CN104234851A - Control method for rotating speed of engine - Google Patents
Control method for rotating speed of engine Download PDFInfo
- Publication number
- CN104234851A CN104234851A CN201410473525.7A CN201410473525A CN104234851A CN 104234851 A CN104234851 A CN 104234851A CN 201410473525 A CN201410473525 A CN 201410473525A CN 104234851 A CN104234851 A CN 104234851A
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- signal
- idling
- engine
- rotating speed
- brake
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The invention provides a control method for the rotating speed of an engine. The rotating speed of the engine is controlled through the signal that the opening degree of an accelerator pedal is 0 and a D-gear signal, and an electronic control unit is controlled through a brake signal to trigger the engine to carry out high driving idling or low driving idling; specifically, under the condition without braking, the electronic control unit only receives the signal that the opening degree of the accelerator pedal is 0 and the D-gear signal so as to trigger the engine to carry out the high driving idling; under the condition of braking, the electronic control unit receives the signal that the opening degree of the accelerator pedal is 0, the D-gear signal and the brake signal so as to trigger the engine to carry out the low driving idling. Air suction and oil injection of the engine can be controlled, and thus the emission value and oil consumption value of the whole vehicle are reduced, and the effects of energy conservation and emission reduction are achieved.
Description
Technical field
The present invention relates to a kind of engine management method, particularly relate to a kind of controlling method of engine speed.
Background technique
ECU (electronic control unit) is to having driving rotating speed to control and parking rotating speed controls in the control logic of engine speed, the control of driving rotating speed triggers ECU according to gear signal and controls the motor rotation speed operation of specifying by it.
Fig. 1 is the controlling method schematic diagram of original transmitter rotating speed, comprise signal and D shelves signal that gas pedal aperture is 0, no matter whether touch on the brake, electronic control unit only receives signal and the D shelves signal that gas pedal aperture is 0, electronic control unit controls motor and performs a driving rotating speed, without high driving rotating speed and low driving rotating speed point.Method ECU when gas pedal aperture (wped) is 0 of existing AMT vehicle motor driving rotating speed control logic performs driving rotating speed only by gear signal to control motor, without high driving rotating speed and low driving rotating speed point, be unfavorable for like this controlling complete-vehicle oil consumption value and discharge value.Often hang D shelves when client waits traffic lights in actual life to touch on the brake to wait traffic light, now be in traveling gears (D shelves) signal, ECU triggers driving rotating speed and controls, due to driving rotating speed in order to overcome car resistance thus driving speed setting value often slightly high, fuel consumption values and discharge value are all slightly high.The controlling method of engine speed of the present invention on the basis of the controlling method of existing rotating speed, adds a brake signal (B_brems) come control ECU triggering high driving idling or low driving idling, because the intention of driver when touching on the brake wishes to slow down or stop, so time ECU can trigger a low driving rotating speed to control motor, certain optimization can be played to oil consumption and discharge when client waits traffic light like this, play the effect of energy-saving and emission-reduction.
Summary of the invention
The technical problem to be solved in the present invention, is the controlling method providing a kind of engine speed, and it can play certain optimization to driver oil consumption and discharge when touching on the brake or when waiting traffic light, plays the effect of energy-saving and emission-reduction.
The present invention is achieved in that
A controlling method for engine speed, by gas pedal aperture be 0 signal and D shelves signal control engine speed, increase brake signal and control electronic control unit and trigger motor and perform high driving idling or low driving idling, specific as follows:
When not touching on the brake, described electronic control unit only receive gas pedal aperture be 0 signal and D shelves signal with trigger motor perform described height driving idling;
When touching on the brake, described electronic control unit receive gas pedal aperture be 0 signal, D shelves signal and brake signal to be to trigger the described low driving idling of motor execution.
Further, in water temperature-30 DEG C ~ 110 DEG C with in the scope of height above sea level 0.5km ~ 1km, the velocity range of described height driving idling is 780 ~ 880km/h, and the velocity range of described low driving idling is 700 ~ 780km/h.
Tool of the present invention has the following advantages: discharge at present and oil consumption are very large challenges to whole automobile industry, energy-saving and emission-reduction are also the top priorities of automobile industry, the present invention can realize the motor driving adjustment of rotating speed and control according to running when waiting traffic lights different automobile gear level signals, such driver can reduce discharge and the fuel consumption values of car load when waiting traffic light, play the effect of energy-saving and emission-reduction.
Accompanying drawing explanation
The present invention is further illustrated in conjunction with the embodiments with reference to the accompanying drawings.
Fig. 1 is the controlling method schematic diagram of original engine speed;
Fig. 2 is the controlling method schematic diagram of engine speed of the present invention.
Embodiment
As shown in Figure 2, a kind of controlling method of engine speed, by gas pedal aperture be 0 signal and D shelves signal control engine speed, increase brake signal and control electronic control unit and trigger motor and perform high driving idling or low driving idling, specific as follows:
When not touching on the brake, described electronic control unit only receive gas pedal aperture be 0 signal and D shelves signal with trigger motor perform described height driving idling, in water temperature-30 DEG C ~ 110 DEG C with in the scope of height above sea level 0.5km ~ 1km, the velocity range of described height driving idling is 780 ~ 880km/h;
When touching on the brake, described electronic control unit receive gas pedal aperture be 0 signal, D shelves signal and brake signal to be to trigger the described low driving idling of motor execution, in water temperature-30 DEG C ~ 110 DEG C with in the scope of height above sea level 0.5km ~ 1km, the velocity range of described low driving idling is 700 ~ 780km/h.
Specifically be achieved in that regardless of when whether braking, electronic control unit all only receive gas pedal aperture be 0 signal and D shelves signal with trigger motor perform one driving rotating speed, without high driving rotating speed and low driving rotating speed point, be unfavorable for like this controlling complete-vehicle oil consumption value and discharge value.And the additional brake signal (B_brems) of the present invention comes control ECU triggering high driving idling or low driving idling, driving idling is determined by water temperature and height above sea level factor, different water temperatures, different height above sea level all correspondence are provided with a specific high driving idling numerical value and a specific low driving idling numerical value, their trend is: driving idling reduces along with the rising of water temperature and height above sea level, and the numerical value of high driving idling is a little more than the numerical value of low driving idling.These numerical value carry out sets itself according to Conventional wisdom value and driving evaluation, write direct in ECU in house software after idling of being driven a vehicle by height numerical value and the setting value of low driving idling well, ECU controls the height driving idling of motor or low driving idling by the numerical value set.Evaluate known according to Conventional wisdom value and driving: in water temperature-30 DEG C ~ 110 DEG C with in the scope of height above sea level 0.5km ~ 1km, the velocity amplitude scope of high driving idling the best is 780km/h ~ 880km/h, the velocity amplitude scope of low driving idling the best is 700km/h ~ 780km/h, its driving idling is all consistent with the numerical value of setting, has nothing to do with different automobile types different regions.Because the intention of driver when touching on the brake wishes to slow down or stop, so time ECU can trigger a low driving rotating speed to control motor, different automobile gear level signals can be run like this according to situation about whether touching on the brake and realize adjustment to motor driving rotating speed and control, such driver can reduce discharge and the fuel consumption values of car load when waiting traffic light, play the effect of energy-saving and emission-reduction.
Although the foregoing describe the specific embodiment of the present invention; but be familiar with those skilled in the art to be to be understood that; specific embodiment described by us is illustrative; instead of for the restriction to scope of the present invention; those of ordinary skill in the art, in the modification of the equivalence done according to spirit of the present invention and change, should be encompassed in scope that claim of the present invention protects.
Claims (2)
1. the controlling method of an engine speed, by gas pedal aperture be 0 signal and D shelves signal control engine speed, it is characterized in that: increase brake signal and trigger motor execution high driving idling or low driving idling to control electronic control unit, specific as follows:
When not touching on the brake, described electronic control unit only receive gas pedal aperture be 0 signal and D shelves signal with trigger motor perform described height driving idling;
When touching on the brake, described electronic control unit receive gas pedal aperture be 0 signal, D shelves signal and brake signal to be to trigger the described low driving idling of motor execution.
2. the controlling method of a kind of engine speed as claimed in claim 1, it is characterized in that: in water temperature-30 DEG C ~ 110 DEG C with in the scope of height above sea level 0.5km ~ 1km, the velocity range of described height driving idling is 780 ~ 880km/h, and the velocity range of described low driving idling is 700 ~ 780km/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473525.7A CN104234851A (en) | 2014-09-17 | 2014-09-17 | Control method for rotating speed of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410473525.7A CN104234851A (en) | 2014-09-17 | 2014-09-17 | Control method for rotating speed of engine |
Publications (1)
| Publication Number | Publication Date |
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| CN104234851A true CN104234851A (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201410473525.7A Pending CN104234851A (en) | 2014-09-17 | 2014-09-17 | Control method for rotating speed of engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904161A (en) * | 2015-12-23 | 2017-06-30 | 上海汽车集团股份有限公司 | A kind of TCU and Eng ine Idling Control method |
| CN107559095A (en) * | 2016-06-30 | 2018-01-09 | 上海汽车集团股份有限公司 | A kind of control method and device of engine idle rotational |
| CN108177645A (en) * | 2017-12-20 | 2018-06-19 | 广州汽车集团股份有限公司 | A kind of automotive engine speed control method and device |
| CN111255562A (en) * | 2018-11-30 | 2020-06-09 | 陕西重型汽车有限公司 | Power system and control method of foam fire fighting truck and foam fire fighting truck |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63212746A (en) * | 1987-02-27 | 1988-09-05 | Toyota Motor Corp | Air fuel ratio control device of internal combustion engine |
| JPH02277944A (en) * | 1989-04-20 | 1990-11-14 | Mitsubishi Motors Corp | Idle rotating speed control method of internal combustion engine |
| JPH07180588A (en) * | 1993-12-24 | 1995-07-18 | Toyota Motor Corp | Idling engine speed control device for internal combustion engine |
| CN1312188A (en) * | 2000-03-06 | 2001-09-12 | 丰田自动车株式会社 | Controlling apparatus for stopping idling of IC engine and vehicles mounted with said apparatus |
| US20060276304A1 (en) * | 2005-06-01 | 2006-12-07 | Caterpillar Inc. | Method for controlling a variable-speed engine |
-
2014
- 2014-09-17 CN CN201410473525.7A patent/CN104234851A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63212746A (en) * | 1987-02-27 | 1988-09-05 | Toyota Motor Corp | Air fuel ratio control device of internal combustion engine |
| JPH02277944A (en) * | 1989-04-20 | 1990-11-14 | Mitsubishi Motors Corp | Idle rotating speed control method of internal combustion engine |
| JPH07180588A (en) * | 1993-12-24 | 1995-07-18 | Toyota Motor Corp | Idling engine speed control device for internal combustion engine |
| CN1312188A (en) * | 2000-03-06 | 2001-09-12 | 丰田自动车株式会社 | Controlling apparatus for stopping idling of IC engine and vehicles mounted with said apparatus |
| US20060276304A1 (en) * | 2005-06-01 | 2006-12-07 | Caterpillar Inc. | Method for controlling a variable-speed engine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106904161A (en) * | 2015-12-23 | 2017-06-30 | 上海汽车集团股份有限公司 | A kind of TCU and Eng ine Idling Control method |
| CN106904161B (en) * | 2015-12-23 | 2019-06-07 | 上海汽车集团股份有限公司 | A kind of TCU and Eng ine Idling Control method |
| CN107559095A (en) * | 2016-06-30 | 2018-01-09 | 上海汽车集团股份有限公司 | A kind of control method and device of engine idle rotational |
| CN107559095B (en) * | 2016-06-30 | 2019-11-15 | 上海汽车集团股份有限公司 | A kind of control method and device of engine idle rotational |
| CN108177645A (en) * | 2017-12-20 | 2018-06-19 | 广州汽车集团股份有限公司 | A kind of automotive engine speed control method and device |
| CN111255562A (en) * | 2018-11-30 | 2020-06-09 | 陕西重型汽车有限公司 | Power system and control method of foam fire fighting truck and foam fire fighting truck |
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Application publication date: 20141224 |