CN1221081A - Method and apparatus for controlling malfunction of automatic transmission - Google Patents
Method and apparatus for controlling malfunction of automatic transmission Download PDFInfo
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- CN1221081A CN1221081A CN97107260A CN97107260A CN1221081A CN 1221081 A CN1221081 A CN 1221081A CN 97107260 A CN97107260 A CN 97107260A CN 97107260 A CN97107260 A CN 97107260A CN 1221081 A CN1221081 A CN 1221081A
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Abstract
A method and apparatus for informing a driver of a step number of a damaged transmission gear os an automatic transmission and for applying a new transmission pattern except for that of the damaged transmission gear of the automatic transmission, is disclosed. Abnormality vibration sensing sectpm senses a vibration level of a transmission gear and provides an abnormality vibration signal. Control section provides first and second speed change control signals in order to control a speed changing operation of the transmission gear according to the abnormality vibration signal from the abrnormality vibration sensing section. When the transmission gear is damaged, the automatic transmssion does not select the transmission pattern which uses the damaged transmission gear.
Description
The present invention relates to when the speed change gear of automatic transmission damages, be used for controlling the method and the device of TRANS FAILSAFE PROG.
Speed changer is to be used for changing reposefully the device of automobile driving speed.Usually, speed changer is divided into according to the variation of the automobile driving speed manual transmission by driver's manual control, and according to the automated automatic transmission of the variation of automobile driving speed.
In speed changer, torque-converters comes work according to the control of oil pressure, and torsional interaction is on a planetary pinion.Be installed on the sensor on the automobile each several part, detect the current state relevant, and give transmission control module with detected state signal and control automatic transmission with automobile running.
Transmission control module according to sensor to state signal control hydraulic control circuit, and the action of a plurality of solenoid valves of control setting on the oil pipeline inner passage.When the oil pipeline pressure inside changed along with the action of a plurality of solenoid valves, owing to be arranged on the action of a plurality of valve instruments on the oil pipeline inner passage, the oil pressure change operation state that puts on the friction member also changed.And then friction member comes the rotation status of the speed change gear of control setting in change gear train according to the variation of hydraulic operation state, and speed changes to a desired value by the rotary power control that motor and power transmission mechanism produce.
Therefore, automatic transmission is rotated under the power effect from motor, and the input shaft of rotary power from the torque-converters that links to each other with motor is sent on the output shaft, thereby makes motor racing.When driver's automobile driving speed and when accelerator pedal is exerted pressure for a change, the speed change gear that is arranged in the change gear train moves to change the travelling speed of automobile.
But after automobile travelled for a long time, the speed change gear of automatic transmission can be owing to rubbing action is worn and torn.Therefore, when the speed change gear of a certain specific shelves number in the automatic transmission damages, and when the selection of automobile driving speed having been used the speed change gear that damages, just can not change speed reposefully.Therefore, when the driver control accelerator pedal, the fault of having damaged speed change gear can cause traffic accident.
Therefore, first purpose of the present invention provides a kind of method, with fault that detects automatic transmission and the action of controlling automatic transmission, thus the speed change pattern of other speed change gears except the speed change gear that has damaged in the change automatic transmission.
Second purpose of the present invention provides a kind of device, with the fault of detection automatic transmission, and the action of control automatic transmission, thereby the speed change pattern of other speed change gears except that the speed change gear that damages in the change automatic transmission.
In order to reach above-mentioned first purpose, the invention provides a kind of method of controlling TRANS FAILSAFE PROG, may further comprise the steps:
(ⅰ), judge whether to produce abnormal vibrations from the basis of the detected level of vibration of currently used speed change gear;
(ⅱ) on the basis of step (ⅰ) judged result, note the shelves number of currently used speed change gear; With
(ⅲ) speed change pattern of the speed change gear the currently used speed change gear of employing in being recorded in step (ⅱ).
In order to reach above-mentioned second purpose, the invention provides a kind of device of controlling TRANS FAILSAFE PROG, comprising:
Detect the speed change gear level of vibration and provide the device of an abnormal transient vibration signal according to abnormal vibrations.
According to abnormal transient vibration signal, provide the control gear of the first and second rapid change control signals of control speed change gear rapid change operation from the abnormal vibrations detection device;
According to the first and second rapid change control signals from control gear, execution speed changes the rapid change drive unit of operation.
In the method for controlling TRANS FAILSAFE PROG according to the present invention and device, according to the fault of judging speed change gear from the abnormal vibrations level of automatic transmission gear shift gear.And, the speed change pattern of speed change gear is defined as a new speed change pattern, this speed change pattern is the speed change pattern of the speed change gear of automatic transmission except the speed change gear that has damaged.
Therefore, just can avoid, because when the speed change gear of automatic transmission damaged, automatic transmission did not select to use the speed change pattern of the speed change gear that has damaged owing to speed change gear damages the traffic accident that causes.
By being described in detail with reference to the attached drawings a preferred embodiment, above-mentioned purpose of the present invention and other advantages will become apparent, wherein:
Fig. 1 is the device circuit structure of TRANS FAILSAFE PROG is controlled in expression according to the present invention a skeleton diagram;
Fig. 2 utilizes device shown in Fig. 1 to control the method flow diagram of TRANS FAILSAFE PROG.
Below with reference to relevant drawings, to being used for controlling the method for TRANS FAILSAFE PROG according to an embodiment of the invention and the structure and the operation of device is described in detail.
Fig. 1 is according to one embodiment of the invention, is used for controlling the circuit structure skeleton diagram of the device of TRANS FAILSAFE PROG.As shown in Figure 1, the Fault Control device comprises 100, one control sections in an abnormal vibrations test section, 200, one cautions part 300 and a rapid change drive part 400.
Abnormal vibrations test section 100 comprises 110, one amplifiers 120 of an acceleration transducer and a wave filter 130.Acceleration sensor 110 detects the level of vibration of self-changing gear, and provides an oscillating signal 111.The oscillating signal 111 of amplifier 120 sensors of autoacceleration in the future 110 amplifies, and output amplifying signal 121.130 pairs of amplifying signals 121 from amplifier 120 of wave filter carry out filtering, and provide an abnormal transient vibration signal 131.Abnormal vibrations test section 100 detects the level of vibration of automatic transmission gear shift gear, and gives control section 200 with abnormal transient vibration signal 131.
In addition, control section 200 is given rapid change drive part 400 according to the abnormal transient vibration signal from abnormal vibrations test section 100 with the first and second rapid change control signals 212,213, so that the rapid change operation of control automatic transmission gear shift gear.
And, when the abnormal transient vibration signal 131 from abnormal vibrations test section 100 is that control section 200 provides the first rapid change control signal 212 when the most high-grade number of automatic transmission gear shift gear generates.
Rapid change drive part 400 comprises a lock-up valve 410 and a speed change valve 420.Lock-up valve 410 stops the lock operation of gearbox according to the first rapid change control signal 212 from control section 200.Speed change valve 420 changes control signal 213 according to the second speed from control section 200 and changes speed change gear speed.Rapid change drive part 400 is according to the rapid change operation of carrying out the automatic transmission gear shift gear from the first and second rapid change control signals 212,213 of control section 200.
Next, according to the flow chart that Fig. 2 controls TRANS FAILSAFE PROG, describe by the step of installing the method that is realized shown in Fig. 1.
Shown in Figure 2 is that explanation utilizes device shown in Fig. 1 to control the flow chart of the method for TRANS FAILSAFE PROG.
In step S510, when the automobile that automatic transmission is installed travelled on highway, abnormal vibrations test section 100 can detect the level of vibration of the currently used speed change gear of automatic transmission.
In step S520, control section 200 judges according to the fault of the currently used speed change gear of automatic transmission whether abnormal vibrations test section 100 has produced abnormal transient vibration signal 131.
When in step S520, judging, when abnormal vibrations test section 100 does not produce abnormal transient vibration signal 131, control section 200 repeated execution of steps S520.
When judging in step S520, when abnormal vibrations test section 100 had produced abnormal transient vibration signal 131, control section 200 judged whether the shelves number of currently used speed change gear is the most high-grade number (step S530) of automatic transmission gear shift gear.
When judging in step S530, when the shelves number of currently used speed change gear was not the most high-grade number of speed change gear, control section 200 was noted the shelves number (step S570) of the currently used speed change gear of automatic transmission.
When in step S530, judging, when the shelves number of currently used gear-box is the most high-grade number of automatic transmission gear shift gear, control section 200 just provides the first rapid change control signal 212 to lock-up valve 410, makes lock-up valve 410 stop lock operation a period of time (step S540).
In step S550, control section 200 is judged and has been judged as in step S530 the most currently used speed change gear of high-grade number produces abnormal transient vibration signal 131 continuously.
When judging in step S550, when automatic transmission the most high-grade currently used number speed change gear did not produce abnormal transient vibration signal 131 continuously, control section 200 turned back to step S520 from step S550.
When in step S550, judging, when automatic transmission the most high-grade currently used number speed change gear produces abnormal transient vibration signal 131 continuously, control section 200 offers lock-up valve 410 with the first rapid change control signal 212, and makes lock-up valve 410 stop lock operation (step S560) fully.
In step S570, control section 200 is noted the shelves number of currently used speed change gear.
In step S580, control section 200 will be warned control signal 211 and give caution part 300, and startup caution part 300 has fault to notify the currently used speed change gear of driver's automatic transmission.
In addition, control section 200 provides second speed and changes control signal 213, and adopts a kind of new speed change gear speed change pattern (step S590) except that currently used speed change gear shelves number.
In addition, control section 200 turns back to step S520 from step S590, judges the abnormal transient vibration signal 131 that is produced by abnormal vibrations test section 100.
In the method for controlling TRANS FAILSAFE PROG according to the present invention and device,, judge the fault of speed change gear according to abnormal vibrations level from the automatic transmission gear shift gear.And the speed change pattern of speed change gear is defined as a new speed change gear speed change pattern except that the speed change gear that automatic transmission has been damaged.
Therefore, just can avoid, because when the speed change gear of a certain specific shelves number of automatic transmission damaged, automatic transmission did not select to use the speed change pattern that damages speed change gear owing to speed change gear damages the traffic accident that causes.
In certain embodiments of reference the present invention, when the present invention has been carried out specifying and describing, those skilled in the art is to be understood that, under situation about not deviating from, can carry out the change on various forms or the details by the additional the spirit and scope of the present invention that claim limited.
Claims (10)
1. method of controlling TRANS FAILSAFE PROG, described method may further comprise the steps:
(ⅰ) currently used speed change gear level of vibration is detected, judge whether to have produced abnormal vibrations on this basis;
(ⅱ) on the basis of step (ⅰ) judged result, note the shelves number of currently used speed change gear; And
(ⅲ) adopt the described currently used speed change gear speed change gear speed change pattern in addition that in step (ⅱ), writes down.
2. the method for control TRANS FAILSAFE PROG according to claim 1, wherein, described step (ⅰ) comprises following substep:
(ⅰ-1) detects the described level of vibration of described currently used speed change gear;
(ⅰ-2) on the basis of detected described level of vibration, judges whether described currently used speed change gear has produced abnormal vibrations in step (ⅰ-1); And
(ⅰ-3) when judging in step (ⅰ-2), when described currently used speed change gear does not produce described abnormal vibrations, returns step (ⅰ-1).
3. the method for control TRANS FAILSAFE PROG according to claim 1, wherein said step (ⅱ) comprises following substep:
(ⅱ-1) judges whether the described shelves number of described currently used speed change gear is the most high-grade number;
(ⅱ-2) when judging in step (ⅱ-1), when the described shelves number of described currently used speed change gear is not the most high-grade number, carries out step (ⅲ);
(ⅱ-3) when judging in step (ⅱ-1), when the described shelves number of described currently used speed change gear is the most high-grade number, lock operation stopped a period of time;
(ⅱ-4) judges whether described currently used speed change gear produces described abnormal vibrations continuously;
(ⅱ-5) when judging in step (ⅱ-4), when described currently used speed change gear does not produce described abnormal vibrations continuously, returns step (ⅰ);
(ⅱ-6) when judging in step (ⅱ-4), when described currently used speed change gear produces described abnormal vibrations continuously, then stops described lock operation fully; And
(ⅱ-7) notes the described shelves number of described currently used speed change gear.
4. the method for control TRANS FAILSAFE PROG according to claim 1 further comprises following substep:
By the described abnormal vibrations that produces by described currently used speed change gear, produce an alarm signal with the prompting driver.
5. device of controlling TRANS FAILSAFE PROG, described device comprises:
Detect the speed change gear level of vibration, and provide the device of an abnormal transient vibration signal according to abnormal vibrations;
According to described abnormal transient vibration signal, provide the control gear of the first and second rapid change control signals of the described speed change gear rapid change operation of control from described abnormal vibrations detection device; And
According to the described first and second rapid change control signals, carry out the rapid change drive unit of described rapid change operation from described control gear.
6. the device of control TRANS FAILSAFE PROG according to claim 5, wherein said abnormal vibrations detection device comprises:
Be used to detect the described level of vibration of described speed change gear, and the acceleration transducer of an oscillating signal is provided;
Be used to amplify from the described oscillating signal of described acceleration transducer and export the amplifier of an amplifying signal; And
Described amplifying signal from described amplifier is carried out filtering, and the wave filter of described abnormal transient vibration signal is provided.
7. the device of control TRANS FAILSAFE PROG according to claim 5, wherein said rapid change drive unit comprises:
According to the described first rapid change control signal, stop a lock-up valve of lock operation from described control gear;
Change control signal according to described second speed, change a speed change valve of described gear-box speed from described control gear.
8. the device of control TRANS FAILSAFE PROG according to claim 5, wherein when the most described speed change gear of high-grade number had produced described abnormal transient vibration signal, described control gear produced the described first rapid change control signal.
9. the device of control TRANS FAILSAFE PROG according to claim 5, wherein said control gear provide a caution control signal, break down with the described speed change gear of caution driver.
10. the device of control TRANS FAILSAFE PROG according to claim 9 further comprises:
According to the signalling device that occurs described fault from the described caution control signal of described control gear, the described speed change gear of caution driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97107260A CN1221081A (en) | 1997-12-25 | 1997-12-25 | Method and apparatus for controlling malfunction of automatic transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN97107260A CN1221081A (en) | 1997-12-25 | 1997-12-25 | Method and apparatus for controlling malfunction of automatic transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1221081A true CN1221081A (en) | 1999-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN97107260A Pending CN1221081A (en) | 1997-12-25 | 1997-12-25 | Method and apparatus for controlling malfunction of automatic transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1221081A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873261B (en) * | 2005-05-31 | 2010-05-26 | 加特可株式会社 | Automatic transmission control device for faliure |
| CN102889986A (en) * | 2011-07-18 | 2013-01-23 | 西门子公司 | Method for identifying faults in transmission |
| CN103807429A (en) * | 2012-11-06 | 2014-05-21 | 加特可株式会社 | Abnormal judgment device of automatic transmission, and abnormal judgment method |
| CN104136817A (en) * | 2012-02-22 | 2014-11-05 | 丰田自动车株式会社 | Device for controlling power transmission apparatus |
| CN105276163A (en) * | 2014-05-28 | 2016-01-27 | 发那科株式会社 | Gear transmission and usage measuring device for measuring usage of gear transmission |
-
1997
- 1997-12-25 CN CN97107260A patent/CN1221081A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1873261B (en) * | 2005-05-31 | 2010-05-26 | 加特可株式会社 | Automatic transmission control device for faliure |
| CN102889986A (en) * | 2011-07-18 | 2013-01-23 | 西门子公司 | Method for identifying faults in transmission |
| US9267864B2 (en) | 2011-07-18 | 2016-02-23 | Siemens Aktiengesellschaft | Method for identifying damage on transmissions |
| CN102889986B (en) * | 2011-07-18 | 2016-10-26 | 西门子公司 | For the method and apparatus identifying the fault on actuating device |
| CN104136817A (en) * | 2012-02-22 | 2014-11-05 | 丰田自动车株式会社 | Device for controlling power transmission apparatus |
| CN104136817B (en) * | 2012-02-22 | 2016-05-04 | 丰田自动车株式会社 | The control device of power transmission |
| CN103807429A (en) * | 2012-11-06 | 2014-05-21 | 加特可株式会社 | Abnormal judgment device of automatic transmission, and abnormal judgment method |
| CN103807429B (en) * | 2012-11-06 | 2016-08-17 | 加特可株式会社 | The abnormity determining device of automatic transmission and abnormality determination method |
| CN105276163A (en) * | 2014-05-28 | 2016-01-27 | 发那科株式会社 | Gear transmission and usage measuring device for measuring usage of gear transmission |
| US9915337B2 (en) | 2014-05-28 | 2018-03-13 | Fanuc Corporation | Gear transmission and usage measuring device for measuring usage of gear transmission |
| CN105276163B (en) * | 2014-05-28 | 2018-09-28 | 发那科株式会社 | Gear assembly and measure the device use degree use degree measurement device |
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