CN108021066B - Unmanned vehicle engine start-stop autonomous control system and use method - Google Patents
Unmanned vehicle engine start-stop autonomous control system and use method Download PDFInfo
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- CN108021066B CN108021066B CN201711321604.6A CN201711321604A CN108021066B CN 108021066 B CN108021066 B CN 108021066B CN 201711321604 A CN201711321604 A CN 201711321604A CN 108021066 B CN108021066 B CN 108021066B
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- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
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Abstract
The invention relates to an unmanned vehicle engine start-stop autonomous control system which comprises a data processing module, an image processing module, a data communication bus module, a driving module, a serial port communication module, a wireless data communication module, a rotating speed sensor, an accelerator sensor, a clutch sensor, a gear sensor, a charge-discharge control module and an auxiliary power supply, wherein the data communication bus module is electrically connected with the data processing module, the image processing module, the driving module, the serial port communication module and the wireless data communication module respectively. The using method comprises three steps of equipment installation, data detection, engine restart and the like. The invention can effectively meet the requirements of the autonomous start-stop operation of the engine in the temporary stop idle state of the vehicle on one hand, and can effectively realize the requirements of emergency restart in the abnormal stop state of the engine and emergency alarm and protection operation in the fault state of the engine in the running state of the vehicle on the other hand.
Description
Technical Field
The invention relates to a vehicle driving auxiliary system, belonging to the technical field of automobile engines.
Background
The engine is a power source for vehicle operation, and its operation state directly affects the vehicle operation state, performance, fuel consumption and economy and the vehicle operation safety, currently, in order to improve the vehicle operation reliability and reduce the engine operation energy consumption, the vehicle is often equipped with an engine automatic start-stop control system, but the currently used engine automatic start-stop control system mainly stops the engine operation actively when the vehicle is in temporary stop during the operation process, and restarts the engine operation again through the engine throttle working state when the vehicle needs to operate, so as to realize the requirement of the vehicle engine system automatic start-stop operation, although the engine start-stop control system of this working mode can meet the requirement of controlling the engine start-stop state to a certain extent, the currently used engine start-stop control system can only meet the requirement of the vehicle engine in normal operation state, the requirement on engine control during temporary parking is narrow in application range, the requirement on automatic start-stop control operation of the engine cannot be effectively met, and meanwhile, the automatic start-stop control system also has the capability of restarting and protecting the engine from fault stop, so that the running safety and reliability of the current vehicle engine are relatively poor.
Disclosure of Invention
The invention aims to overcome the defects and provide an autonomous operation control method of an automatic driving automobile.
In order to realize the purpose, the invention is realized by the following technical scheme:
an autonomous control system for start and stop of an engine of an unmanned vehicle comprises a data processing module, an image processing module, a data communication bus module, a driving module, a serial port communication module, a wireless data communication module, a rotating speed sensor, an accelerator sensor, a clutch sensor, a gear sensor, a charge and discharge control module and an auxiliary power supply, wherein the data communication bus module is respectively connected with the data processing module, the vehicle driving system comprises an image processing module, a driving module, a serial communication module and a wireless data communication module which are electrically connected, wherein the driving module is electrically connected with a rotating speed sensor, an accelerator sensor, a clutch sensor, a gear sensor, a charging and discharging control module and an auxiliary power supply, the driving module, the serial communication module and the wireless data communication module are respectively electrically connected with a vehicle driving computer, the number of the rotating speed sensors is consistent with that of vehicle driving wheels, and each rotating speed sensor is connected with a driving wheel shaft.
Furthermore, the data processing module is based on a circuit system distance measuring device based on a DSP chip and an FPGA chip, and the circuit system distance measuring device is any one of a millimeter wave distance measuring radar and a laser distance measuring device.
Further, the wireless data communication module is based on any one or more of a WIFI wireless communication system, a Zigbee wireless communication system, a 3G/4G wireless data communication system, a DSRC wireless communication system level and an RFID radio frequency communication system for common use.
The use method of the unmanned vehicle engine start-stop autonomous control system comprises the following steps:
firstly, equipment installation, namely, firstly, completing installation and positioning of a data processing module, an image processing module, a data communication bus module, a driving module, a serial port communication module, a wireless data communication module, a rotating speed sensor, a clutch sensor, a gear sensor, a charge and discharge control module and an auxiliary power supply on a vehicle, completing connection of mechanical and electrical equipment, and then establishing data connection with remote monitoring equipment for later use through the wireless data communication module;
secondly, detecting data, wherein after the first step is completed, on one hand, a data processing module detects a clutch, a gear working state, an automobile generator, an automobile storage battery working state, an auxiliary power supply working state, a wheel rotating speed and an accelerator working state of a current vehicle through a rotating speed sensor, an accelerator sensor, a clutch sensor, a gear sensor and a charging and discharging control module, then the data processing module directly obtains the current vehicle engine working state and the vehicle form speed from a vehicle running computer to detect, stores the detected data into the data processing module for standby, and displays all the data through the vehicle running computer;
thirdly, restarting the engine, and after the third step is completed, driving the automobile engine to restart by the data processing module when the clutch sensor and the gear sensor are both in a working state, the vehicle speed is more than 5 kilometers per hour, the accelerator is in a working state, and the engine is in a shutdown state; when the clutch sensor is in a separation state, the accelerator is in a stop state, the gear sensor is in a working state, the vehicle speed is 0 and is kept for more than 30 seconds, the data processing module stops the running of the engine, and the data processing module drives the engine to run again after the accelerator is in the working state; when the clutch sensor and the gear sensor are both in a working state, the vehicle speed is greater than 5 km/h, the accelerator is in a working state, the engine is in a working state, and the engine temperature is too high, the data processing module drives the engine to stop running, the engine is restarted to run after the engine temperature is recovered to be normal, the running state of the engine is displayed through a vehicle running computer, and the data detection operation is carried out again.
Further, the remote monitoring device in the first step is any one of a data server and a mobile intelligent terminal device based on a data communication network.
Furthermore, in the second step, the detection interval of the data detection operation is 10-120 seconds.
Furthermore, in the third step, when the data processing module drives the engine to start operation, and when the automobile storage battery and the generator cannot normally operate, the auxiliary power supply drives the engine to operate.
The system has simple structure, low operation and control cost, high detection operation and control precision and high operation automation degree, can effectively meet the requirement of the automatic start-stop operation of the engine in the temporary stop idle state of the vehicle on one hand, and can effectively realize the requirement of the emergency restart in the abnormal stop state of the engine and the emergency alarm and protection operation in the fault state of the engine in the operation state of the vehicle on the other hand, thereby greatly improving the reliability and the safety of the operation of the engine of the vehicle.
Drawings
FIG. 1 is a flow chart of a control method according to the present invention;
FIG. 2 is a schematic diagram of a detection data processing apparatus;
FIG. 3 is a schematic diagram of a vehicle self-locating hardware device layout.
Detailed Description
As shown in figures 1 and 2, an unmanned vehicle engine start-stop autonomous control system comprises a data processing module, an image processing module, a data communication bus module, a driving module, a serial communication module, a wireless data communication module, a rotating speed sensor, an accelerator sensor, a clutch sensor, a gear sensor, a charge-discharge control module and an auxiliary power supply, wherein the data communication bus module is respectively and electrically connected with the data processing module, the image processing module, the driving module, the serial communication module and the wireless data communication module, the driving module is respectively and electrically connected with the rotating speed sensor, the accelerator sensor, the clutch sensor, the gear sensor, the charge-discharge control module and the auxiliary power supply, the driving module, the serial communication module and the wireless data communication module are respectively and electrically connected with a vehicle running computer, the number of the rotating speed sensors is consistent with the data of vehicle driving wheels, and each speed sensor is connected with a driving wheel shaft.
Meanwhile, the data processing module is any one of a millimeter wave distance measuring radar and a laser distance measuring device based on a DSP chip and an FPGA chip, and the wireless data communication module is any one or more of a WIFI-based wireless communication system, a Zigbee wireless communication system, a 3G/4G wireless data communication system, a DSRC wireless communication system and an RFID radio frequency communication system.
As shown in FIG. 3, the method for using the unmanned vehicle engine start-stop autonomous control system comprises the following steps:
firstly, equipment installation, namely, firstly, completing installation and positioning of a data processing module, an image processing module, a data communication bus module, a driving module, a serial port communication module, a wireless data communication module, a rotating speed sensor, a clutch sensor, a gear sensor, a charge and discharge control module and an auxiliary power supply on a vehicle, completing connection of mechanical and electrical equipment, and then establishing data connection with remote monitoring equipment for later use through the wireless data communication module;
secondly, detecting data, wherein after the first step is completed, on one hand, a data processing module detects a clutch, a gear working state, an automobile generator, an automobile storage battery working state, an auxiliary power supply working state, a wheel rotating speed and an accelerator working state of a current vehicle through a rotating speed sensor, an accelerator sensor, a clutch sensor, a gear sensor and a charging and discharging control module, then the data processing module directly obtains the current vehicle engine working state and the vehicle form speed from a vehicle running computer to detect, stores the detected data into the data processing module for standby, and displays all the data through the vehicle running computer;
thirdly, restarting the engine, and after the third step is completed, driving the automobile engine to restart by the data processing module when the clutch sensor and the gear sensor are both in a working state, the vehicle speed is more than 5 kilometers per hour, the accelerator is in a working state, and the engine is in a shutdown state; when the clutch sensor is in a separation state, the accelerator is in a stop state, the gear sensor is in a working state, the vehicle speed is 0 and is kept for more than 30 seconds, the data processing module stops the running of the engine, and the data processing module drives the engine to run again after the accelerator is in the working state; when the clutch sensor and the gear sensor are both in a working state, the vehicle speed is greater than 5 km/h, the accelerator is in a working state, the engine is in a working state, and the engine temperature is too high, the data processing module drives the engine to stop running, the engine is restarted to run after the engine temperature is recovered to be normal, the running state of the engine is displayed through a vehicle running computer, and the data detection operation is carried out again.
The remote monitoring equipment in the first step is any one of a data server and mobile intelligent terminal equipment based on a data communication network.
Meanwhile, in the second step, the detection interval of the data detection operation is 10-120 seconds, and in the third step, when the data processing module drives the engine to start operation, when the automobile storage battery and the generator cannot normally operate, the auxiliary power supply drives the engine to operate.
The system has simple structure, low operation and control cost, high detection operation and control precision and high operation automation degree, can effectively meet the requirement of the automatic start-stop operation of the engine in the temporary stop idle state of the vehicle on one hand, and can effectively realize the requirement of the emergency restart in the abnormal stop state of the engine and the emergency alarm and protection operation in the fault state of the engine in the operation state of the vehicle on the other hand, thereby greatly improving the reliability and the safety of the operation of the engine of the vehicle.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The use method of the unmanned vehicle engine start-stop autonomous control system is characterized by comprising the following steps: the use method of the automatic control system for starting and stopping the automobile engine comprises the following steps:
firstly, equipment installation, namely, firstly, completing installation and positioning of a data processing module, an image processing module, a data communication bus module, a driving module, a serial port communication module, a wireless data communication module, a rotating speed sensor, a clutch sensor, a gear sensor, a charge and discharge control module and an auxiliary power supply on a vehicle, completing connection of mechanical and electrical equipment, and then establishing data connection with remote monitoring equipment for later use through the wireless data communication module;
secondly, detecting data, wherein after the first step is completed, on one hand, a data processing module detects a clutch, a gear working state, an automobile generator, an automobile storage battery working state, an auxiliary power supply working state, a wheel rotating speed and an accelerator working state of a current vehicle through a rotating speed sensor, an accelerator sensor, a clutch sensor, a gear sensor and a charge-discharge control module, then the data processing module directly obtains the current vehicle engine working state and the vehicle running speed from a vehicle running computer, stores the detected data into the data processing module for later use, and simultaneously displays all data through the vehicle running computer, wherein the wheel rotating speed is the vehicle running speed;
thirdly, restarting the engine, and after finishing the second step, driving the automobile engine to restart by the data processing module when the clutch sensor and the gear sensor are both in a working state, the vehicle running speed is more than 5 kilometers per hour, the accelerator is in a working state, and the engine is in a shutdown state; when the clutch sensor is in a separation state, the accelerator is in a stop state, the gear sensor is in a working state, the vehicle running speed is 0 and is kept for more than 30 seconds, the data processing module stops the running of the engine, and the data processing module drives the engine to run again after the accelerator is in the working state; when the clutch sensor and the gear sensor are both in a working state, the vehicle running speed is more than 5 km/h, the accelerator is in a working state, the engine is in a working state and the temperature of the engine is overhigh, the data processing module drives the engine to stop running, the engine is restarted to run after the temperature of the engine is recovered to be normal, the running state of the engine is displayed through a vehicle running computer and returns to the second step again for data detection operation;
the unmanned vehicle engine start-stop autonomous control system comprises a data processing module, an image processing module, a data communication bus module, a driving module, a serial port communication module, a wireless data communication module, a rotating speed sensor, an accelerator sensor, a clutch sensor, a gear sensor, a charge-discharge control module and an auxiliary power supply, wherein the data communication bus module is respectively and electrically connected with the data processing module, the image processing module, the driving module, the serial port communication module and the wireless data communication module, the driving module is electrically connected with the rotating speed sensor, the accelerator sensor, the clutch sensor, the gear sensor, the charge-discharge control module and the auxiliary power supply, the driving module, the serial port communication module and the wireless data communication module are respectively and electrically connected with a vehicle running computer, and the number of the rotating speed sensors is consistent with the data of vehicle driving wheels, and each speed sensor is connected with a driving wheel shaft.
2. The use method of the unmanned vehicle engine start-stop autonomous control system according to claim 1, characterized in that: the remote monitoring equipment in the first step is any one of a data server and mobile intelligent terminal equipment based on a data communication network.
3. The use method of the unmanned vehicle engine start-stop autonomous control system according to claim 1, characterized in that: in the second step, the detection interval of the data detection operation is 10-120 seconds.
4. The use method of the unmanned vehicle engine start-stop autonomous control system according to claim 1, characterized in that: and in the third step, when the data processing module drives the engine to start operation and the automobile storage battery and the generator cannot normally operate, the auxiliary power supply drives the engine to operate.
5. The use method of the unmanned vehicle engine start-stop autonomous control system according to claim 1, characterized in that: the data processing module is a circuit system based on a DSP chip and an FPGA chip, and the distance measuring device is any one of a millimeter wave distance measuring radar and a laser distance measuring device.
6. The use method of the unmanned vehicle engine start-stop autonomous control system according to claim 5, characterized in that: the wireless data communication module is based on any one or more of a WIFI wireless communication system, a Zigbee wireless communication system, a 3G/4G wireless data communication system, a DSRC wireless communication system and an RFID radio frequency communication system.
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| CN109278749A (en) * | 2018-07-30 | 2019-01-29 | 北京长城华冠汽车科技股份有限公司 | A kind of auto idle speed start-stop control system and control method |
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Effective date of registration: 20221213 Address after: Room 1603, Tower A, Intersection of Nanjing Road and Wohushan Road, Liuqing Street, Lanshan District, Linyi City, Shandong Province, 276000 Patentee after: Shandong Haoxiang Police Equipment Co.,Ltd. Address before: 276000 502, block a, science and Technology Pioneer Park, high tech Zone, Linyi City, Shandong Province Patentee before: Linyi frontier automation equipment Co.,Ltd. |
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