WO2008072698A1 - 車両制御方法および車両制御装置 - Google Patents
車両制御方法および車両制御装置 Download PDFInfo
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- WO2008072698A1 WO2008072698A1 PCT/JP2007/074040 JP2007074040W WO2008072698A1 WO 2008072698 A1 WO2008072698 A1 WO 2008072698A1 JP 2007074040 W JP2007074040 W JP 2007074040W WO 2008072698 A1 WO2008072698 A1 WO 2008072698A1
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- Prior art keywords
- request
- duplication
- requests
- vehicle
- control
- Prior art date
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000000446 fuel Substances 0.000 description 51
- 238000002485 combustion reaction Methods 0.000 description 20
- 239000003054 catalyst Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 7
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
- 239000001301 oxygen Substances 0.000 description 4
- 229910052760 oxygen Inorganic materials 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Classifications
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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
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1401—Introducing closed-loop corrections characterised by the control or regulation method
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D45/00—Electrical control not provided for in groups F02D41/00 - F02D43/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/182—Selecting between different operative modes, e.g. comfort and performance modes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/188—Controlling power parameters of the driveline, e.g. determining the required power
- B60W30/1884—Avoiding stall or overspeed of the engine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W50/06—Improving the dynamic response of the control system, e.g. improving the speed of regulation or avoiding hunting or overshoot
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/24—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means
- F02D41/26—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor
- F02D41/263—Electrical control of supply of combustible mixture or its constituents characterised by the use of digital means using computer, e.g. microprocessor the program execution being modifiable by physical parameters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0062—Adapting control system settings
- B60W2050/0075—Automatic parameter input, automatic initialising or calibrating means
- B60W2050/009—Priority selection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
- B60W2050/0062—Adapting control system settings
- B60W2050/0075—Automatic parameter input, automatic initialising or calibrating means
- B60W2050/009—Priority selection
- B60W2050/0091—Priority selection of control inputs
- B60W2050/0093—Priority selection of control inputs of the engine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/12—Timing of calculation, i.e. specific timing aspects when calculation or updating of engine parameter is performed
Definitions
- Vehicle control method and vehicle control apparatus are Vehicle control method and vehicle control apparatus
- the present invention relates to a vehicle control method and a vehicle control device.
- Japanese Laid-Open Patent Publication No. 2004-52769 discloses a vehicle drive unit control method in which at least one output variable of a drive unit is set as a function of a target value setting variable.
- a method of forming a target value considering the order is disclosed (see claim 1 of the same publication).
- Paragraph 0008 of the publication discloses that this method allows any target value setting variable to enter into target value formation.
- the gazette states that the target value setting variable is considered starting from the target value setting variable having the lowest priority (see claim 2 etc. of the gazette). ). As a result, the target value setting variable having the highest priority is guaranteed to be completely converted according to the end (see paragraph 0010 of the publication).
- Patent Document 1 Japanese Unexamined Patent Publication No. 2004-52769
- the present invention has been made to solve the above-described problems, and aims to provide a vehicle control method and a vehicle control device that can reduce the calculation load of the control device. Target.
- the request overlap is sequentially calculated by selecting the requests in order from the higher order of the priorities, if there is no request overlap, the request duplication for the lower priority request is performed. It is characterized in that the control target value is determined by omitting the part calculation process.
- the second invention is the first invention
- a value closest to the last selected request among the last request duplication portions is determined as a control target value.
- the third invention is the first or second invention, wherein
- the priority is set based on the driving state of the vehicle.
- the fourth invention is a vehicle control method
- a request output step for outputting a request from each of three or more control logics having individual purposes for a control amount to be controlled in the vehicle;
- a priority setting step for setting a priority between the three or more requests; and selecting the three or more requests in order from the higher order of the priorities to sequentially calculate a request duplication portion.
- request overlap part calculation for temporarily suspending the request duplication part calculation process for lower priority requests
- the calculation process in the request duplication part calculation step is suspended
- An information transmission step for transmitting information related to the calculation processing result up to the request dissatisfaction control logic, which is a control logic that outputs the selected request when the request duplication portion no longer exists;
- a fifth invention is the fourth invention, wherein
- the request dissatisfaction control logic further includes a request duplication portion calculation restarting step for restarting the calculation processing of the request duplication portion when the request is output with a modified request or the request is withdrawn.
- the control target value is determined by arbitrating those requests.
- a vehicle control device when there are three or more requests with priorities determined for the control amount to be controlled in the vehicle, the control target value is determined by arbitrating those requests.
- a request duplication portion calculation means for sequentially calculating request duplication portions by selecting the requests in order from the higher priority side;
- a determination unit that determines a control target value by causing the request duplication part calculation unit to omit calculation processing of a request duplication part for a request having a lower priority order when the request duplication part no longer exists;
- the seventh invention is the sixth invention, wherein
- the determination means determines, as a control target value, a value closest to the last selected request among the last request duplication portions.
- the eighth invention is the sixth or seventh invention, wherein
- the apparatus further comprises setting means for setting the priority order based on a driving state of the vehicle.
- a ninth invention is a vehicle control device
- Request output means for outputting a request from each of three or more control logics having individual purposes for a control amount to be controlled in the vehicle;
- Priority setting means for setting priority among the three or more requests, and selecting the three or more requests in order from the higher order of the priorities to sequentially calculate a request duplication portion, and request duplication If the part no longer exists, it has a lower priority.
- a request duplication part calculating means for temporarily suspending the request duplication part calculation process for the request of rank;
- An information transmission means for transmitting information related to the calculation processing result of
- Request reconsideration means for causing the request dissatisfaction control logic to output a request whose contents are modified based on the transmitted information or to cancel the request;
- the tenth invention is the ninth invention.
- the request dissatisfaction control logic further includes request duplication portion calculation restarting means for restarting the calculation processing of the request duplication portion when the request has been output or the request is withdrawn.
- the control target value when the control target value is determined by arbitrating three or more requests with priorities determined for the control amount to be controlled in the vehicle, those requests are priorities. Are selected in order from the higher order side, and request overlapping portions are sequentially calculated.
- the request duplication portion no longer exists it is possible to determine the control target value by omitting the process of calculating the request duplication portion for the request having the lower priority order.
- the subsequent processing for calculating the request duplication portion can be omitted. For this reason, the calculation load of the control device can be greatly reduced as compared with the case where the request duplication calculation process is always performed for all requests.
- the target of omission is a request with a lower priority that is not reflected in the control target value. For this reason, even when the omission is performed as described above, the request with the higher priority order is appropriately reflected in the control target value. Therefore, it is possible to accurately determine the control target value while reducing the calculation load of the control device.
- the value closest to the last selected request is determined as the control target value among the last request duplication portions.
- the power to do S it is possible to calculate a control target value with some consideration given to the last selected request, that is, a request that will not be satisfied.
- the priority order can be set based on the driving state of the vehicle. Thereby, the priority order of a plurality of requests can be changed according to the vehicle operating state. As a result, multiple requirements can be satisfied with an optimal balance according to the situation.
- the control target value is determined by arbitrating three or more requests with priorities determined for the control amount to be controlled in the vehicle, those requests are priorities. Are selected in order from the higher order side, and request overlapping portions are sequentially calculated. If the request duplication part no longer exists, the request duplication part calculation process for the lower priority request is suspended, and the request that is the control logic that outputs the request without the request duplication part Information about the calculation processing results up to that point can be transmitted to the dissatisfied control logic. Then, it is possible to output to the request dissatisfaction control logic a request whose contents are modified based on the transmitted information, or to cancel the request. For this reason, a request with a lower priority than a request that does not have a duplicated request can be reflected in the control target value, and the power S can be determined with a more accurate control target value.
- the request dissatisfaction control logic when the request dissatisfaction control logic outputs a request whose contents have been modified or cancels the request, it is possible to restart the calculation process of the request duplication portion. For this reason, since it is possible to arbitrate even for requests with lower priority than requests that do not have a duplicated requirement, these requests can be satisfied and a more accurate control target can be determined. Touch with power.
- the control target value is determined by arbitrating three or more requests with priorities determined for the control amount to be controlled in the vehicle, those requests are priorities. Are selected in order from the higher order side, and request overlapping portions are sequentially calculated.
- the request duplication portion no longer exists, it is possible to determine the control target value by omitting the process of calculating the request duplication portion for the request having the lower priority order. This Thus, when the request duplication portion no longer exists, the subsequent processing for calculating the request duplication portion can be omitted. For this reason, the calculation load of the control device can be greatly reduced as compared with the case where the request duplication calculation process is always performed for all requests.
- the target of omission is a request with a lower priority that is not reflected in the control target value. For this reason, even when the omission is performed as described above, the request with the higher priority order is appropriately reflected in the control target value. Therefore, it is possible to accurately determine the control target value while reducing the calculation load of the control device.
- the seventh invention when the request duplication portion no longer exists, the value closest to the last selected request is determined as the control target value among the last request duplication portions.
- the power to do S As a result, it is possible to calculate a control target value with some consideration given to the last selected request, that is, a request that will not be satisfied.
- the priority order can be set based on the driving state of the vehicle. Thereby, the priority order of a plurality of requests can be changed according to the vehicle operating state. As a result, multiple requirements can be satisfied with an optimal balance according to the situation.
- the ninth invention when the control target value is determined by arbitrating three or more requests with priorities determined for the control amount to be controlled in the vehicle, those requests are priorities. Are selected in order from the higher order side, and request overlapping portions are sequentially calculated. If the request duplication part no longer exists, the request duplication part calculation process for the lower priority request is suspended, and the request that is the control logic that outputs the request without the request duplication part Information about the calculation processing results up to that point can be transmitted to the dissatisfied control logic. Then, it is possible to output to the request dissatisfaction control logic a request whose contents are modified based on the transmitted information, or to cancel the request. For this reason, a request with a lower priority than a request that does not have a duplicated request can be reflected in the control target value, and the power S can be determined with a more accurate control target value.
- the request dissatisfaction control logic outputs a request whose contents are modified.
- the calculation process for the request overlap can be resumed. For this reason, since it is possible to arbitrate requests with a lower priority than requests that do not have a duplicated request, it is possible to satisfy those requests and to determine a more accurate control target value. it can.
- FIG. 1 is a diagram for explaining a system configuration according to a first embodiment of the present invention.
- FIG. 2 is a functional block diagram when the ECU controls the air-fuel ratio of the internal combustion engine in the first embodiment of the present invention.
- FIG. 3 is a diagram for explaining a method in which the arbitration unit arbitrates a plurality of requests and determines a target air-fuel ratio in the first embodiment of the present invention.
- FIG. 4 is a flowchart of a routine executed in Embodiment 1 of the present invention.
- FIG. 5 is a diagram for explaining a method in which an arbitration unit arbitrates a plurality of requests to determine a target air-fuel ratio in Embodiment 2 of the present invention.
- FIG. 6 is a flowchart of a routine executed in the second embodiment of the present invention. Explanation of symbols
- FIG. 1 is a diagram for explaining a system configuration according to the first embodiment of the present invention.
- the system of this embodiment includes an internal combustion engine 10.
- the internal combustion engine 10 is assumed to be a power source for vehicles (automobiles)!
- the vehicle may be a normal vehicle using only the internal combustion engine 10 as a power source, or a hybrid vehicle using another power source such as an electric motor.
- the number of cylinders and the cylinder arrangement of the internal combustion engine 10 are not particularly limited.
- An air flow meter 16 that detects the intake air amount GA is disposed in the intake passage 12.
- a throttle valve 18 is disposed downstream of the air flow meter 16.
- the throttle valve 18 is an electronically controlled valve that is driven by a throttle motor 20 based on an accelerator opening or the like.
- a throttle position sensor 22 for detecting the opening degree is arranged in the vicinity of the throttle valve 18.
- the accelerator opening is detected by an accelerator position sensor 24 provided in the vicinity of the accelerator pedal.
- a fuel indicator 26 for injecting fuel into the intake port 11 is disposed in the cylinder of the internal combustion engine 10.
- the internal combustion engine 10 is not limited to the port injection type as shown in the figure, but also uses a direct injection type that directly injects fuel into the cylinder, or a combination of port injection and in-cylinder injection. It may be a thing.
- the cylinder of the internal combustion engine 10 is further provided with an intake valve 28, a spark plug 30, and an exhaust valve 32! /.
- the internal combustion engine 10 is not limited to a spark ignition type as shown in the figure, but may be a compression ignition type.
- a crank angle sensor 38 for detecting the rotation angle of the crankshaft 36 is attached in the vicinity of the crankshaft 36 of the internal combustion engine 10. According to the output of the crank angle sensor 38, it is possible to detect the rotational position of the crankshaft 36, the engine speed NE (engine speed), etc.
- a catalyst 40 for purifying exhaust gas is provided in the middle of the exhaust passage 14 of the internal combustion engine 10.
- the type of the catalyst 40 is not particularly limited, and may be any one such as a three-way catalyst, an occlusion reduction type NO X catalyst, a selective reduction type NOx catalyst, an oxidation catalyst, and the like.
- other catalysts are arranged upstream or downstream of the catalyst 40! /.
- An oxygen sensor 42 is installed in the exhaust passage 14 on the outlet side (downstream side) of the catalyst 40.
- the oxygen sensor 42 generates an output that suddenly changes depending on whether the exhaust air-fuel ratio at the outlet of the catalyst 40 is richer than the stoichiometric air-fuel ratio.
- the oxygen sensor 42 may emit an output that changes linearly according to the exhaust air-fuel ratio at the outlet of the catalyst 40.
- the system of the present embodiment further includes an ECU (Electronic Control Unit) 50! /.
- ECU Electronic Control Unit
- the above-described various sensors and actuators are connected to the ECU 50.
- the ECU 50 controls the operating state of the internal combustion engine 10 based on those sensor outputs.
- FIG. 2 is a functional block diagram when the ECU 50 controls the air-fuel ratio of the internal combustion engine 10.
- the ECU 50 has a plurality of control logics (or control units and control modules) that issue requests for the same physical quantity (here, the air-fuel ratio) from various viewpoints (purposes). Yes.
- emission control logic 52 that issues a request for air-fuel ratio from the viewpoint of emission reduction
- drivability control logic 54 that issues a request for air-fuel ratio from the viewpoint of improving drivability
- low fuel consumption The fuel efficiency control logic 56 that issues a request for the air-fuel ratio from the viewpoint of reduction
- the engine protection control logic 58 that issues a request for the air-fuel ratio from the viewpoint of preventing damage to the main body of the internal combustion engine 10, the catalyst 40, etc.
- each control logic is not limited to a configuration realized by a common ECU 50, and each control logic may be realized by an individual ECU.
- the requests generated by the control logic forces are collected in the arbitration unit 62. Priorities are assigned to these requests based on the driving state (driving mode) of the vehicle. Specifically, the ECU 50 has various operation modes such as an emission priority mode, a drivability priority mode, and a fuel efficiency priority mode, and one of these operation modes is selected according to the vehicle driving state.
- driving mode driving mode
- the ECU 50 has various operation modes such as an emission priority mode, a drivability priority mode, and a fuel efficiency priority mode, and one of these operation modes is selected according to the vehicle driving state.
- the "vehicle operating state” may correspond to, for example, when the internal combustion engine 10 is started, cold, steady operation, transient operation, idle, light load, high load, etc. Or it can be made to correspond to driving modes, such as sports mode and economy mode, which are selected by the operation of the driver.
- the priority given to the request from each control logic differs according to each operation mode. For example, in the emission priority mode, (1) emission, (2) fuel consumption, (3) drivability, (4) engine protection, and (5) OBD are in order of priority. In (1) drivability, (2) fuel consumption, (3) emission, (4) engine protection, and (5) OBD in this order.
- the arbitration unit 62 finally determines the target air-fuel ratio (control target value) by arbitrating the request for the air-fuel ratio generated by each control logic force in accordance with the priority order as described above. The Then, the target value conversion unit 64 converts the target air-fuel ratio finally determined by the arbitration unit 62 into an instruction value for the actuator necessary for realizing the target air-fuel ratio.
- the instruction values to the actuator are the fuel injection amount from the fuel injector 26 and the opening degree of the throttle valve 18.
- the actuator controller 66 controls the operation of the fuel injector 26 and the throttle valve 18 so that the fuel injection amount and the throttle opening calculated by the target value converter 64 are realized.
- FIG. 3 is a diagram for explaining a method in which the arbitrating unit 62 determines a target air-fuel ratio by arbitrating a plurality of requests.
- request (1) to request (5) are shown in descending order of priority.
- the arbitration unit 62 considers requests in descending order of priority. That is, first, the request (1) and the request (2) are considered, and a request overlap portion in which the range of the request (1) and the range of the request (2) overlap is calculated. For example, if the range of request (1) is 12 or more and 15 or less and the range of request (2) is 11 or more and 14 or less, the overlapping portion of requests is 12 or more and 14 or less.
- the target air-fuel ratio is determined as follows.
- the request duplication part up to request (2) has a higher priority.
- the eye from among the duplicate requests Determine the air-fuel ratio.
- the value closest to the range of the request (3) (the value indicated by the white circle in Fig. 3) among the duplicated requests up to the request (2) is the final value.
- the target air-fuel ratio is set.
- the request duplication portion up to the request (2) and the force where no duplication portion exists between the request (3) The target air-fuel ratio is determined by omitting the comparison with the request (in the case of Fig. 3, request (4) and request (5)) and the calculation process of the request overlap. Thereby, the calculation load of the ECU 50 can be reduced by the omitted processing.
- FIG. 4 is a flowchart of the noretin executed by the ECU 50 in the present embodiment in order to realize the above function. This routine is repeatedly executed every predetermined time or every cycle of the internal combustion engine 10.
- step 100 the control logic forces and the demands for the air-fuel ratio generated from each control logic are collected (step 100).
- Step 102 it is determined which of the various operation modes described above is currently selected, and priority is given to the requests aggregated in step 100 based on the operation mode (Ste 102).
- Step 104 In the first case, since no request is selected, the determination in step 104 is affirmed. If the determination in step 104 is affirmative, the request with the highest priority among the unselected requests is then selected (step 106). In the first case, the request with the highest priority, ie, request (1) in FIG. 3 is selected.
- a request duplication portion is calculated (step 108). If request (1) is selected in step 106 above! /, The range of request (1) is still required. It is considered as a duplicate part. Next, it is determined whether or not there is a request duplication portion (step 110), and if it exists, the processing from step 104 onward is performed again.
- step 104 When the processing subsequent to step 104 is performed for the second time, specifically, the determination in step 104 is affirmed, and in step 106, request (2) is selected.
- Step 108 the overlap between the previous request overlap (in this case, the same as the range of request (1)) and the newly selected request (2) overlapped with partial force S, and the new request overlap is calculated. Is done.
- step 110 it is determined whether or not the new request duplication portion exists. If it exists, the processing in step 104 and subsequent steps is performed again.
- step 110 the processes of steps 104 to 110 are repeated.
- the request overlap portion that existed last is compared with a predetermined reference value (for example, the theoretical air-fuel ratio) (step 112), and then the target air-fuel ratio is calculated as a result of arbitration (step 114).
- a predetermined reference value for example, the theoretical air-fuel ratio
- step 106 when request (3) is selected in step 106, in subsequent step 108, request duplication up to request (2), request (3), The overlapping part is calculated as a new request overlapping part. In this case, since this new request duplication part does not exist, the judgment of the following step 110 is denied. Then, in step 114, the request overlap portion that exists at the end, that is, the request overlap portion up to request (2), is closest to the range of request (3) and the value is determined as the target air-fuel ratio.
- the request overlap portion remains even after considering all the aggregated requests.
- the determination at step 104 is denied, and the processing after step 112 is performed.
- the remaining demand overlap portion is compared with the reference value (step 112), and if the reference value is within the request overlap portion, the reference value is determined as the target air-fuel ratio (step 114).
- the reference value enters the required overlap portion it is determined as the target air-fuel ratio the closest ratio to the reference value in the request overlap portion.
- the control amount targeted by the present invention is not limited to this.
- the present invention covers various control amounts to be controlled by the vehicle such as the torque of the internal combustion engine 10, the ignition timing, and the torque of the drive wheels of the vehicle, in addition to the air-fuel ratio. It is possible to apply as
- the "required overlap portion calculating means" in the sixth aspect of the present invention is performed by executing the processing of the ECU 50 force in steps 104, 106 and 108 described above.
- the “determination means” 1S in the sixth invention is realized! /, Respectively.
- the force S is realized by causing the ECU 50 to execute a routine shown in FIG. 6 to be described later using a system configuration similar to that shown in FIGS.
- FIG. 5 shows that in the present embodiment, the arbitration unit 62 arbitrates a plurality of requests to determine a target air-fuel ratio. It is a figure for demonstrating the method to fix.
- the same requests (1) to (5) as in FIG. 3 are issued, and they are sequentially selected in descending order of priority, and the request duplication portions are calculated sequentially.
- control logic that outputs the request (3) cancels its own request when reconsidering the request.
- control logic that outputs request (4) maintains its own request without modification.
- control logic that outputs request (5) is also maintained as it is without modifying its own request!
- the arbitrating unit 62 resumes the request duplication calculation process.
- the request duplication part up to request (2) and the request duplication part with request (4) are calculated, and the request duplication part is further calculated.
- the demand overlap part of the demand (5) is calculated, and the final target air-fuel ratio (star in FIG. 5) is determined from the last demand overlap part.
- the calculation process of the request overlap portion is restarted to obtain a more appropriate mediation result.
- Ability to do S That is, as shown in FIG. 5, the mediation result of the present embodiment (star symbol in FIG. 5) satisfies the request (4) that the mediation result of Embodiment 1 (white circle in FIG. 5) is not satisfied. Is even more satisfied. For this reason, it can be said that it is a more appropriate mediation result.
- control logic that has output the request (3) has the ability to withdraw the request when reconsidering the request.
- the content has been modified, not limited to the withdrawal of the request.
- the request may be output again.
- FIG. 6 is a flowchart of the noretin executed by the ECU 50 in the present embodiment in order to realize the above function. According to the routine shown in FIG. 6, first, the requests for the control logic force and the generated air-fuel ratio are aggregated, and then the priority is given to the aggregated requests based on the operation mode ( Step 120).
- request arbitration is executed in accordance with the priority order (step 122).
- this step 122 one request having the highest priority is selected from the unarbitrated requests, and the process proceeds to the next step 124.
- step 124 it is determined whether or not there is a request duplication portion. If there is a request duplication portion, the processing in step 122 and subsequent steps is executed again.
- the arbitration result is determined (step 126).
- the mediation result is the closest value to the duplicate request and the requested request among the last duplicate requests. If each request includes a reference value, the reference value is the mediation result.
- Non-arbitration request here includes a request for which there was no duplicate request after arbitration.
- step 1208 If there is no request for arbitration in step 128, the current execution of this routine is terminated. On the other hand, if there is an unarbitration request in step 128, the information on the arbitration result calculated in step 126 is transmitted to each control logic that is the source of the unarbitration request (step 130). ). Each of these control logics modifies the request based on the received arbitration result information and re-sends the request, or cancels the request (step by step). Pp 132). Thereafter, the processing from step 120 onward is executed again, and the arbitration processing is resumed.
- the information transmitted in step 130 may be an arbitration result indicated by a white circle in the example of FIG. 5, or may be a request overlapping part up to request (2). Also, in step 130 above, the request for which there was no request duplication (request (3) in FIG. 5), and the request with a lower priority (request (4) and The mediation result information is also transmitted to (5)), but it is good to transmit the mediation result information only to requests for which there is no duplicate request.
- the ECU 50 force executes the process of step 120 described above, whereby the “request output means” and the “priority order setting means” in the ninth invention perform the process of step 122 described above.
- the “request duplication portion calculating means” in the ninth invention executes the processing in step 130, and the “information transmitting means” in the ninth invention performs the processing in step 132.
- the “request reconsideration means” in the ninth invention through the loop from the above step 132 to the above step 120, the above step 122 is executed again.
- the “partial calculation restarting means” is realized.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Transportation (AREA)
- Human Computer Interaction (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07850560.9A EP2093405A4 (en) | 2006-12-14 | 2007-12-13 | Vehicle control method and vehicle control device |
CN200780012558XA CN101421502B (zh) | 2006-12-14 | 2007-12-13 | 车辆控制方法和车辆控制装置 |
US12/223,912 US20100211246A1 (en) | 2006-12-14 | 2007-12-13 | Vehicle Control Method and Vehicle Control Apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006336563 | 2006-12-14 | ||
JP2006-336563 | 2006-12-14 | ||
JP2007-127172 | 2007-05-11 | ||
JP2007127172A JP4702322B2 (ja) | 2006-12-14 | 2007-05-11 | 内燃機関の制御装置 |
Publications (1)
Publication Number | Publication Date |
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WO2008072698A1 true WO2008072698A1 (ja) | 2008-06-19 |
Family
ID=39511714
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2007/074040 WO2008072698A1 (ja) | 2006-12-14 | 2007-12-13 | 車両制御方法および車両制御装置 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20100211246A1 (ja) |
EP (1) | EP2093405A4 (ja) |
JP (1) | JP4702322B2 (ja) |
KR (1) | KR101017552B1 (ja) |
CN (1) | CN101421502B (ja) |
WO (1) | WO2008072698A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1827437B1 (en) | 2004-12-15 | 2011-11-02 | Novartis AG | Combinations of therapeutic agents for treating cancer |
KR20090126619A (ko) * | 2008-06-04 | 2009-12-09 | 현대자동차주식회사 | 차량의 씨 디 에이 장치 진단시스템 및 그 방법 |
CN102686861B (zh) | 2010-01-14 | 2015-03-18 | 丰田自动车株式会社 | 内燃机的控制装置 |
WO2011104844A1 (ja) * | 2010-02-25 | 2011-09-01 | トヨタ自動車株式会社 | 内燃機関の制御装置 |
CN105163989B (zh) | 2013-04-30 | 2018-05-08 | 日产自动车株式会社 | 车辆控制装置及车辆控制方法 |
KR102504469B1 (ko) * | 2017-12-14 | 2023-02-28 | 현대자동차주식회사 | 차량, 허브장치 및 이를 포함하는 통신 시스템 |
Citations (3)
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JPH1037771A (ja) * | 1996-07-23 | 1998-02-10 | Unisia Jecs Corp | エンジンのスロットル開度制御装置 |
JP2004052769A (ja) | 2002-07-19 | 2004-02-19 | Robert Bosch Gmbh | 車両駆動ユニットの制御方法 |
JP2005215891A (ja) * | 2004-01-28 | 2005-08-11 | Denso Corp | エンジン制御装置、エンジン制御装置のキャッシュの制御方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19850586A1 (de) * | 1998-11-03 | 2000-05-04 | Bosch Gmbh Robert | Verfahren zum Betreiben einer Brennkraftmaschine |
JP2001111559A (ja) * | 1999-10-05 | 2001-04-20 | Denso Corp | 通信調停システム |
DE10025493B4 (de) * | 2000-05-23 | 2008-05-29 | Daimler Ag | Verfahren und Vorrichtung zur Koordination mehrerer Fahrsystemeinrichtungen eines Fahrzeugs |
DE10043375A1 (de) * | 2000-09-02 | 2002-03-14 | Bosch Gmbh Robert | Verfahren zur Aufheizung eines Katalysators bei Verbrennungsmotoren mit Benzindirekteinspritzung |
-
2007
- 2007-05-11 JP JP2007127172A patent/JP4702322B2/ja not_active Expired - Fee Related
- 2007-12-13 WO PCT/JP2007/074040 patent/WO2008072698A1/ja active Application Filing
- 2007-12-13 EP EP07850560.9A patent/EP2093405A4/en not_active Withdrawn
- 2007-12-13 CN CN200780012558XA patent/CN101421502B/zh not_active Expired - Fee Related
- 2007-12-13 KR KR1020087023585A patent/KR101017552B1/ko not_active IP Right Cessation
- 2007-12-13 US US12/223,912 patent/US20100211246A1/en not_active Abandoned
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1037771A (ja) * | 1996-07-23 | 1998-02-10 | Unisia Jecs Corp | エンジンのスロットル開度制御装置 |
JP2004052769A (ja) | 2002-07-19 | 2004-02-19 | Robert Bosch Gmbh | 車両駆動ユニットの制御方法 |
JP2005215891A (ja) * | 2004-01-28 | 2005-08-11 | Denso Corp | エンジン制御装置、エンジン制御装置のキャッシュの制御方法 |
Non-Patent Citations (1)
Title |
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See also references of EP2093405A4 * |
Also Published As
Publication number | Publication date |
---|---|
KR101017552B1 (ko) | 2011-02-28 |
US20100211246A1 (en) | 2010-08-19 |
CN101421502A (zh) | 2009-04-29 |
JP4702322B2 (ja) | 2011-06-15 |
EP2093405A1 (en) | 2009-08-26 |
CN101421502B (zh) | 2011-08-03 |
KR20080113382A (ko) | 2008-12-30 |
EP2093405A4 (en) | 2017-05-24 |
JP2008169825A (ja) | 2008-07-24 |
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