CN108089483B - Mechanical ADB controller system - Google Patents
Mechanical ADB controller system Download PDFInfo
- Publication number
- CN108089483B CN108089483B CN201611035180.2A CN201611035180A CN108089483B CN 108089483 B CN108089483 B CN 108089483B CN 201611035180 A CN201611035180 A CN 201611035180A CN 108089483 B CN108089483 B CN 108089483B
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- 238000004891 communication Methods 0.000 claims abstract description 40
- 238000005286 illumination Methods 0.000 abstract description 2
- 238000005457 optimization Methods 0.000 description 3
- 206010039203 Road traffic accident Diseases 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005059 dormancy Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000004438 eyesight Effects 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000001603 reducing effect Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
Classifications
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- G—PHYSICS
- 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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention relates to the technical field of intelligent headlamps of automobiles, in particular to a mechanical ADB controller system which comprises a CAN communication interface, an ADB-Master main controller, a left LIN communication interface, a right LIN communication interface, a left ADB-Slave controller, a right ADB-Slave controller and a motor control interface. According to the invention, communication between the ADB-Master main controller and the vehicle is realized through the CAN communication interface, a vehicle body related instruction message is obtained, and real-time communication between the ADB-Master main controller and the left ADB-Slave controller and between the ADB-Slave controller and the right ADB-Slave controller are realized through the left LIN communication interface and the right LIN communication interface; the motor control interface synchronously sends control signals to the multipath motors to switch light patterns, and the changeable illumination dark area can be realized according to real-time road conditions, so that high beam glaring generated during vehicle meeting and following is effectively avoided.
Description
Technical Field
The invention relates to the technical field of intelligent headlamps of automobiles, in particular to a mechanical ADB controller system.
Background
Today, the quantity of the automobile is larger and larger, and a plurality of drivers cannot reasonably operate far and near light. It is counted that the night traffic accidents exceeding three times each year are all caused by misuse of high beam, so that the problem of solving the high beam at night is urgent for the public, and therefore, an intelligent ADB headlight system is urgent for the urgent need, which has important significance for reducing property loss and casualties of serious traffic accidents at night.
ADB is short for self-adaptive high beam assistance (Adaptive Driving Beam), front car image information CAN be acquired through a camera arranged on a rearview mirror, a CAN instruction is sent to a mechanical ADB controller after being processed by an image processor, the mechanical ADB controller drives three motors, so that the large lamp light type is changed, a dark area is generated when a car is met and the car is followed, glare is avoided, night driving safety is improved, night driving fatigue is reduced, driving comfort is improved, and the vehicle has very good application value.
Disclosure of Invention
The invention provides a mechanical ADB controller system aiming at the defects of the existing automobile headlamp controller.
In order to achieve the purpose of the invention, the technical scheme adopted is as follows: a mechanical ADB controller system comprises a CAN communication interface, an ADB-Master main controller, a left LIN communication interface, a right LIN communication interface, a left ADB-Slave controller, a right ADB-Slave controller and a motor control interface, wherein one end of the CAN communication interface is connected with a BCM vehicle body control module, the other end of the CAN communication interface is connected with the ADB-Master main controller, the ADB-Master main controller is connected with the left ADB-Slave controller through the left LIN communication interface, the ADB-Master main controller is connected with the right ADB-Slave controller through the right LIN communication interface, and the left ADB-Slave controller and the right ADB-Slave controller are respectively communicated with a multi-path motor through the motor control interface.
As an optimization scheme of the invention, the ADB-Master Master controller comprises a CAN transceiver module, a main MCU processor module and a main LIN transceiver module, wherein the CAN transceiver module acquires real-time vehicle body information CAN messages from a BCM vehicle body control module through a CAN communication interface, the CAN transceiver module converts the vehicle body information CAN messages into serial signals and then sends the serial signals to the main MCU processor module for analysis and processing, the main MCU processor module sends the serial signals which are well analyzed and processed to the main LIN transceiver module, and the main LIN transceiver module converts the serial signals which are well analyzed and processed by the main MCU processor module into LIN messages and sends the LIN messages to a left ADB-Slave controller or a right ADB-Slave controller respectively; the main LIN transceiver module receives LIN messages returned by the left ADB-Slave controller or the right ADB-Slave controller, converts the LIN messages returned by the left ADB-Slave controller or the right ADB-Slave controller into returned serial port signals, and then sends the serial port signals to the main MCU processor module for processing, the main MCU processor module sends the processed returned serial port signals to the CAN transceiver module, and the CAN transceiver module converts the processed returned serial port signals into CAN messages and sends the CAN messages to the BCM body control module.
As an optimization scheme of the invention, the left ADB-Slave controller and the right ADB-Slave controller respectively comprise a Slave LIN transceiver module, a Slave MCU processor module and a motor driving module, the Slave LIN transceiver module receives LIN messages sent by the master LIN transceiver module, converts the LIN messages into serial signals and sends the serial signals to the Slave MCU processor module for processing, the Slave MCU processor module sends the processed serial signals to the motor driving module, and the motor driving module receives the serial signals and then drives the multi-path motor to perform multi-light type switching; the motor driving module feeds back the execution information of the multipath motors to the slave MCU processor module for processing, and the slave LIN transceiver module converts the received serial port signals sent by the slave MCU processor module into LIN messages and sends the LIN messages to the ADB-Master Master main controller.
As an optimization scheme of the invention, the processors used by the master MCU processor module and the slave MCU processor module are MC9S12G192 chips.
As an optimized scheme of the invention, the motor driving module is an L9942 chip.
The invention has the positive effects that: 1) The invention adopts the CAN/LIN bus to transmit information, and has the advantages of strong anti-interference capability, strong real-time performance, low cost and high reliability; the required wire harness is greatly reduced, and the burden of a vehicle body is lightened; meanwhile, the CAN/LIN is designed for network dormancy and network wakeup, so that the energy consumption of the system CAN be saved;
2) The invention adopts the motor control interface to realize the synchronous control of the multipath motor, the slave MCU processor module is provided with 8 independent 8-Bit PWM channels, each path of PWM is independently controlled and is not interfered with each other, the slave MCU processor module is communicated with the SPI bus, the information interval between messages is only 33ms, and the synchronous control problem of the multipath motor is solved, namely, the switching of far-beam and near-beam patterns is completed while the height adjustment and the horizontal angle adjustment of the headlight are carried out.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
Fig. 1 is a functional block diagram of the present invention.
Wherein: 1. CAN communication interface, 2, ADB-Master Master controller, 3, left LIN communication interface, 4, right LIN communication interface, 5, left ADB-Slave Slave controller, 6, right ADB-Slave Slave controller, 7, motor control interface, 21, main CAN transceiver module, 22, main MCU processor module, 23, main LIN transceiver module.
Detailed Description
As shown in fig. 1, a mechanical ADB controller system includes a CAN communication interface 1, an ADB-Master main controller 2, a left LIN communication interface 3, a right LIN communication interface 4, a left ADB-Slave controller 5, a right ADB-Slave controller 6 and a motor control interface 7, one end of the CAN communication interface 1 is connected with a BCM body control module, the other end of the CAN communication interface 1 is connected with the ADB-Master main controller 2, the ADB-Master main controller 2 is connected with the left ADB-Slave controller 5 through the left LIN communication interface 3, the ADB-Master main controller 2 is connected with the right ADB-Slave controller 6 through the right LIN communication interface 4, and the left ADB-Slave controller 5 and the right ADB-Slave controller 6 are respectively communicated with a multi-path motor through the motor control interface 7. The BCM body control module acquires the CAN message of the body in real time, especially the signal of the vision module.
The ADB-Master Master controller 2 comprises a CAN transceiver module 21, a main MCU processor module 22 and a main LIN transceiver module 23, wherein the CAN transceiver module 21 acquires real-time vehicle body information CAN messages from a BCM vehicle body control module through a CAN communication interface 1, the CAN transceiver module 21 converts the vehicle body information CAN messages into serial signals and then sends the serial signals to the main MCU processor module 22 for analysis processing, the main MCU processor module 22 sends the serial signals which are well analyzed and processed to the main LIN transceiver module 23, and the main LIN transceiver module 23 converts the serial signals which are well analyzed and processed by the main MCU processor module 22 into LIN messages and sends the LIN messages to the left ADB-Slave controller 5 or the right ADB-Slave controller 6 respectively; the main LIN transceiver module 23 receives LIN messages returned by the left ADB-Slave controller 5 or the right ADB-Slave controller 6, the main LIN transceiver module 23 converts the LIN messages returned by the left ADB-Slave controller 5 or the right ADB-Slave controller 6 into returned serial signals and sends the serial signals to the main MCU processor module 22 for processing, the main MCU processor module 22 sends the processed returned serial signals to the CAN transceiver module 21, and the CAN transceiver module 21 converts the processed returned serial signals into CAN messages and sends the CAN messages to the BCM body control module. The CAN transceiver module 21 is used for interconverting CAN message signals and serial signals; the main MCU processor module 22 is configured to perform relevant analysis processing on signals, where signals received by the main MCU processor module 22 include serial signals converted from CAN/LIN messages, digital level signals, analog sampling signals, and so on; the main LIN transceiver module 23 is configured to mutually convert a LIN message signal and a serial port signal.
The left ADB-Slave controller 5 and the right ADB-Slave controller 6 respectively comprise a Slave LIN transceiver module, a Slave MCU processor module and a motor driving module, the Slave LIN transceiver module receives the LIN message sent from the master LIN transceiver module 23, converts the LIN message into a serial signal and sends the serial signal to the Slave MCU processor module for processing, the Slave MCU processor module sends the processed serial signal to the motor driving module, and the motor driving module receives the serial signal and drives the multi-path motor to switch in a multi-light mode; the motor driving module feeds back the execution information of the multipath motors to the slave MCU processor module for processing, and the slave LIN transceiver module converts the received serial port signals sent by the slave MCU processor module into LIN messages and sends the LIN messages to the ADB-Master main controller 2. The slave LIN transceiver module is used for interconverting LIN message signals and serial port signals; the slave MCU processor module is used for processing related signals, wherein the signals comprise serial port signals converted from LIN messages, digital level signals, hall sensor signals, motor control signals and the like; the motor driving module is used for controlling multiple motors, the multiple motors can be multiple stepping motors, the motor driving module receives SPI control commands or PWM control commands sent by the MCU processor module and sends the SPI control commands or PWM control commands to the multiple motors through the motor control interface 7, and the multiple motors comprise a left vertical motor, a left horizontal motor, a left light screen motor, a right vertical motor, a right horizontal motor and a right light screen motor, and the multiple motors are used for realizing multi-light type switching.
The processors used by the master MCU processor module 22 and the slave MCU processor module are MC9S12G192 chips. The MC9S12G192 chip is a 16-bit singlechip chip, and has the advantages of high performance and high cost performance.
The motor driving module is an L9942 chip, and the L9942 chip has high working efficiency and high cost performance.
When the intelligent vehicle body monitoring system is used, real-time communication between the ADB-Master main controller 2 and a vehicle is realized through the CAN communication interface 1, and a vehicle body related instruction message is obtained; the real-time communication between the ADB-Master controller 2 and the left ADB-Slave controller 5 and the right ADB-Slave controller 6 is realized in the form of LIN messages through the left LIN communication interface 3 and the right LIN communication interface 4; the motor control interface 7 synchronously sends control signals to the three-way stepping motor to perform multi-light type free switching, so that a changeable illumination dark area can be realized according to real-time road conditions, and high beam glaring generated during vehicle meeting and following is effectively avoided.
While the foregoing is directed to embodiments of the present invention, other and further details of the invention may be had by the present invention, it should be understood that the foregoing description is merely illustrative of the present invention and that no limitations are intended to the scope of the invention, except insofar as modifications, equivalents, improvements or modifications are within the spirit and principles of the invention.
Claims (1)
1. A mechanical ADB controller system, characterized by: the intelligent control system comprises a CAN communication interface (1), an ADB-Master main controller (2), a left LIN communication interface (3), a right LIN communication interface (4), a left ADB-Slave controller (5), a right ADB-Slave controller (6) and a motor control interface (7), wherein one end of the CAN communication interface (1) is connected with a BCM automobile body control module, the other end of the CAN communication interface (1) is connected with the ADB-Master main controller (2), the ADB-Master main controller (2) is connected with the left ADB-Slave controller (5) through the left LIN communication interface (3), the ADB-Master main controller (2) is connected with the right ADB-Slave controller (6) through the right LIN communication interface (4), and the left ADB-Slave controller (5) and the right ADB-Slave controller (6) are respectively communicated with a multipath motor through the motor control interface (7); the ADB-Master main controller (2) comprises a CAN transceiver module (21), a main MCU processor module (22) and a main LIN transceiver module (23), wherein the CAN transceiver module (21) acquires real-time vehicle body information CAN messages from a BCM vehicle body control module through a CAN communication interface (1), the CAN transceiver module (21) converts the vehicle body information CAN messages into serial signals and then sends the serial signals to the main MCU processor module (22) for analysis processing, the main MCU processor module (22) sends the serial signals after analysis processing to the main LIN transceiver module (23), and the main LIN transceiver module (23) converts the serial signals after analysis processing by the main MCU processor module (22) into LIN messages and sends the LIN messages to a left ADB-Slave controller (5) or a right ADB-Slave controller (6) respectively; the main LIN transceiver module (23) receives LIN messages returned by the left ADB-Slave controller (5) or the right ADB-Slave controller (6), the main LIN transceiver module (23) converts the LIN messages returned by the left ADB-Slave controller (5) or the right ADB-Slave controller (6) into returned serial port signals and then sends the serial port signals to the main MCU processor module (22) for processing, the main MCU processor module (22) sends the processed returned serial port signals to the CAN transceiver module (21), and the CAN transceiver module (21) converts the processed returned serial port signals into CAN messages and sends the CAN messages to the BCM body control module; the left ADB-Slave controller (5) and the right ADB-Slave controller (6) comprise a Slave LIN transceiver module, a Slave MCU processor module and a motor driving module, wherein the Slave LIN transceiver module receives an LIN message sent by a master LIN transceiver module (23), the Slave LIN transceiver module receives an LIN message sent by the master LIN transceiver module (23) and converts the LIN message into a serial signal to be sent to the Slave MCU processor module for processing, the Slave MCU processor module sends the processed serial signal to the motor driving module, and the motor driving module receives the serial signal to drive a multi-path motor to switch in a multi-light mode; the motor driving module feeds back the execution information of the multipath motors to the slave MCU processor module for processing, and the slave LIN transceiver module converts the received serial port signals sent by the slave MCU processor module into LIN messages and sends the LIN messages to the ADB-Master main controller (2); the processors used by the master MCU processor module (22) and the slave MCU processor module are MC9S12G192 chips; the motor driving module is an L9942 chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035180.2A CN108089483B (en) | 2016-11-22 | 2016-11-22 | Mechanical ADB controller system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611035180.2A CN108089483B (en) | 2016-11-22 | 2016-11-22 | Mechanical ADB controller system |
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| CN108089483A CN108089483A (en) | 2018-05-29 |
| CN108089483B true CN108089483B (en) | 2024-03-26 |
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| CN201611035180.2A Active CN108089483B (en) | 2016-11-22 | 2016-11-22 | Mechanical ADB controller system |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182748A (en) * | 2007-12-04 | 2008-05-21 | 奇瑞汽车有限公司 | Vehicle window clipping prevention system based on LIN bus |
| CN105527878A (en) * | 2014-09-28 | 2016-04-27 | 炬芯（珠海）科技有限公司 | Data acquisition method, data acquisition device and data acquisition and debugging system |
| CN206363114U (en) * | 2016-11-22 | 2017-07-28 | 常州星宇车灯股份有限公司 | A kind of mechanical ADB controller systems |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7242988B1 (en) * | 1991-12-23 | 2007-07-10 | Linda Irene Hoffberg | Adaptive pattern recognition based controller apparatus and method and human-factored interface therefore |
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- 2016-11-22 CN CN201611035180.2A patent/CN108089483B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101182748A (en) * | 2007-12-04 | 2008-05-21 | 奇瑞汽车有限公司 | Vehicle window clipping prevention system based on LIN bus |
| CN105527878A (en) * | 2014-09-28 | 2016-04-27 | 炬芯（珠海）科技有限公司 | Data acquisition method, data acquisition device and data acquisition and debugging system |
| CN206363114U (en) * | 2016-11-22 | 2017-07-28 | 常州星宇车灯股份有限公司 | A kind of mechanical ADB controller systems |
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| Publication number | Publication date |
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| CN108089483A (en) | 2018-05-29 |
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