JP2004143662A - In-vehicle control device and control system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an in-vehicle control device and control system capable of easily changing the control setting of a controlled device such as a vehicle door locking device. <P>SOLUTION: This in-vehicle control device 10 receives location information sent at prescribed intervals through a connecting device from a positioning device using a global positioning system (S301), grasps an area in which a vehicle is located based on the received location information (S302), and changes the control setting for controlling the controlled device based on the grasped area (S303). <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an in-vehicle control device for electronically controlling a controlled device and a control system using the control device, and more particularly to an in-vehicle control device and a control system for controlling a lock device of a vehicle door based on the speed of a vehicle.
[0002]
[Prior art]
Regarding controlled devices such as a vehicle door lock device that is electronically controlled by a vehicle-mounted control device mounted on a vehicle, devices having basically the same specifications are used irrespective of the region where the device is used.
However, the setting of the control method may differ from region to region for reasons such as differences in laws between countries.
For example, when a vehicle door lock device is mounted on a vehicle used in Japan, the lock device is controlled to automatically lock when the vehicle starts running, and is mounted on a vehicle used in Europe. The lock device is controlled so as to be automatically unlocked when the vehicle starts running.
[0003]
When an unlock operation is performed, the vehicle-mounted control device controls all doors to be unlocked at one time in the case of a vehicle used in Japan, but in the case of a vehicle used in the United States, In the first unlocking operation, only the door on the driver's seat side is unlocked, and in the second unlocking operation, all the doors are unlocked.
[0004]
When the control method of the controlled device is changed in the on-vehicle control device or the control system using the on-vehicle control device, replacement of a logic circuit incorporated in the on-vehicle control device and a wire harness for connecting the on-vehicle control device and the controlled device are performed. Work such as changing the connection of the system.
Prior art document information related to the invention of this application includes the following.
[0005]
[Patent Document 1]
JP 2002-15244 A
[Problems to be solved by the invention]
However, the conventional method of changing the control settings of the on-vehicle control device requires work such as replacement of the logic circuit and change of the connection of the wire harness, and thus has a problem with workability. Even when the vehicle is used in a region where the laws regarding control of the device are different, it leads to a problem that the control setting cannot be easily changed.
[0007]
The present invention has been made in view of the above circumstances, and is provided by a driver inputting information indicating an area such as a country where a vehicle is used and a positioning device using a Global Positioning System (GPS). The control setting for the controlled device such as a vehicle door lock device is changed based on information about the vehicle such as the information indicating the current position of the vehicle to be controlled. The present invention relates to an in-vehicle control device and a control system using the in-vehicle control device, which can be easily changed without performing the control, thereby reducing the work required for changing the control settings.
[0008]
[Means for Solving the Problems]
An in-vehicle control device according to a first aspect of the present invention is an in-vehicle control device that controls a controlled device based on a setting, a unit that receives position information related to a position of a vehicle, and a unit that changes the setting based on the received position information. It is characterized by having.
[0009]
In the in-vehicle control device according to the first invention, the control setting of the controlled device is automatically changed by software processing based on the information on the position of the vehicle, so that the control setting is automatically changed according to the place of use. Control setting can be easily changed according to the place of use without performing a hardware operation such as switching of a connection state between devices, which is necessary for changing the control setting. Work can be reduced.
[0010]
The on-vehicle control device according to a second aspect is characterized in that, in the first aspect, the position information is information indicating a current location of the vehicle.
[0011]
In the in-vehicle control device according to the second invention, the control setting of the controlled device is automatically changed based on position information such as longitude and latitude indicating the current position of the vehicle, so that the control setting according to the place where the vehicle is used. Is automatically changed, so that the control setting can be easily changed according to the place of use without performing any special operation.
[0012]
The on-vehicle control device according to a third invention is characterized in that, in the first invention or the second invention, the position information is information indicating an area.
[0013]
In the on-vehicle control device according to the third invention, the control setting of the controlled device is automatically changed based on the information indicating the region such as the country, so that, for example, control is performed for each country where the vehicle is used for legal reasons. It is possible to easily cope with a controlled device whose setting is to be changed without performing any special operation.
[0014]
A control system according to a fourth aspect of the present invention includes a vehicle-mounted control device according to the second aspect of the present invention, and a positioning device connected to the vehicle-mounted device, wherein the positioning device detects a current position of the vehicle, Means for transmitting the indicated position information to the on-vehicle control device.
[0015]
In the control system according to the fourth invention, for example, based on position information indicating the current position of the vehicle detected by the positioning device using the global positioning system, the in-vehicle control device changes the control setting of the controlled device by changing the control setting of the controlled device. Just because the vehicle moves, the positioning device detects the position of the destination and the control settings are automatically changed, so for example, according to the place to use without performing any work conscious of the position of the vehicle It is possible to change control settings automatically.
[0016]
A control system according to a fifth invention includes a vehicle-mounted control device according to the third invention, and an input device connected to the vehicle-mounted control device for receiving an input, the input device comprising: a unit for receiving an input of information indicating a region; Means for transmitting information indicating the received area as position information to the on-vehicle control device.
[0017]
In the control system according to the fifth invention, information indicating an area such as a name, an international station number, and a preset code is received from an input device such as a liquid crystal panel, and the information indicating the received area is sent to the in-vehicle control device as position information. In the in-vehicle control device, the control setting of the controlled device is changed based on the information indicating the received area, so that the information such as the name of the country where the vehicle is used is input by a simple operation of the controlled device. The control settings can be easily changed.
[0018]
The control system according to a sixth aspect of the present invention is the control system according to the fourth or fifth aspect, further comprising a controlled device connected to the vehicle-mounted device, wherein the controlled device is a lock device for a vehicle door. .
[0019]
In the control system according to the sixth aspect of the invention, even when the region to be used is changed by applying to the electronic control of the lock device of the vehicle door, which needs to change the control setting for each region such as Japan, Europe and the United States. It can be easily changed without performing any special operation.
[0020]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the drawings showing the embodiments.
FIG. 1 is a block diagram showing the configuration of the control system of the present invention.
In FIG. 1, reference numeral 10 denotes a vehicle-mounted control device of the present invention mounted on a vehicle. The vehicle-mounted control device 10 detects, via a communication line L, a traveling state of the vehicle and outputs an electric signal. And an operation means 2 for receiving an operation of locking or unlocking the vehicle door and outputting an electric signal.
The in-vehicle control device 10 is connected to a first communication network NW1 defined by a standard such as CAN used for vehicle body control, and the first communication network NW1 includes a controlled device such as a vehicle door lock device. The device 20 is connected.
Then, the in-vehicle control device 10 receives the electric signal from the detection means 1 or the operation means 2 and controls the controlled device 20 based on the control settings recorded in advance.
Further, a connection device 30 such as a gateway device used for connection of different communication networks is connected to the first communication network NW1, and the connection device 30 is used for communication between the first communication network NW1 and information-related devices. It is connected to a second communication network NW2 defined by standards such as IEEE1394.
The second communication network NW2 is connected to a positioning device 40 that detects a current position using a global positioning system (GPS) and an input device 50 that receives an input from a user.
[0021]
FIG. 2 is a block diagram showing a configuration of a device used in the control system of the present invention.
The in-vehicle control device 10 includes a CPU 11 for controlling the entire device, a ROM 12 for recording information such as various programs and data for controlling the device, a rewritable EPROM 13 for recording information necessary for controlling the controlled device 20, a CPU 11 RAM 14 used for recording temporary data generated by the control of the first embodiment, first connection means 15 such as a connector connected to the communication line L, and second connection means 16 such as a connector connected to the first communication network NW1. ing.
A part of the recording area of the EPROM 13 includes a flag table 13a indicating a relationship between a flag indicating a control state of the controlled device 20 and a control command notified to the controlled device 20, and an electric signal via a communication line L. Is used as a control setting table 13b indicating the relationship between the area and the flag when the vehicle is received, and used area information 13c indicating the area where the vehicle is used is recorded.
[0022]
The positioning device 40 that communicates with the in-vehicle control device 10 via the connection device 30 includes a CPU 41, a ROM 42, a RAM 43, a position detection device 44 used for detecting a current location, and a connection device 45 connected to the second communication network NW2. .
[0023]
The input device 50 that communicates with the in-vehicle control device 10 via the connection device 30 includes a CPU 51, a ROM 52, and a RAM 53, for example, an input / output unit 54 such as a liquid crystal touch panel that receives an input by touching the user and displays necessary information. 2 is provided with connection means 55 for connecting to the communication network NW2.
[0024]
Next, a table recorded in the in-vehicle control device 10 will be described.
FIG. 3 is an explanatory diagram conceptually showing the recorded contents of the flag table 13a recorded in the on-vehicle control device 10 of the present invention.
The flag table 13a indicates a relationship between a flag indicating a state of the controlled device 20 and a control command notified to the controlled device 20.
In the example illustrated in FIG. 3, a control command to be notified to the controlled device 20 which is a locking device for a vehicle door is shown in association with a flag. When the flag is “0”, the control command is “unlocked”. Yes, if the flag is “1”, the control instruction is “locked”.
[0025]
FIG. 4 is an explanatory diagram conceptually showing the recorded contents of the control setting table 13b recorded in the on-vehicle control device 10 of the present invention.
The control setting table 13b shows the relationship between the area and the flag when an electric signal is received via the communication line L.
In FIG. 4, when an electric signal indicating that the vehicle is running is received from the detection unit 1, a flag indicating a region such as a country and a state of the controlled device 20 which is a locking device of the vehicle door is provided. The relationship is shown.
Since the vehicle door lock devices are provided on the driver's seat side, the passenger seat side, and the rear seat side, a flag is set for each vehicle door.
[0026]
In the example shown in FIG. 4, when an electric signal indicating that the vehicle is traveling is received from the detection means 1, and when the area is the United States, the driver's seat side, the passenger seat side, and the rear seat side are used. The flags of all vehicle doors become "1".
When an electric signal indicating that the vehicle is running is received from the detection means 1 and the region is Japan, flags of all vehicle doors on the driver side, the passenger side and the rear seat side are provided. Becomes “1”.
Further, when an electric signal indicating that the vehicle is running is received from the detecting means 1, and the region is in Germany, flags of all vehicle doors on the driver's seat side, the passenger seat side and the rear seat side are provided. Becomes “0”.
As described above, even when the same electric signal is received, different flags are set depending on regions.
[0027]
FIG. 5 is an explanatory diagram conceptually showing the recorded contents of the control setting table 13b recorded in the vehicle-mounted control device 10 of the present invention.
5A and 5B, when an electric signal indicating that the operation to unlock the vehicle door has been received from the operation means 2 is received, the region such as the country and the vehicle door locking device which is a locking device for the vehicle door are received. The relation with the flag indicating the state of the control device 20 is shown.
FIG. 5A shows the relationship between the area and the flag when an electric signal indicating that the operation of unlocking the vehicle door has been received once is received, and FIG. 5B shows the electric signal. Indicates the relationship between the area and the flag when the flag is received twice.
[0028]
In the example illustrated in FIG. 5A, when an electric signal indicating that an operation of unlocking the vehicle door has been received once from the operation unit 2, and the region is the United States, the vehicle door on the driver's seat side is received. Is "0", but the flags of the vehicle doors on the passenger seat side and the rear seat side are "1".
Further, when an electric signal indicating that the operation of unlocking the vehicle door has been received from the operating means 2 is received once, and when the region is Japan or Germany, all of the driver's seat side, the passenger seat side, and the rear seat side are used. Of the vehicle door becomes “0”.
[0029]
In the example illustrated in FIG. 5B, when an electric signal indicating that the operation of unlocking the vehicle door has been received from the operation unit 2 twice, the driving is performed regardless of the region of the United States, Japan, and Germany. The flags of all vehicle doors on the seat side, the passenger seat side, and the rear seat side are set to “0”.
As described above, in Japan and Germany, when an operation of unlocking a vehicle door is performed, all the vehicle doors are unlocked, but in the United States, only one operation of the vehicle door on the driver's seat side is performed. Is unlocked, and by performing the operation twice, all the vehicle doors are unlocked.
[0030]
Next, various processes in the communication system of the present invention will be described.
FIG. 6 is a flowchart showing the processing of the positioning device 40 used in the communication system of the present invention.
The positioning device 40 detects the current position of the vehicle using the global positioning system (S101), and sends information such as longitude and latitude indicating the detected current position to the in-vehicle control device 10 via the connection device 30 as position information. (S102).
The processing of steps S101 to S102 is performed at predetermined intervals.
[0031]
FIG. 7 is a flowchart showing the processing of the input device 50 used in the communication system of the present invention.
When the user changes the area corresponding to the control setting of the controlled device 20, that is, when changing the use area information recorded in the EPROM 13 of the in-vehicle control apparatus 10, the input device 50 displays information indicating the area. Input.
Note that the information indicating the area to be input to the input device 50 is information such as a country name such as a country name, an international area code and a preset code, and is, for example, a word such as "Germany" or a sequence such as "081". , And “US”.
The input device 50 monitors whether or not the input of the information indicating the area is received. When the input of the information indicating the area is received (S201), the information indicating the received area is set as the position information and the connection device 30 is used. (S202).
[0032]
FIG. 8 is a flowchart showing the processing of the vehicle-mounted control device 10 used in the communication system of the present invention.
First, a case where the setting for controlling the controlled device 20 is changed based on the position information received by the in-vehicle control device 10 from the positioning device 40 will be described.
The in-vehicle control device 10 receives area information sent at predetermined intervals from the positioning device 40 via the connection device 30 (S301), and grasps the area where the vehicle is located based on the received position information (S302).
The process of grasping the region where the vehicle is located is a process of determining the region such as the country based on the latitude and longitude indicated by the position information received from the positioning device 40. For example, the latitude and longitude are previously associated with the region. This is possible by designing the database so that it can be referenced.
Then, the in-vehicle control device 10 changes the control setting for controlling the controlled device 20 based on the grasped area (S303).
The process of changing the control setting in step S303 is a process of changing the use area information 13c recorded in the EPROM 13 and indicating the area where the vehicle is used.
In this way, the in-vehicle control device 10 automatically changes the control setting for controlling the controlled device 20 based on the position information indicating the position of the vehicle received from the positioning device 40.
[0033]
FIG. 9 is a flowchart showing the processing of the vehicle-mounted control device 10 used in the communication system of the present invention.
Next, a case where the setting for controlling the controlled device 20 based on the position information received from the input device 50 by the in-vehicle control device 10 is changed will be described.
The in-vehicle control device 10 monitors whether or not information indicating a region, which is sent as position information from the input device 50 via the connection device 30, has been received. If the information indicating the region has been received (S 401), furthermore, Position information sent at predetermined intervals from the positioning device 40 via the connection device 30 is received (S402), and the area where the vehicle is located is grasped based on the received position information (S403).
Then, the area indicated by the position information received in step S401 is compared with the area where the vehicle located in step S403 is located (S404). As a result of the comparison, the area indicated by the position information and the area where the vehicle is located are determined. If the values match (S405: YES), the control setting for controlling the controlled device 20 is changed based on the area indicated by the position information received in step S401 (S406).
The process of changing the control setting in step S406 is a process of changing the use area information 13c recorded in the EPROM 13 and indicating the area where the vehicle is used.
As a result of collation in step S404, if the area indicated by the position information does not match the area where the vehicle is located (S405: NO), the area input to the input device 50 is determined to be incorrect, and the control setting is changed. Is not done.
[0034]
The control setting may be changed based on only the position information received from the input device 50 without considering the position information received from the positioning device 40. And may be used in violation of local laws.
In this way, the in-vehicle control device 10 automatically changes the control setting for controlling the controlled device 20 based on the position information indicating the area where the vehicle is used, received from the input device 50.
[0035]
FIG. 10 is a flowchart showing the processing of the vehicle-mounted control device 10 used in the communication system of the present invention.
In the in-vehicle control device 10, as the process of changing the control settings, the process of changing the control settings based on the position information received from the positioning device 40 described with reference to FIG. 8 or the input device 50 described with reference to FIG. In addition to performing the process of changing the control settings based on the received position information, in parallel with the process of changing the control settings, a process of transmitting a control command to the controlled device 20 as described below is performed. ing.
The in-vehicle control device 10 monitors the electric signal sent from the detection means 1 or the operation means 2 and, when the electric signal is received (S501), sets the control based on the area where the vehicle is used indicated by the use area information 13c. With reference to the table 13b (S502), it is determined whether the flag of the vehicle door locking device that is the controlled device 20 is “0” or “1”, and it is determined that the flag is “1”. In this case (S503: 1), it is detected whether or not the lock device is in the unlocked state, and when it is determined that the lock device is in the unlocked state (S504: YES), the flag recorded in the flag table 13a is compared with the flag recorded in the flag table 13a. Based on the relationship with the control command, lock setting for locking the vehicle door is performed as a control command for electronic control (S505), and the lock setting control command is transmitted to the vehicle. Sent to the controlled device 20 which is A (S506).
The controlled device 20 controls the locked state according to the control command received from the in-vehicle control device 10.
[0036]
If it is determined in step S504 that the lock device is in the locked state (S504: NO), it is determined that there is no need to change the state of the lock device, and the process ends.
[0037]
If it is determined in step S503 that the flag is “0” (S503: 0), the in-vehicle control device 10 detects whether or not the lock device is in the locked state, and determines that the lock device is in the locked state. (S507: YES), lock setting for unlocking the vehicle door is performed as a control command for electronic control based on the relationship between the flag recorded in the flag table 13a and the control command (S508). A lock setting control command is sent to the controlled device 20, which is a vehicle door (S506).
The controlled device 20 controls the unlocked state according to the control command received from the in-vehicle control device 10.
[0038]
If it is determined in step S507 that the lock device is in the unlocked state (S507: NO), it is determined that there is no need to change the state of the lock device, and the process ends.
Note that the processing of steps S502 to S508 is performed for every vehicle door.
Further, the process of changing the control setting and the process of sending the control command may be performed continuously, instead of being performed in parallel.
[0039]
In the above-described embodiment, the form in which the locking device of the vehicle door is controlled based on the position information related to the position of the vehicle is described. However, the present invention is not limited to this, and the form in which the control setting is changed based on the position of the vehicle. Is applicable to any form in which the control setting of the controlled device is changed. For example, an overspeed warning sound is generated according to the place where the vehicle is traveling. The set speed may be changed.
[0040]
【The invention's effect】
As described in detail above, the on-vehicle control device and the control system according to the present invention are used by automatically changing the control setting of the controlled device such as the lock device of the vehicle door based on the information on the position of the vehicle. Since the control settings are automatically changed according to the place, excellent effects are exhibited, such as the control settings can be easily changed according to the place to be used without performing any special operation.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of a control system according to the present invention.
FIG. 2 is a block diagram showing a configuration of a device used in the control system of the present invention.
FIG. 3 is an explanatory diagram conceptually showing recorded contents of a flag table recorded in the on-vehicle control device of the present invention.
FIG. 4 is an explanatory diagram conceptually showing recorded contents of a control setting table recorded in the on-vehicle control device of the present invention.
FIG. 5 is an explanatory diagram conceptually showing recorded contents of a control setting table recorded in the on-vehicle control device of the present invention.
FIG. 6 is a flowchart showing processing of a positioning device used in the communication system of the present invention.
FIG. 7 is a flowchart showing processing of an input device used in the communication system of the present invention.
FIG. 8 is a flowchart showing a process of the on-vehicle control device used in the communication system of the present invention.
FIG. 9 is a flowchart showing a process of the onboard control device used in the communication system of the present invention.
FIG. 10 is a flowchart showing a process of the on-vehicle control device used in the communication system of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Detecting means 2 Operating means 10 In-vehicle control device 20 Controlled device 30 Connection device 40 Positioning device 50 Input device

Claims (6)

In the in-vehicle control device that controls the controlled device based on the setting,
An in-vehicle control device comprising: means for receiving position information relating to a position of a vehicle; and means for changing the setting based on the received position information. The in-vehicle control device according to claim 1, wherein the position information is information indicating a current location of the vehicle. The on-vehicle control device according to claim 1, wherein the position information is information indicating a region. An in-vehicle control device according to claim 2 and a positioning device connected to the in-vehicle device,
A control system comprising: a positioning device for detecting a current position of a vehicle; and a unit for transmitting position information indicating the detected current position to the vehicle-mounted control device. An in-vehicle control device according to claim 3, and an input device connected to the in-vehicle control device and receiving an input,
A control system, characterized in that the input device comprises: means for receiving an input of information indicating an area; and means for transmitting information indicating the received area as position information to the on-vehicle control device. 6. The control system according to claim 4, further comprising a controlled device connected to the on-vehicle device, wherein the controlled device is a lock device for a vehicle door.

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