In order to optimize heat transfer in a heat exchanger using an ARM (advanced RISC machine) core intelligent computer algorithm, a new type of controller has been designed. The whole control structure of the heat exchange unit has been conceived on the basis of seven functional modules, including data processing and output, human-computer interaction, alarm, and data communication. The main controller and communication controller have been used in a combined fashion and a new MCU (micro control unit) system scheme has been proposed accordingly. A fuzzy controller has been designed by using a fuzzy control algorithm, and a new mode of heat transfer for the heat exchanger has been implemented by combining the fuzzy controller and the PID (proportioning integral derivative) controller. Finally, the model has been applied to an actual heat exchange station to test and verify the performances of the new approach.

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The urban public transportation subsystem, that is, the electric vehicle public transportation system on the ground, is an important part of the urban transportation system, and its energy consumption is increasing. However, the research on the energy consumption structure of urban public transportation subsystems is not yet mature. From a development perspective, there is an urgent need to study the energy consumption of urban public transportation subsystems. On this basis, according to actual needs, a typical public transportation energy-saving technology quantified driver model for energy-saving benefits was established, data requirements and processing methods were clarified, and relevant case analysis was carried out, which not only provided intelligence for city managers to choose transportation stand by. It can effectively analyze the energy consumption of the driver during the driving of the vehicle, On the basis of cloud computing analysis combined with public transportation energy consumption system can provide effective data support.

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In the current process of social and economic development in my country, electric energy as a basic power has become an important foundation for building economic growth. At present, in my country’s various substation systems, the application of intelligent substations has become the mainstream form of substation construction engineering with the progress of technology. As an important part of the intelligent substation building, the energy-saving system of intelligent substation building can achieve the purpose of high efficiency and energy saving while ensuring the normal operation of the substation. This article will start with a variety of smart substation building structures, and comprehensively analyse the functions, functions, and effects of smart substation energy-saving systems.