CN103448549B - The control method that a kind of automatic transmission with hydraulic torque converter could start at P/N shelves - Google Patents
The control method that a kind of automatic transmission with hydraulic torque converter could start at P/N shelves Download PDFInfo
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- CN103448549B CN103448549B CN201210176032.8A CN201210176032A CN103448549B CN 103448549 B CN103448549 B CN 103448549B CN 201210176032 A CN201210176032 A CN 201210176032A CN 103448549 B CN103448549 B CN 103448549B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims abstract description 12
- 208000035139 partial with pericentral spikes epilepsy Diseases 0.000 claims abstract description 25
- 230000015556 catabolic process Effects 0.000 claims abstract description 17
- 239000007858 starting material Substances 0.000 claims description 36
- 239000000853 adhesive Substances 0.000 claims description 14
- 230000001070 adhesive effect Effects 0.000 claims description 14
- 239000000446 fuel Substances 0.000 claims description 12
- 102100034560 Cytosol aminopeptidase Human genes 0.000 description 23
- 101000924389 Homo sapiens Cytosol aminopeptidase Proteins 0.000 description 23
- 101000831887 Homo sapiens STE20-related kinase adapter protein alpha Proteins 0.000 description 15
- 102100024171 STE20-related kinase adapter protein alpha Human genes 0.000 description 15
- 210000002445 nipple Anatomy 0.000 description 5
- 238000005507 spraying Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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Abstract
The control method that automatic transmission with hydraulic torque converter could start at P/N shelves, shift handle P/N shelves signal is gathered by control unit for automatic shift (TCU), do not configure without key start up system (PEPS) for vehicle, directly starting relay is controlled by rigid line by control unit for automatic shift, for vehicle configuration without key start up system, rigid line is passed through successively by control unit for automatic shift, without key startup system control starting relay, the TCU moment monitors this rigid line fault, and this breakdown signal is issued control unit of engine (ECU) by CAN network, control unit of engine (ECU) is by judging under range state whether this start the engine, select whether accept rigid line breakdown signal.In this method, TCU monitors rigid line in real time, and this rigid line breakdown signal is sent to ECU by CAN network, has ECU to judge whether to accept, serves the function of duplicate protection.
Description
Technical field
The invention belongs to automatic gearbox control system technical field, relate to the control method that a kind of AT, DCT vehicle P, N shelves start.
Technical background
Prior art automatic transmission with hydraulic torque converter is all have TCU directly to be controlled by rigid line (in Fig. 3 STLK rigid line) at the control principle that P, N shelves start as shown in Figure 3, in figure, the TCU moment monitors engage a gear signal, when being suspended to P, N shelves, triode ON in TCU, to starting relay 2 end output low level, at this moment moves ignition key, ignition lock gets to start place, it is poor that starting relay 1,2 place forms height electricity, starting relay adhesive, and starter motor is activated; And when engage a gear is at D, R shelves, starter motor should not be activated, at this moment in TCU, aerotron was cut off, and at starting relay 2 place, input stops starter motor signal (high level), disconnected starting relay, thus stopped starter motor rotating.
Above Starting mode controls starter motor work by ignition key and TCU two initial conditions, and
Between TCU and starter motor, control circuit (STLK rigid line and relay) there is no safety method.When STLK rigid line shorted to earth, in TCU, transistor circuit is shorted, TCU sends starting relay always and starts starter motor signal (low frequency attracting electric relay), at this moment gear shift is in D, R position, after chaufeur igniting, starter motor is rotated further, vehicle will preshoot or after move, can work the mischief to personal property.
Summary of the invention
The invention provides the control method that a kind of automatic transmission with hydraulic torque converter could start at P/N shelves, object is the shortcoming causing vehicle can start at any gear after overcoming the rigid line connecting TCU and starting relay is short-circuited, the method adopts CAN signal to send rigid line spurious signal to ECU, ECU judges whether acceptance error signal under different gear, and then judge that whether starter motor starting state is correct, thus determine spraying nipple whether oil spout, ensure that driving engine correctly starts, can ensure that vehicle safety starts, make vehicle safer in start-up course, reliable.
Technical scheme of the present invention is as follows:
Described method gathers shift handle P/N shelves signal by control unit for automatic shift (TCU), do not configure without key start up system (PEPS) for vehicle, directly starting relay is controlled by rigid line by control unit for automatic shift, for vehicle configuration without key start up system (PEPS), rigid line is passed through successively, without key startup system control starting relay by control unit for automatic shift, this rigid line fault of TCU Real-Time Monitoring, and this breakdown signal is issued control unit of engine (ECU) by CAN network.
During P/N shelves, control unit of engine ECU ignores rigid line breakdown signal, and after starting relay conducting controls starter motor work, control fuel injector oil spout, driving engine normally starts;
During non-P/N shelves, control unit of engine ECU receives rigid line breakdown signal, and after starting relay conducting controls starter motor work, control fuel injector not oil spout, driving engine can not normally start.
Particularly:
During P/N shelves, control unit for automatic shift (TCU) detects rigid line trouble free, and control unit for automatic shift (TCU) controls starting relay adhesive and then drives starter motor work; ECU receives rigid line trouble free signal, and control fuel injector oil spout, driving engine normally starts;
During P/N shelves, TCU detects that rigid line has fault; When fault is rigid line short circuit, starting relay automatic pick and then drive motor work, ECU ignores rigid line breakdown signal, and control fuel injector oil spout, driving engine normally starts; Fault be open circuit or power supply short circuit time, starting relay automatically disconnects and causes starter motor not start, and driving engine cannot start;
During non-P/N shelves, TCU detects rigid line trouble free, and TCU controls starting relay and is off shape, and starter motor does not start, and driving engine cannot start;
During non-P/N shelves, TCU detects that rigid line has fault; When fault is rigid line short circuit, starting relay automatic pick drives starter motor work, and ECU receives rigid line breakdown signal, and control fuel injector not oil spout, driving engine can not normally start.
This control method realizes TCU and monitors rigid line in real time; and this rigid line breakdown signal is sent to ECU by CAN network; then ECU is according to range state; judge whether the rigid line breakdown signal accepting CAN network; and then determine whether start spraying nipple oil spout, after serving the startup of starter motor mistake, spraying nipple not oil spout can be controlled; thus correct the mistake that starter motor mistake starts the startup of drive driving engine mistake, there is double protection functions.
Accompanying drawing explanation
Fig. 1 is the engine starting mode without PEPS configuration;
Fig. 2 is the engine starting mode having PEPS to configure.
Fig. 3 is the TCU engine starting mode of prior art.
Detailed description of the invention
As shown in Figure 1, car load does not configure PEPS:
Control unit for automatic shift TCU gathers shift handle gear signal, and directly controls starting relay by rigid line, and then controls starter motor.
During P, N shelves, when TCU rigid line (STLK) in automatic transmission with hydraulic torque converter does not have fault, it is that 0(represents normal, trouble free that TCU sends rigid line fault (STLKfailure) signal in CAN network), TCU output low level is to position 2, when ignition key is positioned at igniting (START) position, position 1 exports high level, starting relay adhesive, starter motor work, ECU controls fuel injector oil spout, and driving engine normally starts.
During P, N shelves, when TCU rigid line (STLK) in automatic transmission with hydraulic torque converter has fault, it is that 1(represents mistake that TCU sends rigid line fault (STLKfailure) signal by CAN signal alignment ECU, has fault):
1) if fault is rigid line ground short circuit, position 2 keeps low level always, when ignition key is positioned at igniting (START) position, position 1 exports high level, starting relay adhesive drives starter motor to rotate, and at this moment because P, N shelves start the engine is correct, the rigid line breakdown signal that TCU sends is ignored in ECU selection, start spraying nipple oil spout, driving engine normally starts;
2) if fault be rigid line open circuit or and power supply short circuit, position 2 keeps high level always, and when ignition key is positioned at igniting (START) position, position 1 exports high level, and starting relay cannot adhesive, and starter motor does not work, and driving engine cannot start.
During non-P, N shelves, when TCU rigid line (STLK) does not have fault, it is that 0(represents normal that TCU sends rigid line fault (STLKfailure) signal in CAN network, trouble free), meanwhile, TCU exports high level to position 2, when ignition key is positioned at igniting (START) position, position 1 is also high level, and starting relay can not adhesive, and driving engine can not start;
During non-P, N shelves, when TCU rigid line (STLK) has fault, it is that 1(represents mistake that TCU sends rigid line fault (STLKfailure) signal by CAN network to ECU, has fault):
1) if fault is rigid line ground short circuit, position 2 keeps low level always, when ignition key is positioned at igniting (START) position, position 1 exports high level, starting relay adhesive drives starter motor to rotate, and at this moment because non-P, N shelves start the engine is wrong, ECU selection accepts the rigid line breakdown signal that TCU sends, spraying nipple not oil spout, driving engine cannot start;
2) if fault be rigid line open circuit or and power supply short circuit, position 2 keeps high level always, and when ignition key is positioned at igniting (START) position, position 1 exports high level, and starting relay cannot be inhaled, and starter motor does not rotate, and driving engine cannot start.
As shown in Figure 2, car load configuration PEPS:
Control unit for automatic shift TCU gathers shift handle signal, and controls starting relay by PEPS switch, rigid line successively, and then controls starter motor.Position 1 exports high level all the time.
During P, N shelves, when TCU rigid line (STLK) in automatic transmission with hydraulic torque converter does not have fault, it is that 0(represents normal that TCU sends rigid line fault (STLKfailure) signal by CAN network to ECU, trouble free), press PEPS button switch, PEPS output low level is to position 2, starting relay adhesive, starter motor works, and ECU controls fuel injector oil spout, and driving engine normally starts.
During P, N shelves, when TCU rigid line (STLK) in automatic transmission with hydraulic torque converter has fault, it is that 1(represents mistake that TCU sends rigid line fault (STLKfailure) signal by CAN network to ECU, has fault):
1) if fault is rigid line ground short circuit, ground connection rigid line STLK always output low level to PEPS, press PEPS button switch, PEPS output low level to position 2, starting relay adhesive, starter motor works, now, due to this start the engine of P, N shelves, ECU selects to ignore rigid line breakdown signal, control fuel injector oil spout, driving engine normally starts;
2) if fault be rigid line open circuit or and power supply short circuit, STLK exports high level to PEPS always, presses PEPS, PEPS export high level to position 2, starting relay not adhesive, starter motor does not work, and driving engine cannot start.
During non-P, N shelves, when TCU rigid line (STLK) in automatic transmission with hydraulic torque converter does not have fault, it is that 0(represents normal that TCU sends rigid line fault (STLKfailure) signal by CAN network to ECU, trouble free), press PEPS button switch, PEPS exports high level to position 2, starting relay not adhesive, starter motor does not work, and driving engine cannot start.
During non-P, N shelves, when TCU rigid line (STLK) in automatic transmission with hydraulic torque converter has fault, it is that 1(represents mistake that TCU sends rigid line fault (STLKfailure) signal by CAN network to ECU, has fault):
1) if fault is rigid line ground short circuit, ground connection rigid line STLK always output low level to PEPS, press PEPS button switch, PEPS output low level to position 2, starting relay adhesive, starter motor works, now, because non-P, N shelves should not start the engine, ECU selects to neglect acceptance line breakdown signal, control fuel injector not oil spout, driving engine cannot start.
2) if fault be rigid line open circuit or and power supply short circuit, STLK exports high level to PEPS always, presses PEPS, PEPS export high level to position 2, starting relay not adhesive, starter motor does not work, and driving engine cannot start.
Claims (1)
1. the automatic transmission with hydraulic torque converter control method that could start at P/N shelves, described method gathers gear shifting handle P/N shelves signal by control unit for automatic shift (TCU), to be connected or directly to control starting relay on/off and then control starter motor to open/stop by control unit for automatic shift by rigid line with without key start up system (PEPS); It is characterized in that:
The control unit for automatic shift moment monitors this rigid line fault, and this breakdown signal is issued control unit of engine (ECU) by CAN network;
During P/N shelves, control unit for automatic shift (TCU) detects rigid line trouble free, and control unit for automatic shift (TCU) controls starting relay adhesive and then drives starter motor work; Control unit of engine (ECU) receives rigid line trouble free signal, and control fuel injector oil spout, driving engine normally starts;
During P/N shelves, control unit for automatic shift (TCU) detects that rigid line has fault; When fault is rigid line short circuit, starting relay automatic pick and then the work of drive starter motor, control unit of engine (ECU) ignores rigid line breakdown signal, and control fuel injector oil spout, driving engine normally starts; Fault be open circuit or power supply short circuit time, starting relay automatically disconnects and causes starter motor not start, and driving engine cannot start;
During non-P/N shelves, control unit for automatic shift (TCU) detects rigid line trouble free, and control unit for automatic shift (TCU) controls starting relay and is off shape, and starter motor does not start, and driving engine cannot start;
During non-P/N shelves, control unit for automatic shift (TCU) detects that rigid line has fault; When fault is rigid line short circuit, starting relay automatic pick drives starter motor work, and control unit of engine (ECU) receives rigid line breakdown signal, and control fuel injector not oil spout, driving engine can not normally start.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176032.8A CN103448549B (en) | 2012-05-31 | 2012-05-31 | The control method that a kind of automatic transmission with hydraulic torque converter could start at P/N shelves |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210176032.8A CN103448549B (en) | 2012-05-31 | 2012-05-31 | The control method that a kind of automatic transmission with hydraulic torque converter could start at P/N shelves |
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| CN103448549A CN103448549A (en) | 2013-12-18 |
| CN103448549B true CN103448549B (en) | 2016-02-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104842937A (en) * | 2014-06-19 | 2015-08-19 | 北汽福田汽车股份有限公司 | Control system for electromagnetic valve of ignition lock |
| CN105840386B (en) * | 2015-01-15 | 2018-09-25 | 上海通用汽车有限公司 | Vehicle starter control method and vehicle |
| CN106740103A (en) * | 2016-12-29 | 2017-05-31 | 雷沃重工股份有限公司 | A kind of tractor safety starting control method and control system |
| CN110789340A (en) * | 2019-11-19 | 2020-02-14 | 安徽安凯汽车股份有限公司 | Neutral position protection method for school bus gearbox |
| CN111946522B (en) * | 2020-08-10 | 2022-03-29 | 中国重汽集团济南动力有限公司 | Starting control method for diesel engine control unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071228A (en) * | 1992-02-15 | 1993-04-21 | 陈金章 | Automatic starting circuit structure of automotive two-track telecontrol engine |
| US6024065A (en) * | 1994-07-05 | 2000-02-15 | Chrysler Corporation | Starter motor control circuit and method |
| US6481404B1 (en) * | 2001-06-12 | 2002-11-19 | Ford Global Technologies, Inc. | Vehicle starting method and system |
| CN102072026A (en) * | 2010-12-30 | 2011-05-25 | 广州汽车集团股份有限公司 | Device and method for controlling stop start of engine for vehicle |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006322362A (en) * | 2005-05-18 | 2006-11-30 | Fujitsu Ten Ltd | Automatic engine stop and start controller |
| KR100717307B1 (en) * | 2005-12-09 | 2007-05-15 | 현대자동차주식회사 | Start motor control system for automatic transmission on vehicle |
| JP4529931B2 (en) * | 2006-03-29 | 2010-08-25 | 株式会社デンソー | Engine start control device |
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- 2012-05-31 CN CN201210176032.8A patent/CN103448549B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1071228A (en) * | 1992-02-15 | 1993-04-21 | 陈金章 | Automatic starting circuit structure of automotive two-track telecontrol engine |
| US6024065A (en) * | 1994-07-05 | 2000-02-15 | Chrysler Corporation | Starter motor control circuit and method |
| US6481404B1 (en) * | 2001-06-12 | 2002-11-19 | Ford Global Technologies, Inc. | Vehicle starting method and system |
| CN102072026A (en) * | 2010-12-30 | 2011-05-25 | 广州汽车集团股份有限公司 | Device and method for controlling stop start of engine for vehicle |
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Effective date of registration: 20231009 Address after: 401135 No. 19 Zhuoyue Road, Longxing Town, Liangjiang New Area, Yubei District, Chongqing (cluster registration) Patentee after: Chongqing Lanshan Automotive Electronics Co.,Ltd. Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing Patentee before: Chongqing Changan Automobile Co.,Ltd. |