CN107305352A - Processing method, device and the vehicle with it of digital quantity signal - Google Patents
Processing method, device and the vehicle with it of digital quantity signal Download PDFInfo
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- CN107305352A CN107305352A CN201610245527.XA CN201610245527A CN107305352A CN 107305352 A CN107305352 A CN 107305352A CN 201610245527 A CN201610245527 A CN 201610245527A CN 107305352 A CN107305352 A CN 107305352A
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- signal
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- switching
- digital quantity
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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
Abstract
The invention discloses a kind of processing method and processing device of digital quantity signal, comprise the following steps：Gather switching signal；It is switching value of the Boolean quantity to be inputted by the corresponding switch state of switching signal, wherein, open mode corresponds in 1 and 0 on off state one, closure state corresponds to another in 1 and 0 on off state；Switch amount carries out stabilization processing, and adds scalar quantity.The processing method can realize the stabilization processing and demarcation processing to signal, so as to improve the reliability of signal transacting, preferably data are handled in real time, it is ensured that the normal reliable operation of vehicle.The invention also discloses a kind of vehicle.
Description
Technical field
The present invention relates to technical field of vehicle, more particularly to a kind of processing method of digital quantity signal, device and the car with it
.
Background technology
Data acquisition technology is an important score value of information science, the collection, processing and control of its research information data etc.
Operation.In fields such as intelligence instrument, signal processor and industry automatic controls, the measurement and control that all there are data are asked
Topic.The analog quantitys such as temperature, pressure, voltage, displacement and angle that the external world is present are converted to data signal, then receive
Collect controller and further shown, handled, transmitted and recorded this process, be i.e. referred to as data acquisition.Therefore, it is right
The continuous improvement of vehicle digitized degree, to ensure the normal reliable operation of vehicle, the processing procedure of digital quantity signal becomes
It is particularly important.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose a kind of processing method of digital quantity signal, this method can improve signal
The reliability of processing, it is ensured that the normal reliable operation of vehicle.
It is another object of the present invention to propose a kind of processing unit of digital quantity signal.
Another object of the present invention is to propose a kind of vehicle.
To reach above-mentioned purpose, one aspect of the present invention embodiment proposes a kind of processing method of digital quantity signal, including following
Step：Gather switching signal；It is switching value of the Boolean quantity to be inputted by the corresponding switch state of the switching signal,
Wherein, closure state corresponds in open mode corresponds in 1 and 0 in the on off state one, the on off state
Another in described 1 and 0；And stabilization processing is carried out to the switching value, and add scalar quantity.
The processing method of the digital quantity signal of the embodiment of the present invention, by being boolean by the corresponding switch state of switching signal
Amount, so that switching value is obtained, and then switch amount carries out stabilization processing and addition scalar quantity, realizes the stabilization to signal
Data, so as to improve the reliability of signal transacting, are preferably handled, it is ensured that vehicle by processing and demarcation processing in real time
Normal reliable is run.
Further, in one embodiment of the invention, the above method also includes：According to default output valve to the switch
Amount carries out amplitude limit.
Further, in one embodiment of the invention, described is cloth by the corresponding switch state of the switching signal
You measure, and further comprise：Obtain the ADC sampled values of the switching signal；According to the ADC sampled values of the switching signal
Obtain the corresponding on off state；And by the corresponding switch state be the Boolean quantity.
To reach above-mentioned purpose, another aspect of the present invention embodiment proposes a kind of processing unit of digital quantity signal, including：
Acquisition module, for gathering switching signal；Modular converter, for being cloth by the corresponding switch state of the switching signal
You measure the switching value to be inputted, wherein, open mode corresponds in 1 and 0 in the on off state one is described
Closure state corresponds to another in described 1 and 0 on off state；And processing module, for entering to the switching value
The processing of row stabilization, and add scalar quantity.
The processing unit of the digital quantity signal of the embodiment of the present invention, by being boolean by the corresponding switch state of switching signal
Amount, so that switching value is obtained, and then switch amount carries out stabilization processing and addition scalar quantity, realizes the stabilization to signal
Data, so as to improve the reliability of signal transacting, are preferably handled, it is ensured that vehicle by processing and demarcation processing in real time
Normal reliable is run.
Further, in one embodiment of the invention, said apparatus also includes：Clipping module, for according to default defeated
Go out value and amplitude limit is carried out to the switching value.
Further, in one embodiment of the invention, the modular converter includes：First acquisition unit, for obtaining
The ADC sampled values of the switching signal；Second acquisition unit, for being worth to according to the ADC of switching signal samplings
The corresponding on off state；And converting unit, for being the Boolean quantity by the corresponding switch state.
To reach above-mentioned purpose, further aspect of the present invention embodiment proposes a kind of vehicle, and the vehicle includes above-mentioned digital quantity
The processing unit of input signal.
The vehicle of the embodiment of the present invention, by being Boolean quantity by the corresponding switch state of switching signal, so as to be switched
Amount, and then switch amount carries out stabilization processing and addition scalar quantity, realizes that stabilization processing and demarcation to signal are handled,
So as to improve the reliability of signal transacting, preferably data are handled in real time, it is ensured that the normal reliable operation of vehicle.
The additional aspect of the present invention and advantage will be set forth in part in the description, and partly will become bright from the following description
It is aobvious, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect of the present invention and advantage will be apparent from the following description of the accompanying drawings of embodiments and
It is readily appreciated that, wherein：
Fig. 1 is the flow chart of the processing method of the digital quantity signal according to one embodiment of the invention；
Fig. 2 is the flow chart handled according to the digital quantity input signal of one embodiment of the invention；
Fig. 3 is to handle schematic diagram according to the stabilization of one embodiment of the invention；
Fig. 4 is the flow chart of the digital output signal transacting according to one embodiment of the invention；
Fig. 5 is the structural representation of the processing unit of the digital quantity signal according to one embodiment of the invention；
Fig. 6 is the structural representation of the processing unit of the digital quantity signal according to another embodiment of the present invention；
Fig. 7 is the structural representation of the modular converter according to one embodiment of the invention.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein identical from beginning to end
Or similar label represents same or similar element or the element with same or like function.Retouched below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The processing method of the digital quantity signal for describing to propose according to embodiments of the present invention with reference to the accompanying drawings, device and have
Its vehicle, describes the processing method of digital quantity signal proposed according to embodiments of the present invention with reference to the accompanying drawings first.
Fig. 1 is the flow chart of the processing method of the digital quantity signal of one embodiment of the invention.
As shown in figure 1, the processing method of the digital quantity signal comprises the following steps：
In step S101, switching signal is gathered.
In step s 102, it is switching value of the Boolean quantity to be inputted by the corresponding switch state of switching signal,
Wherein, open mode corresponds in 1 and 0 on off state one, closure state corresponds to 1 and 0 on off state
In another.
In an embodiment of the present invention, first can by positive contact device status signal, cathode contact device status signal,
Brake pedal switch signal, accelerator pedal switching signal, KL15 signals, StartSwitch signals, gear R/N/D
The switching signals such as input signal, electronic fan reverse signal, park brake switch signal, external charge line signal are changed
For Boolean quantity.
Further, in one embodiment of the invention, it is Boolean quantity by the corresponding switch state of switching signal,
Further comprise：Obtain the ADC sampled values of switching signal；It is worth to according to the ADC of switching signal samplings corresponding
On off state；It is Boolean quantity by corresponding switch state.
In one example, determined whether there is according to the sampled value of brake switch amount to power supply short circuit and shorted to earth failure；
By the ADC sampled values of the brake pedal switch signal of input by hysteresis handle, wherein, hysteresis processing on values with
Off values can be the calibration value of setting, so as to be output as 0 or 1 Boolean quantity；Upper one is exported if having transient fault
The value at moment；Again by the processing of debounce stabilizations, so that it is guaranteed that the reliability of On-off signal.
In one example, the ADC sampled values of the accelerator pedal IS Idle Switch signal of input are handled by hysteresis, its
In, the on values and off values of hysteresis processing can be the calibration value of setting, so that 0 or 1 Boolean quantity is output as, then
Handled by debounce stabilizations, so that it is guaranteed that the reliability of On-off signal.
In one example, the KL15 switching signals of input and the ADC sampled values of Start signals are handled by hysteresis,
Wherein, the on values and off values of hysteresis processing can be the calibration value of setting, so that 0 or 1 Boolean quantity is output as,
Again by the processing of debounce stabilizations, so that it is guaranteed that the reliability of On-off signal.
Further, when KL15 input signals are 0, output key position signal is OFF；When passing through debounce
The Start signals input of stabilization processing is 1, and output key position signal is START；Prevent when by debounce
The KL15 signals input of dithering process is 1, and output key position signal is ON；When by debounce stabilizations
The KL15 signals input of reason is 0, then lower electric request flag position 1；Export what is handled without debounce stabilizations
KL15 signals are available for subsequent module.
In one example, the ADC sampled values of the DCDC switching signals of input are handled by hysteresis, wherein, it is stagnant
The on values and off values for returning processing can be the calibration value of setting, so as to be output as 0 or 1 Boolean quantity, then pass through
Debounce processing, so that it is guaranteed that the reliability of On-off signal.
In one example, the ADC sampled values of the start-stop hand switch signal of input are handled by hysteresis, wherein,
The on values and off values of hysteresis processing can be the calibration value of setting, so that 0 or 1 Boolean quantity is output as, according to association
View, is negated to signal, then by the processing of debounce stabilizations, so that it is guaranteed that the reliability of On-off signal.
In one example, the ADC sampled values of the mode selection switch signal of input are handled by hysteresis, wherein,
The on values and off values of hysteresis processing can be the calibration value of setting, so that 0 or 1 Boolean quantity is output as, according to association
View, is negated to signal, then by the processing of debounce stabilizations, so that it is guaranteed that the reliability of On-off signal.
In one example, the ADC sampled values of the driving switch signal of input are handled by hysteresis, wherein, hysteresis
The on values and off values of processing can be the calibration value of setting, so that 0 or 1 Boolean quantity is output as, according to agreement,
RND gear signals to be low effectively, it is necessary to negate, then by the processing of debounce stabilizations, so that it is guaranteed that On-off signal
Reliability.RNDL gears judgment principle can be as shown in table 1, and table 1 is：
Table 1
In one example, the ADC sampled values of the park brake switch signal of input are handled by hysteresis, wherein,
The on values and off values of hysteresis processing are the calibration value of setting, so that 0 or 1 Boolean quantity is output as, according to agreement,
Signal is negated, then by the processing of debounce stabilizations, so that it is guaranteed that the reliability of On-off signal.
In step s 103, switch amount carries out stabilization processing, and adds scalar quantity.
It is understood that as shown in Fig. 2 after Boolean quantity is converted to, secondly carrying out stabilization processing and demarcation
Processing, so as to realize the processing function of digital quantity input signal.
For example, as shown in figure 3, for exclusive PCR, obtaining deterministic input signal, it is necessary to believe input
Number stabilization processing is done, i.e., when input signal changes, within one continuous time t this need to be kept to change,
Deterministic input can be considered as, otherwise, be considered as interference signal, wherein time period t can rule of thumb and specifically
Depending on system.
In addition, in one embodiment of the invention, the processing method of the embodiment of the present invention also includes：According to default defeated
Go out to be worth switch amount and carry out amplitude limit.
It is understood that as shown in figure 4, the processing method of the embodiment of the present invention can also carry out amplitude limiting processing and mark
Fixed processing, so as to realize the processing function of digital output signal.For example, DC-DC enables signal transacting, set defeated
Go out value；The processing of electric water pump relay control signal, sets output valve；The processing of cooling fan relay control signal,
Set output valve；Machine control signal processing is started, output valve is set.
Specifically, in one example, using Switch modules, scalar quantity, and energy are added to DCDC signals
It is enough to carry out input selection and demarcation.When calibration switch is effective, scalar quantity is selected；When calibration switch is invalid, selection
Control strategy normal output values.
In one example, using Switch modules, scalar quantity is added to water pump signal, and input choosing can be carried out
Select and demarcate.When calibration switch is effective, scalar quantity is selected；When calibration switch is invalid, selection control strategy is normal
Output valve.
In one example, using Switch modules, scalar quantity is added to fan signal, and input choosing can be carried out
Select and demarcate.When calibration switch is effective, scalar quantity is selected；When calibration switch is invalid, selection control strategy is normal
Output valve.
In one example, using Switch modules, scalar quantity is added to starter signal, and can be inputted
Selection and demarcation.When calibration switch is effective, scalar quantity is selected；When calibration switch is invalid, selection control strategy is just
Normal output valve.
The processing method of digital quantity signal according to embodiments of the present invention, when handling digital quantity input signal, by that will open
The corresponding switch state of OFF signal is Boolean quantity, so as to obtain switching value, so switch amount carry out stabilization processing and
Scalar quantity is added, realizes that stabilization processing and demarcation to signal are handled, and when handling digital quantity output signal, enter
One step carries out amplitude limiting processing, so as to improve the reliability of signal transacting, preferably data is handled in real time, it is ensured that vehicle
Normal reliable operation, it is and simple and convenient.
Describe what is proposed according to embodiments of the present invention referring next to accompanying drawing.
Fig. 5 is the structural representation of the processing unit of the digital quantity signal of one embodiment of the invention.
As shown in figure 5, the processing unit 10 of the digital quantity signal includes：Acquisition module 100, modular converter 200 and processing
Module 300.
Wherein, acquisition module 100 is used to gather switching signal.Modular converter 200 is used for the corresponding switch shape of switching signal
The switching value that state is converted to Boolean quantity to be inputted, wherein, open mode corresponds in 1 and 0 on off state one,
Closure state corresponds to another in 1 and 0 on off state.Processing module 300 is used for switch amount and carried out at stabilization
Reason, and add scalar quantity.The processing unit 10 of the embodiment of the present invention can realize the stabilization processing and demarcation processing to signal,
So as to improve the reliability of signal transacting, preferably data are handled in real time, it is ensured that the normal reliable operation of vehicle.
Further, in one embodiment of the invention, as shown in fig. 6, the processing unit 10 of the embodiment of the present invention is also wrapped
Include：Clipping module 400.Wherein, clipping module 400 is used to carry out amplitude limit according to default output valve switch amount.
In one embodiment of the invention, as shown in fig. 7, the modular converter 200 of the embodiment of the present invention includes：First obtains
Take unit 201, second acquisition unit 202 and converting unit 203.
Wherein, first acquisition unit 201 is used for the ADC sampled values for obtaining switching signal.Second acquisition unit 202 is used for root
Corresponding on off state is worth to according to the ADC samplings of switching signal.Converting unit 203 is used for corresponding switch state
For Boolean quantity.
It should be noted that the explanation of the foregoing processing method embodiment to digital quantity signal is also applied for the embodiment
The processing unit of digital quantity signal, here is omitted.
The processing unit of digital quantity signal according to embodiments of the present invention, when handling digital quantity input signal, by that will open
The corresponding switch state of OFF signal is Boolean quantity, so as to obtain switching value, so switch amount carry out stabilization processing and
Scalar quantity is added, realizes that stabilization processing and demarcation to signal are handled, and when handling digital quantity output signal, enter
One step carries out amplitude limiting processing, so as to improve the reliability of signal transacting, preferably data is handled in real time, it is ensured that vehicle
Normal reliable operation, it is and simple and convenient.
In addition, the embodiment of the present invention also proposed a kind of vehicle, the vehicle includes the processing unit of above-mentioned digital quantity signal.
The vehicle can when handling digital quantity input signal, by by the corresponding switch state of switching signal be Boolean quantity,
So as to obtain switching value, and then switch amount carries out stabilization processing and addition scalar quantity, realizes and the stabilization of signal is handled
Handled with demarcation, and when handling digital quantity output signal, amplitude limiting processing is further carried out, so as to improve signal transacting
Reliability, preferably data are handled in real time, it is ensured that the operation of the normal reliable of vehicle, and simple and convenient.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ",
The orientation or position relationship of the instruction such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify description, rather than indicate or imply signified device or
Element must have specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, term " first ", " second " be only used for describe purpose, and it is not intended that indicate or imply relative importance or
The implicit quantity for indicating indicated technical characteristic.Thus, " first " is defined, the feature of " second " can be expressed or hidden
Include at least one this feature containing ground.In the description of the invention, " multiple " are meant that at least two, such as two, three
It is individual etc., unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, the art such as term " installation ", " connected ", " connection ", " fixation "
Language should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be machinery
Connection or electrical connection；Can be joined directly together, can also be indirectly connected to by intermediary, can be two members
The interaction relationship of connection or two elements inside part, unless otherwise clear and definite restriction.For the ordinary skill of this area
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature can be "above" or "below" second feature
First and second features are directly contacted, or the first and second features pass through intermediary mediate contact.Moreover, first is special
Levy second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only
Only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below "
Can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than second
Feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specific example ",
Or the description of " some examples " etc. means to combine specific features, structure, material or the feature bag that the embodiment or example are described
It is contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term necessarily
It is directed to identical embodiment or example.Moreover, specific features, structure, material or the feature of description can be any
Combined in an appropriate manner in individual or multiple embodiments or example.In addition, in the case of not conflicting, the skill of this area
Not be the same as Example or the feature of example and non-be the same as Example or example described in this specification can be combined by art personnel
And combination.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment be it is exemplary,
It is not considered as limiting the invention, one of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, changes, replacing and modification.
Claims (7)
1. a kind of processing method of digital quantity signal, it is characterised in that comprise the following steps：
Gather switching signal；
It is switching value of the Boolean quantity to be inputted by the corresponding switch state of the switching signal, wherein, the switch
Closure state corresponds in described 1 and 0 in open mode corresponds in 1 and 0 in state one, the on off state
Another；And
Stabilization processing is carried out to the switching value, and adds scalar quantity.
2. the processing method of digital quantity input signal as claimed in claim 1, it is characterised in that also include：According to default
Output valve carries out amplitude limit to the switching value.
3. the processing method of digital quantity input signal as claimed in claim 1, it is characterised in that described to believe the switch
Number corresponding switch state is Boolean quantity, is further comprised：
Obtain the ADC sampled values of the switching signal；
The corresponding on off state is worth to according to the ADC of switching signal samplings；And
It is the Boolean quantity by the corresponding switch state.
4. a kind of processing unit of digital quantity signal, it is characterised in that including：
Acquisition module, for gathering switching signal；
Modular converter, for being switching value of the Boolean quantity to be inputted by the corresponding switch state of the switching signal,
Wherein, closure state corresponds in open mode corresponds in 1 and 0 in the on off state one, the on off state
Another in described 1 and 0；And
Processing module, for carrying out stabilization processing to the switching value, and adds scalar quantity.
5. the processing unit of digital quantity signal as claimed in claim 4, it is characterised in that also include：
Clipping module, for carrying out amplitude limit to the switching value according to default output valve.
6. the processing unit of digital quantity signal as claimed in claim 4, it is characterised in that the modular converter includes：
First acquisition unit, the ADC sampled values for obtaining the switching signal；
Second acquisition unit, for being worth to the corresponding on off state according to the ADC of switching signal samplings；And
Converting unit, for being the Boolean quantity by the corresponding switch state.
7. a kind of vehicle, it is characterised in that including：The processing unit of digital quantity input signal as described in claim 4-6.
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| CN102436227A (en) * | 2011-09-16 | 2012-05-02 | 北京雪迪龙科技股份有限公司 | Method for collecting switching value signal by data acquisition transmitter |
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Application publication date: 20171031 |