CN108071500A - Engine power control method and engine power control device - Google Patents
Engine power control method and engine power control device Download PDFInfo
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- CN108071500A CN108071500A CN201611034695.0A CN201611034695A CN108071500A CN 108071500 A CN108071500 A CN 108071500A CN 201611034695 A CN201611034695 A CN 201611034695A CN 108071500 A CN108071500 A CN 108071500A
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- carrying capacity
- passenger carrying
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The present invention relates to the actual passenger carrying capacities of engine power control method and engine power control device, first detection vehicle；Then actual passenger carrying capacity is determined into the passenger carrying capacity scope residing for the actual passenger carrying capacity compared with the passenger carrying capacity scope set；The last power set-point according to the definite corresponding engine of passenger carrying capacity scope controls come the power to engine；Wherein, at least two passenger carrying capacity scopes are provided with, different passenger carrying capacity scopes is corresponding with the power set-point of different engines.In the case where setting more multiple passenger carrying capacity scopes, which can realize becoming more meticulous for Power Control.Moreover, ensure that maximum climbable gradient of vehicle is basically unchanged during different passenger carrying capacities, when avoiding passenger carrying capacity less, when the situation of vehicle power surplus occurs or passenger carrying capacity is more, the situation about being short of power of vehicle occurs, fuel economy is promoted, improves the security of vehicle traveling.
Description
Technical field
The present invention relates to engine power control methods and engine power control device.
Background technology
At present, car arrangements of power system need to meet the power demand under the conditions of Maximum total mass, i.e., when dynamic property calculates,
Mass parameter takes Maximum total mass, and various power configurations are compared, final to determine suitable configuration of dispatching from the factory, so as in car
In the case of full, ensure vehicle power performance.
The dynamical system of car is when dispatching from the factory it has been determined that it is in the case of seating capacity's difference, due to complete vehicle quality
Change, dynamic property can change, and with increasing for seating capacity, complete vehicle quality increase, dynamic property can continuously decrease, and objective
Vehicle seating capacity changes greatly, and by taking 12 meters of buses as an example, seating capacity changes between 0-100 people, and gross mass exists
It is fluctuated between 12000-18000kg, since arrangements of power system is determined using maximum total amount as standard, thus it is less in handling capacity of passengers
When, car excess drive force, excess drive force can cause oil consumption to raise, and cause energy waste.
A kind of engine power control system is disclosed in the Chinese patent application file of Publication No. CN104343552A
And method, the system include：Load transducer, for detecting the load of the vehicle；Angular transducer, for detecting the vehicle
Motion state；ECU, for the power according to the load and motion state adjustment engine.It can be made by load transducer
Engine is able to autonomous classification car load, and ensures that the premise of power selects optimal economic operation model, practical satisfaction
The demand of customer fuel economy.This power control mode can make flexible modulation engine power, while also not subtract
Light light weight ensure that on the premise of not sacrificing driving safety and be run always with best power.
But the load of vehicle is detected in above-mentioned engine power control method by load transducer, and the biography
Sensor needs to be installed at chassis, so, this load mensuration mode is easily jolted by vehicle and influenced, it is difficult to accurately detect vehicle
Real load.Also, car load is divided into the several modes such as zero load, underloading, middle load and heavy duty, according to respective loads feelings
Condition determines engine output, but car load only is divided into simply four kinds of situations, divides more rough, Power Control
It is more extensive, it is impossible to subtly to realize Power Control.
The content of the invention
The object of the present invention is to provide a kind of engine power control method, to solve traditional Poewr control method without
Method subtly realizes the problem of Power Control.The present invention also provides have engine power control device.
To achieve the above object, the solution of the present invention includes a kind of engine power control method, comprises the following steps：
(1) the actual passenger carrying capacity of vehicle is detected；
(2) actual passenger carrying capacity is determined compared with the passenger carrying capacity scope set residing for the actual passenger carrying capacity
Passenger carrying capacity scope；
(3) power of engine is carried out according to the power set-point of the definite corresponding engine of passenger carrying capacity scope
Control；
Wherein, at least two passenger carrying capacity scopes are provided with, different passenger carrying capacity scopes is corresponding with different engines
Power set-point.
A kind of engine power control device, including：
Detection module, for detecting the actual passenger carrying capacity of vehicle；
Judgment module, for actual passenger carrying capacity compared with the passenger carrying capacity scope set, to be determined to the actual load
Passenger carrying capacity scope residing for objective quantity；
Control module, for according to the power set-point of the definite corresponding engine of passenger carrying capacity scope come to engine
Power controlled；
Wherein, at least two passenger carrying capacity scopes are provided with, different passenger carrying capacity scopes is corresponding with different engines
Power set-point.
A kind of engine power control device, including passenger carrying capacity detection module and engine controller, the engine
Controller sampling connects the passenger carrying capacity detection module, and the passenger carrying capacity detection module is used to detect the actual carrying of vehicle
Quantity, the engine controller compared with the passenger carrying capacity scope set, determine the actual passenger carrying capacity received
Passenger carrying capacity scope residing for the actual passenger carrying capacity, and given according to the power of the definite corresponding engine of passenger carrying capacity scope
Definite value controls come the power to engine；
Wherein, at least two passenger carrying capacity scopes are provided with, different passenger carrying capacity scopes is corresponding with different engines
Power set-point.
The number of the passenger carrying capacity detection module is two, and the first passenger carrying capacity detection module is arranged on the front door of vehicle
Place, for detecting the quantity of the passenger to get on the bus, the second passenger carrying capacity detection module is arranged at the back door of vehicle, under detection
The quantity of the passenger of vehicle.
The control device further includes reset switch, and engine controller sampling connects the reset switch, the reset
It switchs that the passenger carrying capacity in engine controller is set to 0 when pressing.
In engine power control, the actual passenger carrying capacity of vehicle is detected, and the reality is determined according to actual passenger carrying capacity
Then passenger carrying capacity scope residing for the passenger carrying capacity of border gives according to the power of the definite corresponding engine of passenger carrying capacity scope
Value carrys out the corresponding power for adjusting engine.Wherein, different passenger carrying capacity scopes is corresponding with the power of different engines and gives
Value, also, the number of passenger carrying capacity scope can be set according to the control accuracy of actual requirement, of passenger carrying capacity scope
Number is more, and the length of each passenger carrying capacity scope is shorter, and like this, Power Control is finer, so, more multiple loads are being set
In the case of objective quantitative range, which can realize becoming more meticulous for Power Control.Moreover, it can realize hair by adjusting
Motivation power can reduce with the reduction of passenger carrying capacity, ensure that maximum climbable gradient of vehicle is basically unchanged during different passenger carrying capacities,
When avoiding passenger carrying capacity less, when the situation of vehicle power surplus occurs or passenger carrying capacity is more, vehicle is short of power
Situation occurs, and promotes fuel economy, improves the security of vehicle traveling.
In addition, when being controlled using passenger carrying capacity, the quantity of passenger carrying capacity sensor detection passenger need to be only utilized,
The detection mode of passengers quantity is jolted influence from vehicle, therefore can accurately be detected.
Description of the drawings
Fig. 1 is the flow diagram of engine power control embodiment one；
Fig. 2 is that engine gives relation schematic diagram between power and carrying numberical range；
Fig. 3 is the flow diagram of engine power control embodiment two.
Specific embodiment
The present invention basic technical scheme be：The actual passenger carrying capacity of detection vehicle in real time, and according to the reality received
Passenger carrying capacity determines the passenger carrying capacity scope residing for actual passenger carrying capacity, then according to the definite corresponding hair of passenger carrying capacity scope
The power set-point of motivation carrys out the corresponding power for adjusting engine；Wherein, at least two passenger carrying capacity scopes are provided with, it is different
Passenger carrying capacity scope is corresponding with the power set-point of different engines.
Above-mentioned basic technical scheme is described in detail below in conjunction with two embodiments.
Control method embodiment
Since the inventive point of the present invention is：According to the quantity of carrying come the corresponding power for adjusting engine, so, the work(
The application of rate control method is generally the utility cars such as bus, however, it is also possible to be other vehicles, such as：It goes sightseeing
Touring car etc..In order to implement Poewr control method provided by the invention, it is necessary to be realized by means of corresponding hardware device.Institute
In the present embodiment, to provide a kind of power control device of engine, the component of the control device is hardware configuration.
The power control device integrally includes two parts：Passenger carrying capacity detection module and engine controller, wherein,
Passenger carrying capacity detection module (also known as passenger carrying capacity sensor) is used for for detecting the quantity of the passenger in compartment
There are many species of the equipment of detection number, such as：Using infrared transmitter and infrared remote receiver, the both sides of car door are arranged on, when
When having passenger loading, infrared remote receiver does not just receive the infrared signal that infrared transmitter is sent for some time, by this
Mode can detect the quantity of the passenger in vehicle；Alternatively, using face recognition device relatively advanced at present, compartment is arranged on
Inside, this mode can relatively accurately detect passenger carrying capacity, and correspondingly, the cost of input is higher.Certainly, except above-mentioned two
Outside kind mode, it is also possible to there are other detection modes, since detection mode is not the emphasis of the present invention in itself, so, this
In will not enumerate.
Engine controller can be the Engine ECU inherently having in vehicle or the control specially set
Device, such as：Microcontroller etc. controls chip.In the present embodiment, engine controller is known as controller 1.
Passenger carrying capacity detection module is used to detect the quantity of the passenger in compartment, due in the public transports such as bus
Car door, preceding passenger doors and rear passenger doors usually there are two tools, so, for general passenger carrying capacity detection module, number is led to
It is often two, one is respectively set at preceding passenger doors and at rear passenger doors, is referred to as sensor 2 and sensor 3.But for
The more special equipment such as face recognition device, since the equipment is capable of detecting when the patronage of certain area, then, one
One face recognition device is only set in vehicle.The present embodiment is by taking general passenger carrying capacity detection module as an example.
Under normal circumstances, public transport company's regulation passenger is got on the bus by preceding passenger doors, is got off by rear passenger doors.Vehicle is run
In the process, as shown in Figure 1, when there is passenger to be got on the bus by preceding passenger doors, sensor 2 sends electric signal 0, and electric signal 0 is transferred to hair
Motivation controller 1, passenger carrying capacity adds 1 in controller；When there is passenger to be got off by rear passenger doors, sensor 3 sends electric signal 1,
Electric signal 1 is transferred to engine controller 1, and passenger carrying capacity subtracts 1 in controller.Therefore, 1 real-time reception of engine controller senses
The electric signal that device 2 and 3 is sent, and these electric signals are correspondingly added up, to know passenger carrying capacity in real time.In addition, this reality
It applies in example, control device has further included reset switch, which is the ACC gears in closing of bus, when driver will
When switch pushes the gear, give engine controller one reset signal, the passenger carrying capacity in controller is made to be set to 0.In public transport
After pulling in or bus complete darg after can reset passenger carrying capacity by the ACC grades, remove the same day
Data were laid the groundwork for the work of second day.
Several passenger carrying capacity scopes are loaded with inside engine controller, [0, Smax] is specially divided into several loads
Objective quantitative range, respectively [0, S1], (S1, S2], (S2, S3] ..., (Sn, Smax].Wherein, Smax is the maximum of vehicle
Handling capacity of passengers, S1, S2 ..., Sn be setting handling capacity of passengers, adjacent two setting handling capacities of passengers form a carrying numerical value models
It encloses.The number of the number for the scope being divided into, i.e. n can be set according to actual conditions, when n is smaller, that is, the scope that is divided into
Number it is less when, the length of each quantitative range is longer, and control is more extensive, when n is larger, that is, the number of the scope being divided into compared with
When more, correspondingly, the length of each quantitative range is shorter, and control is finer.Moreover, the minimum value of n is in principle 2, still, it is
Control reaches certain fineness, and the minimum value of n is under normal circumstances 4,5,6 or 7, certainly, if it is desired to obtain more
It is finely controlled, the minimum value of n can be the number of bigger.
The specific dividing mode of a carrying numberical range is given below.
Assuming that the maximum passenger carrying capacity of vehicle is A, then, the carrying numberical range of division is respectively：[0, A-56], (A-
56, A-49], (A-49, A-42], (A-42, A-35], (A-35, A-28], (A-28, A-21], (A-21, A-14], (A-14, A-
7] and (A-7, A].
Engine controller is handled according to the electric signal of two sensors received, obtains the carrying number of vehicle
Amount, and compared with the carrying numberical range of inner setting, which carrying numerical value the passenger carrying capacity to determine actual is located at
In the range of.
Adaptable relation based on engine power and passenger carrying capacity, i.e., engine power is with the reduction of passenger carrying capacity
And reduce, increase and increased basic ideas, each carrying numberical range is corresponding with the power set-point of different engines,
Controller controls engine according to the power set-point of the definite corresponding engine of carrying numberical range, makes it according to corresponding
Power set-point run.
It is described in detail with reference to the above-mentioned carrying numberical range provided, wherein, [0, S1] corresponding power set-point is
P1, (S1, S2] corresponding power set-point is P2, (S2, S3] corresponding power set-point is P3 ... ..., (Sn-1, Sn] it is corresponding
Power set-point be Pn, wherein, P1 ＜ 2P ＜ ... ＜ Pn.Moreover, it is also possible to make (Sn, Smax] corresponding power set-point
It is Pmax, i.e., the corresponding given power of greatest measure scope is maximum power, as shown in Fig. 2, wherein, abscissa represents
Passenger carrying capacity, total left side represent power set-point.
By above-mentioned setting, the whole relation between power set-point and passenger carrying capacity is power set-point with carrying number
Stepped increase is presented in the increase of amount, and stepped reduction is presented with the reduction of passenger carrying capacity.And then in the power to engine
When being controlled, stepped increase is presented with the increase of passenger carrying capacity in the power of engine, is in the reduction of passenger carrying capacity
Existing stepped reduction, meets service requirement.
With reference to application example given herein above, the concrete numerical value that engine power set-point and passenger carrying capacity is given below is closed
System.
When carrying is in the range of [0, A-56], limitation engine torque to the 84% of peak torque, the i.e. work(of engine
Rate set-point is the 84% of maximum power；
When carrying (A-56, A-49] in the range of when, limitation engine torque is to the 86% of peak torque, i.e. engine
Power set-point is the 86% of maximum power；
When carrying (A-49, A-42] in the range of when, limitation engine torque is to the 88% of peak torque, i.e. engine
Power set-point is the 88% of maximum power；
When carrying (A-42, A-35] in the range of when, limitation engine torque is to the 90% of peak torque, i.e. engine
Power set-point is the 90% of maximum power；
When carrying (A-35, A-28] in the range of when, limitation engine torque is to the 92% of peak torque, i.e. engine
Power set-point is the 92% of maximum power；
When carrying (A-28, A-21] in the range of when, limitation engine torque is to the 94% of peak torque, i.e. engine
Power set-point is the 94% of maximum power；
When carrying (A-21, A-14] in the range of when, limitation engine torque is to the 96% of peak torque, i.e. engine
Power set-point is the 96% of maximum power；
When carrying (A-14, A-7] in the range of when, limitation engine torque is to the 98% of peak torque, i.e. engine
Power set-point is the 98% of maximum power；
When carrying (A-7, A] in the range of when, the torque of engine is not limited, i.e., in this case, engine
Power set-point be engine maximum power.
In addition, Fig. 3 is shown when passenger carrying capacity detection module is face identifier, the simple process figure of Power Control.
The control method carries out the control of engine power according to passenger carrying capacity, according to passenger carrying capacity meet scope come
It determines power set-point, and engine power is controlled according to power set-point.On the premise of power performance is met
Engine power is realized to the adaptive of different passenger carrying capacities, it is superfluous or be short of power to can effectively avoid normal kinetic, and then
Optimize fuel economy, ensure the stable operation of vehicle.
Control device embodiment
Control device provided in this embodiment is included with lower module：
Detection module, for detecting the actual passenger carrying capacity of vehicle；
Judgment module, for actual passenger carrying capacity compared with the passenger carrying capacity scope set, to be determined to the actual load
Passenger carrying capacity scope residing for objective quantity；
Control module, for according to the power set-point of the definite corresponding engine of passenger carrying capacity scope come to engine
Power controlled；
Wherein, at least two passenger carrying capacity scopes are provided with, different passenger carrying capacity scopes is corresponding with different engines
Power set-point.
Each module in the control device is corresponding with each step in control method, so, the control device is substantial
Protection is still control method, is described in detail since the control method has been made in the above-described embodiments, here just not
It repeats again.
Specific embodiment is presented above, but the present invention is not limited to described embodiment.The base of the present invention
This thinking is above-mentioned basic scheme, and for those of ordinary skill in the art, various changes are designed in introduction according to the present invention
The model of shape, formula, parameter simultaneously need not spend creative work.It is right without departing from the principles and spirit of the present invention
The change, modification, replacement and modification that embodiment carries out are still fallen in protection scope of the present invention.
Claims (5)
1. a kind of engine power control method, which is characterized in that comprise the following steps：
(1) the actual passenger carrying capacity of vehicle is detected；
(2) actual passenger carrying capacity is determined into the load residing for the actual passenger carrying capacity compared with the passenger carrying capacity scope set
Objective quantitative range；
(3) controlled according to the power set-point of the definite corresponding engine of passenger carrying capacity scope come the power to engine
System；
Wherein, at least two passenger carrying capacity scopes are provided with, different passenger carrying capacity scopes is corresponding with the work(of different engines
Rate set-point.
2. a kind of engine power control device, which is characterized in that including：
Detection module, for detecting the actual passenger carrying capacity of vehicle；
Judgment module, for compared with the passenger carrying capacity scope set, actual passenger carrying capacity to be determined the actual carrying number
The residing passenger carrying capacity scope of amount；
Control module, for according to the power set-point of the definite corresponding engine of passenger carrying capacity scope come the work(to engine
Rate is controlled；
Wherein, at least two passenger carrying capacity scopes are provided with, different passenger carrying capacity scopes is corresponding with the work(of different engines
Rate set-point.
3. a kind of engine power control device, which is characterized in that including passenger carrying capacity detection module and engine controller, institute
It states engine controller sampling and connects the passenger carrying capacity detection module, the passenger carrying capacity detection module is used to detect vehicle
Actual passenger carrying capacity, the engine controller compare the actual passenger carrying capacity received with the passenger carrying capacity scope set
Compared with, determine the passenger carrying capacity scope residing for the actual passenger carrying capacity, and according to the definite corresponding engine of passenger carrying capacity scope
Power set-point controlled come the power to engine；
Wherein, at least two passenger carrying capacity scopes are provided with, different passenger carrying capacity scopes is corresponding with the work(of different engines
Rate set-point.
4. engine power control device according to claim 3, which is characterized in that the passenger carrying capacity detection module
Number is two, and the first passenger carrying capacity detection module is arranged on the Qian Menchu of vehicle, for detecting the quantity of the passenger to get on the bus, the
Two passenger carrying capacity detection modules are arranged at the back door of vehicle, for detecting the quantity of the passenger to get off.
5. engine power control device according to claim 3, which is characterized in that the control device further includes reset
Switch, engine controller sampling connect the reset switch, and the reset switch is used for engine controller when pressing
In passenger carrying capacity be set to 0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034695.0A CN108071500A (en) | 2016-11-18 | 2016-11-18 | Engine power control method and engine power control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034695.0A CN108071500A (en) | 2016-11-18 | 2016-11-18 | Engine power control method and engine power control device |
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| CN108071500A true CN108071500A (en) | 2018-05-25 |
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ID=62161187
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| CN201611034695.0A Pending CN108071500A (en) | 2016-11-18 | 2016-11-18 | Engine power control method and engine power control device |
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| CN202507940U (en) * | 2012-03-26 | 2012-10-31 | 陕西理工学院 | Passenger car overload intelligent detector based on single chip microcomputer |
| CN103987581A (en) * | 2011-12-12 | 2014-08-13 | 丰田自动车株式会社 | Power consumption prediction device, vehicle control device, vehicle, power consumption prediction method, and vehicle control method |
| CN104343552A (en) * | 2013-08-05 | 2015-02-11 | 上海日野发动机有限公司 | Engine power control system and method |
| US20150367731A1 (en) * | 2013-02-08 | 2015-12-24 | Toyota Jidosha Kabushiki Kaisha | Display device |
-
2016
- 2016-11-18 CN CN201611034695.0A patent/CN108071500A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103987581A (en) * | 2011-12-12 | 2014-08-13 | 丰田自动车株式会社 | Power consumption prediction device, vehicle control device, vehicle, power consumption prediction method, and vehicle control method |
| CN202507940U (en) * | 2012-03-26 | 2012-10-31 | 陕西理工学院 | Passenger car overload intelligent detector based on single chip microcomputer |
| US20150367731A1 (en) * | 2013-02-08 | 2015-12-24 | Toyota Jidosha Kabushiki Kaisha | Display device |
| CN104343552A (en) * | 2013-08-05 | 2015-02-11 | 上海日野发动机有限公司 | Engine power control system and method |
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Application publication date: 20180525 |