CN112172780A - Vehicle instrument display virtual engine speed control system and method - Google Patents
Vehicle instrument display virtual engine speed control system and method Download PDFInfo
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- CN112172780A CN112172780A CN202011058681.9A CN202011058681A CN112172780A CN 112172780 A CN112172780 A CN 112172780A CN 202011058681 A CN202011058681 A CN 202011058681A CN 112172780 A CN112172780 A CN 112172780A
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- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
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- 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
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
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- 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
- B60W50/08—Interaction between the driver and the control system
- B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
- B60W2050/146—Display means
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0604—Throttle position
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/06—Combustion engines, Gas turbines
- B60W2510/0638—Engine speed
- B60W2510/0652—Speed change rate
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/1005—Transmission ratio engaged
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/1015—Input shaft speed, e.g. turbine speed
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- 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
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/1025—Input torque
Abstract
The invention discloses a method for controlling the rotating speed of a virtual engine displayed by a vehicle instrument.A controller of an engine management system sends a virtual rotating speed signal to a CAN bus according to the gear-up and gear-down conditions of a transmission controller, and the instrument controller receives the virtual rotating speed signal from the CAN bus and displays the virtual rotating speed signal through an instrument pointer. The invention also provides a vehicle instrument display virtual engine speed control system. According to the method and the system, the engine management system controller outputs a more moving virtual rotating speed for instrument pointer display in the power up-down and down-shift processes of the vehicle, so that the instrument moving visual effect is achieved.
Description
Technical Field
The invention relates to the technical field of engine control, in particular to a system and a method for controlling the rotating speed of a virtual engine displayed by a vehicle instrument.
Background
At present, engine rotating speeds displayed by vehicle instruments are received through hard wires or buses, real-time engine rotating speeds are displayed really, a driver has operations of accelerating, decelerating and corresponding downshifting and upshifting in the process of driving a vehicle, and real changes of the engine rotating speeds are displayed on the instruments. However, for a person who pursues pleasant driving, the real rotation speed displayed by the meter rotation speed display pointer is too dead, and it is desirable that the engine rotation speed respectively has inflection points of deceleration and acceleration along with the occurrence of power upshift and power downshift events, and the rotation speed display pointer on the meter displays slightly exaggerated display of the inflection points, so that the driver can visually feel the gear shifting process to achieve the effects of movement and pleasure.
Disclosure of Invention
The invention aims to provide a vehicle instrument display virtual engine rotating speed control system and a vehicle instrument display virtual engine rotating speed control method.
In order to achieve the above object, the present invention provides a method for controlling a vehicle instrument display virtual engine speed, comprising the steps of:
(S1) the engine management system controller acquires vehicle state data in real time, wherein the vehicle state data comprise the opening degree of an accelerator pedal, a target gear, an actual gear, the state of a gear shifting zone bit, the torque request of a transmission, the change state of the engine speed and speed, the turbine speed of the transmission and the engine speed;
(S2) the engine management system controller determining whether a power upshift or power downshift entering condition is satisfied according to the vehicle state data, executing the step (S3) if the power upshift is satisfied, and executing the step (S5) if the power downshift is satisfied; if neither the power upshift nor the power downshift is satisfied, repeatedly executing the step (S2);
(S3) the engine management system controller calculates and outputs a virtual rotation speed, the virtual rotation speed increases with the increase of the actual rotation speed, and the virtual rotation speed is greater than or equal to the actual rotation speed, the meter controller receives the virtual rotation speed and controls the meter pointer to display, and executes the step (S4);
(S4) the engine management system controller judges whether the power upshift exit condition is met according to the vehicle state data, if yes, the virtual rotating speed keeps the original growth trend in a preset delay time period at the turning point of the actual rotating speed, the instrument pointer is displayed according to the virtual rotating speed, after the delay time is reached, the virtual rotating speed is controlled to be gradually reduced to be equal to the actual rotating speed, the calculation of the power upshift virtual rotating speed is exited, the engine management system controller outputs the actual rotating speed, the instrument controller receives the actual rotating speed and controls the instrument pointer to display, and the process is ended; otherwise, repeating the step (S4);
(S5) the engine management system controller calculating and outputting a virtual rotation speed, the virtual rotation speed decreasing with a decrease in the actual rotation speed, and the virtual rotation speed being less than or equal to the actual rotation speed, the meter controller receiving the virtual rotation speed and controlling a meter pointer to display, and performing the step (S6);
(S6) the engine management system controller judges whether the power downshift exit condition is met according to the vehicle state data, if yes, the virtual rotating speed still keeps the original decreasing trend in the preset delay time period at the turning point of the actual rotating speed, the instrument pointer is displayed according to the virtual rotating speed, after the delay time is reached, the virtual rotating speed is controlled to be gradually increased to be equal to the actual rotating speed, the calculation of the power downshift virtual rotating speed is exited, the engine management system controller outputs the actual rotating speed, the instrument controller receives the actual rotating speed and controls the instrument pointer to display, and the process is ended; otherwise, the step (S6) is repeatedly performed.
Further, if the power upshift entry condition is satisfied, the vehicle state data simultaneously satisfies the following conditions: the opening degree of the accelerator pedal is greater than a first opening degree calibration value of the accelerator pedal; the target gear is larger than the actual gear; the engine speed reduction rate is greater than a first speed calibration value; the transmission controller torque request is torque down; the shift bit flag is active during a shift of the transmission.
Further, if the power upshift exit condition is satisfied, the vehicle state data should satisfy any of the following conditions: the opening degree of the accelerator pedal is less than or equal to a second opening degree calibration value of the accelerator pedal; the target gear is equal to the actual gear; the difference between the virtual speed and the transmission turbine speed is less than a first speed difference calibration value.
Further, if the power downshift entering condition is satisfied, the vehicle state data needs to satisfy the following conditions at the same time: the opening degree of the accelerator pedal is greater than a second opening degree calibration value of the accelerator pedal; the target gear is smaller than the actual gear; the transmission is in a gear shifting period, and the gear shifting flag is activated; the transmission controller torque request is a torque down.
Further, if the power downshift exit condition is satisfied, the vehicle state data needs to satisfy any one of the following conditions: the opening degree of the accelerator pedal is less than or equal to a third accelerator pedal opening degree calibration value; the target gear is equal to the actual gear; the difference between the current actual rotating speed and the rotating speed of the last sampling period is larger than the difference value of the second rotating speed within a preset time period.
Further, the virtual rotating speed is equal to the actual rotating speed multiplied by a first calibration multiple, if the virtual rotating speed is a power upshift, the first calibration multiple is larger than or equal to 1, and if the virtual rotating speed is a power downshift, the first calibration multiple is smaller than or equal to 1.
The present invention also provides a vehicle instrument display virtual engine speed control system that executes the vehicle instrument display virtual engine speed control method according to any one of claims 1 to 6, characterized by comprising:
an engine management system controller;
a transmission controller;
an instrument controller;
the engine management system controller, the transmission controller and the instrument controller are all connected with a vehicle CAN bus; the engine management system controller sends a virtual rotating speed signal to the CAN bus according to the gear-up and gear-down conditions of the transmission controller, and the instrument controller receives the virtual rotating speed signal from the CAN bus and displays the virtual rotating speed signal through an instrument pointer.
Further, the range of the virtual rotating speed is 0-8000 rpm.
Compared with the prior art, the invention has the following advantages:
according to the vehicle instrument display virtual engine speed control system and method, in the vehicle driving process, whether a manual transmission or an automatic transmission is adopted, the change of gears generally accompanies the change of the inflection point of the engine speed, and the change of the inflection point of the engine speed is treated in a virtual mode in the power upshift and downshift processes of a vehicle, so that the instrument pointer is displayed in an exaggerated mode, and the moving visual effect is achieved.
Drawings
FIG. 1 is a schematic diagram of a vehicle instrument showing a virtual engine speed control method according to the present invention;
FIG. 2 is a schematic structural diagram of an operation curve of stepping on the accelerator to upshift virtual rotating speed and actual rotating speed;
FIG. 3 is a schematic structural diagram of operating curves of stepping on the accelerator to downshift the virtual rotating speed and the actual rotating speed;
FIG. 4 is a schematic diagram of a vehicle instrument display virtual engine speed control system according to the present invention.
In the figure:
1-an engine management system controller; 2-a transmission controller; and 3-instrument controller.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1 to 3, the present embodiment discloses a vehicle meter display virtual engine speed control method, including the following steps:
(S1) the engine management system controller 1 acquiring vehicle state data in real time, the vehicle state data including an accelerator pedal opening, a target gear, an actual gear, a shift flag state, a torque request of a transmission, an engine speed rate change state, a transmission turbine speed and an engine speed;
(S2) the engine management system controller 1 judging whether a power upshift or a power downshift entering condition is satisfied according to the vehicle state data, executing the step (S3) if the power upshift is satisfied, and executing the step (S5) if the power downshift is satisfied; if neither the power upshift nor the power downshift is satisfied, repeatedly executing the step (S2);
(S3) the engine management system controller 1 calculates and outputs a virtual rotation speed, the virtual rotation speed increases with an increase of the actual rotation speed, and the virtual rotation speed is greater than or equal to the actual rotation speed, the meter controller 3 receives the virtual rotation speed and controls the meter pointer to display according to the virtual rotation speed, and executes the step (S4);
(S4) the engine management system controller 1 judges whether a power upshift exit condition is met according to vehicle state data, if yes, at an inflection point of the actual rotating speed, the virtual rotating speed keeps an original growth trend within a preset delay time period, the instrument pointer is displayed according to the virtual rotating speed, after the delay time is reached, the virtual rotating speed is controlled to be gradually reduced to be equal to the actual rotating speed, the calculation of the power upshift virtual rotating speed is exited, the engine management system controller 1 outputs the actual rotating speed, the instrument controller 3 receives the actual rotating speed and controls the instrument pointer to display, and the process is ended; otherwise, repeating the step (S4);
(S5) the engine management system controller 1 calculating and outputting a virtual rotation speed, the virtual rotation speed decreasing with a decrease in the actual rotation speed, and the virtual rotation speed being less than or equal to the actual rotation speed, the meter controller 3 receiving the virtual rotation speed and controlling the meter pointer display, and performing the step (S6);
(S6) the engine management system controller 1 judges whether the power downshift exit condition is met according to the vehicle state data, if yes, the virtual rotating speed still keeps the original decreasing trend in the preset delay time period at the inflection point of the actual rotating speed, the meter pointer is displayed according to the virtual rotating speed, after the delay time is reached, the virtual rotating speed is controlled to be gradually increased to be equal to the actual rotating speed, the calculation of the power downshift virtual rotating speed is exited, the engine management system controller 1 outputs the actual rotating speed, the meter controller 3 receives the actual rotating speed and controls the meter pointer to display, and the process is ended; otherwise, the step (S6) is repeatedly performed. During starting and driving of the vehicle, the calculation of the virtual rotational speed is only effective during power upshifts and power downshifts, i.e. when the shift flag is active.
Referring to fig. 2, power upshift: during the gear shifting process of a driving vehicle, when the entering condition is met, the actual engine rotating speed is reduced according to a certain slope, the virtual rotating speed changes along with the actual rotating speed, the virtual rotating speed is delayed properly to follow the actual rotating speed at the inflection point of the actual rotating speed, and after the exiting condition is met, the virtual rotating speed is increased to be equal to the actual rotating speed according to a second calibration slope.
Referring to fig. 3, power downshifts: in the process of shifting gears of a driving vehicle, when an entering condition is met, the actual engine rotating speed is increased according to a certain slope, the virtual rotating speed is changed along with the actual rotating speed, the virtual rotating speed is delayed properly to follow the actual rotating speed at the inflection point of the actual rotating speed, and after an exiting condition is met, the virtual rotating speed is reduced to be close to the actual rotating speed according to a third calibration slope and finally equal to the actual rotating speed.
In this embodiment, if the power upshift entering condition is satisfied, the vehicle state data simultaneously satisfies the following conditions: the opening degree of the accelerator pedal is greater than a first opening degree calibration value of the accelerator pedal; the target gear is larger than the actual gear; the engine speed reduction rate is greater than a first speed calibration value; the transmission controller torque request is torque down; the shift bit flag is active during a shift of the transmission.
In this embodiment, if the power upshift exit condition is satisfied, the vehicle state data should satisfy any of the following conditions: the opening degree of the accelerator pedal is less than or equal to a second opening degree calibration value of the accelerator pedal; the target gear is equal to the actual gear; the difference between the virtual speed and the transmission turbine speed is less than a first speed difference calibration value.
In the present embodiment, if the power downshift entering condition is satisfied, the vehicle state data simultaneously satisfies the following condition: the opening degree of the accelerator pedal is greater than a second opening degree calibration value of the accelerator pedal; the target gear is smaller than the actual gear; the transmission is in a gear shifting period, and the gear shifting flag is activated; the transmission controller torque request is a torque down.
In this embodiment, if the power downshift exit condition is satisfied, the vehicle state data needs to satisfy any one of the following conditions: the opening degree of the accelerator pedal is less than or equal to a third accelerator pedal opening degree calibration value; the target gear is equal to the actual gear; the difference between the current actual rotating speed and the rotating speed of the last sampling period is larger than the difference value of the second rotating speed within a preset time period.
In this embodiment, the virtual rotation speed is equal to the actual rotation speed multiplied by a first calibration multiple, and if the virtual rotation speed is a power upshift, the first calibration multiple is greater than or equal to 1, and if the virtual rotation speed is a power downshift, the first calibration multiple is less than or equal to 1. The first calibration multiple is a first calibration multiple calculated from the target gear as the input one-dimensional MAP.
Referring to fig. 4, the present embodiment further discloses a vehicle meter display virtual engine speed control system, which executes the vehicle meter display virtual engine speed control method of the claims, and comprises:
an engine management system controller 1;
a transmission controller 2;
a meter controller 3;
the engine management system controller 1, the transmission controller 2, the transmission controller 3 and the instrument controller 3 are all connected with a vehicle CAN bus; the engine management system controller 1 sends a virtual rotating speed signal to the CAN bus according to the gear-up and gear-down conditions of the transmission controller 3, and the instrument controller 3 receives the virtual rotating speed signal from the CAN bus and displays the virtual rotating speed signal through an instrument pointer. The vehicle turns on the ignition switch to turn off the ignition switch, for example, an engine is started, a rotating speed signal is output and sent to a vehicle CAN bus through an engine management controller, the transmitting period of the rotating speed display signal meets the requirement of instrument display, and after the instrument controller receives the rotating speed signal sent by an engine management system, the rotating speed signal is converted into the conversion angle of an instrument pointer so as to display the change condition of the rotating speed of the engine in real time.
In this embodiment, the range of the virtual rotation speed is 0 to 8000 rpm. The range of the virtual rotational speed depends heavily on the actual rotational speed of the engine and the target gear. In other embodiments, the virtual speed may be calibrated to other speed range values.
According to the vehicle instrument display virtual engine speed control system and method, in the vehicle driving process, whether a manual transmission or an automatic transmission is adopted, the change of gears generally accompanies the change of the inflection point of the engine speed, and the change of the inflection point of the engine speed is treated in a virtual mode in the power upshift and downshift processes of a vehicle, so that the instrument pointer is displayed in an exaggerated mode, and the moving visual effect is achieved.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A vehicle instrument display virtual engine speed control method is characterized by comprising the following steps:
(S1) the engine management system controller (1) acquires vehicle state data in real time, wherein the vehicle state data comprise an accelerator pedal opening degree, a target gear, an actual gear, a gear shifting zone bit state, a torque request of a transmission, an engine speed rate change state, a transmission turbine speed and an engine speed;
(S2) the engine management system controller (1) determining whether a power upshift or power downshift entering condition is satisfied according to the vehicle state data, if the power upshift is satisfied, executing the step (S3), and if the power downshift is satisfied, executing the step (S5); if neither the power upshift nor the power downshift is satisfied, repeatedly executing the step (S2);
(S3) the engine management system controller (1) calculating and outputting a virtual rotation speed, the virtual rotation speed increasing with the increase of the actual rotation speed, and the virtual rotation speed being greater than or equal to the actual rotation speed, the meter controller (3) receiving the virtual rotation speed and controlling the meter pointer to display according to the virtual rotation speed, and executing the step (S4);
(S4) the engine management system controller (1) judges whether a power upshift exit condition is met according to vehicle state data, if yes, the virtual rotating speed keeps an original increasing trend in a preset delay time period at an inflection point of the actual rotating speed, the instrument pointer is displayed according to the virtual rotating speed, after the delay time is up, the virtual rotating speed is controlled to be gradually reduced to be equal to the actual rotating speed, the calculation of the power upshift virtual rotating speed is exited, the engine management system controller (1) outputs the actual rotating speed, the instrument controller (3) receives the actual rotating speed and controls the instrument pointer to display, and the process is ended; otherwise, repeating the step (S4);
(S5) the engine management system controller (1) calculating and outputting a virtual rotation speed, the virtual rotation speed decreasing with a decrease in the actual rotation speed, and the virtual rotation speed being less than or equal to the actual rotation speed, the meter controller (3) receiving the virtual rotation speed and controlling a meter pointer display, and performing the step (S6);
(S6) the engine management system controller (1) judges whether a power downshift exit condition is met according to vehicle state data, if yes, the virtual rotating speed still keeps the original reduction trend within a preset delay time period at the inflection point of the actual rotating speed, the instrument pointer is displayed according to the virtual rotating speed, after the delay time is up, the virtual rotating speed is controlled to be gradually increased to be equal to the actual rotating speed, the calculation of the power downshift virtual rotating speed is exited, the engine management system controller (1) outputs the actual rotating speed, the instrument controller (3) receives the actual rotating speed and controls the instrument pointer to display, and the process is ended; otherwise, the step (S6) is repeatedly performed.
2. The vehicle instrument display virtual engine speed control method of claim 1, wherein if a power upshift entry condition is satisfied, the vehicle state data simultaneously satisfies the following conditions: the opening degree of the accelerator pedal is greater than a first opening degree calibration value of the accelerator pedal; the target gear is larger than the actual gear; the engine speed reduction rate is greater than a first speed calibration value; the transmission controller torque request is torque down; the shift bit flag is active during a shift of the transmission.
3. The vehicle instrument display virtual engine speed control method of claim 2, wherein if a power upshift exit condition is satisfied, the vehicle state data is required to satisfy any one of the following conditions: the opening degree of the accelerator pedal is less than or equal to a second opening degree calibration value of the accelerator pedal; the target gear is equal to the actual gear; the difference between the virtual speed and the transmission turbine speed is less than a first speed difference calibration value.
4. The vehicle instrument display virtual engine speed control method according to any one of claims 1 to 3, characterized in that if the power downshift entering condition is satisfied, the vehicle state data simultaneously satisfies the following condition: the opening degree of the accelerator pedal is greater than a second opening degree calibration value of the accelerator pedal; the target gear is smaller than the actual gear; the transmission is in a gear shifting period, and the gear shifting flag is activated; the transmission controller torque request is a torque down.
5. The vehicle instrument display virtual engine speed control method of claim 4, wherein if a power downshift exit condition is satisfied, the vehicle state data is required to satisfy any one of the following conditions: the opening degree of the accelerator pedal is less than or equal to a third accelerator pedal opening degree calibration value; the target gear is equal to the actual gear; the difference between the current actual rotating speed and the rotating speed of the last sampling period is larger than the difference value of the second rotating speed within a preset time period.
6. The vehicle instrument display virtual engine speed control method according to claim 1, 2, 3 or 5, characterized in that the virtual speed is equal to the actual speed multiplied by a first calibration factor, the first calibration factor being greater than or equal to 1 in case of a power upshift, and being less than or equal to 1 in case of a power downshift.
7. A vehicle instrument display virtual engine speed control system that executes the vehicle instrument display virtual engine speed control method according to any one of claims 1 to 6, characterized by comprising:
an engine management system controller (1);
a transmission controller (2);
an instrument controller (3);
the engine management system controller (1), the transmission controller (2), the transmission controller (3) and the instrument controller (3) are all connected with a vehicle CAN bus; the engine management system controller (1) sends a virtual rotating speed signal to the CAN bus according to the gear-up and gear-down conditions of the transmission controller (3), and the instrument controller (3) receives the virtual rotating speed signal from the CAN bus and displays the virtual rotating speed signal through an instrument pointer.
8. The vehicle instrument display virtual engine speed control system of claim 7, wherein the virtual speed is in a range of 0-8000 revolutions per minute.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113525082A (en) * | 2021-06-27 | 2021-10-22 | 东风电驱动系统有限公司 | Method and device for planning motion of virtual pointer of full liquid crystal instrument |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006220482A (en) * | 2005-02-09 | 2006-08-24 | Toyota Motor Corp | Meter display device, its method and hybrid automobile |
| DE102011116314A1 (en) * | 2011-10-18 | 2013-04-18 | Daimler Ag | Hybrid motor car, has display instrument displaying rotation speed value of engine and energy information of electromotor, and displaying optimum recuperation point at which maximum recuperation energy is stored as electrical power |
| CN105522927A (en) * | 2014-10-17 | 2016-04-27 | 现代自动车株式会社 | Cluster control system of vehicle and method thereof |
| CN107199889A (en) * | 2016-03-18 | 2017-09-26 | 丰田自动车株式会社 | Display control unit for vehicle |
| CN107956865A (en) * | 2016-10-18 | 2018-04-24 | 丰田自动车株式会社 | Display system for vehicle |
| CN111055684A (en) * | 2019-12-31 | 2020-04-24 | 重庆德科电子仪表有限公司 | Automobile instrument panel pointer display control system and method |
-
2020
- 2020-09-30 CN CN202011058681.9A patent/CN112172780B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006220482A (en) * | 2005-02-09 | 2006-08-24 | Toyota Motor Corp | Meter display device, its method and hybrid automobile |
| DE102011116314A1 (en) * | 2011-10-18 | 2013-04-18 | Daimler Ag | Hybrid motor car, has display instrument displaying rotation speed value of engine and energy information of electromotor, and displaying optimum recuperation point at which maximum recuperation energy is stored as electrical power |
| CN105522927A (en) * | 2014-10-17 | 2016-04-27 | 现代自动车株式会社 | Cluster control system of vehicle and method thereof |
| CN107199889A (en) * | 2016-03-18 | 2017-09-26 | 丰田自动车株式会社 | Display control unit for vehicle |
| CN107956865A (en) * | 2016-10-18 | 2018-04-24 | 丰田自动车株式会社 | Display system for vehicle |
| CN111055684A (en) * | 2019-12-31 | 2020-04-24 | 重庆德科电子仪表有限公司 | Automobile instrument panel pointer display control system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113525082A (en) * | 2021-06-27 | 2021-10-22 | 东风电驱动系统有限公司 | Method and device for planning motion of virtual pointer of full liquid crystal instrument |
| CN113525082B (en) * | 2021-06-27 | 2022-07-15 | 东风电驱动系统有限公司 | Method and device for planning motion of virtual pointer of all-liquid crystal instrument |
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