Fault detection using microtremor data(HVSR-based

Central Battery Systems AC/AC Automatic T est System AT-S+ with STAR+ Technology – Components and optionsControle moduleA freely programmable control module withnon-volatile program memory and graphic displaymonitors and controls the test system. All func-tions such as mains/emergency light switchingof the devices and the emergency luminaires aretested automatically. Any faults that occur are sig-nalled immediately. An interface enables a centralmonitoring facility to be connected.In the event of a short circuit or open circuit incurrent loops, differential monitors immediatelypower on the system (maintained light) or put thesystem in readiness.• Non-volatile memory• Automatic luminaire search function• Individual luminaire monitoring• Automatic DLS/TLS search function• Selective manual reset/circuit• Selective emergency light/circuit• Password function• Final circuit fuse monitoring• Control module with multi-master mode M3Sealed keypad with 2 keys for:• Test (mains failure)• Function test start / cancel(Key DT without function)3 freely assignable function keys for:• System disable/enable• Manual reset• Cancel function test• Show fault list• Maintained light off/on• Power on complete safety lighting system(continuity lighting)• Mains failure simulation UV-A (emergencyoperation)7 control keysfor user-friendly navigationLED indicators for:• Ready• Electrical Source for Safety Services• FailureGraphic display:128 x 64 pixels, backlit, programadjustable contrast and brightness.Displays include:• Date/Time• Power source for safety services ready foroperation• Infeed of safety lighting from power source forsafety services• Power source for safety services faulty• Manual reset• Test mode• Delay-time on mains return (remaining time inmin.)• Luminaire failure with location label• UV-AV failure (location specification)• Failure/programming informationConnections• C onnection for disable switch:24V control loops for blocking the installationduring factory shutdowns with differential loopmonitoring for short-circuit and open circuitdetection. Differential monitoring: Short-circuitor open circuit result in readiness for operationof the system.• C onnection for phase monitor:24V current loop for requesting emergencylighting using differential loop monitoring forthe detection of short-circuit and open circuits.Differential monitoring: Short-circuit or opencircuit result in immediate power on (main-tained light) of the system.• C onnection for zero-potential signalcontacts and buzzers:Connection for zero-potential signal contacts, 24V 0.5 A:3 relays with common potential, 1 x switchingcontact each,One or several from 11 different messages canbe assigned to each zero-potential contact. Free-ly programmable, DIN VDE specification can becalled up at any time as a pre-setting.2 relays with common potential, 1 x open con-tact each with fixed assignment.• C onnection for analog inputs:4 of freely assignable 24 V analog inputs,switch function can be programmed negatedand non-negated, e.g. for start / cancel func-tion test, disable / enable system, manual re-set, maintained light on / off, power on safetylighting as continuity lighting.EATON - EMERGENCY LIGHTING CPS – Global Catalogue 2018 42710Central Battery Systems AC/ACAutomatic Test System AT-S+ with STAR+ T echnology – Components and optionsDisplay 128 x 64 pixel graphic display, program adjustable contrast Ilumination backlighting, program adjustable brightness Keypad sealed, with 6 function and 7 control keysReadoutInfeed of safety lighting from power source for safety services Power source for safety services ready for operation AC isolation fault External fan faultLuminaire failure with location label Manual resetDelay-time on mains returnUV-AV failure (location specification) Test mode Date/TimeFailure informationProgramming informationStatus– Ready– Electrical Source for Safety Services – FailurePotential-free signal contacts, buzzer3 freely configurable relays with common potential, 1 x switching contact each, 2 relays with fixed assignment and common potential, 1 x open contact each, 24 V 0.5 A; buzzer. Freely programmable, DIN VDE specification can be called up at any time as a pre-setting.Ordering detailsT ypeModelOrder No.Control module CU-S + with SD Plug-in module4 0071 360 371Default setting AT -S +DesignationRelay 1 C0/14/12Relay 2 C0/24/22Relay 3 C0/34/32Relay 4 C1/44Relay 5 C1/54BuzzerReady for operation XP e r m a n e n t l y c o n fi g u r e d f o r c o n t r o l o f a t e c h n i c a l c a b i n e t v e n t i l a t i o n . D e f a u l t s e t t i n g >40°C O N < 35°C O F F .Mains failure S3/S4X Mains failure DLS/3PH X Ext. source error X Circuit fault X Luminaire fault X Device fault XExt. source active XISO error XFunction test X (permanent-ly configured)Invert contactX10428 EATON - EMERGENCY LIGHTING CPS – Global Catalogue 2018。

Fault Detection Robot System HealthThe fault detection robot system health is a critical aspect of any automated system, as it ensures the proper functioning and performance of the robots in various operational environments. The health of the robot system is essential for maintaining productivity, efficiency, and safety in industrial, commercial, and even domestic settings. Therefore, it is crucial to address this problem and establish effective requirements to ensure the optimal performance and longevity of the fault detection robot system.One of the primary requirements for maintaining the health of the fault detection robot system is regular maintenance and monitoring. This involves conducting routine checks, inspections, and diagnostics to identify any potential faults, errors, or malfunctions in the system. By implementing a proactive maintenance schedule, the system can be kept in optimal condition, minimizing the risk of unexpected breakdowns or failures. Additionally, real-time monitoring of the system's performance and health can provide valuable insights into its overall functionality, allowing for timely interventions and adjustments as needed.Another important requirement is the implementation of robust fault detection and diagnostic capabilities within the robot system. This involves integrating advanced sensors, algorithms, and monitoring technologies to detect and analyze any deviations or anomalies in the system's behavior. By leveraging these capabilities, potential issues can be identified early on, allowing for prompt remedial actions to be taken. Furthermore, the system should be designed to provide detailed diagnostic information, enabling maintenance personnel to pinpoint the root cause of any faults and implement targeted solutions.Furthermore, the fault detection robot system should be designed with redundancy and fail-safe mechanisms to ensure continued operation in the event of a fault or failure. This involves incorporating backup systems, redundant components, and emergency protocols to mitigate the impact of any potential issues. By designing the system with built-in resilience, it can continue to function reliably even in challenging conditions, minimizing downtime and disruptions to operations.In addition to technical requirements, it is essential to establish clear protocols and procedures for addressing faults and maintaining the health of the robot system. This includes defining roles and responsibilities for maintenance personnel, establishing escalation paths for reporting and resolving issues, and documenting standard operating procedures for fault detection and system health management. By formalizing these processes, the organization can ensure a consistent and effective approach to maintaining the system's health.Moreover, ongoing training and skill development for maintenance personnel are crucial requirements for ensuring the health of the fault detection robot system. By equipping personnel with the knowledge, skills, and resources needed to effectively maintain and troubleshoot the system, the organization can enhance its overall reliability and performance. Training programs should cover not only technical aspects but also emphasize the importance of proactive maintenance, thorough diagnostics, and effective problem-solving techniques.Lastly, it is important to establish a culture of accountability and continuous improvement within the organization to maintain the health of the fault detection robot system. This involves fostering a mindset of ownership and responsibility among all stakeholders, encouraging open communication and collaboration, and promoting a proactive approach to identifying and addressing potential issues. By instilling a culture of continuous improvement, the organization can adapt to evolving challenges and technologies, ensuring the long-term health and effectiveness of the robot system.In conclusion, the fault detection robot system's health is a critical consideration for any organization that relies on automated systems. By implementing the aforementioned requirements, including regular maintenance and monitoring, robust fault detection capabilities, redundancy and fail-safe mechanisms, clear protocols and procedures, ongoing training and skill development, and a culture of accountability and continuous improvement, the organization can ensure the optimal performance and longevity of the fault detection robot system. Ultimately, prioritizing the health of the system will contribute to enhanced productivity, efficiency, and safety across various operational environments.。

专利名称：METHOD AND DEVICE FOR THEAUTOMATED ERROR DETECTION IN NON-DESTRUCTIVE MATERIAL TESTING发明人：GÜNZLER, Til, Florian申请号：EP2009000711申请日：20090204公开号：WO09/100835P1公开日：20090820专利内容由知识产权出版社提供摘要：The invention relates to a method for the automated error detection in non-destructive material testing, comprising the steps of carrying out imaging measurements (30) on a test part, carrying out a statistical analysis (31) for each pixel with respect to the intensity fluctuation thereof, determining (35) a graduated error probability p derived from the statistical analysis (31) that a pixel can be associated with a material defect, creating a differential image (34) by subtraction of a comparison image from the measured image, and image processing (36) of the differential image as a function of the determined graduated error probability p, in order to be able to provide information about the presence of material defects in the test part. The comparison image is created from the measured image data during the testing by using (33) an error correction filter. The statistical analysis (31) for each measured pixel with respect to the intensity fluctuation thereof is carried out during the testing.申请人：GÜNZLER, Til, Florian地址：Robert-Bosch-Strasse 3 50354 Hürth DE,Alstertwiete 15 20099 Hamburg DE国籍：DE,DE代理机构：VERWEYEN, Andreas 更多信息请下载全文后查看。

Hardware fault detection method（硬件故障检测方法）Hardware fault detection method for.Txt36 love is a ray of sunshine, let your mind even in the cold winter can feel the warmth of spring; love is a clear spring, let your emotions over the years even if the dust is still clear net. 1 hardware fault detection methodLet's take a look at the basic test methods for hardware failures. When the display does not appear in any image, you can use the following method to test the faulty components.First, prepare a workbench.Two. Unplug the motherboard from the chassis and pull all the components from the motherboard, leaving only the CPU and RAM., and then put the motherboard on the workbench.Three. Connect the regulated power supply to the main board.Four insert the graphics card into the AGP slot. Of course, if the PCI card is inserted into the PCI slot. When inserting, be sure to insert the gold plated part of the card completely into the slot.Five 、 connect the display power jack and connect the video card to the monitor.Six, open the display power, and then switch on the chassis power switch. Then contact the main board power switch with a metal bar.The main board power switch is connected to the chassis power switch, usually labeled "PWR SW" or "POWER SE"".Seven, if the BIOS version information on the screen, the screen without exception, CPU, RAM, graphics card, motherboard, power supply is normal. Usually, often prone to failure of components is "card", "board", "hard disk" in this order.Eight, and then connect the hard disk and soft area for testing. Then connect the CD-ROM detection, then the sound card. Modem and so on, a single connection for testing. If the picture does not appear, the component after the connection is out of order or compatible. Just handle the faulty part.Nine, the case of the chassisSometimes problems occur when you install the motherboard into the chassis, causing the boot to fail. Therefore, if you do not have any problems with the above component check, you can install the motherboard to the chassis for testing. If there are no errors in the test, the software problems such as CMOS, Setup errors, drivers, etc. are explained.Five. A simple way to detect computer problemsIf the "false fault" is ruled out, then there is a real fault! To test the appearance of the accessories, including opening the case, see that the interior parts of the host are not damaged by high voltage, or with visible scars, if any, the faulty components are clear. If not, try the following method.1. dust removalDust floating in the air is a big killer of computers, and after a period of time it may be too dusty for the key components of the motherboard, even in the private room. So, for a long time using the computer, should first clean with the brush gently brush the dust on the motherboard, peripherals. If the dust has been cleared or dust free, the fault still exists, indicating that there are other problems with the hardware.In addition, due to some cards or chips on the board using pin form, vibration, dust and other reasons often lead to pin oxidation, poor contact. Eraser can be used to wipe the surface oxide layer, re plug after the boot, check whether the failure to rule out.Casually said, the keyboard will often leak, the key card and other failures, this fault should be promptly handled, otherwise the input file will enter some of the wrong characters. Treatment should be put up with a keyboard, button down cover open bracket, a keyboard, a contact alcohol cleaning circuit board and button, and the button below stuck shrapnel appropriate lever, so as to restore the original elasticity.Note: floppy or scratched floppy disks that are used in floppy disks will scratch the read and write head and damage the floppy drive when they are inserted into the floppy drive. The cleaning head must be very cautious, not a long time drive, may to the head will be corroded, when not using the cleaning plate, the specific approach is to open the case of cleaning agent drops in the head, soak for half an hour after the use of fat cottonand carefully wipe clean. If you use the cleaning disk blindly, it will cause the damage of floppy disk read-write head and make the floppy drive useless.2. see, hear, smell, touch"See" the plug and socket observation system board is skew, resistor, capacitor pin is touching, whether there are signs of burning surface, whether the crack surface of the chip on the motherboard, the copper foil is blown. Of course, needless to say you know to check whether the foreign body into the motherboard components (which will cause a short circuit), can also take a look at the board have burnt discoloration, walk the line on the printed circuit board (copper) whether fracture etc..Listen to listen to the power supply fan, soft / hard disk motor or track mechanism, display, transformer and other equipment work sound is normal. In addition, when the system short circuit fault is often accompanied by abnormal sound, monitoring can detect some hidden dangers in time and take immediate measures before the accident occurs."Smell", that is, smell the host, board, whether there is burning smell, easy to find fault and determine the location of the short circuit."Touch" is pressed by hand and the movable chip, chip is loose or poor contact. In addition, in the operation of the system equipment by touching or near CPU, display, hard disk shell according to its temperature can determine whether the normaloperation of equipment; touch the surface of some chips by hand, if hot, for the chip damage.Authors: Zouping gov2008-6-13 09:10 replies to this statement--------------------------------------------------------------------------------2 hardware fault detection method3. plug detectionAs mentioned earlier, there are many reasons for the computer failure, such as the motherboard's own failures, I/O bus faults and various card faults, which can cause the system to run abnormally. The plug repair method is to determine the fault occurred in the simple method of the motherboard or I/O devices. The method is to shut down after the board by block pull out, pull out a piece of board of each observation on the boot machine running, once pulled out a piece of board after normal operation, then the cause of the malfunction is the plug-in board fault or the corresponding I/O bus slot and a load circuit fault. If the system startup is still out of order after pulling out all the plug-in boards, the fault is likely to be on the motherboard.Plug detection, but also from another computer trouble shooting: some chip, board and slot is bad, the chip card, pull out right after the re insertion can solve the microcomputer fault caused by improper installation of contact.4. exchange detectionThe plug-in board or the same type of chip can be exchanged with the same type of plug-in board, the same bus mode and the same function, and the fault can also be judged according to the change of the fault phenomenon. This method is easy to swap for the maintenance of the environment, such as memory self-test error, can exchange the same memory chips or memory to determine the fault location, fault free exchange between the chip, fault phenomenon remains the same, if the exchange after the fault phenomena and that the exchange has a bad chip, further through one by one. Exchange and determine the site. If you can find the same type of microcomputer components or peripherals, the use of exchange method can quickly determine whether the component itself quality problems.5. comparison detectionOperating two or more computers of the same or different type, according to the normal computer and the failure of the microcomputer in the implementation of the same operation of the different performance, you can initially determine the location of the fault.6. vibration knock detectionA chassis shell gently with your fingers, if troubleshooting, the fault is caused by bad contact or weld. After that, the location of the fault can be further checked out, but it is difficult to detect the exact location of such faults.7. temperature and temperature detectionPeople can raise the temperature of the running environment of the microcomputer, and can test the high temperature resistance of each component, especially the CPU, so as to detect the hidden trouble of the accident early. After reducing the temperature of the operating environment, if the failure rate is greatly reduced, indicating that the fault is in high temperature or high temperature resistant parts, this can help reduce the scope of fault diagnosis.In fact, heating and cooling method is the use of a fault trigger principle, to create the conditions for failure to make frequent failure to observe and judge the fault location, but the specific implementation should pay attention to control the heating method, the temperature is not more than 40 degrees celsius.8. running test programWith the wide application of various integrated circuit, the welding process becomes more complex, relying on the general maintenance method is often difficult to find a fault, and through special random diagnostic procedures, maintenance cards and according to the various technical parameters (such as the interface address), self specific diagnostic procedures to assist detection, can often have a multiplier effect. The principle of program testing is to send data and commands by software, and read the status of the line and the status of a chip (such as registers) to identify the fault location. This method is often used to check the fault interface circuits andhas the address parameters of various circuit, but the application premise is the basic operation of CPU and bus can run normally, the diagnostic software can run the installation in the I/O bus slot on the diagnosis card.When selecting, diagnostic procedures should be rigorous, comprehensive, and targeted, allowing regular signals to occur at certain critical locations,Able to perform repeated tests on accidental failures and display error records.Six. How to diagnose computer failure?Many beginners just touch the computer, there is a sense of fear that the computer's failure must be insurmountable big problem. In fact, most computer failures have a certain rule to follow, this problem is like a layer of window paper, a poke on the break, you do not need to have too much knowledge of the computer. Now let's learn some quick ways to diagnose computer problems.Environmental Inspection ActFor some unexpected hardware failures, such as no display on the phone. Let's not go into depth first, because we tend to overlook some of the details. First of all, we should look at the obvious: if we have the power on? Has the switch been turned on? Is the power socket energized? Are all the connections connected? Perhaps the root of the problem lies in it.CMOS reduction methodSome users tend to change some of the settings in the motherboard CMOS because of curiosity, which is a major reason for the failure. If the computer fails, then we can fix the problem by restoring the CMOS settings. The method is very simple, boot and press "Delete" key on the keyboard to enter the CMOS, select the "Load Optimized Defaults" (the default load), according to the "Y" button to confirm, save and exit CMOS.Authors: Zouping gov2008-6-13 09:10 replies to this statement--------------------------------------------------------------------------------3 hardware fault detection methodRegistry recovery methodSome users love by modifying the registry to personalize the optimization of the system settings or, some users in the Internet browsing by malicious program changes to the registry, some fault is caused because of abnormal changes to the registry. Then we can restart the computer, and switch to the MS-DOS mode, enter and execute "scanreg/restore" into the registry restore interface in the C root directory, and then select a computer intact registry file "Restore (reduction), can be realized on the recovery of the registry.Simplified startup methodThe fault is in our part of the computer to install some software, if the computer can also enter the operating system, so we can in the start menu, run the "msconfig" program, close all programs except "internat.exe, Scanregistry, Systemtray" start menu. After restarting the computer, if the fault no longer occurs, the problem is mostly caused by a software that has been started by itself.Logged tracking methodIf the computer has been unable to enter into a Windows or enter is not normal, so we can use Logged(\\\\\\\\\\\\\\\\Bootlog.txt) way to start the computer, so that the generated Bootlog.txt files can record the failure location. Using the method of Logged mode is activated, press the F8 key on the keyboard when the system starts, will appear in the start menu, select start in Logged, the fault appears, the startup disk to restart your computer with Windows, and then copy the C root directory of the Bootlog.txt file to the floppy disk, open the file on other computers. And you will find the above records the whole process of starting the Windows, from which we can find the root of problems.Equipment replacement methodThe equipment is replaced, when you doubt what equipment when there is a problem, with the same function (the best is the same type of equipment) to replace it, if the replacement problem disappeared, so most of the equipment was a problem.Minimum system methodIf you are not sure which hardware is the problem, you can use the minimum system approach to judge. Minimum system method is to remove other hardware devices in the system, only to retain the motherboard, memory, graphics card three basic components, and then boot to see if there is a fault. If available, other hardware problems can be eliminated, and the fault should come from the existing three hardware. If not, then add other hardware one by one, to see which hardware has been added to the fault, and find the fault, and then deal with the hardware.Program update methodA lot of people don't pay enough attention to drivers. They think it's OK to just install one. But when we buy hardware, we already have drivers, so why do hardware vendors keep releasing new versions of drivers? In fact,The purpose of this is to allow manufacturers to improve their own products.Because now the hardware update speed is very fast, but most manufacturers of hardware and hardware development before the software development, hardware driver and so there may be some small Bug in the just released, need to constantly update the driver to make up for these deficiencies. Therefore, upgrading the driver is also an effective way to solve the hardware problem.Software testing methodDiagnosing hardware failures usually requires some kind of hardware information, but many people do not have the habit of recording or knowing how to record hardware information. Computer failure, may not be able to enter the system, then we would need a hardware test under DOS tools, such as HwInfo for DOS, it is only the size of 582KB on the floppy disk can carry with it can at any time the hardware fault diagnosis.Change of resources lawMany computer failures are caused by resource conflicts between hardware, so we can solve the problem by changing the resource. Right-click "my computer" and select "properties" item in the drop-down menu, click the "device manager", select "view according to the type of equipment, if found in the list of equipment by the yellow exclamation mark, then it may be a conflict between hardware resources. Methods change the resources is marked with the exclamation point with the left mouse button double-click the hardware, select "resources", the removal of the "use automatic settings" before the tick, select "change settings", the conflict of resources changes。

Product data sheetCharacteristicsLT3SM00MWPTC probe relay TeSys - LT3 with manual reset -24...230 V - 2 OCMainRange of product LT3Device short name LT3SMProduct or component type Thermistor protection units [Uc] control circuit voltage 24...230 V AC 50/60 Hz 24...230 V DC ResetManualComplementaryControl circuit voltage limits 0.85...1.1 Uc Contacts type and composition 2 C/O multi voltage [Ith] conventional free air thermal current5 A for output control relay [Ui] rated insulation voltage Output control relay: 500 V AC[Ue] rated operational voltage 250 V AC 50/60 Hz for output control relay Signalling function Fault indication Voltage indication Control typeManual reset Manual testProbe interchangeability Label mark A conforming to IEC 60034-11Hold-in power consumption in W 1 W Hold-in power consumption in VA 2.5 VAResistance 1500...1650 Ohm reset 2700...3100 Ohm tripping Number of probes 0 (6)Input voltage< 2.5 V (1500 Ohm) for probe< 7.5 V (4000 Ohm) for probe conforming to IEC 60034-11Maximum short circuit detection resistance 20 OhmCondition of useConnection of probes 1000 m >2.5 mm²Connection of probes 500 m >1.5 mm²[Uimp] rated impulse withstand voltage 2.5 kVRated power in VA 100 VA at 220 V - electrical durability: 500000 cycles Breaking capacity2 A at 24 V DC DC-133 A at 250 V AC AC-16i s c l a i m e r : T h i s d o c u m e n t a t i o n i s n o t i n t e n d e d a s a s u b s t i t u t e f o r a n d i s n o t t o b e u s e d f o r d e t e r m i n i n g s u i t a b i l i t y o r r e l i a b i l i t y o f t h e s e p r o d u c t s f o r s p e c i f i c u s e r a p p l i c a t i o n s6 A at 120 V AC AC-16Connections - terminals Power circuit: cage type connector 1 cable(s) 0.75…2.5 mm²flexible with cable endPower circuit: cage type connector 1 cable(s) 0.75…2.5 mm²solid with cable endPower circuit: cage type connector 1 cable(s) 1…2.5 mm²flexible without cable endPower circuit: cage type connector 1 cable(s) 1…2.5 mm²solid without cable endPower circuit: cage type connector 2 cable(s) 0.75…2.5 mm²flexible with cable endPower circuit: cage type connector 2 cable(s) 0.75…2.5 mm²solid with cable endPower circuit: cage type connector 2 cable(s) 1…2.5 mm²flexible without cable endPower circuit: cage type connector 2 cable(s) 1…2.5 mm²solid without cable endTightening torque0.8 N.mHeight100 mmWidth22.5 mmDepth100 mmNet weight0.22 kgEnvironmentStandards IEC 60947-8IEC 60034-11VDE 0660IP degree of protection IP20 conforming to IEC 60529IP20 conforming to VDE 0106Ambient air temperature for operation-25…60 °CAmbient air temperature for storage-40…85 °C conforming to IEC 60068-2-2-40…85 °C conforming to IEC 60068-2-2Operating altitude<= 1500 m without derating in temperature> 1500...3000 m with derating in temperatureVibration resistance 1 gn 25...150 Hz conforming to IEC 60068-2-62.5 gn 2...25 Hz conforming to IEC 60068-2-6Shock resistance 5 gn 11 ms conforming to IEC 60068-2-27Electromagnetic compatibility Resistance to electrostatic discharge level 3 conforming to IEC 61000-4-2Resistance to fast transient level 3 conforming to IEC 61000-4-4Surge resistance 1.2/50-8/20 level 4 conforming to IEC 61000-4-5Susceptibility to electromagnetic fields level 3 conforming to IEC 61000-4-3Immunity to microbreaks and voltage drops conforming to IEC 61000-4-11Packing UnitsUnit Type of Package 1PCENumber of Units in Package 11Package 1 Weight154 gPackage 1 Height 2.6 cmPackage 1 width10.3 cmPackage 1 Length10.3 cmUnit Type of Package 2S02Number of Units in Package 236Package 2 Weight 5.999 kgPackage 2 Height15 cmPackage 2 width30 cmPackage 2 Length40 cmOffer SustainabilityEU RoHS Directive CompliantEU RoHS DeclarationMercury free YesRoHS exemption information YesChina RoHS Regulation China RoHS declarationProduct out of China RoHS scope. Substance declaration for your informationWEEE The product must be disposed on European Union markets following specific waste collection andnever end up in rubbish binsContractual warrantyWarranty18 months。

Fault Diagnosis Based on Knowledge for Smart Sen-sors in FieldbusYu Lianzhi1,2　Liang Weichong2　Yan Guo zheng31(Univ er sity of Shanghai f or S cience and T echnology,Shanghai　200093,China)2(Shanghai P u j iang Cable L imited Com p any,Shanghai　200022,China) 3(Electr onic and I n f ormation I nstitute820,S hanghai J iaotong U niv er sity,Shanghai　200030,China)Abstract　Smart sensors are basic unit s in t he f ieldbus cont rol syst em,and their performances are most impor-tant for the whole cont rol system.According t o the smart sensor work t heory in f ieldbus,t he fault diagnosis met hod based on knowledge is adopt ed for smart sensors in fieldbus,and t he fault diagnosis model is described. Key words　Fieldbus　Smart sensors　F ault diagnosis现场总线基于知识的智能传感器故障诊断于莲芝1,2　梁卫冲2　颜国正31(上海理工大学光电学院　上海　200093)2(上海浦江缆索有限公司　上海　200022)3(上海交通大学电子信息学院820研究所　上海　200030)摘要　智能传感器是现场总线控制系统中最基本的结构单元,智能传感器的正常工作对整个控制系统至关重要。