Development of a Novel Parallel Hybrid Transmission

Schultz, G.; Tsai, Lung-Wen; Higuchi, Naritomo; Tong, Ivan C.

doi:10.4271/2001-01-0875

Cited by 13 publications

(9 citation statements)

References 6 publications

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“…Each shift is classified according to the number of state changes, where the state change criteria are summarized in Table 2. 10…”

Section: System Architecturementioning

confidence: 99%

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Modeling and computer simulation of a novel hybrid transmission

Yan

2018

Proceedings of the Institution of Mechanical Engineers, Part D:

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This work presents the modeling and computer simulation of a novel hybrid transmission with a mechanical reverse driving mode, including an engine, a motor, a simple planetary gear train, and a Ravigneaux planetary gear train. Based on the given teeth number, the reduction ratios of all the clutching condition are acquired. The feasibilities of mode shifts among the clutching conditions are analyzed. Then, a modified rule-based control strategy is introduced. Subject to the vehicle condition, speed command, and predicted equivalent fuel consumptions, the most fuel economy clutching condition is selected by the control strategy. And, a computer model is developed using SIMULINK. Two popular driving cycles are applied to the simulation model, and the simulation results of the novel hybrid transmission are competitive with the existing hybrid electric vehicle models.

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“…Each shift is classified according to the number of state changes, where the state change criteria are summarized in Table 2. 10…”

Section: System Architecturementioning

confidence: 99%

“…Table 2. 10 For the mode shift with less than state change, it is the most feasible shift. For the mode shift with only two state changes, it is a feasible shift.…”

Section: System Architecturementioning

confidence: 99%

Modeling and computer simulation of a novel hybrid transmission

Yan

2018

Proceedings of the Institution of Mechanical Engineers, Part D:

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“…In the hybrid system proposed by Tsai as shown in Figure 4.21, the transmission includes one electric motor, two clutches, two planetary gear sets, and two locks [9,10]. The speed/torque relationships can be written in two conditions, that is, C1 engage or C2 engage.…”

Section: Tsai's Hybrid Transmissionmentioning

confidence: 99%

Advanced HEV Architectures and Dynamics of HEV Powertrain

Masrur

Gao

2011

Hybrid Electric Vehicles

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There are various hybrid powertrain architectures which are in use. The general goals of a hybrid transmission design are to realize the different operating modes of a hybrid vehicle system, such as the capability to run motor-alone mode, engine-alone mode, combined mode, power split mode, regenerative braking mode, and stationary charging operations. In addition, it is important to be able to control engine power and speed during hybrid operations so that better fuel economy and lower emissions can be achieved for all ranges of vehicle speeds and power demands. Lastly, the system design should be easy to implement and control, and bear low overall cost. This chapter discusses the principles of a few advanced hybrid electric powertrain architectures. These architectures include the popular GM two-mode hybrid and its variations, dual-clutch-based hybrid, Tsai's hybrid, Zhang's hybrid, Renault hybrid, and Timken hybrid.The steady state operating modes and torque/speed relationships are presented first. Then, the HEV powertrain dynamics will be briefly discussed for the Toyota hybrid transmission.Hybrid Electric Vehicles: Principles and Applications with Practical Perspectives, First Edition.

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“…The purpose is to reduce the so-called torque hole created during gear shifting events. This paper presents an improved design of a novel parallel hybrid transmission introduced by Tsai et al [13,14]. Similar to the previous design, the proposed HEV requires only one electric motor/generator and one engine.…”

Section: Introductionmentioning

confidence: 99%

A Motor-Integrated Parallel Hybrid Transmission

Tsai

Schultz

2004

Journal of Mechanical Design

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This paper presents a motor-integrated transmission mechanism for use in parallel hybrid electric vehicles. The transmission can provide five basic modes of operation that can be further classified into sixteen sub-modes: one electric motor mode, four engine modes, four engine/charge modes, three power modes, and four regenerative braking modes. Each of these sub-modes can be grouped into like clutching conditions, providing the functional appearance of a conventional 4-speed automatic transmission, with electric launch, engine-only, engine/charge, power-assist, and regeneration capability. CVT capability is provided with one of the engine/charge modes. The kinematics, static torque, and power flow relations for each mode are analyzed in detail. Finally, a notional control strategy is developed. The transmission can be incorporated not only in front-wheel drive but also in rear-wheel drive vehicles. The compactness, mechanical simplicity, and operational flexibility of the transmission make it an excellent candidate for future hybrid electric vehicles.2

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Development of a Novel Parallel Hybrid Transmission

Cited by 13 publications

References 6 publications

Modeling and computer simulation of a novel hybrid transmission

Modeling and computer simulation of a novel hybrid transmission

Advanced HEV Architectures and Dynamics of HEV Powertrain

A Motor-Integrated Parallel Hybrid Transmission

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