Fuzzy-PID Speed Control of Diesel Engine Based on Load Estimation

Di, Xiang; Huang, Ying; Ge, Yanwu; Li, Gang; Hu, Meiqi

doi:10.4271/2015-01-1627

Cited by 6 publications

(2 citation statements)

References 5 publications

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“…A new drivetrain scheme of a two-speed planetary gearbox and a one-way clutch can well match with the high-speed motor. A vehicle transmission transmits the rotating power of the energy source, whether an electric motor or an internal combustion engine (ICE), through a set of gears to a differential, the unit that spins the wheels [4][5][6]. Any vehicle, ICEs or electric vehicles, needs more torque than speed to propel the car from a dead stop, and more speed than torque once the vehicle already has forward momentum [7,8].…”

Section: Introductionmentioning

confidence: 99%

A Gear Form-Grinding Optimization Method Based on Neural Network

ZHU

GENG²

2023

International Journal of Automotive Science and Technology

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Since the contact line equation is a transcendental equation, the relationship between the installation angle and the shape could not be expressed by explicit functions, which made it difficult to obtain the optimal shape, this paper firstly took three evaluation parameters of the shape, overrun, shift and offset as the objective function as well as the installation angle as variables the contact line optimization model was establish. Secondly, a neural network was introduced to solve the evaluation parameters. Through training the neural network by setting the installation angle as the input, the evaluation parameters as the output, the results show that the trained neural network can respond correctly, and has the advantages which the other method do not obtain. As an example of end relief modified helical gear, the results shows that the method can reduce the grinding errors effectively. Finally, the grinding experiments proven the effectiveness of the method.

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Section: Introductionmentioning

confidence: 99%

A Gear Form-Grinding Optimization Method Based on Neural Network

ZHU

GENG²

2023

International Journal of Automotive Science and Technology

View full text Add to dashboard Cite

show abstract

“…A new drivetrain scheme of a two-speed planetary gearbox and a one-way clutch can well match with the high-speed motor. A vehicle transmission transmits the rotating power of the energy source, whether an electric motor or an internal combustion engine (ICE), through a set of gears to a differential, the unit that spins the wheels [4][5][6]. Any vehicle, ICEs or EVs, needs more torque than speed to propel the car from a dead stop, and more speed than torque once the vehicle already has forward momentum [7,8].…”

Section: Introductionmentioning

confidence: 99%

A Reliability-Enhanced Forming Grinding Method of Cylindrical Involute Gears for Electrical Vehicles

Geng¹,

2022

International Journal of Automotive Science and Technology

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A new form-grinding method of cylindrical involute gears for electrical vehicles (EVs) is proposed to obtain stable contact performance of gear tooth surfaces and improve their reliability based on a predesigned controllable second-order transmission error function. The predesigned second-order transmission error function is assigned to a gear drive based on design specifications of EVs. Mathematical models of modified gear tooth surfaces of the gear pair can be obtained by the predesigned second-order transmission error function. Moreover, a section profile of a form-grinding wheel for cylindrical involute gears can be determined by a coordinate transformation matrix during form-grinding and settings of computer numerical control form-grinding programs for this active design method. This approach is ultimately conducted on three cylindrical involute gear pairs to demonstrate its feasibility and effectiveness.

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