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Clarification of the critical coefficient of longitudinal wheel sliding according to the results of modern research 根据现代研究成果明确车轮纵向滑动的临界系数
Truck Pub Date : 2023-11-01 DOI: 10.36652/1684-1298-2023-11-18-22
{"title":"Clarification of the critical coefficient of longitudinal wheel sliding according to the results of modern research","authors":"","doi":"10.36652/1684-1298-2023-11-18-22","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-11-18-22","url":null,"abstract":"The article analyzes the experimental φx–sx-diagrams obtained by different authors. The average critical coefficient of longitudinal wheel sliding for different road surfaces are obtained. Keywords: automotive tire, friction coefficient in the longitudinal direction, the coefficient of longitudinal wheel sliding","PeriodicalId":412294,"journal":{"name":"Truck","volume":"18 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139292994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Optimization of location and capacity of the system of road construction machinery centers in Vietnam 优化越南筑路机械中心系统的位置和能力
Truck Pub Date : 2023-11-01 DOI: 10.36652/1684-1298-2023-11-30-36
{"title":"Optimization of location and capacity of the system of road construction machinery centers in Vietnam","authors":"","doi":"10.36652/1684-1298-2023-11-30-36","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-11-30-36","url":null,"abstract":"The article deals with the problem of optimizing the system of centers for ensuring the performance of road construction machines in Vietnam. In order to improve quality and meet maintenance and repair needs, a systematic approach is needed for the entire fleet of road construction machines in Vietnam. Three variants of the structure of the system for ensuring the operability of road construction equipment in Vietnam are considered, taking into account the possibility of cooperation with construction enterprises. For the proposed variants of the structure, a mathematical model was developed based on the transport problem of optimizing the placement and capacity of centers for ensuring the performance of road construction machines and industrial and technical construction enterprises on the basis of cooperation. A technique for solving the problem using the simulation annealing method is proposed. As a result of optimization, two options for the location and capacity of the system of centers for ensuring the performance of road construction machines were obtained. Keywords: road construction machines, operability, placement optimization, annealing simulation, maintenance, repair","PeriodicalId":412294,"journal":{"name":"Truck","volume":"70 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139300456","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The results of the influence of prepared diesel on the fuel and economic indicators of internal combustion engines 配制柴油对内燃机燃料和经济指标的影响结果
Truck Pub Date : 2023-11-01 DOI: 10.36652/1684-1298-2023-11-8-12
{"title":"The results of the influence of prepared diesel on the fuel and economic indicators of internal combustion engines","authors":"","doi":"10.36652/1684-1298-2023-11-8-12","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-11-8-12","url":null,"abstract":"The article analyzes the existing methods and devices for reducing the fuel consumption of the internal combustion engine. The design of an additional device installed in the standard internal combustion engine power system, the cavitation principle of operation, is proposed. Comparative results of experimental tests of this device on a bench installation with a diesel internal combustion engine for fuel-economic and environmental properties of the internal combustion engine, as well as changes in the physicochemical properties of diesel fuel of various brands after its treatment by the device are presented. The most effective parameters of the cavitation device for processing diesel fuel and its place of installation in the standard internal combustion engine power system are determined. Keywords: fuel preparation device, cavitation device, reduction of fuel consumption, ways to reduce fuel consumption, fueleconomic properties of internal combustion engines, environmental properties of diesel internal combustion engines, properties of diesel fuel,","PeriodicalId":412294,"journal":{"name":"Truck","volume":"8 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139295136","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evaluation of the characteristics of the electric bus battery 评估电动巴士电池的特性
Truck Pub Date : 2023-11-01 DOI: 10.36652/1684-1298-2023-11-3-7
{"title":"Evaluation of the characteristics of the electric bus battery","authors":"","doi":"10.36652/1684-1298-2023-11-3-7","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-11-3-7","url":null,"abstract":"This article provides battery parameters that should be considered when choosing a battery for a specific application. The correct choice of battery is very important at the stage of vehicle development, because batteries that are not selected properly can cause operational problems associated with a lack of power, energy and accelerated degradation processes. The battery selection method should take into account the aforementioned features and performance characteristics of the vehicle. The article describes methods for obtaining such characteristics with their assessment using the example of selecting a battery for a vehicle. Keywords: climate control, vehicle, electric heating, heat balance","PeriodicalId":412294,"journal":{"name":"Truck","volume":"83 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139293348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
State efficiency estimation method in the road and transport environment according to the criterion of "zero death" 以 "零死亡 "为标准的道路交通环境状态效率评估方法
Truck Pub Date : 2023-11-01 DOI: 10.36652/1684-1298-2023-11-37-42
{"title":"State efficiency estimation method in the road and transport environment according to the criterion of \"zero death\"","authors":"","doi":"10.36652/1684-1298-2023-11-37-42","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-11-37-42","url":null,"abstract":"Considered in the article, the method for assessing the effectiveness of conditions in the road transport environment according to the criterion of \"zero mortality\" in road accidents is aimed at developing an effective approach and targeted actions in the field of ensuring road safety in road transport. The necessity of a systematic approach to ensure the audit of places of concentration of road accidents is substantiated. A conceptual model of an information system and the fact of an accident event as a mass event in a complex road and transport environment has been developed, which includes interacting connections of subsystems, factors of an emergency situation, the causes of an accident in the system \"road user—vehicle—road—environment\". An information system has been developed to reduce the impact of negative factors in the occurrence of road accidents in DTS. Combinations of possible variants of RTA and mutually exclusive properties of the information states of the environment are determined. Keywords: road safety, systems approach, complex system, zero mortality, traffic accident","PeriodicalId":412294,"journal":{"name":"Truck","volume":"59 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139293103","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Maintaining safety in the new urban mobility 维护新型城市交通的安全
Truck Pub Date : 2023-11-01 DOI: 10.36652/1684-1298-2023-11-43-48
{"title":"Maintaining safety in the new urban mobility","authors":"","doi":"10.36652/1684-1298-2023-11-43-48","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-11-43-48","url":null,"abstract":"Ensuring the protection of any city is the protection of citizens from various influences. In relation to vehicles (TC), hazardous effects are the consequences of road accidents, environmental pollution, increased noise and vibration. In large metropolitan areas, new categories of vehicles have appeared, their safety is closed in the article. Keywords: safety, means of individual mobility, MIM, electric scooter, mobility, unicycle, compact transport, CoT","PeriodicalId":412294,"journal":{"name":"Truck","volume":"287 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139296106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Assessment of the technical level of installations horizontal directional drilling 水平定向钻井装置技术水平评估
Truck Pub Date : 2023-11-01 DOI: 10.36652/1684-1298-2023-11-13-17
{"title":"Assessment of the technical level of installations horizontal directional drilling","authors":"","doi":"10.36652/1684-1298-2023-11-13-17","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-11-13-17","url":null,"abstract":"The article considers the concept of the technical level (TL) of engineering products, the regulatory and technical foundations and the need to assess the TS at each stage of the machine’s life cycle. The fundamentals of horizontal directional drilling (HDD) technology work are considered. The review and classification of modern HDD installations depending on the technical parameters of the equipment is given. The results of an expert assessment of the indicators of the significance of HDD equipment parameters are presented. Calculations of specifications TL for the presented equipment were carried out. The results of the study are presented in graphical form. The article is published based on the results of the research work carried out as part of the competition for grants for the implementation of research work by scientific and pedagogical workers SPbGASU in 2023. Keywords: technical level, technique, horizontal directional drilling, efficiency, parameter","PeriodicalId":412294,"journal":{"name":"Truck","volume":"48 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139301453","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
On the issue of evaluating the effectiveness of the anti-slip profile of machine structures 关于评估机器结构防滑效果的问题
Truck Pub Date : 2023-11-01 DOI: 10.36652/1684-1298-2023-11-49-55
M.V. Harlov
{"title":"On the issue of evaluating the effectiveness of the anti-slip profile of machine structures","authors":"M.V. Harlov","doi":"10.36652/1684-1298-2023-11-49-55","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-11-49-55","url":null,"abstract":"Profiles with anti-slip grooves can be used for the design and modernization of machines, but the magnitude of the anti-slip effect for such profiles has not yet been fully studied. At the same time, among the causes of injuries to transport passengers, slipping on bearing contact surfaces is not uncommon. The existing scientific literature gives some idea of the factors influencing tribocontact with the macro-dimensions of surfaces. This served as the basis for the mathematical description in the article of the factorial effect on the anti-slip efficiency of the grooved profile. For this purpose, two indicators were identified that take into account the influence of the shape and number of profile irregularities. With the help of modeling tribocontact with profiles of different corrugation in the SolidWorks Motion environment, calculated values of the maximum static friction force were obtained. These values were compared with the calculated values of performance indicators, as a result of which a conclusion was made about the adequacy of the mathematical description of the factors. Keywords: machine structures, grooved profile, anti-slip surface properties, anti-slip efficiency, tribocontact, coefficient of friction, macro-dimensions","PeriodicalId":412294,"journal":{"name":"Truck","volume":"44 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139296387","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative assessment of the load of undercarriage drives of frame and articulated dump trucks 框架式和铰接式倾卸卡车底盘驱动装置负载的比较评估
Truck Pub Date : 2023-10-01 DOI: 10.36652/1684-1298-2023-10-9-15
{"title":"Comparative assessment of the load of undercarriage drives of frame and articulated dump trucks","authors":"","doi":"10.36652/1684-1298-2023-10-9-15","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-10-9-15","url":null,"abstract":"The article analyzes the possibility of creating domestic samples of building articulated dump trucks with a high degree of unification with mass-produced Russian-made heavy vehicles. It is noted that, taking into account the design and layout features of articulated machines, the unification may concern, first of all, transmission units and assemblies. The method and results of a comparative assessment of kinematic mismatches in the movement of the wheels of the blocked circuits of their drive and the magnitude of the circulating moments that occur in the closed circuits of their transmissions are presented. The study confirmed the possibility of using the structural elements of the wheel drive of domestic serial heavy-duty vehicles when creating articulated vehicles of identical load capacity under the conditions of implementing a differential connection between the front axle and the rear bogie, as well as using a balancing suspension of the rear bogie wheels. Keywords: road construction, dump truck, kinematic mismatch, circulating moment, transmission load","PeriodicalId":412294,"journal":{"name":"Truck","volume":"4 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139326305","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
To the analysis of the efficiency of pneumatic bus suspensions on the basis of Ural all-wheel vehicle 以乌拉尔全轮汽车为基础分析气动客车悬架的效率
Truck Pub Date : 2023-10-01 DOI: 10.36652/1684-1298-2023-10-3-8
{"title":"To the analysis of the efficiency of pneumatic bus suspensions on the basis of Ural all-wheel vehicle","authors":"","doi":"10.36652/1684-1298-2023-10-3-8","DOIUrl":"https://doi.org/10.36652/1684-1298-2023-10-3-8","url":null,"abstract":"This paper presents the results of sea trials of a prototype bus designed for use in the Far North. The bus was developed on the basis of the Ural all-wheel drive vehicle. The tests were carried out in order to verify the effectiveness of the use of the pneumatic suspension system \"with an opposite arrangement of longitudinal guide levers\" to reduce the level of vibrations in the passenger compartment and in the driver’s seat in conditions of long-term traffic on roads of 4—5 categories. Keywords: bus, air suspension, tests, sensors, suspension arms, vibration level. Keywords: bus, air suspension, tests, sensors, suspension arms, vibration level","PeriodicalId":412294,"journal":{"name":"Truck","volume":"166 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2023-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139326894","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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