CN1084462A - Electronic control system for automatic speed transmission - Google Patents
Electronic control system for automatic speed transmission Download PDFInfo
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- CN1084462A CN1084462A CN 92110893 CN92110893A CN1084462A CN 1084462 A CN1084462 A CN 1084462A CN 92110893 CN92110893 CN 92110893 CN 92110893 A CN92110893 A CN 92110893A CN 1084462 A CN1084462 A CN 1084462A
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Abstract
The present invention is a kind of electronic control system for automatic speed transmission that is used for the transmission of tracklaying vehicle hydraulic machinery, by electronic controller, the sensor input, output control, power supply is formed, the sensor input comprises the gear finder, Pattern Select Switch and accelerator pedal displacement, steering wheel angle, braking mode, emergent retaining, engine speed, turbine speed, the speed of a motor vehicle, the oil temperature, oil pressure, oil pressure differs from 1, oil pressure differs from 2 totally 11 sensors, and output control comprises telltale, the chain control circuit of clean boot, by 1 torque converter locking control rapid response solenoid valve and 7 rapid response solenoid valve groups that self shifter control rapid response solenoid valve is formed.
Description
The present invention is mainly used in the automatic gearbox gear shifting control of tracklaying vehicle hydromechanical drive.
At present, tracklaying vehicle hydromechanical drive The Application of Technology is also seldom seen at home, but it is very extensive at western developed country, be used for the tracklaying vehicle hydromechanical drive the Automatic Shift Control aspect electron controls technology at home also nobody did, for the situation of western developed country, also detailed technical material was seen at the end.
Purpose of the present invention is that promptly the hydromechanical drive for tracklaying vehicle designs a kind of electronic control system of autoshift, i.e. electronic control system for automatic speed transmission.
The present invention is made up of electronic controller, sensor input, output control, power supply, sensor input comprises that gear selector, Pattern Select Switch and accelerator pedal displacement, steering wheel angle, braking mode, emergent shelves, engine speed, turbine speed, the speed of a motor vehicle, oil temperature, oil pressure, oil pressure differ from 1, oil pressure differs from 2 totally 11 sensors, and output is controlled and comprised telltale, the chain control circuit of clean boot, controls rapid response solenoid valve and 7 rapid response solenoid valve groups that the Automatic Shift Control rapid response solenoid valve is formed by 1 torque converter locking.
The present invention has following significant advantage:
1. because Redundancy Design has been adopted in main output control of the present invention " rapid response solenoid valve group ", 7 gear shift control rapid response solenoid valves and 1 torque converter locking control rapid response solenoid valve have been used, and its grouping is determined by software fully, thereby can adapt to the needs of various different vehicle, commonality and alerting ability are all very strong.
2. the present invention has designed the chain control circuit of clean boot for engine starting, for the electromagnetic valve group driving circuit has designed anti-extension folk art term fault diagnosis circuit, be the self check of total system after designing fault diagnosis circuit and starting shooting, thereby have very high functional reliability.
3. the signal of gear selector of the present invention uses feature richness, flexible, convenient by software definition and explanation.
4. the accelerator pedal displacement sensor adopts analog sensor, realizes the stepless continuous of Das Gaspedal is detected, and is convenient to realize optimal control and obtains excellent performance.
5. the present invention adopts three tachogens can reflect the rotary speed working state of change-speed box comprehensively and effectively, helps realizing the control of multi-parameter shift schedule, realizes power type, economical optimal control.
Accompanying drawing is one embodiment of the present of invention.
In this embodiment, electronic control system for automatic speed transmission of the present invention is made up of electronic controller, sensor input, output control, power supply,
(1). the sensor input is made up of driver behavior sensor and change-speed box mode of operation sensor.
(1). the driver behavior sensor comprises gear selector, Pattern Select Switch, accelerator pedal displacement sensor, steering wheel angle sensor, braking mode sensor, emergent shelves sensor.
The driver behavior sensor is the sensor that is used to reflect the driver's operation intention.
Gear selector can be made up of one group of switch, forms gear with the switch combination coding and selects signal; In this embodiment, gear selector is made up of 6 switches, and coding forms 9 gears and selects signals, automatic 6 grades, automatic 5 grades, automatic 4 grades, manual maintenance, manually upgrade, manually lower category, neutral gear, fall 1 grade, fall 2 grades.
These 9 gears and 6 encoding relations following (0 opens, and 1 closes) that switch is formed:
Switch 123456 gears
111110 automatic 6 grades
111101 automatic 5 grades
111100 automatic 4 grades
111011 manual maintenances
101011 manual upgrading
110011 manual lowering category
011010 neutral gears
111001 fall 1 grade
111000 fall 2 grades
Automatic 6 grades, automatic 5 grades, automatic 4 grades belong to automatic gear selecting mode, but the highest gear selecting of Yun Xuing is respectively 6,5,4 grades separately, these three gears are selected with Pattern Select Switch provides power type or economical pattern match, and finish vehicle autoshift under conditions such as flat road automatically by electronic control system of the present invention.So-called power type pattern promptly is by the gear shift of the dynamic property principle of optimality, and economical pattern is the principle gear shift by most economical (the most fuel-efficient).
Manual maintenance, manually upgrade, manual lowering category, be three manual operation mode shelves.Manual maintenance makes electronic control system keep current gear to select, and manual upgrading then upgrades on current shelves, and manual lowering category then lowers category on current shelves.Manual operation mode is for fighting and open-air travelling waits complex conditions to prepare, and vehicle is chosen in and travels on which gear, and is definite by chaufeur fully.
Neutral gear is a special gear, on this gear, and the transmission of electronic control system combustion cutoff power.In order to ensure safety, the present invention requires to have only could start the engine when gear is selected to be in this position.
Fall 1 grade, fall 2 grades be two reverse.
Accelerator pedal sensor and steering wheel angle sensor are two displacement sensors, collection be one 0 to 255 the continuous analogue value of representing with byte, they be contained in respectively under the Das Gaspedal and steering wheel shaft on.
The braking mode sensor is contained on the braking mechanism of vehicle, gathers the signal of relevant drag.
Emergent shelves sensor is contained on the emergent shelves, gathers the state of emergent shelves, and when emergent shelves were in emergency rating, the present invention stopped the control to vehicle, all transfers control to chaufeur.
(2). change-speed box mode of operation sensor comprises that engine speed sensor, turbine speed sensor, car speed sensor, oil temperature sensor, oil pressure sensor, oil pressure differ from 1 sensor, oil pressure differs from 2 sensors;
What change-speed box work clothes attitude sensor reflected is the various mode of operations of change-speed box, particularly rotary speed working state.
In this embodiment, be provided with three magnetoelectric tachometric transducers altogether, i.e. engine speed sensor, turbine speed sensor, car speed sensor, they are installed in respectively on the gear relevant with driving engine, turbine, vehicle wheel rotational speed.
Oil temperature sensor is contained on the housing of hydromechanical drive, gathers the oil temperature signal in the fuel tank.Oil pressure sensor is contained in the voltage supply oil duct, gathers the fuel injection pressure signal in the fuel-feed system.
The oil pressure gap sensor is contained on the precision filter, and the oil pressure of gathering its inlet and outlet of fuel channel is poor, and wherein oil pressure differs from 1 sensor and is installed on the precision filter 1, and oil pressure differs from 2 sensors and is installed on the precision filter 2.
Last kind of various sensors all can be selected commercially available finished parts for use.
(2). output control is made up of telltale, the chain control circuit of clean boot, rapid response solenoid valve group.
(1). telltale comprises gear demonstration, failure code demonstration, power type pattern indicator lamp, economical pattern indicator lamp, type hand pattern indicator lamp, emergent indicator lamp, temperature indicator, pressure indicator light, pressure reduction 1 indicator lamp, pressure reduction 2 indicator lamps.
Wherein gear show by 2 charactrons forms, the failure code demonstration also is made up of 2 charactrons; Each indicator lamp is selected light-emitting diode for use.
(2). the chain control circuit of clean boot is made of 1 relay switch and driving circuit thereof; Wherein driving circuit is made of a solid-state relay and auxiliary circuit thereof.
(3). the rapid response solenoid valve group comprises 1 torque converter locking control rapid response solenoid valve and 7 Automatic Shift Control rapid response solenoid valves.These 7 Automatic Shift Control rapid response solenoid valves can require to organize into groups use according to the difference of various vehicles.
Rapid response solenoid valve can be selected commercially available finished product for use, but its response time should be less than 8 milliseconds.
(3). electronic controller is made up of a slice 8098 central process units, a slice 27C128 program store, fault diagnosis circuit, circuit of display driving, electromagnetic valve group driving circuit, gear selector interface circuit, oil temperature sensor interface circuit, tachogen interface circuit, displacement sensor interface circuitry, Boolean value output sensor interface circuit.
(4). the main annexation among this embodiment between the each several part is as follows,
(1). program store links to each other with central process unit and constitutes a general-duty Single Chip Microcomputer (SCM) system.
(2). the gear demonstration of telltale, failure code demonstration, power type pattern indicator lamp, economical pattern indicator lamp, type hand pattern indicator lamp, emergent indicator lamp, temperature indicator all link to each other with central process unit through circuit of display driving.
Gear shows, shows actual gear, with 1,2,3,4,5,6 represent automatic 6 grades, automatic 5 grades, automatic 4 grades, manual maintenance, manually upgrade, manual lowering category, represent neutral gear with 0, with-1 and-2 represent down 1 grade with 2 grades.
Failure code shows, shows the code of the fault that is taken place.Fault is divided into two kinds of self check fault and operating troubless, and the self check fault is the fault of finding in the self check of carrying out after start, and operating troubles is meant the fault in system's discovery in service; As judging that through fault diagnosis circuit the output valve of electromagnetic valve group is different with the value that central process unit sends to, promptly provide electromagnetic valve group job failure code, if occur in the self check then provide selftest failure code,, promptly provide the operating troubles code if occur in servicely.
Power type pattern indicator lamp and the current selection mode of economical pattern indicator lamp display format select switch are power types or economical.The manual mode indicator lamp shows the current manual mode (manual maintenance, manually upgrade, manual lowering category) that whether is operated in.Emergent indicator lamp shows current whether being in the emergency rating.The warm indicator lamp of oil shows the oily temperature whether too high (promptly transfiniting) in the current fuel tank.
(3). each rapid response solenoid valve of rapid response solenoid valve group all links to each other with central process unit through the electromagnetic valve group driving circuit, and electromagnetic valve group driving circuit mouth also links to each other with central process unit through fault diagnosis circuit simultaneously.
The output of electromagnetic valve group driving circuit links to each other with central process unit through fault diagnosis circuit, can realize the anti-extension folk art term of electromagnetic valve group, guarantee the safe operation of change-speed box, also constituted simultaneously continuous monitoring, guaranteed the effective and safe operation of system outlet parts (electromagnetic valve group) the working condition of electromagnetic valve group.
(4). the relay switch of the chain control circuit of clean boot links to each other with central process unit through its driving circuit.Have only when central process unit checks out gear selector and be in neutral gear, emergent shelves and be in non-emergency rating, bearing circle and be in straight state three when errorless, sending can actuation signal, driving circuit control relay switch closure just can start the engine, to guarantee the clean boot of driving engine.
(5). Pattern Select Switch, gear selector link to each other with central process unit through the gear selector interface circuit.The signal of Pattern Select Switch and gear selector all is the switching value signal.
(6). engine speed sensor, turbine speed sensor, car speed sensor all link to each other with central process unit through the tachogen interface circuit.
The impulse singla of three tachogens is sent to central process unit after amplification is shaped to square-wave signal through interface circuit, again through calculating accurate speed revolution value signal.
(7). accelerator pedal displacement sensor, steering wheel angle sensor all link to each other with central process unit through the displacement sensor interface circuitry.Accelerator pedal displacement sensor and steering wheel angle sensor signal all are analog signalses, send central process unit after finishing mould/number conversion and amplify in interface circuit.
(8). braking mode sensor, emergent shelves sensor all link to each other with central process unit through the Boolean value output sensor interface circuit.A braking mode sensor and an emergent shelves sensor also all are the switching value signals, so the Boolean value output sensor interface circuit is essentially identical with the gear selector interface circuit, the signal source difference that its difference is only being handled.
(9). oil temperature sensor links to each other with central process unit through the oil temperature sensor interface circuit.
The sensor of reflection fuel tank oil temperature is a resistance type sensor, and its signal also is an analog quantity, through making comparisons after the judgement with given value, is sent to central process unit again in interface circuit.
(10). oil pressure sensor links to each other with the pressure indicator light of telltale, and oil pressure differs from 1 sensor and links to each other with pressure reduction 1 indicator lamp of telltale, and oil pressure differs from 2 sensors and links to each other with pressure reduction 2 indicator lamps of telltale.
Oil pressure sensor and oil pressure gap sensor have directly provided current oil pressure and whether the oil pressure difference on the respective line transfinites (crossing permissible value), and corresponding indicator lamp is bright when transfiniting.
(11). power supply links to each other with the power end of each several part.Power supply of the present invention is transformed into the needed vdc of each several part with the 24V direct supply on the vehicle and supplies with each several part.Avoid Vehicle Power directly to link to each other, bring various interference into electronic control system with electronic control system.
Fig. 1 is the overall structure scheme drawing of this embodiment.
Among this figure, 1 central process unit, 2 program stores, 3 circuit of display driving, 4 telltales, the chain control circuit of 5 clean boot, 6 electromagnetic valve group driving circuits, 7 rapid response solenoid valve groups, 8 gear selector interface circuits, 9 gear selectors, 10 Pattern Select Switchs, 11 tachogen interface circuits, 12 engine speed sensors, 13 turbine speed sensors, 14 car speed sensors, 15 displacement sensor interface circuitrys, 16 accelerator pedal displacement sensors, 17 steering wheel angle sensors, 18 Boolean value output sensor interface circuits, 19 braking mode sensors, 20 emergent grade sensors, 21 oil temperature sensor interface circuits, 22 oil temperature sensors, 23 oil pressure sensors, 24 oil pressure differ from 1 sensor, 25 oil pressure differ from 2 sensors, 26 power supplys, 27 fault diagnosis circuits.
Fig. 2 is the display circuit schematic diagram of this embodiment.
Among this figure, U1 is that gear shows charactron, and U2 is a fault code display charactron, and the two all is 2 charactrons of LC50X2 type.D1 is a power type pattern indicator lamp, and D2 is economical pattern indicator lamp, D3 manual mode indicator lamp, D4 temperature indicator, D5 pressure indicator light, D6 pressure reduction 1 indicator lamp, D7 pressure reduction 2 indicator lamps, the D8 indicator lamp of meeting an urgent need.D1 to D8 is common light-emitting diode, and R1, R2, R3, R4, R5 are 2.2K.
Fig. 3 is the electromagnetic valve group driving circuit schematic diagram of this embodiment.
Among this figure, U3 is the 74HC573 latch, and U4 is the 74HC245 three-state transceiver, and U5 is the 74HC02 NAND gate, and J1, J2, J3, J4, J5, J6, J7, J8 are 8 J33-3 solid-state relay.
Fig. 4 is the gear selector interface circuit schematic diagram of this embodiment.
Among this figure, U6 is the 74HC245 three-state transceiver, and RG is the RESPACK8 resistor chain, and R6, R7, R8, R9, R10, R11, R12, R13 are 33 Ω.
Fig. 5 is the oil temperature sensor interface circuit schematic diagram of this embodiment.
Among this figure, U7 is the LM2902 four high guaily unit, and U8 is the LM393 not gate, and U9 is the PLT521 optocoupler, R14, R15, R16, R17, R28 are 100 Ω, and R20, R21, R22, R23, R24, R18 are 20K, and R25, R26 are 1K, R19 is 10K, and R27 is 500 Ω, and R29 is 330 Ω.
Fig. 6 is the tachogen interface circuit schematic diagram of this embodiment.Only provided the interface circuit of a tachogen among this figure, in addition the interface circuit of two tachogens and it are identical.
Among this figure, U10 is the LM2902 four high guaily unit, and U11 is the 74HCT14 Schmidt trigger, and R30, R31 are 5.1K, and R32 is 510K, and R33 is 51 Ω, and R34 is 4.7K, and Cl is 0.33 μ, and D9, D10, D11, D12, D13, D14 are the IN4148 diodes.
Fig. 7 is the displacement sensor interface circuitry schematic diagram of this embodiment.Only provided the interface circuit of a displacement sensor among this figure, remaining and it are identical.
Among this figure, U12 is the LM2902 four high guaily unit, and R35 is 24K, and R36 is 47K, and R37 is 10K, and R38 is 150K, and R39 is 200K, and R40 is 1.5K, and C2, C3, C4 are 0.33 μ, and D15, D16 are the IN751 diode,
Fig. 8 is the microcontroller system circuit schematic diagram of this embodiment.
Among this figure, U13 is 8098CPU, and U14 is the 12MHz crystal oscillator, and U15 is the 74HC93 counting machine, U16 is the 74HC245 transceiver, and U17 is the 74HC574 binary pair, and U18 is the 74HC138 decoder, U19 is the PAL16L8 programmable array, and U20 is the 27C128 program store, and U21 is 8253 interface circuits.
Fig. 9 is the circuit of display driving schematic diagram of this embodiment.
Among this figure, U22 is 8279 interface circuits, U23 is the 74HCT14 binary pair, U24 is the 74HC138 decoder, U25 is the 74HC04 phase inverter, U26, U27, U28 are three 75451 actuators, BG1, BG2, BG3, BG4, BG5, BG6, BG7, BG8 are 8 9012 aerotrons, R41, R42, R45, R48, R51, R54, R57, R60, R63 are 4.7K, R43, R46, R49, R52, R55, R58, R61, R64 are 69 Ω, and R44, R47, R50, R53, R56, R59, R62, R65 are 10K.
Figure 10 is the failure circuit schematic diagram of embodiment, among this figure:
U29, U30 are the TLP521 photoelectrical couplers, U31 is the 74HC245 three-state transceiver, U32, U33 are that 74HC is the 74HC02 NAND gate, RG2, RG3 are 4.7K Ω resistor chains, D17, D18, D19, D20, D21, D22, D23, D24 are the IN4148 diodes, and D25, D26, D27, D28, D29, D30, D31, D32 are the IN751 diodes.
Claims (3)
1, electronic control system for automatic speed transmission is made up of electronic controller, sensor input, output control, power supply, it is characterized in that:
(1). the sensor input is made up of driver behavior sensor and change-speed box mode of operation sensor;
(1). the driver behavior sensor comprises gear selector, Pattern Select Switch, accelerator pedal displacement sensor, steering wheel angle sensor, braking mode sensor, emergent shelves sensor;
(2). change-speed box mode of operation sensor comprises that engine speed sensor, turbine speed sensor, car speed sensor, oil temperature sensor, oil pressure sensor, oil pressure differ from 1 sensor, oil pressure differs from 2 sensors;
(2). output control is made up of telltale, the chain control circuit of clean boot, rapid response solenoid valve group;
(1). telltale comprises gear demonstration, failure code demonstration, power type pattern indicator lamp, economical pattern indicator lamp, type hand pattern indicator lamp, emergent indicator lamp, temperature indicator, pressure indicator light, pressure reduction 1 indicator lamp, pressure reduction 2 indicator lamps;
(2). the chain control circuit of clean boot is made of 1 relay switch and driving circuit thereof;
(3). the rapid response solenoid valve group comprises 1 torque converter locking control rapid response solenoid valve and 7 Automatic Shift Control rapid response solenoid valves;
(3). electronic controller is made up of central process unit, program store, fault diagnosis circuit, circuit of display driving, electromagnetic valve group driving circuit, gear selector interface circuit, oil temperature sensor interface circuit, tachogen interface circuit, displacement sensor interface circuitry, Boolean value output sensor interface circuit;
(4). the main annexation between each several part is as follows,
(1). program store links to each other with central process unit;
(2). the gear demonstration of telltale, failure code demonstration, power type pattern indicator lamp, economical pattern indicator lamp, type hand pattern indicator lamp, emergent indicator lamp, temperature indicator all link to each other with central process unit through circuit of display driving;
(3). each rapid response solenoid valve of rapid response solenoid valve group all links to each other with central process unit through the electromagnetic valve group driving circuit, and electromagnetic valve group driving circuit mouth also links to each other with central process unit through fault diagnosis circuit simultaneously;
(4). the relay switch of the chain control circuit of clean boot links to each other with central process unit through its driving circuit;
(5). Pattern Select Switch, gear selector link to each other with central process unit through the gear selector interface circuit;
(6). engine speed sensor, turbine speed sensor, car speed sensor all link to each other with central process unit through the tachogen interface circuit;
(7). accelerator pedal displacement sensor, steering wheel angle sensor all link to each other with central process unit through the displacement sensor interface circuitry;
(8). braking mode sensor, emergent shelves sensor all link to each other with central process unit through the Boolean value output sensor interface circuit;
(9). oil temperature sensor links to each other with central process unit through the oil temperature sensor interface circuit;
(10). oil pressure sensor links to each other with the pressure indicator light of telltale, and oil pressure differs from 1 sensor and links to each other with pressure reduction 1 indicator lamp of telltale, and oil pressure differs from 2 sensors and links to each other with pressure reduction 2 indicator lamps of telltale;
(11). power supply links to each other with the power end of each several part.
2, electronic control system for automatic speed transmission as claimed in claim 1 is characterized in that:
(1). gear selector can be made up of one group of switch, forms gear with the switch combination coding and selects signal;
(2). gear in the telltale show by 2 charactrons forms, the failure code demonstration also is made up of 2 charactrons;
(3). central process unit is a slice 8098, and program store is a slice 27C128;
(4). the relay switch driving circuit of the chain control circuit of clean boot is made of a solid-state relay and auxiliary circuit thereof.
3, as claim 1,2 described electronic control system for automatic speed transmission, it is characterized in that: gear selector is made up of 6 switches, coding forms 9 gears and selects signals, promptly automatic 6 grades, automatic 5 grades, automatic 4 grades, manual maintenance, manually upgrade, manually lower category, neutral gear, fall 1 grade, fall 2 grades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110893 CN1084462A (en) | 1992-09-23 | 1992-09-23 | Electronic control system for automatic speed transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 92110893 CN1084462A (en) | 1992-09-23 | 1992-09-23 | Electronic control system for automatic speed transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1084462A true CN1084462A (en) | 1994-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 92110893 Pending CN1084462A (en) | 1992-09-23 | 1992-09-23 | Electronic control system for automatic speed transmission |
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| CN (1) | CN1084462A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100416138C (en) * | 2003-07-25 | 2008-09-03 | 申铉吾 | A system for starting automatic car in safety and a method thereof |
| CN100487284C (en) * | 2006-08-03 | 2009-05-13 | 同济大学 | Electric controlling device of automatic speed variator for vehicle |
| CN100572860C (en) * | 2002-03-26 | 2009-12-23 | 株式会社博世汽车系统 | The controlling method of automatic transmission for vehicle device and vehicle transmission system |
| CN101042778B (en) * | 2006-03-23 | 2010-06-02 | 株式会社电装 | Vehicle security control system |
| CN1978889B (en) * | 2005-12-09 | 2011-07-27 | 现代自动车株式会社 | Start motor control system for automatic transmission on vehicle |
| CN101260937B (en) * | 2007-03-09 | 2012-10-03 | 加特可株式会社 | Automatic transmission |
| CN105202172A (en) * | 2014-10-08 | 2015-12-30 | 成都安驭科技有限公司 | Gear control mechanism |
| CN110296214A (en) * | 2018-03-23 | 2019-10-01 | 丰田自动车株式会社 | Controller or power-transmission system for vehicle |
-
1992
- 1992-09-23 CN CN 92110893 patent/CN1084462A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100572860C (en) * | 2002-03-26 | 2009-12-23 | 株式会社博世汽车系统 | The controlling method of automatic transmission for vehicle device and vehicle transmission system |
| CN100416138C (en) * | 2003-07-25 | 2008-09-03 | 申铉吾 | A system for starting automatic car in safety and a method thereof |
| CN1978889B (en) * | 2005-12-09 | 2011-07-27 | 现代自动车株式会社 | Start motor control system for automatic transmission on vehicle |
| CN101042778B (en) * | 2006-03-23 | 2010-06-02 | 株式会社电装 | Vehicle security control system |
| CN100487284C (en) * | 2006-08-03 | 2009-05-13 | 同济大学 | Electric controlling device of automatic speed variator for vehicle |
| CN101260937B (en) * | 2007-03-09 | 2012-10-03 | 加特可株式会社 | Automatic transmission |
| CN105202172A (en) * | 2014-10-08 | 2015-12-30 | 成都安驭科技有限公司 | Gear control mechanism |
| CN110296214A (en) * | 2018-03-23 | 2019-10-01 | 丰田自动车株式会社 | Controller or power-transmission system for vehicle |
| CN110296214B (en) * | 2018-03-23 | 2020-11-06 | 丰田自动车株式会社 | Controller or power transmission system for vehicle |
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