Progress in Automotive Transmission Technology

Xu, Xiangyang; Dong, Peng; Liu, Yanfang; Zhang, Hui

doi:10.1007/s42154-018-0031-y

Cited by 68 publications

(28 citation statements)

References 131 publications

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“…Based on the algorithm for processing and representing the angular velocities as well as the angular accelerations and decelerations [ 1 , 28 , 29 , 30 ], the corresponding values are calculated for each stage of the gearbox and for each test separately ( Table 4 ).…”

Section: Experimental Methods Used To Determine the Mass Moment Ofmentioning

confidence: 99%

Considerations for Determining the Coefficient of Inertia Masses for a Tracked Vehicle

Alexa

Coropeţchi

Vasile

et al. 2020

Sensors

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The purpose of the article is to present a point of view on determining the mass moment of inertia coefficient of a tracked vehicle. This coefficient is very useful to be able to estimate the performance of a tracked vehicle, including slips in the converter. Determining vehicle acceleration plays an important role in assessing vehicle mobility. Additionally, during the transition from the Hydroconverter to the hydro-clutch regime, these estimations become quite difficult due to the complexity of the propulsion aggregate (engine and hydrodynamic transmission) and rolling equipment. The algorithm for determining performance is focused on estimating acceleration performance. To validate the proposed model, tests were performed to determine the equivalent reduced moments of inertia at the drive wheel (gravitational method) and the main components (three-wire pendulum method). The dynamic performances determined during the starting process are necessary for the validation of the general model for simulating the longitudinal dynamics of the vehicle. Finally, the differential and algebraic equations of the virtual model approximate more accurately the actual process of the operation of the vehicle. The virtual model, through the data obtained from the simulation process, allows for the determination, indirectly, of the variation of the mass moment of inertia coefficient and its expression of approximation.

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Section: Experimental Methods Used To Determine the Mass Moment Ofmentioning

confidence: 99%

Considerations for Determining the Coefficient of Inertia Masses for a Tracked Vehicle

Alexa

Coropeţchi

Vasile

et al. 2020

Sensors

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“…In particular, we focus on mechanical transmissions, which are widespread systems in industry, from vehicles to renewable energy, and from machine tools to automation and robotics [30][31][32][33]. Many studies focus on transmission machines from multiple perspectives, such as manufacturing and finishing [34][35][36][37][38], or metrology and tolerances [30,[39][40][41], but only a few of them deal with their design knowledge management. The studied subsystems for mechanical transmissions are both designed and manufactured by a leader multinational corporation and are definitely defined mature products with stable technologies.…”

Section: Of 19mentioning

confidence: 99%

The Systematic Design of Industrial Products through Design Archetypes: An Application on Mechanical Transmissions

2020

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Engineering design is a knowledge intensive activity for both new and mature technical systems, such as mechanical transmissions. However, design knowledge is often transferred with conservative and unstructured approaches, although knowledge management would be of the utmost importance for modern industries. In this work, we introduce a design tool, called design archetype, for collecting and managing knowledge in systematic design processes. The design archetype addresses input design requirements for different design concepts, therefore, improving awareness of the design process by interactively modifying the design solution due to different input requirements. Finally, the design archetype updates the parameters of a first embodiment computer-aided design model of the concept. A method for the development of design archetypes is presented and applied to two case studies of mechanical transmission subassemblies. The results demonstrate the effectiveness of a systematic design method based on design archetypes stored in the company database.

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“…The powertrain system plays a key role in the transition process of vehicle electrification. For passenger cars, it is not necessary to have a complex multi-speed transmission like traditional vehicles using the internal combustion engine (ICE) because the electric motor (EM) can provide maximum torque from zero speed and has a wide high-efficiency range [1]. Compared with the fixed-ratio reduction gear used widely in electric vehicles (EVs), a 2-speed transmission can improve the overall efficiency and dynamic performance of EVs [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

A Novel Electric Dual Motor Transmission for Heavy Commercial Vehicles

Liang

Hao³

et al. 2021

Automot. Innov.

Self Cite

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As a vital vehicle part, the powertrain system is undergoing a fast transition towards electrification. The new integrated electric drive system has been widely used, especially for passenger cars. In this work, a novel electric dual motor transmission is proposed for heavy commercial vehicles. The transmission scheme is firstly introduced, which can achieve 9 different operating modes including 5 single motor modes and 4 dual motor modes. Then, the mode shift map with minimum energy consumption is designed based on the motor efficiency map and the proposed energy management strategy. The driving power is appropriately distributed between the two motors in dual motor modes under the condition of minimum power consumption. In addition, a coordinated control strategy is developed for mode shift control without power interruption. The results show that the electric dual motor transmission has advantages in power consumption and power shift ability compared with the conventional single motor automated manual transmission.

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Progress in Automotive Transmission Technology

Cited by 68 publications

References 131 publications

Considerations for Determining the Coefficient of Inertia Masses for a Tracked Vehicle

Considerations for Determining the Coefficient of Inertia Masses for a Tracked Vehicle

The Systematic Design of Industrial Products through Design Archetypes: An Application on Mechanical Transmissions

A Novel Electric Dual Motor Transmission for Heavy Commercial Vehicles

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