Mechatronics (Part-XI)- Automation Tools And Limitations

Image for representative purpose only.

Know About The Different Automation Tools And Their Limitations

Now we continue with the eleventh part of our blog on mechatronics. Those who have missed our tenth blog can read it from Here. It will help to connect with the eleventh part of the blog discussing different automation tools and their limitations. Let us explore the blog to find out in more details. Automation is a great profit but it's a real potential trouble area for society. Automation is going to cause unemployment, and we need to prepare it.

Automation Tools

Engineers can now have numerical control over automated devices. The result has been a rapidly expanding range of applications and human activities. Computer-aided technologies now serve as the basis for mathematical and organizational tools used to create complex systems. Notable examples of CAx include Computer-aided design(CAD software) and Computer-aided manufacturing (CAM software). The improved design, analysis, and manufacture of products enabled by CAx has been beneficial for industry. Information technology, together with industrial machinery and processes, can assist in the design, implementation, and monitoring of control systems. One example of an industrial control system is a programmable logic controller (PLC). PLCs are specialized hardened computers which are frequently used to synchronize the flow of inputs from (physical) sensors and events with the flow of outputs to actuators and events. Human-machine interfaces (HMI) or computer human interfaces (CHI), formerly known as man-machine interfaces, are usually employed to communicate with PLCs and other computers. Service personnel who monitor and control through HMIs can be called by different names. In industrial process and manufacturing environments, they are called operators or something similar. In boiler houses and central utilities departments they are called stationary engineers. Different types of automation tools exist:

• ANN –Artificial neural network
• DCS –Distributed Control System
• HMI –Human Machine Interface
• SCADA –Supervisory Control and Data Acquisition
• PLC –Programmable Logic Controller
• Instrumentation
• Motion control
• Robotics

When it comes to factory automation, Host Simulation Software (HSS) is a commonly used testing tool that is used to test the equipment software. HSS is used to test equipment performance with respect to Factory Automation standards (timeouts, response time, processing time).

Limitations to Automation

Current technology is unable to automate all the desired tasks. Many operations using automation have large amounts of invested capital and produce high volumes of product, making malfunctions extremely costly and potentially hazardous. Therefore, some personnel are needed to ensure that the entire system functions properly and that safety and product quality are maintained. As a process becomes increasingly automated, there is less and less labor to be saved or quality improvement to be gained. This is an example of both diminishing returns and the logistic function. As more and more processes become automated, there are fewer remaining non-automated processes. This is an example of exhaustion of opportunities. New technological paradigms may however set new limits that surpass the previous limits.

Current Limitation

Many roles for humans in industrial processes presently lie beyond the scope of automation. Human-level pattern recognition, language comprehension, and language production ability are well beyond the capabilities of modern mechanical and computer systems (but see Watson (computer)). Tasks requiring subjective assessment or synthesis of complex sensory data, such as scents and sounds, as well as high-level tasks such as strategic planning, currently require human expertise. In many cases, the use of humans is more cost-effective than mechanical approaches even where automation of industrial tasks is possible. Overcoming these obstacles is a theorized path to post-scarcity economics.

Paradox Automation

The paradox of automation says that the more efficient the automated system, the more crucial the human contribution of the operators. Humans are less involved, but their involvement becomes more critical.If an automated system has an error, it will multiply that error until it’s fixed or shut down. This is where human operators come in.A fatal example of this was Air France Flight 447, where a failure of automation put the pilots into a manual situation they were not prepared for. 

To be continued in the next blog...