contact model and the nonlinear model of the horizontal stop is established. Based on the dynamic model, the influences such as pre pressure and curve super-high rate parameters of the curve passing for the dynamic characteristics are discussed. The simulation results show that the suitable preload for the guide and stabilizer tires of straddle-type vehicle with single-axle bogies is 5KN and after selecting the appropriate pre-pressure, the super-high rate is recommended to be 8%-10%.
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44

Li, Teng, Eryu Zhu, and Haoran Liu. "Life cycle carbon emission of monorail transit and its comparison in operation stage with other city transit modes." E3S Web of Conferences 272 (2021): 01013. http://dx.doi.org/10.1051/e3sconf/202127201013.

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In this paper, carbon emissions of a monorail transit are calculated using the method of whole life cycle, which can be divided into four stages: material manufacturing stage, construction stage, operation stage and demolition stage. In the operation phase, the units are PKT (Passenger Kilometers Travelled) and VKT (Vehicle Kilometers Travelled), while in other three stages, the unit is 1 km. The results show that the carbon emissions from the 1km length monorail are 6271.204 tons. In addition, in the operation stage, it is found that the PKT index and VKT index of Chongqing monorail transportation are 0.07468 and 3.31933 respectively, far lower than those of subways in the same city. For PKT indicators of other rail transits, from small to large, they are light rail, tram, subway, APM and maglev. As for VKT indicators, from small to large, they are tram, light rail, subway, APM and maglev. The PKT index of Beijing subway is the lowest compared with that of other cities.
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45

ORTOLANO, GUY. "PLANNING THE URBAN FUTURE IN 1960s BRITAIN." Historical Journal 54, no. 2 (May 11, 2011): 477–507. http://dx.doi.org/10.1017/s0018246x11000100.

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ABSTRACTThis article recovers Buckinghamshire county council's proposal to build a monorail city for 250,000 residents during the 1960s. The project was eventually taken over by Whitehall, which proceeded to establish Britain's largest new town of Milton Keynes instead, but from 1962 to 1968 local officials pursued their monorail metropolis. By telling the story of ‘North Bucks New City’, the article develops a series of claims. First, the proposal should be understood not as the eccentric creation of a single British county, but rather as one iteration of larger state efforts to manage the densities and distributions of growing populations. Second, while the 1960s witnessed the automobile's decisive triumph as a means of personal mobility in Britain, that very triumph ironically generated critiques of the car and quests for alternatives. Third, the monorail was part of a complex social vision that anticipated – and, in part through the facilitation of recreational shopping, sought to alleviate – a crisis of delinquency expected to result from a world of automation and affluence. Fourth, despite its ‘futuristic’ monorail, the plan ultimately represented an effort by experts and the state to manage social change along congenial lines. Fifth, the proposal advanced a nationalist urbanism, promising renewed global stature for post-imperial Britain by building upon its long urban history. Finally, the article concludes by arguing that this unrealized vision points to the limitations of ‘modernism’ in the history of urban planning, and to the problems of teleology in the history of the 1960s.
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46

Pinter, Judit Maria, and Attila Trohák. "System Integration Methods for Voice-Commanded PLC Controlled Systems." Applied Mechanics and Materials 309 (February 2013): 280–85. http://dx.doi.org/10.4028/www.scientific.net/amm.309.280.

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In our paper we introduce a part of our research where we develop a voice-commanded operator surface which can help to improve the efficiency of the operators work. We want to integrate a voice recognition software module to the control system of a monorail. In the paper we will examine the speech recognizer module and the possibilities of integration to the PLC system of the monorail. The integration can be done via serial communication, via Ethernet or via OPC using a SCADA system. Our aim is to create a reliable and cost-effective system.
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47

Seitz, Peter, and Azhan Effendy Ariffin. "Kuala Lumpur Monorail Line Fleet Extension." IABSE Symposium Report 101, no. 1 (September 1, 2013): 1–9. http://dx.doi.org/10.2749/222137813815776278.

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48

Secor, Arthur. "Tooling system for monorail finishing conveyors." Metal Finishing 101, no. 2 (February 2003): 68–69. http://dx.doi.org/10.1016/s0026-0576(03)90023-7.

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49

Bednarek, Dominik. "Construction methodology of straddle monorail guideway." Transportation Overview - Przeglad Komunikacyjny 2017, no. 7 (July 1, 2017): 52–61. http://dx.doi.org/10.35117/a_eng_17_07_06.

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The article describes important issues of prefabrication process of monorail guideway beam, i.e. achieving expected geometry parameters and surface roughness. In the main part, the author characterizes construction method of the most common guideway type focusing on problems connected with transport and assembly of precast beams. Transportation vehicle and tools used for installation of curved beams are described. Afterwards, the author describes problems connected with integration of guideway frame and complex force combination at frame joints. The author finished the description with a short conclusion.
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50

Kog, Yue Choong. "Appraisal of a Demolished Monorail System." Journal of Performance of Constructed Facilities 30, no. 6 (December 2016): 04016038. http://dx.doi.org/10.1061/(asce)cf.1943-5509.0000889.

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