CN102494053A - Control system of automatic clutch and method thereof - Google Patents
Control system of automatic clutch and method thereof Download PDFInfo
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- CN102494053A CN102494053A CN2011103584608A CN201110358460A CN102494053A CN 102494053 A CN102494053 A CN 102494053A CN 2011103584608 A CN2011103584608 A CN 2011103584608A CN 201110358460 A CN201110358460 A CN 201110358460A CN 102494053 A CN102494053 A CN 102494053A
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Abstract
The invention provides a control system of an automatic clutch and a method of the control system, which are used for automatically controlling a clutch of a motor vehicle. The control system includes a vehicle speed collection module, a rotational speed collection module, an analog-to-digital converter, an MCU, a digital-to-analog converter and a stepping motor. In the invention, the vehicle speed of the motor vehicle as well as the rotational speed of an engine can be obtained simultaneously through a vehicle speed sensor and a rotational speed sensor, meanwhile, judgment information and perfect processing program can be input accurately and reasonably through the MCU, so that the clutch can be meshed more reasonably; and the information can be input constantly through the vehicle speed sensor and the rotational speed sensor, and treatment can be performed by a singlechip timely, so that the control system tends to be more intelligent.
Description
Technical field
The present invention relates to microcomputer electron controls technology field, particularly relate to a kind of vehicle speed sensor and speed probe measurement external information utilized the speed of a motor vehicle, engine speed are monitored to realize the clutch automatic clutch control system and the method thereof of work automatically.
Background technique
Automatic clutch is a kind of centrifugal motion through its clutch block when the main shaft high speed rotating and to the transmission device of the automatic transmitting torque of driven shaft, be one of vitals of Motor Vehicle.
Through to from/manually keep off the literature search of clutch; Can know that the more a kind of automatic clutch operation system of current employing mainly is to rely on clutch lacing wire one end on the original clutch pedal is hung on the angle of the V-arrangement balance arm that is driven by micro motor; The lacing wire the other end is motionless on disengaging yoke; Hang the spring of a balance clutch working pulling force on the another angle of V-arrangement balance arm; Spring is fixed on the housing of controller, thereby the working state that reaches automatic solenoidoperated cluthes meets the requirement of going.Yet; Though this automatic clutch operation system has realized the effect of automatic pulling clutch, it can not make power transmission and positioning control can accurately accomplish the automatic control to clutch easily, and then makes power transmission reach the optimum state; Drive comfortablely, and loss is big.
University Of Chongqing is the more another kind of automatic clutch operating structure of current employing in the Chinese patent 200610054409.7 of " the motor-driven dry clutch hydrostatic drive device " by name of application on July 3rd, 2006; This patent essence has disclosed a kind of control gear that dry clutch in electric-controlled mechanical automatic speed transmission or the automatic clutch formula manual transmission vehicles is housed; This device is by motor driving; Promote the axial motion of clutch master cylinder piston through the feed screw nut, make the fluid in the master cylinder produce pressure, promote the clutch working cylinder action; Promote clutch release bearing by the clutch working cylinder piston; Overcome clutch diaphragm spring power and make clutch separation and engage, adopt power assistant spring mechanism, in order to partial equilibrium because the effect of clutch diaphragm spring power; The hydraulic coupling that in clutch master cylinder, produces reduces the required torque of promotion clutch master cylinder piston greatly.
Though yet that this automatic clutch control structure has is simple in structure, make that maintenance cost is low, control is reliable and owing to adopt power assistant spring can reduce the advantages such as power and moment of required drive motor; But because it adopts oil pressure sensor; Fuel consumption is big; Befouling environment, and the real intention of the operation of judgement driver gearshift that can't be intelligent can't make the driver the most reasonably use clutch.
In sum; The automatic clutch operating structure that can know prior art exists can not accurately be accomplished the automatic control of clutch easily and then makes power transmission reach the optimum state or have the big befouling environment of oil consumption and problem such as intellectuality inadequately; Therefore; Be necessary to propose improved technological means in fact, solve this problem.
Summary of the invention
For overcoming the deficiency that above-mentioned existing technology exists; Main purpose of the present invention is to provide a kind of control system and method thereof of automatic clutch; It can intelligence the real intention of operation of judgement driver gearshift, solve the driver according to intellectualized system and can't use the most reasonable approach to use the problem of clutch, finally through the clutch method of work automatically; More effectively reduce the oil consumption of Motor Vehicle, make vehicle operation intelligent more.
For reaching above-mentioned and other purpose, a kind of automatic clutch control system of the present invention comprises at least:
Speed of a motor vehicle collection module is used for the travelling speed of Motor Vehicle is collected;
The rotating speed collection module is used for the engine speed of this Motor Vehicle is carried out data collection;
Analog-digital converter is connected in the output terminal of this speed of a motor vehicle collection module and this rotating speed collection module, is used for the data that this speed of a motor vehicle collection module and this rotating speed collection module are collected are carried out analog-to-digital conversion;
MCU is connected in this analog-digital converter, and the signal that is used for that this analog-digital converter is passed over carries out generating command signal output after the analysing and processing;
Digital to analog converter is connected in this MCU, is used for this command signal is carried out digital-to-analog conversion, converts the command signal of simulation into; And
Stepper motor is connected in this digital to analog converter and this clutch, under the command signal control of this simulation, to carry out work, this clutch is controlled automatically.
Further, this speed of a motor vehicle collection module is a vehicle speed sensor.
Further, this rotating speed collection module is a speed probe.
Further, this speed of a motor vehicle collection module and this rotating speed collection module are installed on this Motor Vehicle front end
Further, this stepper motor and match equipment thereof are contained under the pedal of this clutch, are used to draw this clutch.
Further, this MCU carries out following analysing and processing with the signal that this analog-digital converter passes over:
Situation 1:v=0, r>R, the Motor Vehicle starting, this MCU sends this stepper motor traction clutch and steps on the command signal of putting slowly soon;
Situation 2:v=0, r≤R, this MCU send the idle command signal of this stepper motor;
Situation 3:v ≠ 0, r >=R, v >=V, this MCU send the command signal that this stepper motor traction clutch is stepped on soon soon put;
Situation 4:v ≠ 0, r<R, v >=V, this MCU send this stepper motor traction clutch and step on the command signal of putting slowly soon
Situation 5:v ≠ 0, r more than or equal to or less than R, v<V, this MCU send the idle command signal of this stepper motor;
Wherein, r, v are respectively the signal value of this rotating speed collection module and the collection of speed of a motor vehicle collection module, and R, V are for reference reference value.
Further, this MCU is a single-chip microcomputer.
For reaching above-mentioned and other purpose, the present invention also provides a kind of controlling method of automatic clutch, and it comprises the steps:
The travelling speed that the gathering machine motor-car is current;
Collect the rotating speed of this motor car engine;
The travelling speed and the engine speed that obtain are carried out analog-to-digital conversion;
MCU carries out analysing and processing to the digital signal after changing, and generates corresponding command signal;
This command signal is carried out the command signal of digital-to-analog conversion for simulation; And
By the command signal control step machine operation of this simulation, realize automatic control to this clutch.
Further, the digital signal of this MCU after to conversion carried out the analysing and processing step and is:
Situation 1:v=0, r>R, the Motor Vehicle starting, this MCU sends this stepper motor traction clutch and steps on the command signal of putting slowly soon;
Situation 2:v=0, r≤R, this MCU send the idle command signal of this stepper motor;
Situation 3:v ≠ 0, r >=R, v >=V, this MCU send the command signal that this stepper motor traction clutch is stepped on soon soon put;
Situation 4:v ≠ 0, r<R, v >=V, this MCU send this stepper motor traction clutch and step on the command signal of putting slowly soon
Situation 5:v ≠ 0, r more than or equal to or less than R, v<V, this MCU send the idle command signal of this stepper motor;
Wherein, r, v are respectively the signal value of this rotating speed collection module and the collection of speed of a motor vehicle collection module, and R, V are for reference reference value.
Compared with prior art; The control system of a kind of automatic clutch of the present invention and method through vehicle speed sensor and speed probe when obtaining Motor Vehicle self speed of a motor vehicle and obtain the rotating speed of motor; Utilize single-chip microcomputer accurately reasonably to import judgement information and perfect processor simultaneously, clutch is more reasonably meshed, the present invention constantly imports information through vehicle speed sensor and speed probe; Single-chip microcomputer is in time handled, and makes the present invention be more prone to intellectuality.
Description of drawings
Fig. 1 is the system architecture diagram of the control system of a kind of automatic clutch of the present invention;
Fig. 2 is the structural representation of the preferred embodiment of a kind of automatic clutch control system of the present invention;
Fig. 3 is the flow chart of steps of the controlling method of a kind of automatic clutch of the present invention.
Embodiment
Below through specific instantiation and accompanying drawings mode of execution of the present invention, those skilled in the art can understand other advantage of the present invention and effect easily by the content that this specification disclosed.The present invention also can implement or use through other different instantiation, and each item details in this specification also can be based on different viewpoints and application, carries out various modifications and change under the spirit of the present invention not deviating from.
Fig. 1 is the system architecture diagram of the control system of a kind of automatic clutch of the present invention.As shown in Figure 1; The control system of a kind of automatic clutch of the present invention is used for the automatic clutch of Motor Vehicle is controlled; So that vehicle operation is intelligent more; Further improve the Motor Vehicle shifting system, improve the rideability of Motor Vehicle, this automatic clutch control system comprises: speed of a motor vehicle collection module 11, rotating speed collection module 12, analog-digital converter 13, MCU14, digital to analog converter 15 and stepper motor 16.
Wherein speed of a motor vehicle collection module 11 is used for the travelling speed of Motor Vehicle is collected, and rotating speed collection module 12 is used for the engine speed of Motor Vehicle is carried out data collection; Analog-digital converter 13 is linked to the output terminal of speed of a motor vehicle collection module 11 and rotating speed collection module 12, and it mainly is that the signal that speed of a motor vehicle collection module 11 and rotating speed collection module 12 are collected is carried out being delivered to MCU14 after the analog-to-digital conversion; The signal that the MCU14 amenable to process passes over analog-digital converter 13 carries out generating command signal output after the analysing and processing; Digital to analog converter 15 is connected in MCU14, and it mainly is that command signal that MCU14 is sent exports stepper motor 16 to after through digital-to-analog conversion, and control step motor 16 fill order signals are accomplished the automatic control to clutch.
Fig. 2 is the structural representation of the preferred embodiment of a kind of automatic clutch control system of the present invention.Below will cooperate Fig. 2 to further specify the present invention's working principle through an object lesson.In preferred embodiment of the present invention, speed of a motor vehicle collection module 11 is a vehicle speed sensor 3, and rotating speed collection module 12 is an engine rotation speed sensor 2; Before itself and vehicle speed sensor 3 all are installed on Motor Vehicle, are respectively applied for and the travelling speed of engine speed and Motor Vehicle is carried out exporting to after the data collection analog-digital converter (A/D converter, not shown) 13 carry out the A/D conversion; MCU14 is a single-chip microcomputer 1; The signal that its amenable to process will pass through after the A/D conversion carries out analysing and processing, generates corresponding command signal and exports digital to analog converter (D/A converter, not shown) 15 to and carry out the D/A conversion; In preferred embodiment of the present invention; Stepper motor 6 and match equipment thereof are contained in the pedal 5 times of automobile clutch 4, are used to draw clutch, after the command signal after the D/A conversion arrives stepper motor 6; 6 work of control step motor, thus realize automatic control to clutch.
The principle Analysis of automatic clutch control system of the present invention is following:
Suppose that r, v are respectively the signal value of speed probe 2 and vehicle speed sensor 3 collections; R, V are for reference reference values, and they are according to reference and national relevant legal articles preliminary settlement, and its concrete numerical value need be according to the continuous adjustment of the experiment test after system's moulding and final definite.
Situation 1:v=0, r>R, the starting of expression Motor Vehicle, MCU14 sends stepper motor 6 traction clutches and steps on the command signal of putting slowly soon;
Situation 2:v=0, r≤R, MCU14 send stepper motor 6 idle command signals;
Situation 3:v ≠ 0, r >=R, v >=V, in the expression motor-driven vehicle going, MCU14 sends the command signal that stepper motor 6 traction clutches are stepped on soon soon put;
Situation 4:v ≠ 0, r<R, v >=V, in the expression motor-driven vehicle going, MCU14 sends stepper motor 6 traction clutches and steps on the command signal of putting slowly soon;
Situation 5:v ≠ 0, r more than or equal to or less than R, v<V.MCU14 sends stepper motor 6 idle command signals.
Fig. 3 is the flow chart of steps of the controlling method of a kind of automatic clutch of the present invention.As shown in Figure 3, the controlling method of a kind of automatic clutch of the present invention comprises the steps:
Step 304 is carried out digital-to-analog conversion with this command signal, converts the command signal of simulation into; And
Step 305 by the command signal control step machine operation of this simulation, realizes the automatic control to clutch.
In sum; A kind of automatic clutch control system of the present invention and method through vehicle speed sensor and speed probe when obtaining Motor Vehicle self speed of a motor vehicle and obtain the rotating speed of motor; Utilize single-chip microcomputer accurately reasonably to import judgement information and perfect processor simultaneously, clutch is more reasonably meshed, constantly import information through vehicle speed sensor and speed probe; Single-chip microcomputer is in time handled, and makes the present invention be more prone to intellectuality.
The invention has the advantages that: applied to situation and Motor Vehicle self velocity amplitude that vehicle speed sensor is collected of the speed probe gathering machine motor-car motion of motor, the real intention of the operation of judgement driver gearshift that can intelligence solves the driver according to intellectualized system and can't use the most reasonable approach to use this problem of clutch; Final method of working automatically through clutch more effectively reduces the oil consumption of Motor Vehicle, makes vehicle operation intelligent more; Further improve the Motor Vehicle shifting system; Improve the motor-driven vehicle going performance, compare existing technology simultaneously, the present invention has fuel-efficient; Easy to operate; And can effectively prevent the generation of flame-out situation to be adapted to all kinds of drivers' use, bring glad tidings to new hand and legs and feet inconvenience person.
The foregoing description is illustrative principle of the present invention and effect thereof only, but not is used to limit the present invention.Any those skilled in the art all can be under spirit of the present invention and category, and the foregoing description is modified and changed.Therefore, rights protection scope of the present invention should be listed like claims.
Claims (9)
1. automatic clutch control system comprises at least:
Speed of a motor vehicle collection module is used for the travelling speed of Motor Vehicle is collected;
The rotating speed collection module is used for the engine speed of this Motor Vehicle is carried out data collection;
Analog-digital converter is connected in the output terminal of this speed of a motor vehicle collection module and this rotating speed collection module, is used for the data that this speed of a motor vehicle collection module and this rotating speed collection module are collected are carried out analog-to-digital conversion;
MCU is connected in this analog-digital converter, and the signal that is used for that this analog-digital converter is passed over carries out generating command signal output after the analysing and processing;
Digital to analog converter is connected in this MCU, is used for this command signal is carried out digital-to-analog conversion, converts the command signal of simulation into; And
Stepper motor is connected in this digital to analog converter and this clutch, under the command signal control of this simulation, to carry out work, this clutch is controlled automatically.
2. automatic clutch control system as claimed in claim 1 is characterized in that: this speed of a motor vehicle collection module is a vehicle speed sensor.
3. automatic clutch control system as claimed in claim 1 is characterized in that: this rotating speed collection module is a speed probe.
4. automatic clutch control system as claimed in claim 1 is characterized in that: this speed of a motor vehicle collection module and this rotating speed collection module are installed on this Motor Vehicle front end.
5. automatic clutch control system as claimed in claim 1 is characterized in that: this stepper motor and match equipment thereof are contained under the pedal of this clutch, are used to draw this clutch.
6. automatic clutch control system as claimed in claim 1 is characterized in that: this MCU carries out following analysing and processing with the signal that this analog-digital converter passes over:
Situation 1:v=0, r>R, the Motor Vehicle starting, this MCU sends this stepper motor traction clutch and steps on the command signal of putting slowly soon;
Situation 2:v=0, r≤R, this MCU send the idle command signal of this stepper motor;
Situation 3:v ≠ 0, r >=R, v >=V, this MCU send the command signal that this stepper motor traction clutch is stepped on soon soon put;
Situation 4:v ≠ 0, r<R, v >=V, this MCU send this stepper motor traction clutch and step on the command signal of putting slowly soon
Situation 5:v ≠ 0, r more than or equal to or less than R, v<V, this MCU send the idle command signal of this stepper motor;
Wherein, r, v are respectively the signal value of this rotating speed collection module and the collection of speed of a motor vehicle collection module, and R, V are for reference reference value.
7. automatic clutch control system as claimed in claim 1 is characterized in that: this MCU is a single-chip microcomputer.
8. the controlling method of an automatic clutch comprises the steps:
The travelling speed that the gathering machine motor-car is current;
Collect the rotating speed of this motor car engine;
The travelling speed and the engine speed that obtain are carried out analog-to-digital conversion;
MCU carries out analysing and processing to the digital signal after changing, and generates corresponding command signal;
This command signal is carried out the command signal of digital-to-analog conversion for simulation; And
By the command signal control step machine operation of this simulation, realize automatic control to this clutch.
9. the controlling method of a kind of automatic clutch as claimed in claim 7 is characterized in that, this MCU carries out the analysing and processing step to the digital signal after changing and is:
Situation 1:v=0, r>R, the Motor Vehicle starting, this MCU sends this stepper motor traction clutch and steps on the command signal of putting slowly soon;
Situation 2:v=0, r≤R, this MCU send the idle command signal of this stepper motor;
Situation 3:v ≠ 0, r >=R, v >=V, this MCU send the command signal that this stepper motor traction clutch is stepped on soon soon put;
Situation 4:v ≠ 0, r<R, v >=V, this MCU send this stepper motor traction clutch and step on the command signal of putting slowly soon
Situation 5:v ≠ 0, r more than or equal to or less than R, v<V, this MCU send the idle command signal of this stepper motor;
Wherein, r, v are respectively the signal value of this rotating speed collection module and the collection of speed of a motor vehicle collection module, and R, V are for reference reference value.
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CN 201110358460 CN102494053B (en) | 2011-11-11 | 2011-11-11 | Control system of automatic clutch and method thereof |
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CN 201110358460 CN102494053B (en) | 2011-11-11 | 2011-11-11 | Control system of automatic clutch and method thereof |
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CN102494053B CN102494053B (en) | 2013-09-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103605367A (en) * | 2013-11-22 | 2014-02-26 | 上海电机学院 | Car model control system |
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CN2693531Y (en) * | 2003-11-04 | 2005-04-20 | 重庆宗申技术开发研究有限公司 | Eelectromagnetic double clutch control circuit |
CN1693106A (en) * | 2004-05-08 | 2005-11-09 | 刘红旗 | Safety apparatus for monitoring and controlling driving of motor vehicle |
CN101140459A (en) * | 2007-09-10 | 2008-03-12 | 吕宝伟 | Novel non-fastenning-shaft rotary cutting machine intelligent controller |
JP2009213204A (en) * | 2008-02-29 | 2009-09-17 | U-Han Kogyo Kk | Direct-current motor controller and hydraulic valve controller and vehicle hydraulic controller with direct-current motor controller incorporated |
CN101739862A (en) * | 2008-11-13 | 2010-06-16 | 黑龙江工程学院 | Electronic throttle control simulation experiment system |
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2011
- 2011-11-11 CN CN 201110358460 patent/CN102494053B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2693531Y (en) * | 2003-11-04 | 2005-04-20 | 重庆宗申技术开发研究有限公司 | Eelectromagnetic double clutch control circuit |
CN1693106A (en) * | 2004-05-08 | 2005-11-09 | 刘红旗 | Safety apparatus for monitoring and controlling driving of motor vehicle |
CN101140459A (en) * | 2007-09-10 | 2008-03-12 | 吕宝伟 | Novel non-fastenning-shaft rotary cutting machine intelligent controller |
JP2009213204A (en) * | 2008-02-29 | 2009-09-17 | U-Han Kogyo Kk | Direct-current motor controller and hydraulic valve controller and vehicle hydraulic controller with direct-current motor controller incorporated |
CN101739862A (en) * | 2008-11-13 | 2010-06-16 | 黑龙江工程学院 | Electronic throttle control simulation experiment system |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103605367A (en) * | 2013-11-22 | 2014-02-26 | 上海电机学院 | Car model control system |
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