CN101519066A - Gear shift and air damper management during cruise control process - Google Patents
Gear shift and air damper management during cruise control process Download PDFInfo
- Publication number
- CN101519066A CN101519066A CN200810082516A CN200810082516A CN101519066A CN 101519066 A CN101519066 A CN 101519066A CN 200810082516 A CN200810082516 A CN 200810082516A CN 200810082516 A CN200810082516 A CN 200810082516A CN 101519066 A CN101519066 A CN 101519066A
- Authority
- CN
- China
- Prior art keywords
- gear shift
- tcc
- operating point
- speed
- vehicle
- Prior art date
- 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.)
- Pending
Links
Images
Landscapes
- Controls For Constant Speed Travelling (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The invention relates to a control system for adjusting the operation of a vehicle comprising a gear shift driven by an engine in the cruise control mode period. The control system comprises a first module which determines the operating point of the vehicle and compares the operating point with a gear shift cable or the release cable of a torque converter clutch (TCC). When the operating point is positioned in the threshold value distance of the gear shift cable or the gear shift cable of the TCC, a second module adjusts the air damper of the engine to maintain the operating point at the threshold value distance.
Description
The cross reference of related application
[0001] the application requires the U.S. Provisional Application No.60/794 of submission on April 25th, 2006,797 right.The disclosure of above-mentioned application is incorporated herein for your guidance.
Technical field
[0002] the present invention relates generally to the engine throttle gate control, relates more particularly to the engine throttle gate control during the cruising control.
Background technology
[0003] thus combustion engine combustion fuel and air mixture driven plunger in cylinder produce driving torque.Driving engine is via the connecting device drive speed transmission.Air is inhaled into driving engine and measures via throttle gate.Change-speed box can comprise automatic transmission with hydraulic torque converter, can use control module to regulate shifting of transmission based on the vehicle operating state thus.Alternatively, change-speed box can comprise hand-operated transmission, can manually carry out gear shift by vehicle operator thus.
[0004] CCS cruise control system is used on vehicle so that vehicle can keep the speed of a motor vehicle that requires.In being furnished with the vehicle of control system of electronic throttle valve, CCS cruise control system provides basic proportional integral (PI) (PI) control based on speed of a motor vehicle error.Yet PI control is not considered the outside index word of vehicle acceleration and is supposed that only vehicle acceleration is input as Throttle Position.Therefore, but the speed of a motor vehicle of keeping requirement provides the cruising control of acceptable smoothness and perceived quality simultaneously is difficult.
Summary of the invention
[0005] therefore, the invention provides a kind of control system that comprises by the operation of the vehicle of engine-driven change-speed box that during cruise mode control, is used for regulating.This control system comprises first module, and this first module is determined the operating point of vehicle and this operating point and one of gear shift line and converter clutch (TCC) release wire are compared.When the throttle gate of second module adjusting driving engine was positioned at threshold distance with convenient operating point, maintaining operating point apart from one of gear shift line and TCC release wire was threshold distance.
[0006] according to a feature, operating point is according to Throttle Position and speed of a motor vehicle decision.
[0007] according to another feature, during greater than threshold distance, second module is regulated throttle gate according to speed of a motor vehicle error at operating point.Second module is according to traditional ratio-integration (PI) control and regulation throttle gate.
[0008] according to another feature, first module need to determine whether gear shift and TCC in discharging one that the speed of a motor vehicle is maintained the speed of a motor vehicle of requirement, and this control system further comprises the 3rd module, during this module starting gear shift and TCC discharge this.This control system further comprises four module, makes even become (ramp) of throttle gate to the position that requires before the 3rd module is started in discharging this of described gear shift and TCC.Second module determines whether in discharging one of needs gear shift and TCC according to the vehicle operating parameter.
[0009] according to the detailed description that next provides, other field that the present invention is suitable for will be apparent.Very clear, though illustrate the preferred embodiments of the present invention, detailed description and specific embodiment only play graphic purpose and do not plan and limit the scope of the invention.
Description of drawings
[0010] according to the accompanying drawing that describes in detail and follow, invention will be more fully understood, wherein:
[0011] Fig. 1 is the functional block diagram of example vehicle system, and the throttle-valve control that cruises according to the present invention is regulated this system;
[0012] Fig. 2 is the diagram of circuit that illustrates the illustrative steps of being carried out by the throttle-valve control that cruises of the present invention; With
[0013] Fig. 3 is the functional block diagram of example modules, and this module is carried out the throttle-valve control that cruises of the present invention.
The specific embodiment
[0014] following description of a preferred embodiment only is exemplary in essence and determines and do not plan to limit invention, its application, or uses.For clear, use identical reference number to identify similar elements in the accompanying drawings.Just as used herein, term module and/or equipment refer to special IC (ASIC), electronic circuit, are used to carry out the treater of one or more softwares or firmware program (share, special-purpose or in groups) and memory device, combinational logic circuit and/or other suitable element of described function is provided.
[0015], illustrates example vehicle system 10 with reference now to Fig. 1.This Vehicular system comprises the driving engine 12 via connecting device 16 drive speed transmission 14.More particularly, through throttle gate 18 air is sucked induction maniflod 20, this induction maniflod arrives the cylinder (not shown) with air distribution.Air-fuel as required (A/F) ratio is with air and fuel mix, and this A/F compound burns to produce driving torque in cylinder interior.Residues of combustion is discharged and was handled catalytic convertor 23 before being discharged into atmosphere from driving engine 12 via dontake pipe 22.
[0016] under the situation of automatic transmission with hydraulic torque converter, connecting device 16 is the tor-cons that comprise converter clutch (TCC) (not shown).This TCC can and can make moment of torsion be directly delivered to from driving engine 12 under the locking mode of change-speed box 14 in non-locking pattern (promptly discharging) that the moment of torsion that will be delivered to change-speed box 14 from driving engine 12 amplifies and operate.More particularly, in non-locking pattern, this tor-con provides the fluid power coupling between engine output shaft (not shown) and input shaft (not shown).In locking mode, TCC connection engine output shaft and input shaft are so that common rotation.Under the situation of hand gear, connecting device 16 is by the vehicle operators manual drives so that make engine output shaft and power-transfer clutch that input shaft separates selectively from co-rotation.
[0017] control module 24 is regulated the operation of driving engine 12 and change-speed box 14 according to various vehicle operating parameters.What can expect is that control module 24 can comprise individual module or a plurality of submodule, includes but not limited to engine control module (ECM) and/or transmission control module (TCM).
[0018] Mass Air Flow (MAF) sensor produces the MAF signal according to the MAF that enters driving engine 12.Engine RPM sensor 30 produces the RPM signal according to the rotative speed of the bent axle (not shown) of driving engine 12.Throttle position sensor 34 produces the throttle position signal (TPS) of performance chaufeur throttle gate input.The position of control module 24 electronic control throttles 18 is so that regulate the air-flow that enters driving engine.Car speed sensor 36 produces vehicle speed signal (V
VEH).What can expect is that car speed sensor 36 includes but not limited to the wheel (not shown) is rotated the abs sensor that responds.What it is also contemplated that is to comprise that the vehicle acceleration sensor (not shown) comes monitor vehicle acceleration/accel (a
VEH).Replacedly, control module 24 can be calculated a according to other operating conditions of sensing
VEH
[0019] control module 24 is also regulated the operation of driving engine 12 in cruise mode control (for example self adaptation or mode standard) according to operator's input.More particularly, when the operator taked cruising control (being ON), control module 24 throttle-valve control that cruises according to the present invention was regulated the operation of driving engine 12 and change-speed box 14 so that keep the speed of a motor vehicle (V of requirement
DES).
[0020] during cruising and under the situation of automatic transmission with hydraulic torque converter, control module 24 is regulated shifting of transmission and TCC pattern according to the vehicle operating state.More particularly, based on Throttle Position and V
VEHUse pre-programmed gearshift map or chart to determine gear shift.When vehicle surpasses threshold distance (d apart from gear shift line or TCC release wire in chart
THR) point (be Throttle Position and V
VEH) when locating to operate, control module 24 uses traditional ratio-integration (PI) to control driving engine 12 and change-speed box 14.Under PI control, according to speed of a motor vehicle error (V
ERR), i.e. V
VEHAnd V
DESBetween difference regulate Throttle Position.
[0021] when vehicle in chart apart from gear shift or the TCC release wire equals or near d
THRSome place when operation, allow the throttle-valve control that cruises of the present invention.More particularly, the PI control end and the throttle-valve control adjusting Throttle Position of cruising are d to follow the tracks of gear shift or TCC release wire so that keep apart from this line
THRDuring this, the throttle-valve control that cruises is analyzed several parameters and need to be determined whether gear shift (for example gear down) or TCC to discharge.Utilize this mode, the throttle-valve control that cruises provides will keep V
VEHAt V
DESThe middle smooth operation that increases, but so that improve the perceived quality of CCS cruise control system and vehicle itself.
[0022] this throttle-valve control assessment vehicle operating parameter of cruising need to determine whether gear shift (for example gear down).This vehicle operating parameter includes but not limited to V
ERR, a
VEH, MAP, motor torque deposit and performance enriching begin.The motor torque deposit is defined as for given transmitting ratio, surpasses the amount of the utilized motor torque of the torque that offers wheel.
[0023] if showing vehicle, the vehicle operating parameter can realize V
DES, then limit gear shift or TCC and discharge, and regulate throttle gate so that keep apart from the d of gear shift or TCC release wire
THRYet, obtain V if display requirement gear shift of vehicle operating parameter or TCC discharge
DES, then the even change of throttle gate increases to and requires the position, switches back PI control.Discharge in case carry out gear shift or TCC, the throttle-valve control that cruises can be realized once more for next gear shift or TCC release wire.Utilize this mode, when the operation vehicle runs into the slope then on horizontal road, carry out the potential increase that TCC discharges or gear shift may occur in the wheel torque if the throttle-valve control that cruises is handled.Should be pointed out that under the situation of automatic transmission with hydraulic torque converter gear shift can be carried out in much lower Throttle Position, smoothness and the perceptible quality that gear shift provides the increase of CCS cruise control system early takes place on the slope or in handling thus.
[0024] under the situation of hand gear, the throttle-valve control that cruises can not cause or the gear shift of limiting transmission 14.Alternatively, the throttle-valve control that cruises starting gear shift indicating device, this indicating device be appreciiable, can hear or the both have, and this indicating device indication chaufeur should carry out gear shift.
[0025], the illustrative steps of carrying out by the throttle-valve control that cruises will be discussed in detail with reference now to Fig. 2.In step 200, whether control is determined to cruise is ON.Be not ON if cruise, control is returned.Be ON if cruise, be controlled at monitor vehicle operating parameter in the step 202.In step 204, control determines that current operating point is whether apart from gear shift or the TCC release wire is in or near d
THRIf current operating point not or keep off d
THR, be controlled in the step 206 according to PI control and regulation Throttle Position and return step 200.If current operating point is or near d
THR, be controlled in the step 208 and regulate throttle gate so that operating point is followed the tracks of gear shift or TCC release wire so that keep d
THR
[0026] in step 210, control determines whether that according to the vehicle operating parameter needs gear shift or TCC discharge.If do not need gear shift or TCC to discharge, step 200 is returned in control.If require gear shift or TCC to discharge, be controlled in the step 212 and continue.In step 212, control makes even the changing to of throttle gate require the position based on PI in control.Control starting gear shift or TCC discharge in step 214, and finish.Under the situation of hand gear, there are not execution in step 214 and 216.Alternatively, control starting and indication are so that the indication chaufeur should be carried out hand shift.
[0027], the cruise example modules of throttle-valve control of the present invention will discuss be carried out in detail with reference now to Fig. 3.This example modules comprises the module 300 of cruising, control policy module 302, throttle gate module 304, gear shift/TCC module 306 and change-speed box module 308.The module of cruising 302 is changed vehicle operating and is provided V to control policy module 302 between ON/OFF
DES
[0028] according to V
DES, V
VEHWith the gear shift that is provided by change-speed box module 308 or TCC point of release data with in other vehicle operating parameter of preceding detailed description, control policy module 302 is that throttle gate module 304 and gear shift/TCC module 306 produce control signals.More particularly, when vehicle operating is during apart from gear shift or TCC release wire threshold distance, control policy module 302 produces control signals and regulates Throttle Position so that control according to traditional PI.If vehicle is operated in the certain limit of gear shift or TCC release wire, control policy module 302 produces control signals so that gear shift of vehicle operating parameter tracking or TCC release wire and limit gear shift or TCC discharges.If require gear shift or TCC release, control policy module 302 produces control signals so that spare traitorous valve and start gear shift and/or TCC release according to traditional PI control.
[0029] those skilled in the art's book understanding according to the above description now, extensive instruction of the present invention can realize in a variety of forms.Therefore, though describe the present invention in conjunction with specific embodiment, true scope of the present invention is restriction not so because with reference to the accompanying drawings, the research of specification sheets and subsequent claims, other improvement is conspicuous for those skilled in the art.
Claims (21)
1. a control system is used for regulating the operation that comprises by the vehicle of engine-driven change-speed box during cruise mode control, and this control system comprises:
First module is determined the operating point of described vehicle and one in described operating point and gear shift line and converter clutch (TCC) release wire is compared; With
Second module when described operating point is in described one threshold distance in described gear shift line and the described TCC release wire, is regulated the throttle gate of described driving engine so that described operating point maintains described threshold distance.
2. control system as claimed in claim 1 is characterized in that determining described operating point according to the Throttle Position and the speed of a motor vehicle.
3. control system according to claim 1 is characterized in that described second module is regulated described throttle gate according to speed of a motor vehicle error when described operating point during greater than described threshold distance.
4. control system according to claim 3 is characterized in that described second module controls to adjust described throttle gate according to traditional ratio-integration (PI).
5. control system according to claim 1, it is characterized in that described first module need to determine whether gear shift and TCC in discharging one the described speed of a motor vehicle being maintained the speed of a motor vehicle of requirement, and further comprise described gear shift of starting and described TCC the 3rd described one module in discharging.
6. control system according to claim 5 further is included in described the 3rd module and makes the even four module that requires the position that changes to of described throttle gate before starting in discharging described one of described gear shift and described TCC.
7. control system according to claim 5 is characterized in that described second module determines whether in discharging one of needs gear shift and TCC according to the vehicle operating parameter.
8. the operating period in cruise mode control is regulated and comprises by the method for the vehicle of engine-driven change-speed box, comprising:
Determine the operating point of described vehicle;
One in described operating point and gear shift line and converter clutch (TCC) release wire is compared; With
When described operating point is in described one threshold distance in described gear shift line and the described TCC release wire, regulate the throttle gate of described driving engine so that described operating point maintains described threshold distance.
9. method as claimed in claim 8 is characterized in that determining described operating point according to the Throttle Position and the speed of a motor vehicle.
10. method according to claim 8 further comprises when described operating point during greater than described threshold distance, regulates described throttle gate according to speed of a motor vehicle error.
11. method according to claim 10 is characterized in that controlling to adjust described throttle gate according to traditional ratio-integration (PI).
12. method according to claim 8 further comprises:
Need to determine whether gear shift and TCC in discharging one with the speed of a motor vehicle that the described speed of a motor vehicle maintained requirement and
Start described in described gear shift and the described TCC release.
13. method according to claim 12, described one that further is included in described gear shift of starting and the described TCC release makes even the changing to of described throttle gate require the position before.
14. method according to claim 12 is characterized in that determining whether needing gear shift and TCC in discharging one to be based on the vehicle operating parameter.
15. an adjusting comprises by the method for the vehicle of engine-driven change-speed box, comprising:
Determine whether cruise mode control is opened;
The monitoring speed of a motor vehicle;
Determine the operating point of described vehicle according to the described speed of a motor vehicle;
One in described operating point and gear shift line and converter clutch (TCC) release wire is compared; With
When opening, described cruise mode control when described operating point is in described one threshold distance in described gear shift line and the described TCC release wire, regulates the described throttle gate that starts so that described operating point maintains described threshold distance.
16. method as claimed in claim 15 is characterized in that further determining described operating point according to Throttle Position.
17. method according to claim 15 further comprises when described operating point during greater than described threshold distance, regulates described throttle gate according to speed of a motor vehicle error.
18. method according to claim 17 is characterized in that controlling to adjust described throttle gate according to traditional ratio-integration (PI).
19. method according to claim 15 further comprises:
Need to determine whether gear shift and TCC in discharging one with the speed of a motor vehicle that the described speed of a motor vehicle maintained requirement and
Start described in described gear shift and the described TCC release.
20. method according to claim 19, described one that further is included in described gear shift of starting and the described TCC release makes even the changing to of described throttle gate require the position before.
21. method according to claim 19 is characterized in that determining whether needing gear shift and TCC in discharging one to be based on the vehicle operating parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810082516A CN101519066A (en) | 2008-02-27 | 2008-02-27 | Gear shift and air damper management during cruise control process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810082516A CN101519066A (en) | 2008-02-27 | 2008-02-27 | Gear shift and air damper management during cruise control process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101519066A true CN101519066A (en) | 2009-09-02 |
Family
ID=41079915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810082516A Pending CN101519066A (en) | 2008-02-27 | 2008-02-27 | Gear shift and air damper management during cruise control process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101519066A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691547A (en) * | 2013-12-05 | 2015-06-10 | 罗伯特·博世有限公司 | Modular cruise control device for motor vehicle |
-
2008
- 2008-02-27 CN CN200810082516A patent/CN101519066A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104691547A (en) * | 2013-12-05 | 2015-06-10 | 罗伯特·博世有限公司 | Modular cruise control device for motor vehicle |
| CN104691547B (en) * | 2013-12-05 | 2019-12-06 | 罗伯特·博世有限公司 | Modular speed control device for a motor vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US6920865B2 (en) | Mechatronic vehicle powertrain control system | |
| US8666620B2 (en) | Method for controlling an automated geared transmission | |
| US8301351B2 (en) | Gear shift system for vehicle, control method and control device for automatic transmission | |
| CN101134463B (en) | Shift and throttle management during cruise control | |
| CN102483153B (en) | Method for determination of gearshift points | |
| SE525309C2 (en) | Automatic freewheel method for lorry with automatic gearbox, deactivates freewheeling and activating brakes when given maximum vehicle speed is exceeded | |
| EP2418401A1 (en) | Vehicle, vehicle control method and control device | |
| US7101313B2 (en) | Motor vehicle powertrain control method for low traction conditions | |
| EP2478260A1 (en) | Method for determination of gearshift points | |
| US20080293541A1 (en) | System and method for selecting a transmission gear ratio | |
| SE0950655A1 (en) | Determination of one or more switching points | |
| US7413526B2 (en) | Automatic shifting-operation control system | |
| US5245541A (en) | System for and method of controlling automatic transmission | |
| JP4178891B2 (en) | Vehicle driving force control method and driving force control apparatus using the method | |
| SE0950658A1 (en) | Switching point control system | |
| CN101519066A (en) | Gear shift and air damper management during cruise control process | |
| CN101112895B (en) | Control system of synthesized control input and method | |
| US7983826B2 (en) | Control apparatus and control method for drive source | |
| JP3003757B2 (en) | Vehicle driving force control device | |
| EP2478261B1 (en) | System for control of a gearbox | |
| US6871130B2 (en) | Method of controlling an automatic transmission | |
| SE1050099A1 (en) | Procedure and system for controlling a gearbox | |
| KR100354023B1 (en) | Method for controlling fuel of auto transmission in vehicle | |
| JP2019064412A (en) | Vehicular control device | |
| EP1499514B1 (en) | Method for controlling a clutch coupling via a brake control and a device for the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20090902 |