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| ISO 11452 | |
|---|---|
| Title | ISO 11452 |
| Status | Published |
| Year | 2020 |
ISO 11452
ISO 11452 is an international series of technical tests for immunity of electrical and electronic components to radiated radio-frequency electromagnetic fields. The series provides standardized procedures used in the design, validation, and certification of automotive and industrial Volkswagen-era systems, supply chain components from Bosch and Continental AG, and modules used by manufacturers such as Toyota, Ford Motor Company, General Motors, Honda, and BMW. It interacts with regulatory frameworks and conformity assessment bodies including UNECE, CENELEC, SAE International, IEC, and ISO committees.
The ISO 11452 series specifies laboratory methods to assess the immunity of electrical and electronic assemblies to radiated electromagnetic fields under controlled conditions. Test houses, component manufacturers, and OEM laboratories such as those at Daimler, Stellantis, Nissan, Hyundai Motor Company, Renault, PSA Group, Mitsubishi Motors, Volvo Cars, Tata Motors, and Geely often adopt these methods alongside automotive EMC standards from CISPR, RTCA, MIL-STD-461, and ETSI. National metrology institutes like NIST, PTB, NPL, and LGC contribute measurement traceability and calibration services for equipment used in these tests.
ISO 11452 aims to define reproducible emission and immunity test methods for components such as electronic control units, sensors, actuators, and infotainment modules produced by firms like Panasonic, Harman International, Denso, Valeo, Magneti Marelli, Aptiv, and Lear Corporation. It supports compliance requirements from authorities and industry consortia, including FDA-related medical device guidance when automotive electronics are repurposed for health-monitoring systems, and interoperability expectations set by IEEE standards bodies. Research institutions such as Fraunhofer Society, CEA, TÜV SÜD, and VCA Technology apply ISO 11452 procedures in EMC research and certification.
The series is divided into parts covering different test geometries and excitation methods, used by laboratories working with suppliers like ARM Holdings, NXP Semiconductors, Infineon Technologies, Texas Instruments, STMicroelectronics, and Renesas Electronics. Typical parts address bulk current injection and stripline methods referenced by authorities such as FAA for airborne electronics and by space agencies like ESA and NASA for certain avionic assessments. Standards development groups at organizations including BSI, DIN, AFNOR, and UNI often mirror aspects of ISO 11452 in national documents.
Procedures employ apparatus such as TEM cells, GTEMs, and open-area test sites that are built or certified by companies and labs associated with Keysight Technologies, Rohde & Schwarz, Tektronix, Anritsu Corporation, and Agilent Technologies. Personnel conducting tests often hold accreditations from ISO/IEC 17025 bodies and work with calibration services provided by Fluke Corporation and standards laboratories including KRISS. Test setups commonly use harness fixtures, transient generators, and RF power amplifiers complying with specifications from IEEE 802.11 test suites and interoperability programs like those at Bluetooth SIG.
Measurements focus on field strength, frequency range, modulation, and susceptibility thresholds that affect functional performance of modules by suppliers such as Harman Kardon, Bose Corporation, Siemens, and Mitsubishi Electric. Performance criteria are aligned with safety and reliability targets upheld by regulators and stakeholders including Euro NCAP, IIHS, JAMA, and procurement standards from fleet operators like UPS and DHL. Metrology parameters trace to reference artifacts maintained by institutions such as CERN and traceability networks involving OLAE-style interlaboratory comparisons.
Beyond passenger vehicles from Mercedes-Benz and Aston Martin, ISO 11452 methods are applied to heavy equipment by Caterpillar, agricultural machinery from John Deere, rail systems by Siemens Mobility, and marine electronics used by Raytheon Technologies subsidiaries. Aerospace firms including Boeing and Airbus adopt analogous test philosophies for avionics; medical device manufacturers such as Medtronic and Philips Healthcare consult ISO 11452-derived techniques when assessing electromagnetic interactions with implanted and wearable systems. Telecommunications vendors like Ericsson and Nokia leverage these methods when evaluating radio-front-end immunity for vehicular communications.
Revisions and maintenance of the ISO 11452 series involve international working groups composed of experts from OEMs, suppliers, test houses, and national standards bodies including ISO/TC 22, IEC/TC 77, SAE Committee J1113, CEN, ETSI Technical Committee delegations, and representatives from research centers such as Fraunhofer FOKUS and TNO. Historical updates reflect technological shifts in wireless systems exemplified by LTE, 5G NR, and satellite services like Iridium and Starlink, prompting coordination with committees that govern electromagnetic compatibility, product safety, and vehicle-type approval in markets overseen by institutions such as European Commission and national ministries of transport.
Category:Electromagnetic compatibility standards