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Method for controlling the torque in electric mode in a hybrid automotive vehicle

A motor vehicle and hybrid technology, applied in the field of torque control, can solve problems such as danger, achieve the effect of improving experience and reducing the number of starts

Active Publication Date: 2014-05-28
PEZHO SITROEN AUTOMOBILS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0023] In fact, automatic starting of the heat engine is necessary due to safety beyond the first area: not starting or the driver having to perform additional actions in order to start the engine (for example, pressing a button to disengage from electric mode) can be dangerous in emergency situations

Method used

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  • Method for controlling the torque in electric mode in a hybrid automotive vehicle
  • Method for controlling the torque in electric mode in a hybrid automotive vehicle
  • Method for controlling the torque in electric mode in a hybrid automotive vehicle

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Embodiment Construction

[0043] It is considered within the scope of the present invention that a hybrid motor vehicle comprises an engine block and figure 1 Among other elements shown in , the engine block includes a heat engine and an electric machine.

[0044] By way of non-limiting example only, the heat engine may be coupled to the front axle assembly of the vehicle and the electric machine may be coupled to the rear axle assembly. However, the opposite configuration can also be selected.

[0045] The vehicle includes, inter alia, a supervisory computer (not shown in the figure) which controls the control of the operation of each mechanism of the vehicle.

[0046] According to the invention, the monitoring computer is especially adapted to receive information about the position of the accelerator pedal.

[0047] The torque control method according to the invention includes the step of continuously providing this information to the monitoring computer. This information may be provided, for exam...

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Abstract

In a mode of driving of a hybrid automotive vehicle in which only the electric machine (MEL) is used to propel the vehicle: when the accelerator pedal is in a position corresponding to a demanded torque value that is higher than or equal to the maximum torque (CMELMAX) that the electric machine can supply and strictly below a set threshold (S), the combustion engine remains switched off and the electric machine supplies this maximum torque (CMELMAX); and when the accelerator pedal is in a position corresponding to a demanded torque value greater than or equal to the threshold (S), the combustion engine is started automatically and supplies a torque such that the value of the total torque supplied by the electric machine and the combustion engine is equal to the demanded torque value.

Description

technical field [0001] The present invention relates to a torque control method requested to an engine block including a heat engine and an electric machine in a ZEV (Zero Emission Vehicle) driving mode, ie in a purely electric driving mode, in a hybrid motor vehicle. The invention also relates to a hybrid motor vehicle implementing the method. [0002] The invention can be applied to all types of hybrid vehicles, parallel, series or energy split type (dérivation de puissance). Background technique [0003] In these vehicles, the combination of the two types of energy, thermal and electrical, ensures drive while optimizing the efficiency of energy use, thereby reducing the consumption of hydrocarbon fuels and the resulting air pollution. [0004] Parallel hybrid vehicles can run independently using thermal energy from an internal combustion engine or using electrical energy from a drive motor. For this purpose, for example, it is equipped with an assembly consisting of a h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60W10/06B60W10/08B60W20/00B60W30/192B60K6/52B60W50/00
CPCB60W10/06B60W10/08B60W30/192B60W2050/0054B60W2540/10B60W2710/083B60W20/11B60K6/52B60W2050/0042B60W2540/103Y02T10/40Y02T10/62
Inventor F·加利诺T·克罗盖诺克
Owner PEZHO SITROEN AUTOMOBILS SA
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