CN113641165A - Anti-interference test system and method for rear cover controller - Google Patents
Anti-interference test system and method for rear cover controller Download PDFInfo
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- CN113641165A CN113641165A CN202110925603.2A CN202110925603A CN113641165A CN 113641165 A CN113641165 A CN 113641165A CN 202110925603 A CN202110925603 A CN 202110925603A CN 113641165 A CN113641165 A CN 113641165A
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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
- G05B23/00—Testing or monitoring of control systems or parts thereof
- G05B23/02—Electric testing or monitoring
- G05B23/0205—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults
- G05B23/0218—Electric testing or monitoring by means of a monitoring system capable of detecting and responding to faults characterised by the fault detection method dealing with either existing or incipient faults
- G05B23/0221—Preprocessing measurements, e.g. data collection rate adjustment; Standardization of measurements; Time series or signal analysis, e.g. frequency analysis or wavelets; Trustworthiness of measurements; Indexes therefor; Measurements using easily measured parameters to estimate parameters difficult to measure; Virtual sensor creation; De-noising; Sensor fusion; Unconventional preprocessing inherently present in specific fault detection methods like PCA-based methods
Abstract
The application relates to an anti-interference test system and method of a rear cover controller, wherein the anti-interference test system comprises a rear cover switch module which is used for being connected with the rear cover controller so as to control the rear cover to be opened and closed periodically; the cycle time is determined according to the travel time of the rear cover, and the travel time of the rear cover represents the time of the rear cover from the closed state to the fully open state; the electromagnetic field generating module is used for forming an electromagnetic field with preset intensity in a test environment where the whole vehicle is located when the rear cover is opened and closed periodically; and the monitoring module is used for recording the state of the rear cover in the electromagnetic field environment and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover. The anti-interference test system can test under the normal working condition that the rear cover controller is in simulation, can realize the anti-interference performance of electromagnetic radiation of the rear cover controller in dynamic test, and can improve the test efficiency and the judgment accuracy of a test result.
Description
Technical Field
The application relates to the technical field of electromagnetic compatibility, in particular to an anti-interference test system and method for a rear cover controller.
Background
In recent years, a great variety of electronic products are widely used in automobiles, and automobile electronic technologies are gradually developed. The application degree of electronic technology in automobiles has become an important sign for improving the technical level of automobiles, the proportion of various electronic and electric products in automobiles is increasing, and the trend is continuously developing. The application of a large amount of electronic devices leads to the variety of in-vehicle controllers to be gradually enriched, for example, the opening modes of the trunks of vehicles of different brands are increasingly diversified, and the trunk opening modes commonly used by middle-high-end automobiles at present are as follows:
1) the remote control key is directly opened; some vehicle types of remote control keys have a trunk opening function, and a trunk can be opened by directly pressing a button printed with a trunk pattern;
2) directly pressing an unlocking key to open; some vehicle types of remote control keys may not have a trunk opening button, namely a button printed with a trunk pattern, and the trunk can be opened by directly pressing an unlocking key for about three seconds;
3) the intelligent key is matched with a tail box switch to be opened; as long as the key is in a certain range of the vehicle (generally about one meter), the trunk can be directly opened by pressing a switch of the trunk;
4) opening intelligent induction; a kick sensing switch may be used to open the trunk in some high end vehicle models.
The trunk opening modes of the various types of different types are necessarily realized by the rear cover controllers of different types, however, the electromagnetic environment where the vehicle is located is more complicated due to the fact that the types of the controllers in the vehicle are enriched, and the normal work of the rear cover controllers is influenced by electromagnetic interference, so that the rear cover controllers cannot work normally. Therefore, in order to ensure that the trunk can be normally opened and closed when in use, the radiation immunity test of the rear cover controller is required before the whole vehicle is put into use.
At present, a test method for a rear cover controller mostly adopts the steps that a whole vehicle is placed in a semi-anechoic chamber environment, a trunk is locked, then field intensity is applied to the semi-anechoic chamber, and the anti-interference performance of the rear cover controller is judged by judging whether the trunk can be automatically opened or not.
Disclosure of Invention
The embodiment of the application provides an anti-interference test system and method for a rear cover controller, which can improve the test efficiency and the judgment accuracy of a test result.
In one aspect, an embodiment of the present application provides an anti-interference test system for a rear cover controller, including
The rear cover switch module is used for being connected with the rear cover controller so as to control the rear cover to be opened and closed periodically; the cycle time is determined according to the travel time of the rear cover, and the travel time of the rear cover represents the time of the rear cover from the closed state to the fully open state;
the electromagnetic field generating module is used for forming an electromagnetic field with preset intensity in a test environment where the whole vehicle is located when the rear cover is opened and closed periodically;
and the monitoring module is used for recording the state of the rear cover in the electromagnetic field environment and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover.
Optionally, the state of the rear cover includes abnormal opening and abnormal closing;
the monitoring module is also used for adjusting the electric field intensity value in the current electromagnetic field environment when the state of the rear cover is abnormal opening or abnormal closing;
the electromagnetic field generation module is also used for forming an electromagnetic field corresponding to the adjusted electric field intensity value in a test environment where the whole vehicle is located;
and the monitoring module is also used for recording the state of the rear cover again.
Optionally, the state of the rear cover further includes normal opening and normal closing; the immunity information includes immunity value;
and the monitoring module is also used for determining the electric field intensity value corresponding to the current electromagnetic field environment as the anti-interference capability value when the state of the rear cover is normally opened or closed.
Optionally, the rear cover switch module comprises a time delay relay;
the delay relay is connected with the rear cover controller;
the on-off time of the delay relay is more than or equal to the travel time of the rear cover.
Optionally, the rear cover switch module further comprises a shielding box, and the shielding box is used for placing the delay relay;
and/or;
the rear cover switch module further comprises a coaxial line, one end of the coaxial line is connected with the rear cover controller, and the other end of the coaxial line is connected with the time delay relay.
Optionally, the test environment of the whole vehicle is a semi-anechoic chamber;
the electromagnetic field generation module comprises a transmitting antenna, the transmitting antenna is positioned in the semi-anechoic chamber, and the transmitting antenna is used for transmitting the interference electric signals in the form of electromagnetic waves so as to form an electromagnetic field in the semi-anechoic chamber.
Optionally, the semi-anechoic chamber is provided with a rotating hub, and the rotating hub is used for placing the whole vehicle, the delay relay, the shielding box and the coaxial line.
In another aspect, an embodiment of the present application provides an anti-interference test method for a rear cover controller, including
The rear cover switch module is connected with the rear cover controller, and the rear cover is controlled by the rear cover switch module to be opened and closed periodically; the cycle time is determined according to the travel time of the rear cover, and the travel time of the rear cover represents the time of the rear cover from the closed state to the fully open state;
when the rear cover is opened and closed periodically, an electromagnetic field with preset intensity is formed in a test environment where the whole vehicle is located;
and recording the state of the rear cover in the electromagnetic field environment, and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover.
Optionally, the state of the rear cover includes abnormal opening and abnormal closing; the method further comprises the following steps:
when the state of the rear cover is abnormal opening or abnormal closing, adjusting the electric field intensity value in the current electromagnetic field environment;
and forming an electromagnetic field corresponding to the adjusted electric field intensity value in the test environment of the whole vehicle, and recording the state of the rear cover again.
Optionally, the state of the rear cover further includes normal opening and normal closing; the immunity information includes immunity value; the method further comprises the following steps:
and when the state of the rear cover is normally opened or closed, determining the electric field intensity value corresponding to the current electromagnetic field environment as the anti-interference capacity value.
The anti-interference test system and method for the rear cover controller provided by the embodiment of the application have the following beneficial effects:
the anti-interference test system comprises a rear cover switch module, a back cover controller and a back cover controller, wherein the rear cover switch module is connected with the rear cover controller to control the back cover to be opened and closed periodically; the cycle time is determined according to the travel time of the rear cover, and the travel time of the rear cover represents the time of the rear cover from the closed state to the fully open state; the electromagnetic field generating module is used for forming an electromagnetic field with preset intensity in a test environment where the whole vehicle is located when the rear cover is opened and closed periodically; and the monitoring module is used for recording the state of the rear cover in the electromagnetic field environment and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover. The anti-interference test system can test the rear cover controller under a simulated normal working condition, can realize dynamic test of the anti-interference performance of electromagnetic radiation of the rear cover controller, and can improve the test efficiency and the judgment accuracy of a test result.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an anti-interference test system of a rear cover controller according to an embodiment of the present application;
fig. 2 is a schematic diagram of a specific scenario of an anti-interference test system of a rear cover controller according to an embodiment of the present application;
fig. 3 is a schematic flowchart of an anti-interference test method for a rear cover controller according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or server that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The increasing variety of the controllers in the vehicle inevitably leads to more complex electromagnetic environment where the vehicle is located, and the radiation immunity test of the vehicle body controller based on the whole vehicle is very important.
For the automobile rear cover controller, because the opening and closing of the rear cover of the trunk is difficult to be directly controlled by hands in a semi-anechoic chamber, the rear cover controller cannot be in a normal working state, the rear cover is locked in the related technology, and then the anti-interference performance of the rear cover controller is judged by judging whether the rear cover can be automatically opened or not. This kind of operating mode is not the test of carrying out under back lid controller normal operating, and the radiation immunity performance of difficult comprehensive judgement controller, and efficiency of software testing is lower moreover, is difficult to judge the immunity ability of back lid controller and whether can be accepted.
In view of this, the embodiment of the application provides an anti-interference test system based on a rear cover controller of a whole vehicle, and aims to improve test efficiency and test result accuracy. Referring to fig. 1, fig. 1 is a schematic structural diagram of an anti-interference test system of a back cover controller according to an embodiment of the present application, where the anti-interference test system 10 includes:
a rear cover switch module 101, configured to connect to a rear cover controller to control the rear cover to open and close periodically; the cycle time is determined according to the travel time of the rear cover, and the travel time of the rear cover represents the time of the rear cover from the closed state to the fully open state;
the electromagnetic field generating module 102 is configured to form an electromagnetic field with a preset intensity in a test environment where the entire vehicle is located when the rear cover is periodically opened and closed;
and the monitoring module 103 is used for recording the state of the rear cover in the electromagnetic field environment and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover.
In the embodiment of the application, the whole vehicle is placed in a test environment and is connected with a rear cover controller through a rear cover switch module 101, so that the rear cover is periodically opened and closed; the cycle time is determined according to the travel time of the rear cover of a specific vehicle type, the travel time of the rear cover represents the time from the closed state to the fully opened state of the rear cover, and the rear cover is ensured to be capable of being in the closed state to the fully opened state within one cycle time, namely the cycle time is more than or equal to the travel time of the rear cover; when the rear cover is opened and closed periodically, an electromagnetic field with preset intensity is formed in a test environment where the whole vehicle is located through the electromagnetic field generating module 102 so as to simulate an electromagnetic interference environment; and finally, recording the state of the rear cover in the electromagnetic field environment through the monitoring module 103, and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover to complete the anti-interference test. Through the anti-interference test system of back lid controller that this application embodiment provided, can observe whether the back lid can normally work in the test procedure more directly perceived, and whether change judgement back lid controller and whether became invalid to and the electromagnetic field intensity who locates when becoming invalid, so, can greatly increased efficiency of software testing, can improve the accuracy of test result.
In an alternative embodiment, the test environment of the whole vehicle is a semi-anechoic chamber; as shown in fig. 2, the electromagnetic generation module 102 is disposed in a semi-anechoic chamber; specifically, the electromagnetic field generating module 102 includes a transmitting antenna, which is located in the anechoic chamber and is used to transmit the interference electric signal in the form of electromagnetic wave to form an electromagnetic field in the anechoic chamber.
Furthermore, a control room is arranged outside the semi-anechoic chamber, and the semi-anechoic chamber and the control room are mutually independent spaces; the test staff can observe the state of the rear cover in the semi-anechoic chamber through the monitoring equipment in the control chamber; the monitoring equipment comprises a camera arranged in a semi-anechoic chamber and a computer device arranged in a control chamber.
In an alternative embodiment, the state of the rear cover includes abnormal opening and abnormal closing; the abnormal opening characterization rear cover controller cannot complete a stroke from a closed state to a full opening state within a control cycle time in response to an opening signal of the rear cover switch module 101, and the abnormal closing characterization rear cover controller cannot complete a stroke from the full opening to the closed state within a control cycle time in response to a closing signal of the rear cover switch module 101;
the state of the rear cover also comprises normal opening and normal closing; the normal opening characterization rear cover controller can complete a stroke from a closed state to a full opening state in one control cycle time in response to an opening signal of the rear cover switch module 101, and the normal closing characterization rear cover controller can complete a stroke from the full opening to the closed state in one control cycle time in response to a closing signal of the rear cover switch module 101; the immunity information includes immunity value;
when the state of the rear cover is abnormal opening or abnormal closing, the monitoring module 103 is used for adjusting the electric field intensity value in the current electromagnetic field environment; here, the adjustment is specifically a lowering operation;
correspondingly, the electromagnetic field generating module 102 is further configured to form an electromagnetic field corresponding to the adjusted electric field intensity value in the test environment where the entire vehicle is located;
and the monitoring module 103 is also used for recording the state of the rear cover again.
Or, when the state of the rear cover is normally opened or normally closed, the monitoring module 103 is configured to determine an electric field strength value corresponding to the current electromagnetic field environment as an anti-interference capability value; here, the noise immunity value represents the maximum electromagnetic field strength value that the back cover controller can withstand under normal operating conditions.
Specifically, at the start of the immunity test, reference is made to the test standards provided by ISO 11451-22015, the parts of which are shown in the following table:
in a specific embodiment, different electric field strengths can be applied for multiple times under a specified frequency band, the electric field strengths can be sequentially applied from large to small, and the state of the rear cover under the preset electric field strength is observed; the state of the rear cover can be directly observed by human eyes, and can also be obtained by calculation of a preset program according to a rear cover image sequence continuously shot by a camera, and the method for judging the state of the rear cover is not limited; for example, when the noise immunity under the frequency band of 10-30M is tested, the strength of the applied electromagnetic field is 100V/M, at this time, if the state of the rear cover is abnormal opening or abnormal closing, the strength of the electromagnetic field is reduced to 75V/M, the state of the rear cover is confirmed again, if the state of the rear cover is still abnormal opening or abnormal closing, the electromagnetic field strength is further reduced to 50V/M, and if the state of the rear cover is confirmed to be normal opening or normal closing at this time, the noise immunity value of the rear cover controller is determined to be 50V/M (under 10-30 MHz).
In an alternative embodiment, as shown in fig. 2, the rear cover switch module 101 includes a time delay relay; the delay relay is connected with the rear cover controller; the switch-on period of the delay relay is more than or equal to the travel time of the rear cover; for example, when the travel time of the rear cover is 5s, the on period of the delay relay may be 7-10 s; thus, the rear cover can be ensured to be capable of completing the state from the closed state to the fully opened state within one cycle time.
In an optional embodiment, the rear cover switch module 101 further includes a shielding box, and the shielding box is used for placing the delay relay and ensuring that the delay relay can normally operate without electromagnetic interference.
In an optional embodiment, the rear cover switch module 101 further includes a coaxial line, one end of the coaxial line is connected to the rear cover controller, the other end of the coaxial line is connected to the delay relay, and the coaxial line is used for transmitting a signal output by the delay relay to the rear cover controller, so that the anti-interference performance of the test system can be enhanced; the length of the wire harness can be adjusted according to different vehicle types.
Furthermore, the delay relay adopts a vehicle-gauge product and has certain anti-interference capability; if the performance of the common delay relay cannot meet the requirement, the delay relay is placed in a control room, and then a vehicle-scale micro-relay is connected between a coaxial line in a semi-anechoic chamber and a rear cover controller to meet the testing requirement.
In an optional implementation mode, a rotating hub is further arranged in the semi-anechoic chamber and used for placing the whole vehicle, the delay relay, the shielding box and the coaxial line; the time delay relay, the shielding box and the coaxial line are arranged on the rotary table, can synchronously rotate along with the rotary hub and are kept static relative to the vehicle.
To sum up, the anti-interference test system of the rear cover controller provided by the embodiment of the application can test the rear cover controller under the simulated normal working condition, can realize the anti-interference performance of the electromagnetic radiation of the rear cover controller in dynamic test, and can improve the test efficiency and the judgment accuracy of the test result.
The following describes a specific embodiment of the interference rejection test method for a back cover controller according to the present application, and fig. 3 is a schematic flow chart of the interference rejection test method for a back cover controller according to the embodiment of the present application, and the present specification provides the method operation steps according to the embodiment or the flow chart, but more or less operation steps may be included based on conventional or non-inventive labor. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution. Specifically, as shown in fig. 3, the method may include:
s301: the rear cover switch module is connected with the rear cover controller, and the rear cover is controlled by the rear cover switch module to be opened and closed periodically; the cycle time is determined according to the travel time of the rear cover, and the travel time of the rear cover represents the time of the rear cover from the closed state to the fully open state;
s303: when the rear cover is opened and closed periodically, an electromagnetic field with preset intensity is formed in a test environment where the whole vehicle is located;
s305: and recording the state of the rear cover in the electromagnetic field environment, and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover.
In an alternative embodiment, the state of the rear cover includes abnormal opening and abnormal closing; the method further comprises the following steps:
s3051: when the state of the rear cover is abnormal opening or abnormal closing, adjusting the electric field intensity value in the current electromagnetic field environment;
s3052: and forming an electromagnetic field corresponding to the adjusted electric field intensity value in the test environment of the whole vehicle, and recording the state of the rear cover again.
In an alternative embodiment, the state of the rear cover further includes normal open and normal closed; the immunity information includes immunity value; the method further comprises the following steps:
s3053: and when the state of the rear cover is normally opened or closed, determining the electric field intensity value corresponding to the current electromagnetic field environment as the anti-interference capacity value.
The anti-interference test method for the rear cover controller provided by the embodiment of the application is based on the same application concept as the system embodiment, and can achieve the same effect. The rear cover is controlled by the rear cover switch module to be opened and closed periodically, normal working conditions of the rear cover are simulated, interference electromagnetism is applied to the rear cover controller which works normally, therefore, whether the rear cover can work normally or not can be observed more visually, and finally judged interference resistance results are more accurate and reliable.
It should be noted that: the sequence of the embodiments of the present application is only for description, and does not represent the advantages and disadvantages of the embodiments. And specific embodiments thereof have been described above. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (10)
1. An anti-interference test system of a rear cover controller is characterized by comprising
The rear cover switch module is used for being connected with the rear cover controller so as to control the rear cover to be opened and closed periodically; wherein the cycle time is determined from the travel time of the rear cover, the travel time of the rear cover characterizing the time elapsed for the rear cover to go from the closed state to the fully open state;
the electromagnetic field generating module is used for forming an electromagnetic field with preset intensity in a test environment where the whole vehicle is located when the rear cover is opened and closed periodically;
and the monitoring module is used for recording the state of the rear cover in an electromagnetic field environment and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover.
2. The tamper-resistant testing system of claim 1, wherein the state of the back cover includes abnormal opening and abnormal closing;
the monitoring module is further configured to adjust an electric field intensity value in a current electromagnetic field environment when the state of the rear cover is the abnormal opening or the abnormal closing;
the electromagnetic field generation module is also used for forming an electromagnetic field corresponding to the adjusted electric field intensity value in a test environment where the whole vehicle is located;
and the monitoring module is also used for recording the state of the rear cover again.
3. The tamper-resistant testing system of claim 2, wherein the state of the back cover further comprises normally open and normally closed; the immunity information comprises immunity value;
and the monitoring module is further used for determining the electric field strength value corresponding to the current electromagnetic field environment as the anti-interference capability value when the state of the rear cover is the normal opening or the normal closing.
4. The immunity testing system of claim 1, wherein the back cover switch module comprises a time delay relay;
the delay relay is connected with the rear cover controller;
and the on-off time of the delay relay is more than or equal to the travel time of the rear cover.
5. The immunity testing system of claim 4,
the rear cover switch module also comprises a shielding box, and the shielding box is used for placing the time delay relay;
and/or;
the rear cover switch module further comprises a coaxial line, one end of the coaxial line is connected with the rear cover controller, and the other end of the coaxial line is connected with the time delay relay.
6. The interference rejection test system according to any one of claim 5, wherein the test environment of the whole vehicle is a semi-anechoic chamber;
the electromagnetic field generation module comprises a transmitting antenna, the transmitting antenna is positioned in the semi-anechoic chamber and used for transmitting the interference electric signal in the form of electromagnetic wave so as to form an electromagnetic field in the semi-anechoic chamber.
7. The immunity testing system of claim 6, wherein said anechoic chamber is provided with a rotary hub for placing said entire vehicle, said delay relay, said shielding box and said coaxial line.
8. The anti-interference test method of the rear cover controller is characterized by comprising the following steps
The rear cover opening and closing module is connected with a rear cover controller, and the rear cover is controlled to be opened and closed periodically by the rear cover opening and closing module; wherein the cycle time is determined from the travel time of the rear cover, the travel time of the rear cover characterizing the time elapsed for the rear cover to go from the closed state to the fully open state;
when the rear cover is opened and closed periodically, an electromagnetic field with preset intensity is formed in a test environment where the whole vehicle is located;
and recording the state of the rear cover in an electromagnetic field environment, and determining the anti-interference capability information of the rear cover controller according to the state of the rear cover.
9. The tamper-proof test method of claim 8, wherein the state of the back cover includes an abnormal opening and an abnormal closing; the method further comprises the following steps:
when the state of the rear cover is the abnormal opening or the abnormal closing, adjusting the electric field intensity value in the current electromagnetic field environment;
and forming an electromagnetic field corresponding to the adjusted electric field intensity value in the test environment where the whole vehicle is located, and recording the state of the rear cover again.
10. The tamper-resistance testing method of claim 9, wherein the state of the back cover further comprises normally open and normally closed; the immunity information comprises immunity value; the method further comprises the following steps:
and when the state of the rear cover is the normal opening or the normal closing, determining the electric field strength value corresponding to the current electromagnetic field environment as the anti-interference capacity value.
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| RU2664122C1 (en) * | 2017-04-27 | 2018-08-15 | Публичное акционерное общество "АВТОВАЗ" (ПАО "АВТОВАЗ") | Method of the motor vehicle anti-locking system testing for susceptibility to the electromagnetic field |
| CN206790759U (en) * | 2017-05-05 | 2017-12-22 | 广州纽威光电科技有限公司 | Black appliances fill stabilizer |
| CN107238759A (en) * | 2017-07-06 | 2017-10-10 | 奇瑞汽车股份有限公司 | Electromagnetic immunity performance method of testing and device for PEPS system vehicle |
| CN110208615A (en) * | 2019-05-27 | 2019-09-06 | 中国汽车技术研究中心有限公司 | A kind of electromagnetic compatibility Bulk current injection anti-interference test method |
| CN213392719U (en) * | 2020-09-04 | 2021-06-08 | 广州通达汽车电气股份有限公司 | Electronic shielding water pump and vehicle |
| CN113066291A (en) * | 2021-03-19 | 2021-07-02 | 昆山宝创新能源科技有限公司 | Monitoring method and device |
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