Functional Safety with Added Intelligence
The basic concept of functional safety has been in place for a long time. It opeRAtes on the principle of protecting users from harm or injury during the use of equipment or machinery. The scope of functional safety is wide and varied in industrial operations, domestic applications, autonomous transportation, and other related activities where machinery/devices are either operated individually or collectively. Electro-mechanical appliances such as household equipment, autonomous vehicles, air conditioning systems, gas heating boilers, fire monitoring systems, and other industrial systems (conveyors, etc.) all have aspects of their operation that could create potential hazards which could subsequently result in some sort of an injury or harm. The same can be said for electronically controlled and electro-mechanically operated functions in semi or fully automated solutions. Overall, functional safety is a measure of the confidence that a machine or system will immediately implement safety and operator protection measures when needed.
IEC 61508 provides proper insight into the functional safety standard for electrical, electronic, and electro-mechanical equipment. It has specific principles for the application of similar equipment for sector-specific use cases. Functional safety standards exist to provide the necessary regulations and compliance testing requirements for a wide variety of different equipment. Human operators and users are always protected from hazards associated with potential failure, unexpected equipment behavior, or equipment misuse.
With the increasing emphasis on industrial operational effectiveness improvement through initiatives such as Industry 4.0, smart factories, and the Industrial Internet of Things (IIoT), automated systems and machinery form a significant part of any industrial manufacturing process. Although these components have provided enough space for management in improving process optimization by reducing the cost involved, they have significantly increased the chances of failure at the unexpected level of operation throughout the process. Particularly, the automation is primarily led by the embedded solutions along with support software platforms, the chances of device-level malfunction can shut down or cut off the entire system or even conceivably the plant operation. In this case, following the functional safety measures not only safeguards workers from equipment hazards by using a formal and comprehensive approach by identifying and analyzing dangerous conditions that may occur and the consequences for operator safety, but it also reduces operation downtime.
Functional safety incorporates two fundamental concepts: safety functions and safety integrity levels. Within a safety function, all the parts, including the sensors, control system, and actuators, are collectively examined to determine the probability and frequency of failure. Whereas safety integrity levels define the degree of risk reduction required to reduce the risks involved to an acceptable level. A safety function involves any action or operation required to ensure the safe running of the equipment. This function typically involves some form of sensor/actuators, a control circuit, some electromechanical devices such as motors, etc., and a mechanism to maintain safety integrity. The unwanted events involved with these devices/systems can pose a serious threat. The actions performed at that instance define the primary safety function. However, the timing between these interrelated actions is crucial, particularly if separate controllers are used for the sensing and the control actions.
For almost a decade, RENESAS electronics has been an active member of several functional safety working groups and has strongly contributed to relevant functional safety standards. Renesas offers a one-stop functional safety solution with its composite wide range of MCUs and related software framework. The TUV-certified software kit offered by Renesas has reduced the time for constructing functional safety systems and the certification process on MCUs, irrespective of their domain-specific application.
Renesas MCUs, together with various sensors; from MEMS accelerometers, and environmental sensors, to several visualization devices, make up primary components of a control system. The internal HW features of the latest microcontrollers combined with necessary SW dramatically help simplify the development process to achieve functional safety compliance. The certified software and reference solution for most of Renesas MCUs, RA, and RX family of devices, have been designed to comply with IEC 61508 and include a certificate and safety manual. These software modules are certified under IEC61508 parts 1 to 7, as well as Part 3 of IEC 61508 which stipulates the use of formal software design architectures, validation, and testing as a core part of implementing functional safety.
With the increasing deployment of industrial automation machinery that operates alongside human co-workers, the need for functional safety is paramount and high computing SOCs along with the state-of-the-art computational techniques have shown a solid way to sort out the related issue. Adherence to the functional safety standards highlighted in this article is a critical success factor for industrial equipment manufacturers.
Adding Intelligence to Functional Safety:
The current evolution of machine learning/AI and higher performance computing hardware is driving highly efficient safety solutions - whether it’s preventing systematic failures or anticipating and mitigating future risk, integration of various artificial intelligence models is also a key consideration for the engineers when designing functional safety systems.
The flow diagram shown provides a brief overview of a possible industrial use case to achieve intelligent functional safety. During operation, identification of the fault at the right time with the right location and providing the right cause for the same plays a significant role. The artificial intelligence/machine-learned system delivers a good scope of coping with the above issue. Artificial intelligence enables and increases machine capabilities and makes the process sustainable for unfavorable circumstances. Here a field system associated with Renesas MCUs has state-of-the-art solutions for data collection and computational space for AI/ML algorithms framework to foresee and detect abnormal states and anomalies. The complete set of solutions starting from embedded to dedicated software architecture has the facility to provide alerts for asset/operation status and recommend corrective actions for the same. This will ultimately improve safety and reduce the respective downtime and related cost involved.
Flow diagram for AI/ML-enabled process/asset monitoring system
Industries are keen to make the process automated to avoid any possible system failure and related mishaps which usually lead to plant shutdown or injury to operators. Therefore, the incorporation of relevant machine learning models at the device level will enable the system/operator to take corrective measures in real-time. In turn, making Functional Safety, design processes offer the pathway to higher reliability, diagnostics, resilience, and redundancy.
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目录- 功率器件Power Mosfet&IPD MCU-F系列 MCU-D系列 MCU-Super系列 MCU-RH850族 MCU产品开发工具&开发环境 芯片封装
型号- NP82N055NUG,SUPERH,NP80N04NUG,ΜPD166033T1U,NP60N04VUK,NP45N06PUK,NP75N04YUK,RSF10BGC,RSF10BGD,NP75N04YUG,NP35N04YUG,RSF10BGE,RSF10BGF,R5S726A2P216FP,R5S726B0P216FP,R5F10DMJXFB,NP80N055NDG,R5S72670W144FP,R5F 10DLDXFB,R8C/3X,R5S72691W266FP,NP82N055MUG,RSF1OBME,R5F109LD,R5F109LC,R5F109LB,R5F109LA,RL78/,NP36P04SDG,R5F109LE,NP82N04MLG,NP82N06PLG,R5F72531DKFPU,NP52N06SLG,V850E2M,SH-2A,R5F72A06K3BFFM,NP160N055TUK,NP82N03PUG,R5S72680W266FP,NP82N055PUG,NP16N04YUG,NP100N04PDG,R5F72A06K2BFFM,NP40N10PDF,RL78/F13-CAN,NP160N04TDG,NP50P04SDG,RH850/P1M,NP55N04SUG,R5S726B1D216FP,V850,R5F10DPEXFB,NP82N04NLG,NP84N055NHE,R5S72690P266BG,NP80N055PDG,ΜPD166031AT1U,RSF10BLD,RSF10BLE,RSF10BLC,NP60N055NUK,RSF10BLF,RSF10BLG,R5F10DPEXFB,NP90N055NUK,R5F10BAG,NP20N10YDF,R5F10BAF,R5F10BAE,R5F10BAD,R5F10BAC,NP89N04PUK,R5F72A06K3CFFM,R5F72A28KADFFP,NP20P06YLG,RSF10BMF,R5F71476AK64FPV,RSF10BMG,R5F10BBG,R5F10BBF,R5F10BBE,R5F10BBD,R5F10BBC,NP75P04YLG,ΜPD166034T1U,RL78/F12,NP55N03SUG,NP60N03SUG,RL78/F13,RL78/F14,RL78/F15,R5S72680P266FP,R5F10AAA,R5F71424A K64FPV,R7F701271EAFP,R5F10DPFXFB,R5F72543RKBGV,R5F10AAE,R5F10AAD,NP35N04YLG,R5F10AAC,NP90N04VUG,R7F701534,R5S72690W266BG,R7F701531,R7F701530,ΜPD166026,ΜPD166025,ΜPD166024,R7F701528,ΜPD166023,R7F701529,R5F72544RKBGV,R7F701526,ΜPD166029,R7F701527,R5S72691P266BG,NP15P06SLG,ΜPD166028,ΜPD166027,R5F10ABA,R5F71476BD80FPV,NP90N04VUK,R5F10CMDXFB,ΜPD166035GR,R5F10ABE,R5F10ABD,QB-R5F109GE-TB,R5F10ABC,R7F701544,NP88N04NUG,R7F701545,R7F701542,R7F701543,R5S726A2D216FP,NP84N055NLE,NP89N055MUK,R5S726B0D216FP,R5F10DGDXFB,R5S72690P266FP,R5F72A26K2DFFP,R5F10TPJXFB,R5F10CMDXFB,R5S726A3D216FP,NP40N10YDF,NP89N04NUK,R7F701506,R7F701507,R5F10PAE,R5F10PAD,R7F701502,R7F701623,R5F10DGDXFB,R5F10CMEXFB,SH2A-FPU,NP109N055PUK,NP84N055MHE,RSF10BAE,RSF10BAF,RSF10BAC,RSF10BAD,R5F72AW2KFP,RSF10BAG,NP82N04MDG,NP82N06PDG,NP89N055NUK,R5F72A28KACFFP,R5F10PBE,NP88N055KUG,R5F10PBD,R5F10BGF,NP60N055MUK,R5F10BGE,R5F71424BJ80FPV,R5S72681W266FP,R5F10BGD,R5F10BGC,NP80N04PDG,RSF10BBC,NP90N06VLG,RH850/F1K-2M,RSF10BBF,RSF10BBG,RSF10BBE,R5F10BGG,R7F701610,R7F701611,NP系列,R5S726A1P216FP,78K,NP75N055YUK,NP89N04MUK,R5S72690W266FP,NP89N055PUK,NP55N055SDG,R5F10CLDXFB,NP20P04SLG,R5S72691P266FP,R5F113GL,R5F113GK,R7F701603,R5S726A1D216FP,R7F701602,NP110N04PDG,R5F10968,R5F1096E,R5F1096D,R5F1096C,R5F1096B,R5F1096A,NP82N04NDG,R7F701621,R7F701501,R7F701622,R7F701620,R5F10CLDXFB,R5F72533KFPU,R5S72691P266FP R5S72690W266BG,R5S72691W266BG,R7F701612,R7F701613,R5F10AGG,R5F10CMEXFB,QB-R5F10BMG-TB,R5F10AGF,R5F10AGE,R5F10AGD,R5F10AGC,NP52N055SUG,R5F10AGA,RL78/F13-LIN,NP60N055KUG,R5F72546RKBGV,R5F72AW3KFP,R5F10DMJXFB,R5F10DGCXFB,NP70N10KUF,R5F10TPJXFB,NP100N04MDH,NP50P06KDG,QB-R5F10PPJ-TB,NP75N04VUK,ΜPD166037T1J,ΜPD166036GR,R5F71426BD80FPV,NP15P04SLG,R5S726A0P216FP,C1X,NP84N055MLE,NP100P04PDG,NP80N055MDG,R5S726A0D216FP,NP88N04KUG,R5F10DGCXFB,SH72AX,NP80N04NDG,NP60N04VDK,RH850/F1H,R5F10DMDXFB,NP40N10VDF,RH850/F1L,R5F10PGH,R7F701016,R5F71426AK64FPV,R5F10PGG,R7F701017,NP60N04NUK,R5F10PGF,R7F701014,R5F10PGE,R7F701015,NP100P06PDG,R5F10PGD,R7F701012,R7F701013,R7F701010,R7F701011,R5F10BLC,NP34N055SLE,R7F701009,R5F10PGJ,R7F701007,R7F701008,RH850/F1M,R5F10CGCXFB,R5F10BLG,R5F10BLF,R5F10BLE,R5F10BLD,R7F701020,R5F113LK,NP110N03PUG,R7F701028,R7F701025,R7F701023,R7F701024,NP82N04PDG,R7F701021,R7F701022,NP90N04VLG,RH850/F1X,NP90N04VLK,R7F701018,R5F113LL,R7F701019,R5F10BMG,R5F10BMF,NP33N06YDG,NP80N04MDG,R5F10BME,ΜPD166038T1J,R5F71474AK64FPV,RX,R5F113ML,RSF10B8D,R5F113MK,R7F701597,NP50P03YDG,NP90N06VDK,QB-V850E2-EE,R5F10ALD,R5F10ALC,R5F72A26K3CFFP,NP20P06SLG,R5F72AY2KFP,SH,R5F10ALG,R5S726A3P216FP,R5F10ALF,R5S72671P144FP,NP83P04PDG,R5F10ALE,R7F701006,R7F701003,R5F10DMDXFB,NP84N055KLE,R7F701002,NP88N055KLE,NP36P04KDG,R5F10AME,NP80N04NHE,NP80N04PLG,NP100N04PUK,RH850,R5F10CGCXFB,NP55N055SUG,R5F10DPJXFB,R5F10AMG,R5F10AMF,NP160N04TUG,R7F701577,NP100N04PUG,R7F701573,R5S726B1P216FP,R5S72681P266FP,R7F701572,NP90N03VLG,HS0005KCU02H,RSF108GG,R5F10CGBXFB,NP80N03NLE,R7F701568,R7F701569,R5F10DGEXFB,NP45N06VUK,R5F71474BJ80FPV,NP50P04KDG,R5F10DPJXFB,R5F72531KFPU,R5F10PLE,R5F113PG,R7F701580,R7F701581,R7F701586,R5F10PLJ,R5F113PL,R7F701587,NP36P06KDG,R5F113PK,R5F10PLH,R5F113PJ,R5F10PLG,R7F701582,R5F10PLF,R5F113PH,R7F701583,NP60N055VUK,NP80N04MHE,R5F10CGBXFB,R5F72A26K3DFFP,P1X,HS0005KCU01H,R5F10DGEXFB,RL78,RH850/CIM,R5F10PMF,NP109N04PUK,R5F10PME,NP90N04MUK,NP109N04PUG,NP74N04YUG,R7F701313,NP60N04MUK,R7F701314,R7F701553,R7F701311,NP180N055TUK,R7F701312,R5F10PMJ,NP60N04MUG,R7F701552,R7F701310,NP90N04MUG,R5F10PMH,R5F10PMG,R7F701548,R7F701549,R7F701546,R5S72671W144FP,R7F701304,NP89N04PDK,R7F701547,R7F701305,NP90N055VUK,MCU-SUPERH,NP50N04YUK,R8C,R7F701566,R7F701567,R7F701564,R7F701322,R7F701565,R7F701323,NP60N03KUG,NP88N055MLE,R7F701562,R7F701320,R7F701563,R7F701321,RH850P,R7F701560,R7F701561,R5F109AA,R7F701319,R5F72AY3KFP,R7F701318,NP80N04NLG,R7F701557,R5F72A08KACFFM,R7F701315,RH850C,NP100P04PLG,R5F109AE,NP160N04TUK,R5F109AD,R5F109AC,R5F109AB,SH7147,SH7268,R5F10DMGXFB,NP90N055MUK,SH7269,SH7266,NP90N04NUK
【IC】瑞萨推出嵌入模拟前端的RX23E-B MCU，最大数据传输速率125kSPS，适用于工业传感器应用
A/D转换器的选择因应用需求而有所不同。因此，RENESAS扩展了RX-E产品组合，并推出了集成更高性能ΔΣA/D转换器的RX23E-B MCU。RX23E-B的高速性能和噪声性能都有所提高，达到了中高速范围，可支持有这种速需求度的应用。最大数据传输速率为125kSPS，在ΔΣA/D转换器中属于高速，比RX23E-A快8倍。RX23E-B的RMS噪声也降低到RX23E-A的三分之一左右。
产品 发布时间 : 2023-11-25
【经验】瑞萨RA系列MCU使用e2 studio的断点调试方法和注意事项
瑞萨RA系列MCU可以使用e2 studio等开发环境进行调试和下载程序，在使用e2 studio时我们经常会遇到一些异常现象，如没有办法下断点进行调试，无法debug观察寄存器状态等，本文将介绍一下e2 studio常见的断点调试方法和注意事项。
设计经验 发布时间 : 2022-02-23
【经验】解析瑞萨RA家族MCU的主要区别及命名规则
目前瑞萨电子（Renesas）已经发布的RA产品家族MCU主要包括四个系列即RA2系列、RA4系列和RA6系列，以及计划发布的RA8系列。有很多客户不了解RA家族处理器的主要区别和命名规则，本文讲详细讲解。
设计经验 发布时间 : 2022-04-20
【IC】瑞萨推出全新超高性能产品业界首款基于Arm® Cortex®-M85处理器的MCU RA8系列
瑞萨RA8系列MCU是业界首款采用Arm® Cortex®-M85处理器的产品，提供卓越6.39 CoreMark/MHz（注）性能——这一性能水平将使系统设计人员能够使用RA MCU替代应用中常用微处理器。
产品 发布时间 : 2023-11-02
【经验】瑞萨RA系列MCU在Keil开发环境下的开发介绍
本文主要介绍在Keil环境下如何新建瑞萨RA项目工程以及在已存在的RA醒目工程中如何通过图形化工具进行代码的底层配置。
设计经验 发布时间 : 2021-07-21
【经验】瑞萨RX系列MCU使用DMA+SPI传输数据
瑞萨RX使用DMA+SPI传输数据的步骤
设计经验 发布时间 : 2021-07-21
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