Device for diagnosing fuel saving operation, system for diagnosing fuel saving operation, controller of prime mover, device for scoring fuel saving operation and method for diagnosing fuel saving operation
A technology of fuel consumption and diagnostic devices, applied in the direction of control devices, engine control, electrical control, etc., can solve problems that do not include positive evaluation of engine brakes, etc.
Active Publication Date: 2013-10-23
FUJITSU GENERAL LTD +3
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Problems solved by technology
[0007] However, in the prior art described above, the scoring results based on the ratio of the operating time of the auxiliary brake to the operating time of the engine brake may suppress the use of the auxiliary brake while the engine brake is operating as much as possible.
[0008] However, the aforementioned scoring results are aimed at suppressing the use of the auxiliary brake, rather than encouraging the use of the engine brake itself, and not promoting early braking operation by the driver only through the operation of the engine brake.
This is because the scoring results based on the ratio of the operating time of the auxiliary brake to the operating time of the engine brake do not contain elements that positively evaluate the use of the engine brake itself.
Method used
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[0053] An example of an embodiment of a fuel-saving driving diagnosis device, a fuel-saving driving diagnosis system, and a fuel-saving driving diagnosis method will be described in detail below with reference to the drawings. An example of the following embodiment will be described by taking a vehicle driven by fossil fuel as fuel (energy), such as a gasoline engine, as an example.
[0054] However, it is not limited to a vehicle driven by fossil fuels as fuel (energy) such as a gasoline engine, and may also be equipped with a gasoline engine (or other engines that use fossil fuels as energy) and a drive motor (hereinafter, abbreviated as a motor). The driving situation refers to a hybrid vehicle running while switching the driving source. Alternatively, vehicles driven by electric motors, such as electric vehicles and fuel cell vehicles, are also included. As long as they are driven using energy, they are generally applicable widely.
[0055] [an example of embodiment]
[...
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An accelerator-off, fuel-cut traveling determining unit (11c) determines whether the number of engine revolutions of a vehicle (1a) is equal to or higher than a predetermined value, whether an accelerator opening rate is equal to or lower than a predetermined value, and whether a traveling state is an accelerator-off, fuel-cut traveling state where a quantity of fuel injection to an engine is 0. When it is determined that the traveling state is the accelerator-off, fuel-cut traveling state, the traveling distance adding-up unit (11d) adds up accelerator-off, fuel-cut traveling distances. A fuel-saving driving rating unit (12) rates driving by a driver based on each of the added-up values which were added up by the traveling distance adding-up unit (11d). A fuel-saving driving advice generating unit (13) notifies the driver of a fuel-saving driving advice together with a rating result in accordance with the rating result. Therefore, it is possible to encourage the driver to perform early engine operation by an engine braking, and to enhance the driver's awareness of fuel saving driving.
Description
technical field [0001] The present invention relates to a fuel-saving driving diagnosis device, a fuel-saving driving diagnosis system, a control device for a prime mover, a fuel-saving driving scoring device, and a fuel-saving driving diagnosis method based on an appropriate accelerator pedal operation by a driver in a vehicle The distance traveled without consuming fuel is used to diagnose and score fuel-efficient driving, and the score result is notified to the driver, thereby raising the awareness of fuel-efficient driving. Background technique [0002] In recent years, the global environmental problems have become increasingly serious, and the fuel economy of automobiles has been re-emphasized. Among the global environmental problems, countermeasures against global warming are urgently needed. As a result, gasoline engine vehicles that emit greenhouse gases such as carbon dioxide have been improved, fuel consumption efficiency has been improved, and greenhouse gas emis...
Claims
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IPC IPC(8): F02D45/00F02D29/02
CPCF02D41/2403F02D29/02F02D41/021F02D2200/604F02D41/123B60W50/14B60W30/18072B60W2530/18
Inventor 春本哲清幸荣竹内彰次郎三浦直树中村正树杉浦博昭山谷义夫野野村纯一田内庸贵
Owner FUJITSU GENERAL LTD