CN105946862A - Accelerator opening degree fixing control method for AMT vehicle - Google Patents

Accelerator opening degree fixing control method for AMT vehicle Download PDF

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Publication number
CN105946862A
CN105946862A CN201610418141.4A CN201610418141A CN105946862A CN 105946862 A CN105946862 A CN 105946862A CN 201610418141 A CN201610418141 A CN 201610418141A CN 105946862 A CN105946862 A CN 105946862A
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CN
China
Prior art keywords
open degree
accelerator open
bcu
engine speed
accelerator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Application number
CN201610418141.4A
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Chinese (zh)
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CN105946862B (en
Inventor
吴立香
田磊
曹文斌
赵玉超
张文斌
郭鹏
刘子辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sinotruk Jinan Power Co Ltd
China National Heavy Duty Truck Group Jinan Power Co Ltd
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China National Heavy Duty Truck Group Jinan Power Co Ltd
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Priority to CN201610418141.4A priority Critical patent/CN105946862B/en
Publication of CN105946862A publication Critical patent/CN105946862A/en
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Publication of CN105946862B publication Critical patent/CN105946862B/en
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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W40/00Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B60W40/09Driving style or behaviour
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W30/00Purposes 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, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/14Adaptive cruise control
    • B60W30/143Speed control
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2510/00Input parameters relating to a particular sub-units
    • B60W2510/06Combustion engines, Gas turbines
    • B60W2510/0638Engine speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2510/00Input parameters relating to a particular sub-units
    • B60W2510/06Combustion engines, Gas turbines
    • B60W2510/0657Engine torque
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2540/00Input parameters relating to occupants
    • B60W2540/10Accelerator pedal position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2540/00Input parameters relating to occupants
    • B60W2540/215Selection or confirmation of options
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/06Combustion engines, Gas turbines
    • B60W2710/0605Throttle position
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/06Combustion engines, Gas turbines
    • B60W2710/0644Engine speed
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60WCONJOINT 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
    • B60W2710/00Output or target parameters relating to a particular sub-units
    • B60W2710/06Combustion engines, Gas turbines
    • B60W2710/0666Engine torque

Abstract

Provided is an accelerator opening degree fixing control method for an AMT vehicle. The method comprises the steps that 1, a rocker switch is pressed, and a functional module fixing the accelerator opening degree is started; 2, a BCU starts to detect the accelerator opening degree, and when the target accelerator opening degree is reached, the position of an accelerator pedal remains unchanged; 3, the BUC judges whether the target accelerator opening degree remains 5s or above or not, if yes, the fourth step is executed, otherwise, the second step is executed; 4, an ECU keeps the accelerator opening degree unchanged, and a driver can loosen the accelerator pedal; 5, the BCU detects changes of the accelerator pedal, if the pedal is depressed, the sixth step is executed, otherwise, the fourth step is executed; 6, the BCU stops sending TSC1 information and detects the rocker switch, if the switch is turned off, the seventh step is executed, otherwise, the second step is executed; 7, a functional module controlling the accelerator opening degree is closed, and the BUC performs other tasks. By means of the method, the AMT vehicle fixes the accelerator opening degree on the condition that the road condition is good, and the right foot of the driver is free.

Description

A kind of AMT vehicle gas aperture fixes control method
Technical field
The present invention relates to a kind of AMT vehicle gas aperture and fix control method, belong to AMT vehicle electronic control technology neck Territory.
Background technology
AMT vehicle according to the load-carrying of vehicle, the gradient, accelerator open degree, engine torque rotating speed etc. because usually selecting variator Gear, in vehicle travel process, the right crus of diaphragm of driver is not placed in gas pedal being just placed on brake pedal, so The right crus of diaphragm burden just making driver is the heaviest.When, in the case of road conditions are good, fixing an accelerator open degree and keep the fortune of vehicle stabilization OK, the most necessary.
It addition, when doing the release test of AMT vehicle, need fixing different accelerator open degree to carry out vehicle start, check Vehicle starting performance under different accelerator open degrees, but driver is worth at one with the very difficult long-time accelerator open degree that controls of foot, And whole test sits down, tired almost dare not the walking of the right crus of diaphragm of driver.
Summary of the invention
The present invention is in order to overcome the deficiency of above technology, it is provided that a kind of AMT vehicle gas aperture fixes controlling party Method, the method can make AMT vehicle automobile fix an accelerator open degree in the case of road conditions are good, liberate the right crus of diaphragm of driver, Make driver's right crus of diaphragm be only placed on brake pedal, tackle emergency at any time, it is ensured that the safety of driving.
Term is explained:
BCU:Body Control Unit, vehicle body control unit.
The present invention overcomes its technical problem be the technical scheme is that
A kind of AMT vehicle gas aperture fixes control method, comprises the following steps that
(1) rocker switch is pressed, and fixing accelerator open degree functional module is opened;
(2) BCU starts to detect accelerator open degree, and driver limit watches the instruments web accelerator pedal, protects after the accelerator open degree that achieves the goal Hold accelerator pedal position constant;
(3) BCU judges whether purpose accelerator open degree keeps more than 5s, the most then perform step (4);Otherwise, step (2) is performed;
(4) BCU is according to the change of engine speed, ceaselessly sends and controls the TSC1 message of purpose accelerator open degree to electromotor control Unit ECU processed, ECU keep this accelerator open degree constant after receiving message, now driver can unclamp gas pedal;
(5) BCU checks whether gas pedal is operated, if being operated, then performs step (6);Otherwise, step (4) is performed;
(6) BCU stops sending TSC1 message, and checks whether rocker switch closes, if closing, then performs step (7);Otherwise, Perform step (2);
(7) functional module controlling accelerator open degree is closed, and BCU transfers to perform other tasks.
Preferably, to specifically include step as follows for described step (2):
2.1) electromotor is by engine speed a1With accelerator open degree value b1It is sent on CAN line by message EEC1 and EEC2, instrument Table controller CBCU receives message EEC2 from CAN line, and accelerator open degree value b1Display is on instrumental panel;
2.2) BCU checks engine speed a by EEC1 and EEC2 from CAN line1With accelerator open degree value b1, driver sees instrument in limit Panel edge accelerator pedal, achieve the goal accelerator open degree b2Rear holding accelerator pedal position is constant.
Preferably, described step 2.1) in, electromotor sends engine speed a1Cycle be 10ms or 20ms, transmission oil Door opening value b1Cycle be 50ms or 100ms.
Preferably, to specifically include step as follows for described step (4):
4.1) change as a when engine speed2Time, BCU looks into engine speed-accelerator open degree-torque meter, obtains starting Machine rotating speed a2Lower holding accelerator open degree is b2Torque value c1, send TSC1 signal to ECU and carry out torque request;
4.2) change as a when engine speed3Time, BCU looks into engine speed-accelerator open degree-torque meter, obtains starting Machine rotating speed is a3Lower holding accelerator open degree is b2Torque value c2, send TSC1 signal to ECU and carry out torque request;
4.3) the like, engine speed is ceaselessly changing, and BCU is also ceaselessly looking into engine speed-accelerator open degree-torsion Square table, is b at the accelerator open degree that is maintained2Different engine under torque value after, to ECU send TSC1 signal carry out Torque request, to keep accelerator open degree constant.
Preferably, in described step (4), the cycle sending TSC1 signal is 10ms or 20ms.
The invention has the beneficial effects as follows:
1, the control method of the present invention can make AMT vehicle automobile fix an accelerator open degree in the case of road conditions are good, liberation The right crus of diaphragm of driver, makes driver's right crus of diaphragm be only placed on brake pedal, tackles emergency at any time, it is ensured that the safety of driving.
2, the control method of the present invention is when doing the test of AMT vehicle, and driver exists without the long-time accelerator open degree that controls Can precisely fix accelerator open degree value in one value, it is ensured that the accuracy of result of the test, and significantly reduce driver's right crus of diaphragm Feeling of fatigue.
Accompanying drawing explanation
Fig. 1 be the present invention control method flow chart.
Fig. 2 is the logic control configuration diagram of the present invention.
Detailed description of the invention
It is better understood from the present invention for the ease of those skilled in the art, with specific embodiment, the present invention is done below in conjunction with the accompanying drawings Further describing, following is only exemplary not limit protection scope of the present invention.
The invention discloses a kind of AMT vehicle gas aperture and fix control method, as shown in Figure 1, 2, including step As follows:
(1) rocker switch is pressed, and fixing accelerator open degree functional module is opened.
(2) electromotor is by engine speed a1With accelerator open degree value b1It is sent on CAN line by message EEC1 and EEC2; Shown in message table specific as follows 1, preferred engine sends engine speed a1With accelerator open degree value b1Cycle be respectively 20ms and 50ms。
Table 1:
Message name SPN title Message content
EEC1 Engine Speed a1
EEC2 Accelerator Pedal Position 1 b1
Instrument controller CBCU receives message EEC2 from CAN line, and accelerator open degree value b1Display is on instrumental panel.
(3) BCU checks engine speed a by EEC1 and EEC2 from CAN line1With accelerator open degree value b1, driver sees on limit Instrument web accelerator pedal, achieve the goal accelerator open degree b2Rear holding accelerator pedal position is constant.
(4) BCU judges whether purpose accelerator open degree keeps more than 5s, the most then perform step (5);Otherwise, step is performed (3).
(5) BCU is according to the change of engine speed, ceaselessly sends and controls the TSC1 message of purpose accelerator open degree to starting Machine control unit ECU, ECU keeps this accelerator open degree constant after receiving message, now driver can unclamp gas pedal, tool Body is as follows:
5.1) change as a when engine speed2Time, BCU looks into engine speed-accelerator open degree-torque meter, obtains starting Machine rotating speed a2Lower holding accelerator open degree is b2Torque value c1, send TSC1 signal to ECU and carry out torque request;Message is concrete such as Shown in table 2 below, the cycle preferably sending TSC1 signal is 10ms.
Table 2:
5.2) change as a when engine speed3Time, BCU looks into engine speed-accelerator open degree-torque meter, obtains starting Machine rotating speed is a3Lower holding accelerator open degree is b2Torque value c2, send TSC1 signal to ECU and carry out torque request;Message is concrete As shown in table 3 below, the cycle preferably sending TSC1 signal is 10ms.
Table 3:
5.3) change as a when engine speednTime, BCU looks into engine speed-accelerator open degree-torque meter, obtains starting Machine rotating speed anLower holding accelerator open degree is b2Torque value cn-1, send TSC1 signal to ECU and carry out torque request;Message is concrete such as Shown in table 4 below, the cycle preferably sending TSC1 signal is 10ms.
Table 4:
(6) BCU checks whether gas pedal is operated, if being operated, then performs step (7);Otherwise, step (5) is performed.
(7) BCU stops sending TSC1 message, and checks whether rocker switch closes, if closing, then performs step (8);No Then, step (3) is performed.
(8) functional module controlling accelerator open degree is closed, and BCU transfers to perform other tasks.
Above only describes ultimate principle and the preferred implementation of the present invention, those skilled in the art can be according to foregoing description Many changes may be made and improves, and these changes and improvements should belong to protection scope of the present invention.

Claims (5)

1. an AMT vehicle gas aperture fixes control method, it is characterised in that comprise the following steps that
(1) rocker switch is pressed, and fixing accelerator open degree functional module is opened;
(2) BCU starts to detect accelerator open degree, and driver limit watches the instruments web accelerator pedal, protects after the accelerator open degree that achieves the goal Hold accelerator pedal position constant;
(3) BCU judges whether purpose accelerator open degree keeps more than 5s, the most then perform step (4);Otherwise, step (2) is performed;
(4) BCU is according to the change of engine speed, ceaselessly sends and controls the TSC1 message of purpose accelerator open degree to electromotor control Unit ECU processed, ECU keep this accelerator open degree constant after receiving message, now driver can unclamp gas pedal;
(5) BCU checks whether gas pedal is operated, if being operated, then performs step (6);Otherwise, step (4) is performed;
(6) BCU stops sending TSC1 message, and checks whether rocker switch closes, if closing, then performs step (7);Otherwise, Perform step (2);
(7) functional module controlling accelerator open degree is closed, and BCU transfers to perform other tasks.
Method the most according to claim 1, it is characterised in that it is as follows that described step (2) specifically includes step:
2.1) electromotor is by engine speed a1With accelerator open degree value b1It is sent on CAN line by message EEC1 and EEC2, instrument Controller CBCU receives message EEC2 from CAN line, and accelerator open degree value b1Display is on instrumental panel;
2.2) BCU checks engine speed a by EEC1 and EEC2 from CAN line1With accelerator open degree value b1, driver sees instrument in limit Panel edge accelerator pedal, achieve the goal accelerator open degree b2Rear holding accelerator pedal position is constant.
Method the most according to claim 2, it is characterised in that described step 2.1) in, electromotor sends engine speed a1 Cycle be 10ms or 20ms, transmission accelerator open degree value b1Cycle be 50ms or 100ms.
Method the most according to claim 2, it is characterised in that it is as follows that described step (4) specifically includes step:
4.1) change as a when engine speed2Time, BCU looks into engine speed-accelerator open degree-torque meter, obtains starting Machine rotating speed a2Lower holding accelerator open degree is b2Torque value c1, send TSC1 signal to ECU and carry out torque request;
4.2) change as a when engine speed3Time, BCU looks into engine speed-accelerator open degree-torque meter, obtains starting Machine rotating speed is a3Lower holding accelerator open degree is b2Torque value c2, send TSC1 signal to ECU and carry out torque request;
4.3) the like, engine speed is ceaselessly changing, and BCU is also ceaselessly looking into engine speed-accelerator open degree-torsion Square table, is b at the accelerator open degree that is maintained2Different engine under torque value after, to ECU send TSC1 signal carry out Torque request, to keep accelerator open degree constant.
Method the most according to claim 4, it is characterised in that in described step (4), send TSC1 signal cycle be 10ms or 20ms.
CN201610418141.4A 2016-06-15 2016-06-15 A kind of AMT vehicles automotive throttle aperture fixes control method Active CN105946862B (en)

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Application Number Priority Date Filing Date Title
CN201610418141.4A CN105946862B (en) 2016-06-15 2016-06-15 A kind of AMT vehicles automotive throttle aperture fixes control method

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CN201610418141.4A CN105946862B (en) 2016-06-15 2016-06-15 A kind of AMT vehicles automotive throttle aperture fixes control method

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CN105946862B CN105946862B (en) 2018-04-27

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180081A (en) * 2017-12-27 2018-06-19 潍柴动力股份有限公司 A kind of accelerator control method and device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1882452A (en) * 2003-11-14 2006-12-20 大陆-特韦斯贸易合伙股份公司及两合公司 Method for reducing the fuel consumption of a motor vehicle
CN101079185A (en) * 2007-07-05 2007-11-28 杨学清 Speed fixed patrolling device for automobile
JP2010280318A (en) * 2009-06-05 2010-12-16 Suzuki Motor Corp Throttle control device
CN104670020A (en) * 2014-12-26 2015-06-03 东风汽车公司 Automobile constant-speed cruise control method
CN105015343A (en) * 2015-07-03 2015-11-04 王洪利 Constant oil cruise device of automatic transmission vehicle

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1882452A (en) * 2003-11-14 2006-12-20 大陆-特韦斯贸易合伙股份公司及两合公司 Method for reducing the fuel consumption of a motor vehicle
CN101079185A (en) * 2007-07-05 2007-11-28 杨学清 Speed fixed patrolling device for automobile
JP2010280318A (en) * 2009-06-05 2010-12-16 Suzuki Motor Corp Throttle control device
CN104670020A (en) * 2014-12-26 2015-06-03 东风汽车公司 Automobile constant-speed cruise control method
CN105015343A (en) * 2015-07-03 2015-11-04 王洪利 Constant oil cruise device of automatic transmission vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108180081A (en) * 2017-12-27 2018-06-19 潍柴动力股份有限公司 A kind of accelerator control method and device

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