CN108415496B - Reference adjusting method and device - Google Patents
Reference adjusting method and device Download PDFInfo
- Publication number
- CN108415496B CN108415496B CN201810151385.XA CN201810151385A CN108415496B CN 108415496 B CN108415496 B CN 108415496B CN 201810151385 A CN201810151385 A CN 201810151385A CN 108415496 B CN108415496 B CN 108415496B
- Authority
- CN
- China
- Prior art keywords
- parameter
- output
- voltage
- control
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
- G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
- G05F1/10—Regulating voltage or current
- G05F1/46—Regulating voltage or current wherein the variable actually regulated by the final control device is dc
- G05F1/461—Regulating voltage or current wherein the variable actually regulated by the final control device is dc using an operational amplifier as final control device
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Automation & Control Theory (AREA)
- Control Of Amplification And Gain Control (AREA)
- Control Of Electrical Variables (AREA)
Abstract
The invention relates to the technical field of electronic communication, and discloses a reference adjusting method and a device, wherein the reference adjusting method comprises the following steps: when detecting that the output voltage of the regulating device continuously passes through a preset voltage reference point set, activating a reference voltage regulating program: when the output voltage of the regulating device continuously passes through the voltage reference point set from low to high, the preset reference parameter is increased by one step; or when the output voltage of the regulating device continuously passes through the voltage reference point set from high to low, the reference parameter is reduced by one step; obtaining a control parameter; if the control parameter reaches the expected target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and serving as the reference value of the output level of the control object; otherwise, repeating the above steps. The reference adjusting method and the device can avoid the problem of poor automatic level control effect caused by the fact that the output voltage of the adjusting device is interfered by other factors to change, and ensure the stability of a product.
Description
Technical Field
The present invention relates to the field of electronic communications technologies, and in particular, to a method and an apparatus for adjusting a reference.
Background
With the development of electronic communication technology, electronic devices are gradually developed in diversified and intelligent directions, people have higher and higher requirements for the precision of the electronic devices, and ALC (Automatic Level Control) is a technology capable of automatically controlling the signal strength or the potential value of an input end, an output end or a certain part in an electronic circuit within a certain range, and can improve the stability of the electronic devices, so that the Automatic Level Control is widely applied to electronic products.
Currently, the automatic level control generally uses the output voltage of the regulator to control the reference value of the level, wherein the reference value of the level is larger when the output voltage of the regulator is larger, and the reference value of the level is smaller when the output voltage of the regulator is smaller. However, the output voltage of the regulator is very susceptible to interference, and when the regulator is affected by interference factors such as the temperature of the electronic device or the power supply voltage of the regulator, the output voltage of the regulator also changes gently, so that the reference value of the output level in the automatic level control also changes, which results in poor effect of the automatic level control and further affects the stability of the product.
Disclosure of Invention
The invention aims to provide a reference adjusting method and a reference adjusting device, which are used for solving the technical problem that the effect of automatic level control is poor due to the fact that the output voltage of the conventional adjusting device is easily interfered, and ensuring the stability of a product.
In order to solve the above technical problem, the present invention provides a reference adjusting method, including the steps of:
detecting the output voltage of the regulating device in real time;
when the output voltage of the regulating device changes suddenly and continuously passes through a preset voltage reference point set, activating a reference voltage regulating program: when the output voltage of the regulating device continuously passes through the voltage reference point set from low to high, a step is added to a preset reference parameter; or decreasing the reference parameter by one step as the output voltage of the regulating device continuously passes through the set of voltage reference points from high to low; obtaining a control parameter;
if the control parameter reaches the expected target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and serving as the reference value of the output level of the control object; otherwise, repeating the previous step.
Preferably, the set of voltage reference points is U ═ epsilon1，ε2，……，εnIn which e1＜ε2＜……＜εnAnd n is the total number of all voltage reference points.
Preferably, when the output voltage of the adjusting device continuously passes through the voltage reference point set from low to high, the reference parameter is increased by one step, specifically:
when the output voltage of the regulating device passes through the voltage reference point epsilon continuously and sequentially1，ε2，……，εnThen:
anew＝aold+γ
wherein, anewFor the control parameter, aoldγ is the step for the reference parameter.
Preferably, when the output voltage of the regulating device continuously passes through the voltage reference point set from high to low, the reference parameter is decreased by one step, specifically:
when the output voltage of the regulating device passes through the voltage reference point epsilon continuously and sequentiallyn，……，ε2，ε1Then:
anew＝aold-γ。
wherein, anewFor the control parameter, aoldγ is the step for the reference parameter.
To solve the same technical problem, the present invention further provides a reference adjusting apparatus, which is suitable for the reference adjusting method, including:
the adjusting module is used for receiving a control signal and outputting corresponding voltage according to the control signal;
a control object module for outputting a stable level;
the detection control module is used for detecting the output voltage of the adjusting module in real time, and activating a reference voltage adjusting program when the output voltage of the adjusting module changes suddenly and continuously passes through a preset voltage reference point set: when the output voltage of the adjusting module continuously passes through the voltage reference point set from low to high, a step is added to a preset reference parameter; or decreasing the reference parameter by one step as the output voltage of the regulation module continuously passes through the set of voltage reference points from high to low; obtaining a control parameter; if the control parameter reaches the expected target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and serving as the reference value of the output level of the control object module; otherwise, the above process is repeated.
As a preferred scheme, the control object module comprises an automatic level control circuit, a signal input end and a signal output end, the detection control module comprises a control circuit, and the adjusting module comprises a potentiometer;
the input end of the control circuit is connected with the signal output end, the detection end of the control circuit is connected with the output end of the potentiometer, and the output end of the control circuit is connected with the control end of the automatic level control circuit; the input end of the automatic level control circuit is connected with the signal input end, and the output end of the automatic level control circuit is connected with the signal output end.
Preferably, the control circuit comprises a control unit, a power detection unit and a controller;
the input end of the power detection unit is connected with the input end of the control circuit, and the output end of the power detection unit is connected with the first input end of the controller; the first detection end of the controller is connected with the detection end of the control circuit; the output end of the controller is connected with the input end of the control unit, and the output end of the control unit is connected with the output end of the control circuit.
Preferably, an analog-to-digital converter and a memory for storing the reference parameter are arranged in the controller, a first input end of the controller is connected with an output end of the power detection unit through the analog-to-digital converter, and a first detection end of the controller is connected with a detection end of the control circuit through the analog-to-digital converter.
As a preferred scheme, the automatic level control circuit comprises a first amplifying unit, a second amplifying unit, a third amplifying unit, an attenuating unit, a filtering unit and a power amplifying unit;
the input of first amplification unit is connected automatic level control circuit's input, the output of first amplification unit with the input of decay unit is connected, the control end of decay unit with automatic level control circuit's control end is connected, the output of decay unit with the input of second amplification unit is connected, the output of second amplification unit with the input of filter unit is connected, the output of filter unit with the input of third amplification unit is connected, the output of third amplification unit with the input of power amplifier unit is connected, the output of power amplifier unit with automatic level control circuit's output is connected.
The invention provides a reference adjusting method and a device, wherein the reference adjusting method activates a reference voltage adjusting program when the output voltage of the adjusting device is detected to generate sudden change and continuously pass through a preset voltage reference point set: when the output voltage of the regulating device is detected to continuously pass through the voltage reference point set from low to high, a step is added to a preset reference parameter; or when the output voltage of the regulating device is detected to continuously pass through the voltage reference point set from high to low, reducing the reference parameter by one step so as to obtain the control parameter, and if the control parameter reaches an expected target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and serving as the reference value of the output level of the control object; otherwise, repeating the above process, the reference adjusting method and apparatus provided by the present invention can control the reference value of the output level of the controlled object according to the variation of the output voltage of the adjusting apparatus, so that when the adjusting apparatus is affected by the power supply voltage or the temperature, the output voltage of the adjusting apparatus cannot be suddenly changed and continuously passes through the preset voltage reference point set, and thus the reference voltage adjusting program cannot be activated, and the reference value of the output level of the controlled object cannot be changed, therefore when the automatic level control circuit adopts the reference adjusting method, the problem that the reference value of the output level of the automatic level control circuit is changed due to the interference of other factors on the output voltage of the adjusting apparatus, which results in poor effect of automatic level control can be effectively avoided, the precision of automatic level control is improved, and the anti-interference capability is improved, so that the stability and the reliability of the product are ensured. The reference adjusting method can be used for adjusting the reference value in the fields of electronic communication, industrial control and the like.
Drawings
FIG. 1 is a schematic flow chart of a method of reference adjustment in an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of one embodiment of a reference adjustment apparatus in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of another embodiment of the reference adjusting apparatus in the embodiment of the present invention.
Wherein, 1, adjusting the module; 2. a control object module; 3. a detection control module;
11. a potentiometer; 21. an automatic level control circuit; 211. a first amplifying unit; 212. an attenuation unit; 213. A second amplifying unit; 214. a filtering unit; 215. a third amplification unit; 216. a power amplifier unit; 22. a signal input terminal; 23. a signal output terminal; 31. a control circuit; 311. a control unit; 312. a power detection unit; 313. a controller; 314. an analog-to-digital converter; 315. a memory.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
As shown in fig. 1, a reference adjusting method according to a preferred embodiment of the present invention includes the steps of:
s1, detecting the output voltage of the adjusting device in real time;
s2, when the output voltage of the regulating device changes abruptly and continuously passes through a preset voltage reference point set, activating a reference voltage regulating program: when the output voltage of the regulating device continuously passes through the voltage reference point set from low to high, a step is added to a preset reference parameter; or decreasing the reference parameter by one step as the output voltage of the regulating device continuously passes through the set of voltage reference points from high to low; obtaining a control parameter;
s3, if the control parameter reaches the desired target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and as the reference value of the output level of the control object; otherwise, repeating the previous step.
Specifically, in step S2, the reference parameter and the step are set according to the control target, and the voltage reference point set is set to be U ═ epsilon1，ε2，……，εnIn which e1＜ε2＜……＜εnN is the total number of all voltage reference points; when detecting that the output voltage of the regulating device suddenly changes and continuously passes through a preset voltage reference point set, activating the reference voltage regulating program, specifically:
when the output voltage of the regulating device is detected to continuously and sequentially pass through a voltage reference point epsilon1，ε2，……，εnThen:
anew＝aold+γ
when the output voltage of the regulating device is detected to continuously and sequentially pass through a voltage reference point epsilonn，……，ε2，ε1Then:
anew＝aold-γ。
wherein, anewFor the control parameter, aoldGamma is the step for the baseline parameter; and obtaining the control parameter.
In step S3, the obtained control parameter is compared with the target parameter: if the control parameter reaches the expected target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and serving as a reference value of the output level of the control object; otherwise, continuously judging whether to execute the reference voltage regulating program again according to the output voltage of the regulating device: when it is detected again that the output voltage of the regulating device passes the voltage reference point epsilon continuously and in sequence1，ε2，……，εnWhen the reference parameter updated in the previous step is increased by a step y, or when it is again detected that the output voltage of the regulating device passes successively and in sequence the voltage reference point epsilonn，……，ε2，ε1Decreasing the reference parameter updated in the previous step by a step γ to obtain a new control parameter, and repeating the above process until the control parameter is equal to the desired target parameter.
In the embodiment of the invention, the reference value of the output level of the controlled object is controlled by the reference adjusting method according to the variation of the output voltage of the adjusting device, so that when the adjusting device is affected by the power supply voltage, the temperature and other factors, the output voltage of the adjusting device cannot be suddenly changed and continuously passes through the preset voltage reference point set, the reference voltage adjusting program cannot be activated, and the reference value of the output level of the controlled object cannot be changed, therefore, when the automatic level control circuit adopts the reference adjusting method, the problem that the reference value of the output level of the automatic level control circuit is changed due to the interference of other factors can be effectively avoided, the effect of automatic level control is poor, and the precision of automatic level control is improved, and the anti-interference capability is improved, so that the stability and the reliability of the product are ensured.
As shown in fig. 2, to solve the same technical problem, the present invention further provides a reference adjusting apparatus, which is suitable for the above reference adjusting method, including:
the adjusting module 1 is used for receiving a control signal and outputting corresponding voltage according to the control signal;
a control object module 2 for outputting a stable level;
the detection control module 3 is used for detecting the output voltage of the adjusting module in real time, and activating a reference voltage adjusting program when the output voltage of the adjusting module changes suddenly and continuously passes through a preset voltage reference point set: when the output voltage of the adjusting module continuously passes through the voltage reference point set from low to high, a step is added to a preset reference parameter; or decreasing the reference parameter by one step as the output voltage of the regulation module continuously passes through the set of voltage reference points from high to low; obtaining a control parameter; if the control parameter reaches the desired target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and serving as the reference value of the output level of the control object module 2; otherwise, the above process is repeated.
In the embodiment of the present invention, the working process of the reference adjusting device is specifically represented as follows: the detection control module 3 is used for controlling the modules according to the control objects in advance2 setting the reference parameter, the step and the set of voltage reference points to U ═ epsilon1，ε2，……，εnIn which e1＜ε2＜……＜εnN is the total number of all voltage reference points, and the output voltage of the adjusting module is detected in real time; when the reference value of the output level of the controlled object module 2 needs to be adjusted, the adjusting module 1 is controlled to make the output voltage of the adjusting module suddenly change, and when the detection control module 3 detects that the output voltage of the adjusting module suddenly changes and continuously passes through a preset voltage reference point set, the reference voltage adjusting program is activated, specifically: when the detection control module 3 detects that the output voltage of the regulating module passes through the voltage reference point epsilon continuously and sequentially1，ε2，……，εnThen:
anew＝aold+γ
when the detection control module 3 detects that the output voltage of the modulation module passes through the voltage reference point epsilon continuously and sequentiallyn，……，ε2，ε1Then:
anew＝aold-γ。
wherein, anewFor the control parameter, aoldGamma is the step for the baseline parameter; and obtaining the control parameter. Finally, the control parameters are compared with the target parameters through the detection control module 3: if the control parameter reaches the desired target parameter, the detection control module 3 replaces the reference parameter, stores the control parameter as the reference parameter and serves as a reference value of the output level of the control object module 2, and completes adjustment of the reference value of the output level of the control object module 2; otherwise, continuing to operate the adjusting module 1 to enable the output voltage of the adjusting module to generate sudden change and continuously pass through a preset voltage reference point set, repeatedly executing the reference voltage adjusting program until the control parameter is equal to the expected target parameter, and stopping operating the adjusting module 1.
In the embodiment of the present invention, the reference adjusting device controls the reference value of the output level of the controlled module 2 according to the variation of the output voltage of the adjusting module, so that when the adjusting module 1 is affected by the power supply voltage or the temperature, the output voltage of the adjusting module cannot be suddenly changed and continuously passes through the preset voltage reference point set, and thus the reference voltage adjusting program cannot be activated, and the reference value of the output level of the controlled module 2 cannot be changed, therefore when the automatic level control circuit adjusts by using the reference adjusting device, the problem that the reference value of the output level of the automatic level control circuit is changed due to the interference of other factors caused by the output voltage of the adjusting module, and the effect of the automatic level control is poor can be effectively avoided, and the precision of the automatic level control is improved, and the anti-interference capability of the reference adjusting device is improved, so that the stability and the reliability of the product are ensured.
Next, the structure of the reference adjusting device provided in the embodiment of the present invention is described in detail with reference to fig. 3.
In the embodiment of the present invention, the control object module 2 includes an automatic level control circuit 21, a signal input terminal 22 and a signal output terminal 23, the detection control module 3 includes a control circuit 31, and the adjustment module 1 includes a potentiometer 11; the input end of the control circuit 31 is connected with the signal output end 23, the detection end of the control circuit 31 is connected with the output end of the potentiometer 11, and the output end of the control circuit 31 is connected with the control end of the automatic level control circuit 21; the input end of the automatic level control circuit 21 is connected to the signal input end 22, and the output end of the automatic level control circuit 21 is connected to the signal output end 23.
Specifically, the control circuit 31 includes a control unit 311, a power detection unit 312, and a controller 313; an input end of the power detection unit 311 is connected to an input end of the control circuit 31, and an output end of the power detection unit 312 is connected to a first input end of the controller 313; a first detection end of the controller 313 is connected with a detection end of the control circuit 31; the output end of the controller 313 is connected to the input end of the control unit 311, and the output end of the control unit 311 is connected to the output end of the control circuit 31. By connecting the first sensing terminal of the controller 313 to the sensing terminal of the control circuit 31, so that the first detection terminal of the controller 313 is connected to the output terminal of the potentiometer 11, thereby realizing that the controller 313 detects the output voltage of the potentiometer in real time, judges whether to activate the reference voltage regulation program, while connecting the output of the controller 313 to the input of the control unit 311, and by connecting the output of the control unit 311 to the output of the control circuit 31, so that the output terminal of the control unit 311 is connected to the control terminal of the automatic level control circuit 21, it is thereby achieved that the controller 313 is able to control the reference value of the output level of the automatic level control circuit 21 in accordance with the amount of change in the output voltage of the potentiometer after activation of the reference voltage adjustment procedure. Furthermore, the feedback of the output power information of the automatic level control circuit 21 to the controller 313 via the detection power unit 312 is achieved by connecting the input of the power detection unit 312 to the input of the control circuit 31 such that the input of the power detection unit 312 is connected to the signal output 23, while the output of the power detection unit 312 is connected to the first input of the controller 313.
In the embodiment of the present invention, an analog-to-digital converter 314 and a memory 315 for storing the reference parameter are disposed in the controller 313, a first input terminal of the controller 313 is connected to the output terminal of the power detection unit 312 through the analog-to-digital converter 314, and a first detection terminal of the controller 313 is connected to the detection terminal of the control circuit 31 through the analog-to-digital converter 314. The output voltage of the potentiometer detected by the controller 313 and the output power of the automatic level control circuit 21 detected by the power detection unit 312 are converted into digital signals by the analog-to-digital converter 314, so that the controller 313 performs corresponding processing on the feedback information.
In the embodiment of the present invention, it should be noted that the type of the controller 313 may be set according to an actual use situation, such as a single chip microcomputer, a chip, and the like, and in order to simplify the design and structure, the controller 313 in this embodiment is a single chip microcomputer.
In the embodiment of the present invention, after activating the reference voltage adjustment procedure, the controller 313 controls the reference value of the output level of the automatic level control circuit 21 according to the variation of the output voltage of the potentiometer, which is specifically represented as: setting the set of voltage reference points to U ═ ε by setting the step and the reference parameters by the controller 3131，ε2，……，εnIn which e1＜ε2＜……＜εnN is the total number of all voltage reference points and stores the reference parameter in the memory 315; when the controller 313 detects that the output voltage of the potentiometer passes through the voltage reference point epsilon continuously and sequentially1，ε2，……，εnWhen it is, then anew＝aold+ gamma; or when the controller 313 detects that the output voltage of the potentiometer passes through the voltage reference point epsilon continuously and sequentiallyn，……，ε2，ε1Then, the following steps are performed: a isnew＝aold- γ, wherein, anewFor the control parameter, aoldTaking gamma as the stepping to obtain the control parameter; the controller 313 compares the control parameter with the desired target parameter: if the control parameter reaches the desired target parameter, the controller 31 replaces the reference parameter, stores the control parameter as the reference parameter, and uses the control parameter as a reference value of the output level of the automatic level control circuit 21; otherwise, the controller 313 continues to determine whether to reactivate the reference voltage adjustment routine based on the output voltage of the potentiometer: when the output voltage of the potentiometer is detected again to continuously and sequentially pass through the voltage reference point epsilon1，ε2，……，εnWhen the reference parameter updated in the previous time is increased by a step gamma, or when the output voltage of the potentiometer is detected againSuccessively and successively pass through a voltage reference point epsilonn，……，ε2，ε1Then, the reference parameter updated in the previous time is decreased by a step γ to obtain a new control parameter, and the above process is repeated until the control parameter is equal to the desired target parameter.
In the embodiment of the present invention, the automatic level control circuit 21 includes a first amplifying unit 211, a second amplifying unit 213, a third amplifying unit 215, an attenuating unit 212, a filtering unit 214, and a power amplifying unit 216; the input of first amplification unit 211 is connected the input of automatic level control circuit 21, the output of first amplification unit 211 with the input of decay unit 212 is connected, the control end of decay unit 212 with the control end of automatic level control circuit 21 is connected, the output of decay unit 212 with the input of second amplification unit 213 is connected, the output of second amplification unit 213 with the input of filter unit 214 is connected, the output of filter unit 214 with the input of third amplification unit 215 is connected, the output of third amplification unit 215 with the input of power amplifier unit 216 is connected, the output of power amplifier unit 216 with the output of automatic level control circuit 21 is connected. The input end of the first amplifying unit 211 is connected to the input end of the automatic level control circuit 21, so that the input end of the first amplifying unit 211 is connected to the signal input end 22, and the output end of the power amplifying unit 216 is connected to the output end of the automatic level control circuit 21, so that the output end of the power amplifying unit 216 is connected to the signal output end 23, and therefore, a signal is input from the signal input end 22 and sequentially passes through the first amplifying unit 211, the attenuating unit 212, the second amplifying unit 213, the filtering unit 214, the third amplifying unit 215 and the power amplifying unit 216, and finally is output from the signal output end 23.
In the embodiment of the present invention, the working process of the automatic level control circuit 21 is specifically represented as follows: the power detection unit 312 detects the output power of the automatic level control circuit 21 in real time and feeds back the output power information to the controller 313, and the controller 313 converts the output power information into a digital signal through the analog-to-digital converter 314 and compares the digital signal with the reference value in the memory 315, so as to control the attenuation amount of the attenuation unit 212, and further stabilize the output level of the automatic level control circuit 21 within a certain range.
In summary, the present invention provides a method and an apparatus for adjusting a reference voltage, wherein the method activates a reference voltage adjusting program when detecting that an output voltage of the adjusting apparatus suddenly changes and continuously passes through a preset voltage reference point set: when the output voltage of the regulating device is detected to continuously pass through the voltage reference point set from low to high, a step is added to a preset reference parameter; or when the output voltage of the regulating device is detected to continuously pass through the voltage reference point set from high to low, the reference parameter is reduced by one step to obtain the control parameter, if the control parameter reaches an expected target parameter, the reference parameter is replaced, and the control parameter is stored as the reference parameter and is used as the reference value of the output level of the control object; otherwise, the above process is repeated, the reference value of the output level of the controlled object can be controlled by the reference adjusting method and device provided by the invention according to the variation of the output voltage of the adjusting device, therefore, when the adjusting device is influenced by the power supply voltage or the temperature, the output voltage of the adjusting device cannot be caused to generate sudden change and continuously pass through the preset voltage reference point set, so that the reference voltage adjusting program cannot be activated, and the reference value of the output level of the controlled object cannot be changed, therefore, when the automatic level control circuit adopts the reference adjusting method, the problem that the reference value of the output level of the automatic level control circuit is changed due to the interference of other factors on the output voltage of the adjusting device, the effect of automatic level control is poor can be effectively avoided, and the precision of automatic level control is improved, and the anti-interference capability is improved, and the stability and the reliability of the product are further ensured.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.
Claims (7)
1. A method of reference adjustment, comprising the steps of:
detecting the output voltage of the regulating device in real time;
when the output voltage of the regulating device changes suddenly and continuously passes through a preset voltage reference point set, activating a reference voltage regulating program: when the output voltage of the regulating device continuously passes through the voltage reference point set from low to high, a step is added to a preset reference parameter; obtaining a control parameter; specifically, when the output voltage of the regulating device passes through the voltage reference point epsilon continuously and sequentially1，ε2，……，εnThen: a isnew＝aold+ γ, wherein, anewFor the control parameter, aoldGamma is the step for the baseline parameter;
or decreasing the reference parameter by one step as the output voltage of the regulating device continuously passes through the set of voltage reference points from high to low; obtaining a control parameter; specifically, when the output voltage of the regulating device passes through the voltage reference point epsilon continuously and sequentiallyn，……，ε2，ε1Then: a isnew＝aold- γ, wherein, anewFor the control parameter, aoldGamma is the step for the baseline parameter;
if the control parameter reaches the expected target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and serving as the reference value of the output level of the control object; otherwise, repeating the previous step.
2. The reference adjustment method of claim 1, wherein the set of voltage reference points is U ═ epsilon1，ε2，……，εnIn which e1＜ε2＜……＜εnAnd n is the total number of all voltage reference points.
3. A reference adjustment device adapted for use in the reference adjustment method according to any one of claims 1-2, comprising:
the adjusting module is used for receiving a control signal and outputting corresponding voltage according to the control signal;
a control object module for outputting a stable level;
the detection control module is used for detecting the output voltage of the adjusting module in real time, and activating a reference voltage adjusting program when the output voltage of the adjusting module changes suddenly and continuously passes through a preset voltage reference point set: when the output voltage of the adjusting module continuously passes through the voltage reference point set from low to high, a step is added to a preset reference parameter; or decreasing the reference parameter by one step as the output voltage of the regulation module continuously passes through the set of voltage reference points from high to low; obtaining a control parameter; if the control parameter reaches the expected target parameter, replacing the reference parameter, and storing the control parameter as the reference parameter and serving as the reference value of the output level of the control object module; otherwise, the above process is repeated.
4. The reference adjustment apparatus according to claim 3, wherein the control object module includes an automatic level control circuit, a signal input terminal, and a signal output terminal, the detection control module includes a control circuit, and the adjustment module includes a potentiometer;
the input end of the control circuit is connected with the signal output end, the detection end of the control circuit is connected with the output end of the potentiometer, and the output end of the control circuit is connected with the control end of the automatic level control circuit; the input end of the automatic level control circuit is connected with the signal input end, and the output end of the automatic level control circuit is connected with the signal output end.
5. The reference adjustment device of claim 4, wherein the control circuit comprises a control unit, a power detection unit, and a controller;
the input end of the power detection unit is connected with the input end of the control circuit, the output end of the power detection unit is connected with the first input end of the controller, the first detection end of the controller is connected with the detection end of the control circuit, the output end of the controller is connected with the input end of the control unit, and the output end of the control unit is connected with the output end of the control circuit.
6. The reference regulator apparatus according to claim 5, wherein an analog-to-digital converter and a memory for storing the reference parameter are provided in the controller, the first input terminal of the controller is connected to the output terminal of the power detection unit through the analog-to-digital converter, and the first detection terminal of the controller is connected to the detection terminal of the control circuit through the analog-to-digital converter.
7. The reference adjusting apparatus of claim 4, wherein the automatic level control circuit includes a first amplifying unit, a second amplifying unit, a third amplifying unit, an attenuating unit, a filtering unit, and a power amplifying unit;
the input of first amplification unit is connected automatic level control circuit's input, the output of first amplification unit with the input of decay unit is connected, the control end of decay unit with automatic level control circuit's control end is connected, the output of decay unit with the input of second amplification unit is connected, the output of second amplification unit with the input of filter unit is connected, the output of filter unit with the input of third amplification unit is connected, the output of third amplification unit with the input of power amplifier unit is connected, the output of power amplifier unit with automatic level control circuit's output is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151385.XA CN108415496B (en) | 2018-02-13 | 2018-02-13 | Reference adjusting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810151385.XA CN108415496B (en) | 2018-02-13 | 2018-02-13 | Reference adjusting method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108415496A CN108415496A (en) | 2018-08-17 |
| CN108415496B true CN108415496B (en) | 2020-07-07 |
Family
ID=63128821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810151385.XA Active CN108415496B (en) | 2018-02-13 | 2018-02-13 | Reference adjusting method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108415496B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115328080B (en) * | 2022-07-27 | 2024-01-09 | 广州汽车集团股份有限公司 | Fault detection method, device, vehicle and storage medium |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091002U (en) * | 1991-05-15 | 1991-12-18 | 范家闩 | Adjustable low-power loss voltage stabilizer |
| JP4640948B2 (en) * | 2004-06-17 | 2011-03-02 | ローム株式会社 | Amplifier with ALC and electronic device using the same |
| CN201904765U (en) * | 2010-12-24 | 2011-07-20 | 北京北广科技股份有限公司 | Analog-to-digital double loop control ALC circuit |
| CN203502872U (en) * | 2013-10-22 | 2014-03-26 | 卢娟 | Adjuster with adjustable output voltages |
| CN105843316B (en) * | 2016-05-31 | 2017-10-24 | 上海华虹宏力半导体制造有限公司 | Charge pump reference voltage adjusts circuit |
-
2018
- 2018-02-13 CN CN201810151385.XA patent/CN108415496B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108415496A (en) | 2018-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0338907A (en) | Transmission output power controller | |
| CN203102140U (en) | Device capable of dynamically adjusting power | |
| CN108415496B (en) | Reference adjusting method and device | |
| US20220278618A1 (en) | Electronic cigarette chip with automatic closed-loop control for output voltage and working method thereof | |
| CN100481729C (en) | Method and device for increasing A/D converter signal noise ratio | |
| CN101295965B (en) | Digital automatic gain control circuit apparatus | |
| GB2547141A (en) | Regulator circuit, method and optical measurement system for measuring optical parameter | |
| JP7163321B2 (en) | FIELD DEVICES FOR INDUSTRIAL PROCESSES AND METHOD FOR CONTROLLING CHARGE POWER OF FIELD DEVICES | |
| CN102554478B (en) | Control device and control method for power of high-speed laser | |
| CN108476577B (en) | Demand response lighting control system and method | |
| CN110365243B (en) | Inverter voltage adjusting method and device, inverter and computer readable medium | |
| EP1219024B1 (en) | Amplifier | |
| CN110069031B (en) | High-temperature sensitive pressure sensing control system and method | |
| US20150381028A1 (en) | Method and circuit for reducing ripple of current output by current source | |
| US6737846B1 (en) | Method and voltage feedback circuitry for improving the performance of APFC converters | |
| CN113890344A (en) | Voltage stabilization control method, voltage stabilization system and voltage stabilization device | |
| CN109687699B (en) | Control method for real-time tracking output state soft adjustment of digital voltage current loop | |
| CN113655836A (en) | High-temperature self-adaptive electronic soft start device and method | |
| CN109936346B (en) | Microwave therapeutic machine control device with adjustable I/O port isolation power | |
| CN110808699B (en) | Method for realizing low excitation limit of excitation regulator | |
| CN215910831U (en) | Output power automatic regulating circuit | |
| CN216519920U (en) | Valve adjusting device based on PID variable parameters | |
| CN113110242B (en) | High-efficiency analog quantity signal output device | |
| CN220491226U (en) | Constant current output circuit and constant current output device | |
| CN220492968U (en) | PWM duty cycle automatic calibration circuit and system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |