KR101651367B1 - Programmable regulator for vehicle - Google Patents

Programmable regulator for vehicle Download PDF

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Publication number
KR101651367B1
KR101651367B1 KR1020150114856A KR20150114856A KR101651367B1 KR 101651367 B1 KR101651367 B1 KR 101651367B1 KR 1020150114856 A KR1020150114856 A KR 1020150114856A KR 20150114856 A KR20150114856 A KR 20150114856A KR 101651367 B1 KR101651367 B1 KR 101651367B1
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KR
South Korea
Prior art keywords
function
memory
data
asic
nonvolatile memory
Prior art date
Application number
KR1020150114856A
Other languages
Korean (ko)
Inventor
김현선
김양욱
백승원
Original Assignee
대우전자부품(주)
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Priority to KR1020150114856A priority Critical patent/KR101651367B1/en
Application granted granted Critical
Publication of KR101651367B1 publication Critical patent/KR101651367B1/en

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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
    • G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11C—STATIC STORES
    • G11C16/00—Erasable programmable read-only memories
    • G11C16/02—Erasable programmable read-only memories electrically programmable
    • G11C16/06—Auxiliary circuits, e.g. for writing into memory
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/06—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes without control electrode or semiconductor devices without control electrode
    • 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
    • G05B2219/00—Program-control systems
    • G05B2219/20—Pc systems
    • G05B2219/25—Pc structure of the system
    • G05B2219/25258—ASIC

Abstract

The present invention relates to a programmable automotive regulator, comprising: a non-volatile memory that supports data storage, modification, or erase operations; And at least one of the functions that can be performed on the basis of the function data stored in the nonvolatile memory is stored in the nonvolatile memory, And an application specific integrated circuit (ASIC).

Description

PROGRAMMABLE REGULATOR FOR VEHICLE

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a voltage regulator used in a vehicle power precise control apparatus, and more particularly, to a programmable automotive vehicle having an application specific integrated circuit (ASIC) type vehicle regulator, Regulator.

The power precision control device is a core part of a power generator in a vehicle and designed to maintain a constant output voltage even when input voltage and output load change.

It performs a key function of keeping the variation of the generator terminal voltage precisely and constantly due to the fluctuation of the load speed in the vehicle. It charges the battery used in the car to start the car when the power is not generated, Power supply is used, and irregular fluctuations of the voltage are coordinated to supply a constant voltage to the load (electrical component), so that efficient power distribution is achieved.

Such a power precision control device is mainly implemented by a voltage regulator in the form of an application specific integrated circuit (ASIC). The ASIC is an application-specific semiconductor that is designed and manufactured according to a user's order, There is a disadvantage in that it is impossible to change and extend additional functions.

Therefore, it is almost impossible to add the control function of the vehicle through the voltage regulator in the form of ASIC after the vehicle is shipped. Even if the function can be added, the cost and the period of time can be increased Patent No. 10-2003-0037932).

Accordingly, the present invention employs a nonvolatile memory that can be interlocked with an ASIC, thereby allowing data related to various functions to be stored or modified, thereby enabling a variety of customer requirements to be easily accommodated through an ASIC type vehicle regulator To provide a programmable automotive regulator.

According to an aspect of the present invention, there is provided a non-volatile memory for supporting a data storage, modification, or erasing operation. And at least one of the functions that can be performed on the basis of the function data stored in the nonvolatile memory is stored in the nonvolatile memory, And an application specific integrated circuit (ASIC) that carries out the operation of the vehicle.

The ASIC newly stores, modifies, or deletes the function data in the nonvolatile memory, reads and outputs the function data stored in the nonvolatile memory, generates a memory address table based on the memory address information for each function data, And a memory interface unit for providing the memory interface unit; A function execution unit for reading data corresponding to a requested function based on the memory address table and executing the requested function based on the read data; And a data transmission / reception unit for transmitting / receiving data to / from an external device through at least one of a LIN (Local Interconnect Network) communication module, a CAN (Controller Area Network) communication module, and a FlexRay.

Wherein the non-volatile memory is implemented as one of a ROM, a flash memory, and a magnetic computer storage device.

According to the present invention, an ASIC capable of interlocking with a nonvolatile memory is proposed. By storing, modifying, and deleting data related to various functions through a nonvolatile memory, it is possible to provide various types of functions, So that they can easily be accommodated. Therefore, even if the automotive regulator is implemented as an ASIC, it offers the effect of making it possible to accommodate various customer requirements more easily and easily.

FIG. 1 is a view showing a vehicle power precise control apparatus according to an embodiment of the present invention.
2 is a diagram showing the configuration of a programmable automotive regulator according to an embodiment of the present invention.
3 is a view for explaining a function changing method of a regulator for a programmable vehicle according to an embodiment of the present invention.
4 is a diagram illustrating a method of performing a function of a programmable automotive vehicle regulator according to an embodiment of the present invention.

BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features and advantages of the present invention will be more apparent from the following detailed description taken in conjunction with the accompanying drawings, in which: FIG. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

The following terms are defined in consideration of the functions of the present invention, and these may be changed according to the intention of the user, the operator, or the like.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art to which the present invention pertains. Only. Therefore, the definition should be based on the contents throughout this specification.

FIG. 1 is a view showing a vehicle power precise control apparatus according to an embodiment of the present invention.

As shown in FIG. 1, a vehicle power precise control apparatus 100 according to an embodiment of the present invention includes a three-phase stator 110 (hereinafter, referred to as a " A rectifier 120 having six diodes D1 to D6 for full-wave rectifying the three-phase AC voltage of the stator 110 to a DC voltage, and an MCU capable of accommodating various customer requirements, And a regulator 130 for controlling the current flowing through the field coil according to the output voltage of the rectifier 120 to maintain the output voltage of the rectifier 120 at a constant value.

When the vehicle engine rotates in accordance with the running of the automobile, the three-phase AC voltage corresponding to the amount of rotation of the automobile engine is generated through the field coil and the three-phase stator 110, and the rectifier 120 converts the three-phase AC voltage generated by the three-phase stator 110 into a DC voltage. The regulator 130 adjusts the current supplied to the field coil according to the DC voltage of the rectifier 120 so that the amount of power generated by the vehicle is maintained at a constant value.

However, the regulator 130 of the present invention is implemented by a nonvolatile memory that newly stores or modifies data related to various functions and an ASIC that is operated based on information stored in a nonvolatile memory, can do.

That is, in the present invention, even after the vehicle power precise control apparatus 100 is manufactured, the operation specifications of the regulator 130 can be variously programmed according to the requirements of the customer. Therefore, in the present invention, after the precise control device for a vehicle power supply is manufactured, the operation specification can be changed according to the type of the vehicle on which the precise control device for the vehicle power is mounted, To be optimized for the vehicle.

In addition, in consideration of the necessity of connection with an external device such as a desk top, a notebook, etc., in order to adjust the operation specification of the regulator 130, the vehicle power precision control device of the present invention may be applied to a LIN (Local Interconnect Network) (Controller Area Network) communication module, a FlexRay communication module, and the like.

That is, the vehicle power precision control apparatus of the present invention induces an easy connection between the vehicle power precise control apparatus and the external apparatus through the vehicle network means, so that the specification adjustment operation can be performed more efficiently.

2 is a diagram showing the configuration of a programmable automotive regulator according to an embodiment of the present invention.

2, the regulator 130 of the present invention includes a non-volatile memory (NVM) 131, an ASIC 132, an analog to digital converter (ADC) 133, And a transistor 134 and the like.

The nonvolatile memory 131 may be implemented as a ROM, a flash memory, a magnetic computer storage device (e.g., a hard disk, a diskette drive, a magnetic tape), an optical disk drive, Modify, or delete them. Particularly, in the present invention, when one function is composed of a plurality of functions, and each of the plurality of functions includes at least one function parameter, the data writing operation can be performed by subdividing into functional units, functional units, and functional parameter units So that the amount of data required for function addition, modification, and deletion operations can be minimized.

Function function Function parameter Soft starter function - Soft start time
- Soft stop time Signal line disconnection function /
Signal Paragraph Protection Function - Signal line disconnection or short-circuit detection condition
- motor drive value when signal line disconnection is detected
- motor drive value when signal line short circuit is detected Voltage protection function - overvoltage detection value
- undervoltage detection value Motor constraint detection function - Standard for detection of motor constraint status High temperature protection function - High temperature reference value PWM output voltage compensation function - Motor output voltage by input duty
- PWM output voltage compensation standard according to battery voltage Drive configuration function - Rated voltage
- operating voltage
- Operating ambient temperature
- Storage ambient temperature
- Input signal source current
- Input signal frequency
- Input signal duty range
- Maximum driving power
- Input voltage and duty
- Motor drive frequency range
- Output voltage

The ASIC 132 includes a memory interface unit 310, a function execution unit 320 and a data transmission / reception unit 330. The ASIC 132 stores data related to a new function in the nonvolatile memory 131, Or deletion of the functions, the types of functions that can be performed and the conditions for performing the functions can be easily added, modified, or deleted.

To this end, the memory interface unit 310 newly stores, modifies, or deletes the function data in the nonvolatile memory 131 under the request of the ECU, the external desk top, or the notebook through the data transmission / reception unit 330, So that the function data stored in the volatile memory 131 is read.

Each time the function data stored in the nonvolatile memory 131 is changed, memory address information for the changed function data (i.e., function function and function parameters) is collected and stored to generate and provide a memory address table do.

When the function execution unit 320 receives an execution request for a specific function, the function execution unit 320 reads information related to the function (i.e., a function and a function parameter) from the nonvolatile memory 131 through the memory interface unit 310, Execute the corresponding function. When an external device such as the ECU 200 requests to receive the function execution result, the execution result of the function can be notified to the ECU 200 in real time.

The data transmission / reception unit 330 includes vehicle network means such as a LIN communication module, a CAN communication module, and a FlexLay communication module, thereby forming communication channels with various external devices and transmitting / receiving data.

Of course, the ASIC 130 further includes a connection terminal 340 through which an external device such as the ECU 200, a desktop, a notebook computer, etc., a battery, a motor, and various devices in the vehicle power precision control apparatus 100 Support physical connection.

Subsequently, the analog-to-digital converter 133 converts the analog signal transmitted from the various elements provided in the vehicle power source precise control apparatus 100 into a digital signal form recognizable by the ASIC 132, and then transmits the analog signal to the ASIC 132 .

The transistor 134 actively changes the turn-on and turn-off times in response to the PWM output voltage operation that the ASIC 132 performs based on the PWM output voltage compensation function so that the battery output voltage is always constant Value.

Hereinafter, a function changing method of a regulator according to an embodiment of the present invention will be described with reference to FIGS. 3 and 4. FIG.

First, a method of adding a function of a regulator will be described with reference to FIG.

When the user accesses an external device such as a desk top, a notebook computer, or the like through the LIN communication method and requests the function change (S11), the ASIC 132 responds to the request to change the nonvolatile memory 131 (S12).

Then, when a lighting command for new function data (e.g., function and function parameters) is sent from the desktop or notebook, the ASIC 132 causes the new function data to be written to the non-volatile memory 131 in response S13).

Then, the memory address table for the non-volatile memory 131 is corrected (S14).

When no further function change is requested, or when an external device such as a desk top or a notebook is disconnected (S15), the nonvolatile memory 131 is changed to the memory non-editable state and the operation is terminated (S16).

A method of performing the function of the regulator will be described with reference to FIG.

If the specific function is requested to be performed by the ECU 200 or the vehicle power precise control apparatus 100 itself (S21), the ASIC 132 refers to the memory address table acquired and stored in advance, (I.e., function and function parameters necessary for executing the function) stored in the storage unit 131 (S22).

And executes the corresponding function based on the read function data. If necessary, the functional function execution result is fed back to the ECU 200 or the vehicle power supply precise control apparatus 100 (S23).

The foregoing description is merely illustrative of the technical idea of the present invention, and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the scope of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas within the scope of equivalents should be construed as falling within the scope of the present invention.

Claims (3)

A nonvolatile memory that supports data storage, modification, or deletion operations; And
Volatile memory, wherein the nonvolatile memory is adapted to change the types of functions and the execution conditions according to functions by newly storing, modifying, or deleting the function data in the nonvolatile memory, and performing at least one of the executable functions based on the function data stored in the non- An application specific integrated circuit (ASIC)
The ASIC
Volatile memory, and generates and provides the memory address table based on the memory address information for each of the function data, A memory interface unit;
A function execution unit for reading data corresponding to a requested function based on the memory address table and executing the requested function based on the read data; And
And a data transmitting and receiving unit for transmitting and receiving data to and from an external device through at least one of a LIN (Local Interconnect Network) communication module, a CAN (Controller Area Network) communication module, and a FlexRay. delete 2. The non-volatile memory of claim 1,
ROM, a flash memory, and a magnetic computer storage device.
KR1020150114856A 2015-08-13 2015-08-13 Programmable regulator for vehicle KR101651367B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200027146A (en) 2018-09-04 2020-03-12 현대오트론 주식회사 Voltage regulator and open load diagnosis method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130094423A (en) * 2012-02-16 2013-08-26 대우전자부품(주) Alternator for vehicle
KR101464888B1 (en) * 2013-08-27 2014-11-24 대우전자부품(주) Alternator haning multi-function for vehicle

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130094423A (en) * 2012-02-16 2013-08-26 대우전자부품(주) Alternator for vehicle
KR101464888B1 (en) * 2013-08-27 2014-11-24 대우전자부품(주) Alternator haning multi-function for vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200027146A (en) 2018-09-04 2020-03-12 현대오트론 주식회사 Voltage regulator and open load diagnosis method thereof

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