CN108104957B - Automobile electronic throttle control system and control method thereof - Google Patents
Automobile electronic throttle control system and control method thereof Download PDFInfo
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- CN108104957B CN108104957B CN201810133282.0A CN201810133282A CN108104957B CN 108104957 B CN108104957 B CN 108104957B CN 201810133282 A CN201810133282 A CN 201810133282A CN 108104957 B CN108104957 B CN 108104957B
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- Prior art keywords
- stepping motor
- accelerator pedal
- position sensor
- pedal position
- controller
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D11/00—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated
- F02D11/06—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance
- F02D11/10—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type
- F02D2011/101—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles
- F02D2011/104—Arrangements for, or adaptations to, non-automatic engine control initiation means, e.g. operator initiated characterised by non-mechanical control linkages, e.g. fluid control linkages or by control linkages with power drive or assistance of the electric type characterised by the means for actuating the throttles using electric step motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2200/00—Input parameters for engine control
- F02D2200/60—Input parameters for engine control said parameters being related to the driver demands or status
- F02D2200/602—Pedal position
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
Abstract
The invention belongs to the field of automobile electric control, and particularly relates to an automobile electronic throttle control system and a control method thereof. The system comprises a PC, a rapid prototyping controller, a stepping motor driver, a direct-current power supply, a stepping motor, a linear motion sliding table module combination and an accelerator pedal position sensor; the PC is connected with the rapid prototype controller in a local area network mode through a TCP/IP protocol; the stepping motor driver, the direct current power supply and the rapid prototyping controller are connected through wires; the stepping motor driver is connected with the stepping motor; the accelerator pedal position sensor is connected with the rapid prototype controller and the engine ECU through wires; the engine ECU is connected with the throttle valve; the linear motion sliding table die combination is fixed with the stepping motor. The invention relates to an automobile electronic throttle control system capable of correcting a position signal of an automobile accelerator pedal according to external requirements so as to realize engine torque control and a control method thereof.
Description
Technical Field
The invention belongs to the field of automobile electric control, and particularly relates to an automobile electronic throttle control system and a control method thereof, wherein the automobile electronic throttle control system is used for finishing the opening adjustment of an automobile electronic throttle by modifying the signal of an automobile accelerator pedal position sensor according to the control algorithm.
Background
The electronic throttle valve (Electronic Throttle) is an important control component of an automobile engine.
In recent years, with the development and application of electronic technology, computer technology and information technology, automobile electronic control technology has been rapidly developed, and in particular, great breakthroughs have been made in aspects of control precision, control range, intellectualization, networking and the like. Electronic control systems equipped on vehicles, such as Traction Control Systems (TCS) and electronic stability control systems (ESC), are increasingly required to control engine torque. With the development of automobile intellectualization, the equipment rate of an Automobile Driver Assistance System (ADAS) is increasing, and engine torque is also required to be controlled by an adaptive cruise control system (ACC), an automatic parking system, and the like. Currently, there are two methods in common use: firstly, the engine electronic control system is utilized to calibrate the torque adjusting function, and other electronic control units are communicated with the engine ECU to realize torque adjustment; secondly, an autopilot is arranged on the automobile, and external force is applied to an accelerator pedal of the automobile, so that the control of engine torque is realized. And for an engine electric control system with an uncalibrated torque adjusting function, controlling the engine torque by adopting a second method. However, the autopilot has the disadvantages of high price, complex structure, large occupied space and the like.
Disclosure of Invention
The invention provides an automobile electronic throttle control system and a control method thereof, which can correct the position signal of an automobile accelerator pedal according to external requirements so as to realize the control of engine torque.
The technical scheme of the invention is as follows in combination with the accompanying drawings:
an electronic throttle control system of an automobile comprises a PC, a rapid prototyping controller, a stepping motor driver, a direct current power supply, a stepping motor 1, a linear movement sliding table die combination and an accelerator pedal position sensor 15; the PC is connected with the rapid prototype controller in a local area network mode through a TCP/IP protocol; the stepping motor driver, the direct current power supply and the rapid prototyping controller are connected through wires; the stepping motor driver is connected with the stepping motor 1; the accelerator pedal position sensor 15 is connected with the rapid prototyping controller and the engine ECU through wires; the engine ECU is connected with the throttle valve; the linear motion slipway mould combination is fixed with the stepping motor 1.
The linear motion sliding table die assembly comprises a fixed plate 2, a connecting piece I3, a bearing I4, a limiting plate I5, a screw rod 6, a sliding table 7, a limiting plate II 8, a bearing II 9, a bottom plate 11, a connecting piece II 13 and an accelerator pedal position sensor 15; the fixing plate 2, the connecting piece 3, the bearing I4, the limiting plate I5, the screw rod 6, the sliding table 7, the limiting plate II 8 and the bearing II 9 are all arranged on the bottom plate 11; one end of the stepping motor 1 is fixed at one end of the fixed plate 2 through a bolt I12; one end of the screw rod 6 penetrates through the limiting plate I5 and is connected with the output end of the stepping motor 1 through the connecting piece 3; the limiting plate I5 is fixedly provided with a bearing I4 penetrating through the screw rod 6; the other end of the screw rod 6 passes through the sliding table 7 and is connected with the limiting plate II 8; a bearing II 9 penetrating through the screw rod 6 is fixed on the limiting plate II 8; one end of the connecting piece II 13 is fixed on the sliding table 7 through a bolt II 14, and the other end of the connecting piece II is in sliding fit with the accelerator pedal position sensor 15 through a connecting pin 16.
The sliding table 7 is provided with screw holes 10 of two fixing bolts II 14.
The connecting piece II 13 is formed by integrating a vertical connecting plate and a horizontal connecting plate; the vertical connecting plate is provided with a through hole 17 corresponding to the screw hole 10 in position; the right side of the horizontal connecting plate is provided with a connecting pin 16.
A control method of an electronic throttle control system of an automobile, the method comprising the steps of:
step one, initializing;
11 Opening a PC, building a control algorithm in MATLAB/Simulink software according to control requirements, and building an input-output relation between a model and an accelerator pedal position sensor 15;
12 Opening a rapid prototype controller and connecting with a PC; a direct current power supply is adopted to supply power to the stepping motor 1, and the connection among the stepping motor controller, the accelerator pedal position sensor 15, the engine ECU and the rapid prototyping controller is completed;
13 Compiling and downloading a control algorithm and a signal acquisition/transmission module of the stepping motor 1 into a rapid prototyping controller;
step two, calibrating;
the PC enters a test link, the target position of the accelerator pedal position sensor 15 is continuously modified, the throttle opening value opposite to the target position is observed and recorded, the stroke of the accelerator pedal position sensor 15 is divided into twenty equal parts, a plurality of groups of tests are repeatedly completed to calculate the average value, and the calibration of the throttle opening is completed;
step three, controlling the opening degree of a throttle valve;
giving an engine throttle opening degree change curve in a PC, controlling a stepping motor 1 through a rapid prototyping controller, enabling an accelerator pedal position sensor 15 to generate corresponding position change, transmitting position information of the accelerator pedal position sensor 15 to the rapid prototyping controller and an engine ECU, completing throttle control, and recording corresponding data;
step four, data analysis;
analyzing the recorded data, and observing whether the throttle opening following curve meets the requirement; if the control algorithm is not in accordance with the requirement, repeating the first, second and third steps until the requirement is met;
step five, ending the test, and closing the test equipment;
and closing the PC, cutting off the power supply of the rapid prototype controller, and closing the hardware equipment.
The beneficial effects of the invention are as follows:
1) The automobile electronic throttle control system can complete the engine torque control task, and solves the problem of engine control in the development process of intelligent/automatic driving vehicles.
2) An engine torque control system and method is provided for an engine electronic control unit that does not calibrate an engine torque adjustment function or that does not have an open communication protocol.
3) Compared with a double-throttle scheme, the automobile electronic throttle control system provided by the invention has the advantage that the response speed of the engine is greatly improved. The electronic throttle control system of the automobile is positioned in a trunk instead of an engine room, so that the working environment is improved, and the stability is improved.
4) Compared with an autopilot scheme, the automobile electronic throttle control system and the automobile electronic throttle control method provided by the invention have the advantages that the complexity of an actuating mechanism is reduced, the cost in the development process of intelligent/autopilot vehicles is reduced, and the space in the automobile is saved.
5) The invention provides an automobile electronic throttle control system and method aiming at a linear reciprocating motion type accelerator pedal position sensor, and solves the problem that linear reciprocating motion is not easy to transfer and control.
Drawings
FIG. 1 is a schematic view of a part of the structure of the present invention;
FIG. 2 is a schematic structural diagram of a linear motion slipway module according to the present invention;
FIG. 3 is an isometric projection view of a connection structure between a linear motion slipway module and an accelerator pedal position sensor in the present invention;
FIG. 4 is a schematic diagram showing the definition of the function of the pins of the stepper motor driver according to the present invention;
FIG. 5 is a schematic diagram of the functional definition of the pins of the accelerator pedal position sensor according to the present invention;
FIG. 6 is a block diagram of a slip and accelerator pedal position sensor interface in accordance with the present invention;
fig. 7 is a diagram showing the structure of a base plate in the present invention.
In the figure: 1. a stepping motor; 2. a motor fixing plate; 3. a connecting piece I; 4. a bearing I; 5. limiting plate I; 6. a screw rod; 7. a sliding table; 8. a limiting plate II; 9. a bearing II; 10. a screw hole; 11. a bottom plate; 12. a bolt I; 13. a connecting piece II; 14. a bolt II; 15. an accelerator pedal position sensor; 16. a connecting pin; 17. and a through hole.
Detailed Description
Referring to fig. 1 and 2, an electronic throttle control system for an automobile comprises a PC, a rapid prototyping controller, a stepper motor driver, a dc power supply, a stepper motor 1, a linear motion slipway module assembly and an accelerator pedal position sensor 15.
The rapid prototyping controller may be a microsatelbox from dsace corporation.
The direct current power supply is a 24V direct current power supply.
The stepper motor 1 is a two-phase four-wire stepper motor, and a stepper motor with the model number of FLS40C7 can be adopted.
The stepper motor driver may be a two-phase four-wire driver of the model FMDD50D40NOM from FUYU corporation.
The accelerator pedal position sensor 15 may be a popular scooter accelerator pedal position sensor.
The PC is connected with the dSPACE/MicroAutoBox in a local area network mode through a TCP/IP protocol; the stepping motor driver, the 24V direct current power supply and the rapid prototyping controller are connected through wires; the concrete connection mode is as follows: the positive pole and the negative pole of the 24V direct current power supply are respectively connected with V+ and V-of the stepping motor driver; the positive electrode and the negative electrode of the 24V direct current power supply are respectively connected with the positive electrode and the negative electrode of a special power line for the dSPACE/MicroAutoBox; the connection of the stepper motor driver and the dsace/MicroAutoBox adopts a common cathode connection method, namely pulse+, direction+ and off-line+ on the stepper motor driver are respectively connected with corresponding signal lines of the dsace/MicroAutoBox, and the pulse-, direction-and off-line are connected to a common ground (GND end).
The connection mode of the stepping motor 1 and the stepping motor driver is as follows: the black lead of the stepper motor 1 is connected with the A+ pin of the stepper motor driver, the green lead of the stepper motor 1 is connected with the A-pin of the stepper motor driver, the red lead of the stepper motor 1 is connected with the B+ pin of the stepper motor driver, and the blue lead of the stepper motor 1 is connected with the B-pin of the stepper motor driver. The stepping motor 1 is connected with an accelerator pedal position sensor 15 through a linear movement slipway module.
Referring to fig. 1, the control algorithm is built through a PC, compiled and downloaded to a prototype controller MicroAutoBox, and the control command and parameters are modified through a software control desk installed on the PC. The micro-AutoBox supplies power to the micro-AutoBox and the stepping motor driver through a 24V direct current power supply, the micro-Autobox sends a control command generated by an upper control algorithm to the stepping motor driver through a pulse signal, and the stepping motor driver drives the stepping motor to generate linear motion and pushes the accelerator pedal position sensor to generate linear motion. The accelerator pedal position sensor 15 is powered by 5V dc power generated by a MicroAutoBox. Finally, the accelerator pedal position sensor 15 sends its actual position information (voltage signal) to the prototype controller MicroAutoBox and engine ECU
Referring to fig. 2 and 6, the linear motion sliding table module assembly comprises a fixed plate 2, a connecting piece i 3, a bearing i 4, a limiting plate i 5, a screw rod 6, a sliding table 7, a limiting plate ii 8, a bearing ii 9, a bottom plate 11, a connecting piece ii 13 and an accelerator pedal position sensor 15;
the fixing plate 2, the connecting piece 3, the bearing I4, the limiting plate I5, the screw rod 6, the sliding table 7, the limiting plate II 8 and the bearing II 9 are all arranged on the bottom plate 11;
one end of the stepping motor 1 is fixed at one end of the fixed plate 2 through four bolts I12; one end of the screw rod 6 penetrates through the limiting plate I5 and is connected with the output end of the stepping motor 1 through the connecting piece 3; the limiting plate I5 is fixedly provided with a bearing I4 penetrating through the screw rod 6; the other end of the screw rod 6 passes through the sliding table 7 and is connected with the limiting plate II 8; a bearing II 9 penetrating through the screw rod 6 is fixed on the limiting plate II 8; limiting plate I5 and limiting plate II 8 pass through bearing I4 and bearing II 9 and fix lead screw 6 in the centre, guarantee that lead screw 6 is coaxial with the motor shaft, reduce the rotation resistance simultaneously. The screw rod 6 converts the rotation of the motor into linear motion of the sliding table 7, and the bottom plate 11 plays a limiting role on the rotation of the sliding table. The accelerator pedal position sensor 15 is mounted on the side of the slide table 7 via a connecting piece 13 ii, wherein the connecting piece ii 13 is fixed with the slide table 7 via a bolt ii 14.
The accelerator pedal sensor 15 is connected with a rapid prototyping controller MicroAutoBox and an engine ECU through wires. The rated voltage of the accelerator pedal sensor 15 is 5V, and power is supplied by the engine ECU; the accelerator pedal sensor 15 is connected to the engine ECU through a six-pin interface. The accelerator pedal sensor 15 transmits pedal position information to the dsace/MicroAutoBox through a wire, and specifically, the two pins of the signal 1 and the signal 2 of the accelerator pedal sensor are connected with the input end of the dsace/MicroAutoBox, the power supply 1-and the power supply 2-are connected to the GND end (cathode) of the MicroAutoBox, and the VSENS and VDRIVE pins of the MicroAutoBox are short-circuited to provide 5V voltage for the sensor.
The stepper motor driver sends a control signal to the stepper motor 1 so that the screw 6 generates a turning motion. The rotary motion of the screw 6 causes the slide table 7 to generate linear motion in the horizontal direction. The movement direction of the sliding table 7 can be changed by controlling the rotation direction of the stepping motor 1. The sliding table 7 is connected with an accelerator pedal position sensor 15 through a connecting piece II 13. The linear reciprocation of the sliding table 7 in the horizontal direction pushes the sensor 15 to generate corresponding linear reciprocation.
Referring to fig. 5, the connecting piece ii 13 is integrally formed by a vertical connecting plate and a horizontal connecting plate; the vertical connecting plate is provided with a through hole 17 corresponding to the screw hole 10 in position; the right side of the horizontal connecting plate is provided with a connecting pin 16. The through hole 17 is a through hole with the diameter of 4mm, and the connecting pin 16 is a cylinder with the diameter of 6 mm.
Referring to fig. 3 and 4, v+ and V-pins of the stepper motor driver are connected to the positive and negative poles of the 24V dc power supply respectively through wires. A+, A-, B+ and B-are respectively connected to the black, green, red and blue wires of the stepping motor. The common cathode connection method is adopted to connect pins of pulse+, pulse-, direction+, direction-, off-line+ and off-line, and the specific connection mode is as follows: the pulse-, direction-and off-line-three pins are commonly connected to the GND terminal (cathode) of the MicroAutoBox, and the pulse+, direction+ and off-line+ are respectively connected to the pulse output terminals whose definitions are the same. As shown in fig. 4, the accelerator pedal position sensor has 6 pins, and the definitions of pins 1 to 6 are: power 1+, power 2+, power 1-, signal 1, power 2-, and signal 2. The accelerator pedal position sensor is powered by a direct current power supply with the voltage of 5V provided by a MicroAutoBox. The concrete connection mode is as follows: the power supply 1-and the power supply 2-are connected to the GND end (cathode) of the MicroAutoBox, and the VSENS pin and the VDRIVE pin of the MicroAutoBox are short-circuited to supply power to the sensor 5V. The accelerator pedal position sensor signal 1 and signal 2 pins are connected to the signal acquisition pin terminals of the MicroAutoBox. Finally, pins 1 to 6 are respectively connected to corresponding pins of the engine ECU through wires, and position information of the accelerator pedal position sensors, 5 is sent to the engine ECU, so that the throttle valve generates corresponding movement.
A control method of an electronic throttle control system of an automobile, the method comprising the steps of:
step one, initializing;
11 Opening a PC, building a control algorithm in Matlab/Simulink according to control requirements, inputting a rti command in a Matlab command window, calling a signal acquisition/transmission module in a dSPACE real-time simulation module (real time simulation), and building an input-output relation between a model and an accelerator pedal position sensor 15;
12 Opening dSPACE/MicroAutoBox and connecting with PC. A 24V direct current power supply is adopted to supply power to the stepping motor 1, and the connection among the stepping motor controller, the accelerator pedal position sensor 15, the engine ECU and the dSPACE/MicroAutoBox is completed;
13 Compiling the control algorithm in Matlab/Simulink software. And opening the control desk software, and registering dSPACE/MicroAutoBox in the control desk software. The control algorithm of the stepping motor 1 and the signal acquisition/emission module are compiled and downloaded into the dSPACE/MicroAutoBox.
Step two, calibrating;
clicking a start trigger of the control desk software in a PC to enter a test link; and continuously modifying the target position value of the accelerator pedal position sensor 15 in the control desk, and observing and recording the throttle opening value opposite thereto. The stroke of the accelerator pedal position sensor 15 is divided into twenty equal parts, and a plurality of groups of tests are repeatedly completed to calculate the average value, so that the calibration of the throttle opening is completed.
Step three, controlling the opening degree of a throttle valve;
given an engine throttle opening degree change curve in a PC, the stepping motor 1 is controlled by a rapid prototyping controller dSPACE/MicroAutoBox, so that the accelerator pedal position sensor 15 generates corresponding position change, position information of the accelerator pedal position sensor 15 is transmitted to dSPACE/MicroAutoBox and an engine ECU, throttle control is completed, and corresponding data are recorded.
Step four, data analysis;
analyzing the recorded data, and observing whether the throttle opening following curve meets the requirement; if the control algorithm is not in accordance with the requirement, repeating the first, second and third steps until the requirement is met;
step five, ending the test, and closing the test equipment;
and closing the PC, cutting off the power supply of the dSPACE/MicroAutoBox and the stepping motor controller, and closing related hardware equipment.
Claims (1)
1. The control method of the electronic throttle control system of the car, the control system includes PC, rapid prototype controller, stepping motor driver, direct-current power, stepping motor (1), linear motion slip table mould combination and accelerator pedal position sensor (15); the PC is connected with the rapid prototype controller in a local area network mode through a TCP/IP protocol; the stepping motor driver, the direct current power supply and the rapid prototyping controller are connected through wires; the stepping motor driver is connected with the stepping motor (1); the accelerator pedal position sensor (15) is connected with the rapid prototyping controller and the engine ECU through wires; the engine ECU is connected with the throttle valve; the linear movement sliding table die combination is fixed with the stepping motor (1); the linear motion sliding table die assembly comprises a motor fixing plate (2), a connecting piece I (3), a bearing I (4), a limiting plate I (5), a screw rod (6), a sliding table (7), a limiting plate II (8), a bearing II (9), a bottom plate (11), a connecting piece II (13) and an accelerator pedal position sensor (15); the motor fixing plate (2), the connecting piece I (3), the bearing I (4), the limiting plate I (5), the screw rod (6), the sliding table (7), the limiting plate II (8) and the bearing II (9) are all arranged on the bottom plate (11); one end of the stepping motor (1) is fixed at one end of the motor fixing plate (2) through a bolt I (12); one end of the screw rod (6) penetrates through the limiting plate I (5) and is connected with the output end of the stepping motor (1) through the connecting piece I (3); a bearing I (4) penetrating through the screw rod (6) is fixed on the limiting plate I (5); the other end of the screw rod (6) penetrates through the sliding table (7) and is connected with the limiting plate II (8); a bearing II (9) penetrating through the screw rod (6) is fixed on the limiting plate II (8); one end of the connecting piece II (13) is fixed on the sliding table (7) through a bolt II (14), and the other end of the connecting piece II is in sliding fit with the accelerator pedal position sensor (15) through a connecting pin (16); screw holes (10) of two fixing bolts II (14) are formed in the sliding table (7); the connecting piece II (13) is formed by integrating a vertical connecting plate and a horizontal connecting plate; the vertical connecting plate is provided with a through hole (17) corresponding to the screw hole (10); a connecting pin (16) is arranged on the right side of the horizontal connecting plate; characterized in that the method comprises the following steps:
step one, initializing;
11 Opening a PC, building a control algorithm in the rapid prototype controller according to control requirements, and building an input-output relation between a model and an accelerator pedal position sensor (15);
12 Opening a rapid prototype controller and connecting with a PC; a direct current power supply is adopted to supply power to the stepping motor (1) and complete the connection among the stepping motor controller, an accelerator pedal position sensor (15), an engine ECU and a rapid prototyping controller;
13 Downloading a control algorithm and a signal acquisition/transmission module of the stepping motor (1) into a rapid prototyping controller;
step two, calibrating;
the PC enters a testing link, continuously modifies the target position of the accelerator pedal position sensor (15), observes and records a throttle opening value opposite to the target position, divides the stroke of the accelerator pedal position sensor (15) into twenty equal parts, repeatedly completes multiple groups of testing and average value solving, and completes the calibration of the throttle opening;
step three, controlling the opening degree of a throttle valve;
setting an opening degree change curve of an engine throttle valve in a PC, controlling a stepping motor (1) through a rapid prototype controller, enabling an accelerator pedal position sensor (15) to generate corresponding position change, transmitting position information of the accelerator pedal position sensor (15) to the rapid prototype controller and an engine ECU, completing throttle valve control, and recording corresponding data;
step four, data analysis;
analyzing the recorded data, and observing whether the throttle opening following curve meets the requirement; if the control algorithm is not in accordance with the requirement, repeating the first, second and third steps until the requirement is met;
step five, ending the test, and closing the test equipment;
and closing the PC, cutting off the power supply of the rapid prototype controller, and closing the hardware equipment.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810133282.0A CN108104957B (en) | 2018-02-09 | 2018-02-09 | Automobile electronic throttle control system and control method thereof |
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| CN201810133282.0A CN108104957B (en) | 2018-02-09 | 2018-02-09 | Automobile electronic throttle control system and control method thereof |
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| CN108104957A CN108104957A (en) | 2018-06-01 |
| CN108104957B true CN108104957B (en) | 2023-09-22 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109578156B (en) * | 2018-12-11 | 2021-03-30 | 吉林大学 | Electronic throttle control method based on parameter identification and nonlinear three-step method |
| CN110853479A (en) * | 2019-10-29 | 2020-02-28 | 同济大学 | Experiment teaching device for automobile electronic throttle valve |
| CN111532255B (en) * | 2020-05-07 | 2021-07-06 | 福建盛海智能科技有限公司 | Accelerator control method and terminal |
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| JP3805648B2 (en) * | 2001-06-14 | 2006-08-02 | 三菱電機株式会社 | Engine intake air amount control device |
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| CN102182567A (en) * | 2011-04-15 | 2011-09-14 | 吉林大学 | Automobile electronic throttle pedal control system |
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