Although not an engineer himselfwww.cechina.cn, poet Robert Burns once wroteCONTROL ENGINEERING China版权所有, “the best-laid plans of mice and men go oft awry.” Automation engineers know a lot can go wrong when designing a machine, programming a computer控制工程网版权所有, or building anything that involves automation equipment, computers, and sensors.
        Mistakes happenCONTROL ENGINEERING China版权所有, of course. And, when it comes to computer programming at least, about two-thirds to three-quarters of all projects fail outright or do not meet some of their budget, schedule or functionality objectives. This is the finding of the Standish Group’s annual Chaos Report, which is based on surveys of several hundred IT professionals collectively responsible for thousands of software development projects.
        10 reasons for failure
        The underlying causes cited by the survey’s respondents have varied from year to year, but these are often the top 10:
        1.Incomplete requirements;
        2.Lack of client involvement;
        3.Lack of resources;
        4.Unrealistic expectations;
        5.Lack of executive support;
        6.Changing requirements and specifications;
        7.Lack of planning;
        8.Didn’t need it any longer;
        9.Lack of management; and
        10.Technology illiteracy.
        Industrial automation projects may or may not fail as often as software development projects控制工程网版权所有, but the reasons for failure are very similar, according to a le