Often heard of "software defined radio" (SDR), "software defined network" (SDN), SD.... Recently, when smart manufacturing is in full swing, Wind River has proposed a "software-defined industrial architecture", which is really novel! What is going on? Let's take a look... Let's take a look at the related content with the industrial control editor.
Digital factory challengeModern manufacturing processes are becoming more and more complex. Therefore, it is necessary to use the next-generation information technology (IT) and operation technology (OT) to integrate and manage all the resources of the enterprise, identify and handle fluctuations in the manufacturing process in time, and realize the manufacturing process “4M†( Man-Machine-Material-Method, real-time control and optimization of elements to maintain the stability of the manufacturing process and improve the company's key performance levels to reduce manufacturing costs.
When we started to build such a digital factory, we had to overcome many technical challenges, such as deploying complex systems at a reasonable cost, flexibility, efficiency, and security (see Figure 1). To do this, we need to create an open, secure "software definition." The industrial automation system, "software-defined industrial architecture" came into being.
Figure 1 The edge, network and cloud of the industrial Internet of Things (Note: Clouds are everywhere, so the control system is complex)
"Software Defined Industrial Architecture"Expensive and inflexible, this is a major problem for many industrial automation solutions today, in part because they are non-open, proprietary solutions that are not interoperable and therefore cannot be combined with other products in the market. Collaborative work.
Components of a complete industrial control system typically include: digital controllers, programmable logic controllers or distributed control systems (PLC, DCS), data acquisition and monitoring systems (SCADA) software, human machine interface (HMI), process history, Application server and more. These components come from many providers in the market, but proprietary/private solutions lock industrial companies in a small embarrassment, making it impossible for them to choose which parts they want to use.
There is a successful example in another market – the telecom services industry has also faced a monopoly of proprietary equipment, but more than a dozen of the world's largest telecom operators have begun to take action. They work together to drive transformation into an interoperable solution, an industry-standard server-based approach called Network Function Virtualization (NFV). In just a few short years, telecom equipment vendors are now offering software-based networking capabilities that can run on commercial off-the-shelf (COTS) servers for economies of scale, broad supplier selection and interoperability. Sex.
Nowadays, similar changes are taking place in industrial enterprises.
Advantages of "Software-Defined Industrial Architecture"Based on open standards and open platforms, "software-defined industrial architecture" allows industrial companies to be free from vendor lock-in and related deficiencies in proprietary solutions. This helps to significantly reduce CAPEX and OPEX (capital and operational expenses), increase flexibility, improve security, and accelerate innovation.
In particular, in terms of security, due to the “software-defined industrial architectureâ€, the main hardware platform is just a server, which is more costly than the cost of implementing security in a proprietary industrial automation solution. Much less. The IT industry has developed a variety of hardware and software technologies for real-time protection of servers, all of which can be applied to "software-defined industrial architectures" to create robust hierarchical security mechanisms. In addition, the "software-defined industrial architecture" also includes first-class network security mechanisms (industrial automation security functions) in the virtualization function, which can be easily incorporated into the system, and the cost is not high, which is quite similar to the NFV of the telecom industry. These features include firewalls, VPN concentrators, intrusion detection systems (IDS) and intrusion prevention systems (IPS), SIEM, and even security features that have yet to be developed.
Requirements for "software-defined industrial architecture"The Software Defined Industrial Architecture solution must operate reliably and securely, collecting real-world industrial data in real time and responding in a timely manner. To achieve this, its infrastructure must combine operational and control functions and meet the following criteria: 1. Low latency virtualization; 2. Highly deterministic network interconnection; 3. High availability; 4. Enhanced Security; 5. Full lifecycle management; 6. Enhanced platform awareness and monitoring.
In terms of application methods, based on an open x86 virtualization architecture with COTS hardware, the "software-defined industrial architecture" solution must support easy integration of IT technologies such as Hadoop, Apache Storm, Java analytics engine, Linux and Linux containers. At the same time, these solutions must implement OT technology to meet real-time requirements, so this is more stringent than the average IT system. The solution can be implemented by Hard Real-TIme in operating systems such as Linux or VxWorks.
Wind River provides an OS platform for "software-defined industrial architecture"The Industrial Internet of Things is also composed of the cloud, the network, and the edge.
* On the network side, since many of the requirements for "software-defined industrial architecture" have been implemented through the telecommunications network NFV, but the industry needs higher security and reliability, Wind River has introduced TItanium Control (Figure 2).
It is worth mentioning that the Wind River TItanium Cloud family has three products: Titamiun Edge, Titamiun Core and Titamiun Control. Titamiun Edge and Titamiun Core serve communication/telecom, while Titamiun Control adds high reliability, high security, low latency and other functions to meet industrial needs. It is a virtualization platform (pictured in red in Figure 1).
Figure 2: Block diagram of Wind River Titanium Control
*Cloud. The digital factory faces the cooperation between OT and IT, and needs to break through the gap between OT and IT/edge and cloud. Wind River and Oracle have already begun to cooperate in this area - not long ago, Oracle IoT Cloud Service and Wind River Wind River Helix Device have been integrated to enable enterprise applications to automatically collect data from edge device sensors and implement contextualization. .
This integrated solution enables data in the device to quickly enter the enterprise back-end ERP, CRM, asset management and application systems in specific target areas. Moreover, it provides enterprise customers with simple and clear configuration and deployment experience, and can even remotely boot devices and securely import data into enterprise applications.
*edge. The equipment at the edge is divided into two categories.
One type is purely running on the edge, such as controllers. Wind River has VxWorks and Linux operating systems. Typical cases, such as Japan's Omron, in 2017, Omron launched a new IPC platform, including Wind River's VxWorks and Linux operating systems. This helps OMRON combine secure IoT interconnect capabilities with high-speed, high-precision real-time automation capabilities to meet stringent standards of quality, robustness and long-term reliability, while also providing end users with the flexibility to allow them Freely choose controllers driven by VxWorks or Linux operating systems.
Figure 3 Schematic diagram of Omron automation system
The other type is virtualization in the cloud, so although it seems to be edge-side software, it actually runs in the cloud. Typical OS products, such as Wind River Helix Device Cloud, mainly run in the cloud, but must have a proxy on the device side, because to retrieve data from the device side, mainly to manage the device side.
summaryIT and OT systems in digital factories need to be docked and integrated. The Software Defined Industrial Architecture can be started easily, flexibly and quickly based on the COTS server hardware and software platform.
Wind River has an industrial cloud, network and edge-rich OS, such as Titanium Control for the network, Helix Device for the cloud, VxWorks for the edge, Linux, and Helix Device Cloud that looks like the edge, the actual virtual cloud in the cloud. .
The above is about industrial control - the use of "software-defined industrial architecture" to achieve digital plant related introduction, if you want to know more information, please pay attention to eeworld, eeworld electronic engineering will provide you with more complete, more detailed, updated Information information.
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