摘要:
Infinitely variable power bypass transmission with two operating modes for a motor vehicle with a thermal engine, of the type including: at least two power lines parallel-connecting the thermal engine with the vehicle wheels and each containing a coupling/decoupling device (8, 9) capable of locking or releasing a transmission shaft (6, 7) according to the operating mode; a line containing a continuous speed controller (10); and a mode switch control device (15) capable of controlling the coupling/decoupling devices; characterised in that said transmission includes a single actuator (19) for the two coupling/decoupling devices, which is capable, when a mode switch occurs, of triggering simultaneously the two modes while locking the two transmission shafts.
摘要:
The present invention relates to a powertrain control system. A first module (12) controls an internal combustion engine (ICE), a second module (14) controls a gearbox (G), and these two modules (12,14) are supervised by a management module (10). In order to optimize powertrain performance, the system controls the engine (ICE), the gearbox (G) and a clutch (C 1 ) depending on driver input as well as current engine, gearbox and clutch state. A preferred embodiment further includes an electric motor (EGM). Preferably, interactions between the control modules (12,14) are always coordinated by the management module (10).
摘要:
A vehicle drive control apparatus is provided for detecting clutch trouble early and to alert the driver to the need for clutch repair. The vehicle drive control apparatus is provided in a vehicle having a clutch (12) disposed between an electric motor (4) and a wheel (3L or 3R) driven by the electric motor (4). The drive control apparatus comprises a clutch control section (8D) and a diagnosis section (8H). The clutch control section (8D) is configured to control engagement of the clutch (12) to selectively drive the wheel (3L or 3R) by the electric motor (4). The diagnosis section (8H) is configured to diagnose whether or not the clutch (12) can be operated by controlling the clutch control section (8D) to turn on and off the clutch (12), when the diagnosis section (8H) determines that the wheel (3L or 3R) is not being driven by the electric motor (4).
摘要:
A hybrid vehicle improves drivability during switching operation between an engine cruise mode and a motor cruise mode. The hybrid vehicle comprises an engine (2) and a motor (3) capable of generating electrical power as power sources, an output shaft (13a or 13b) to which at least one of the driving powers of the engine (2) and the motor (3) is transmitted for driving the vehicle in the engine cruise mode in which the vehicle is driven by the engine (2), or in the motor cruise mode in which the vehicle is driven by the motor (3), a clutch section (12) which is provided between the engine (2) and motor (3) and the output shaft (13a or 13b), and which is adapted to selectively disconnect the driving powers of the engine (2) and the motor (3), and a control section which is adapted to control the clutch section (12), when the driving mode of the vehicle is switched between the engine cruise mode and the motor cruise mode alternately, so that the engagement degree of the clutch section (12) is once decreased at switching, and then the decreased engagement degree of the clutch section (12) is gradually increased and recovered.
摘要:
A first aspect of the present invention is concerned with a series hybrid drive train for a vehicle comprising a traction motor, an electric generator, a three-position clutch (20) and a controller. The three-position clutch allows the generator to be connected to an internal combustion engine (12) of the vehicle, to the traction motor or to remain freewheeling. In a second aspect of the present invention, a four-position clutch is used to further allow the internal combustion engine to be connected directly to the wheels to thereby yield a series/parallel drive train. A third aspect of the present invention is concerned with a method of operating such a hybrid drive train.
摘要:
A power switchover apparatus for a hybrid vehicle is provided which can perform power switchover smoothly with a simple and relatively lightweight configuration. The switchover apparatus has a starting clutch (40) between an engine crankshaft (22) of an engine (20) and an automatic transmission (23), a one-way clutch between the automatic transmission (44) and a drive shaft (60), and a drive motor (21b) connected to said drive shaft (60). On starting, the one-way clutch is idle, and is later connected to switch over the power source to the engine. The switchover apparatus also has target rotational speed setting means (7a) for setting a target rotational speed of the engine (Ne) when the power source is to be switched from motor to engine, and control means (7b, 7c) for controlling the engine rotational speed and the transmission ratio of the automatic transmission in response to the target rotational speed.
摘要:
A vehicle driven by a driving motor including an engine (1) and a transmission (3) comprises a driving force control unit (DCU), and a driving motor stopping unit, the driving force control unit (DCU) allowing transmission of a creep driving force from the driving motor to driving wheels of the vehicle regardless of releasing an accelerator pedal under or equal to a predetermined vehicle speed when the transmission is selected to a running range, the driving force control unit (DCU) being adapted to switch the creep driving force between a strong condition and a weak creep condition (F_WCRPON) in accordance with depression of a brake pedal (BP), the strong condition including a strong creep condition (F_SCRPON) and a strong creep condition for driving (F_MSCRPON), the creep driving force being adjusted to be less in the strong creep condition for driving (F_MSCRPON) than in the strong creep condition (F_SCRPON), the driving motor stopping unit (DCU) enabling an automatic engine stop operation for automatically turning off the engine (1) while the vehicle stops, if the creep driving force is adjusted to be in the weak creep condition (F_WCRPON).
摘要:
A hybrid vehicle control apparatus is provided which can improve fuel consumption. There is provided: a cylinder cut-off determination section (F_ALCSSTB) for determining whether all cylinders should be cut off; a cylinder cut-off cancellation determination section (F_ALCSSTP) for determining whether cylinder cut-off cancellation conditions have been satisfied; a cylinder cut-off execution section (F_ALCSSOL) for operating a spool valve (SV) when the cylinder cut-off determination section determines that cylinder cut-off is possible; and a cylinder cut-off control section (F_ALCS) for cutting off the cylinders of the engine based on the operating conditions of the cylinder cut-off determination section, the cylinder cut-off cancellation determination section and the cylinder cut-off execution section. When the voltage of an auxiliary battery (4), being the drive source of the spool valve, is at or greater than a predetermined voltage, and the oil temperature (TOIL) is within a predetermined range, the cylinder cut-off determination section determines that cylinder cut-off is possible.
摘要:
A control device of a hybrid drive unit, wherein an assist prime mover is connected through a transmission to an output member, to which a torque outputted by a main prime mover is transmitted. The control device comprises a first torque correcting means for correcting the torque to be transmitted from the main prime mover to the output member during a gear shift by the transmission.