Control engineering (also known as control systems engineering) is a form of engineering which applies the theory of control to various design systems. Control engineers work with a variety of appliances ranging from rockets to household appliances to create control systems. Control engineering is centered on particular mathematical theories which enable engineers to flourishingly gather control feedback. Once the control feedback system has been calculated, engineers administer this information to the creation of a control system. A control system which is complete enables a machine of any kind to function independently. Almost every time of machine is equipped with a control system that was constructed by a control engineer. Engineers are able to make use of mathematical models and functions to determine how mechanical energy, matter and electricity flow though a specific appliance. They propose recent designs in order to gain output and efficiency. Most professionals of controls engineering specialize in a certain type of system. Examples include pressurized water pipes, equipment at chemical plants, electronics and engines. Control engineers are able to command any kind of system with the help of modern technology. Such systems can include but not limited to mechanical, electrical, chemical, financial, fluid and in certain cases biological. Control theory is divided into two main schools of thought that are both studied today. These two schools of thought are known as classical control theory and modern control theory. The most effective way to distinguish between classical control theory and modern control theory is to take heed the differences in domain usage. Frequency domains refer to a time response which is infinite that sweeps in frequency. Complex-s domains are akin to frequency domains. However they are an accurate abstraction of the frequency. Modern control theory is completely in frequency domain or complex-s domain. Additionally, modern control theory can be used for both multi-output and multi-input systems. People who are practicing modern control theory often stick with this form of control engineering. At the same time, engineers that follow classical control theory hardly ever make use of modern control theory. Contrasting the beliefs of modern control theory, classical control theory completely deals with single-output and single-input systems. Classical control theory is fashioned by using different equations in affiliation with complex-s domains. Control systems today are almost entirely mechanical. Control engineers however do supply the basic control systems for most machines. In today’s context, university standard control engineering courses are often in conjunction with mechanical, electronic, computer science, electrical or aerospace engineering disciplines. Chemical engineering in addition includes a form of control theory, even though this type of study is more commonly acknowledged as process control. Fundamentally, most engineering disciplines incorporate some part of control theory as it has shown to be of high esteem within the engineering field. An individual who wants to pursue an education in controls engineering can enroll in a four-year program at an accredited university. Few schools offer bachelor’s degrees in control engineering specifically but a student is able to familiarize themselves with the basics of dynamic systems and mathematical designs in an electrical, chemical or mechanical engineering program. In order to have a career as an electrical engineer, it is essential to possess an accredited electrical engineering degree. Successful electrical engineers are proficient with an aptitude for spatial relationships, math, design and problem solving. Control engineering is a relatively contemporary discipline within the field of engineering. The practical adoption of control theory was not utilized until the twentieth century. Before the twentieth century, technology was not an essential aspect of society. Once technology found its footing and had began to rapidly advance, a call for control engineers began also began to rise. In spite of control theory being present within the mechanical engineering field unswervingly following the demand for control engineers, it did not form a large role of other engineering disciples until only recently. Author Bio: Amit Pritam is a journalism student and a writer for TheGreenBook.com, the leading business directory in Singapore.