Most popular HMI self-development and purchase

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HMI – develop and purchase by oneself

complex machines equipped with HMI (human-machine interface) and automobile manufacturers must face a key decision: develop their own human-machine interface or purchase off the shelf or customized human-machine interface important components from outside

self development and outsourcing decisions are very important and complex, involving many thorny issues. Is self-developed hardware and software the most cost-effective solution? Is this kind of engineering project consistent with your core competitiveness? Do your engineers have enough time to develop these products internally? Have you calculated the opportunity cost involved? Will commercial products provide you with the required performance and operational reliability at the rate of return on investment (ROI) you can pay

detailed analysis

in order to help you solve the dilemma of independent research and development and purchase, we will briefly introduce the typical product development cycle, so that you can understand in detail the contents involved in the design, manufacturing, testing and maintenance of the human-machine interface system


initially is to truthfully evaluate your R & D capabilities. This will involve your company's core competitiveness and priorities as well as opportunity costs. For the design of man-machine interface terminal, whether the best engineering resources are used

design stage

the primary consideration in the engineering design stage is whether your engineer has the experience and ability to design and develop complex human-machine interfaces

the next step is to consider whether many aspects of highly specific (if not unique) electrical and mechanical design can meet the requirements and limitations of the industrial environment. For example, when installing components, making these components withstand vibration or sealing the display and keyboard to prevent the influence of liquid, dust and other factors is a problem that the engineering design team must consider, and developing from scratch is a particularly urgent task of energy conservation and pollution prevention in the process of plastic granulator, which is a costly and time-consuming work

finally, don't ignore the complexity of software development, even a simple human-machine interface. Today, most displays use three-dimensional visual images to provide graphical feedback to operators and navigation elements. The requirement of programming in graphic environment is several times more complex than that of the display using only characters

prototype making

in the early stage, it is usually important to make prototypes in the design stage of new products. You need to evaluate your company's ability to develop machine prototypes quickly, at low cost, and efficiently. For example, do your engineers use 3D printers, or do they need to send CAD files to external services


how will your engineering team deal with the problem of testing hardware and software? Is your engineering team capable of designing and manufacturing test fixtures and writing test software? In addition, it is necessary to make fixtures and write software before the final assembly of products. Does your company have equipment to conduct environmental testing

repeated design

how many times can your product be designed repeatedly in the development plan? There are many potential failure points in the design and development of man-machine interface. Multiple redesign and prototyping may take several weeks of critical development time. However, most complex engineering projects require three to six prototyping stages to fully optimize the final product. In addition, rubber springs can also withstand shear deformation and compression deformation at the same time

final test and certification

final test and certification is an extremely demanding regulation. For example, depending on the operating environment of the machine, the HMI may have to be tested for extreme temperature range operation and the thermal shock test generated when the device is moved from one extreme temperature to another. The product may have to meet the humidity requirements or test its tightness by immersion or a large amount of liquid injection. The product also needs to undergo vibration test and can withstand electrostatic discharge and electromagnetic interference

these tests are expensive and time-consuming. Without professional equipment, many environmental tests cannot be carried out and need to be carried out in a special laboratory. It takes weeks or even months from applying for certification to passing the certification

release manufacturing

final release manufacturing involves generating many types of documents, including manufacturing documents, assembly drawings, and flow charts. It is required to provide maintenance manuals to technical service personnel and operation manuals to end users of the latest aerospace technology breakthroughs and new composite welding technology. The documentation work of HMI alone involves many man hours of collaborative work and document tracking and updating system. Is your company ready for these tasks

continuous engineering

when the human-machine interface is integrated into your product, maintenance, repair or replacement is the first consideration. The most important cost is to use the linear grating ruler or resistance strain gauge factor. If you purchase terminals from a third party, warranty products, maintenance and repair will be covered, so your company does not need to carry out internal research and development. In addition, when your HMI requires upgrading or obsolescence and obsolescence, your engineers will need to redesign

product management

one of the most difficult costs to calculate is opportunity cost. If you use engineering resources to develop human-machine interfaces that do not have core competitiveness, other more important or beneficial projects may be affected by this decision

product managers must assess risk factors truthfully. This involves all risks from occupying important members of the internal design team to changing important specifications (such as screen size) in the middle of product development. At the same time, it also involves the risk of component availability, especially when the quantity you need is not high. When producing products, there are also additional costs of continuous maintenance and support services


industry experts believe that the problems of self-development and outsourcing in any manufacturing industry ultimately boil down to a series of key issues. There are three important issues to consider: time to market, risk assessment and cost analysis. These three issues will face the problem of overcoming core competitiveness and opportunity cost

if the reliable terminal of the series of products designed and manufactured does not have core competitiveness, the fastest, safest and most cost-effective way is to reach a partner with a well-known human-machine interface manufacturer

graphics: detailed analysis of product development cycle

Beier electronics is a fast-growing technology company with rich experience in industrial automation and data communication. The company develops and sells competitive products and solutions for users. Since its establishment in 1981, Beier electronics has developed into a multinational group in 16 countries, with sales of SEK 1.2 billion in 2010. The company is listed on NASDAQ Stockholm OMX Nordic stock exchange small cap company (NASDAQ Stock Code: Belle). (end)

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