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In order to improve the control effect of alcohol and hydrogen power system and accomplish control target of dissociated methanol engine, a electronic control model based on the MAP grid interpolation method has been put forward, and the software of Simulink has been used to simulate and verify the model. According to the establishment of the control strategy and algorithm, the ECU function is calculated, the MAP grid computing results after using interpolation have been obtained, and finally the experimental values and simulation values are compared. The results show that it has a high precision using Simulink simulation model. The comparison error of simulation and experimental results is less than 5%, the more accurate MAP electronic control three-dimensional map can be got, continuity and smoothness of the image is better, electronic control injection quantity at arbitrary rotation speed and the throttle opening degree can be checked. Introduction The 21st century is the era of the rapid development of oil and computer, especially the development and dependence degree of oil reached the unprecedented degree. With the prosperity of the automotive market, demand for oil is increasing, but at the same time oil reserves also have sharply reduced, which makes people facing unprecedented energy and environmental challenges. At present, saving energy and protecting the environment is the theme of the times, the technological revolution as the core of new energy technology has been set off all over the world, including the use of new energy vehicles and electric vehicles. And taking methanol cracking gas as automobile power materials not only can solve the problem of lack of oil reserves, and its combustion products less polluted air, because the dissociated methanol is hydrogen and carbon monoxide. Therefore, it has become hot spot in study of new energy automobiles. Methanol dynamic system characteristics and cracking model If the methanol liquid is directly used as the engine fuel, its thermodynamic performance is poor, and if the methanol is cracked into gas, the thermodynamic performance will be greatly improved. Such as cracking methanol to hydrogen and carbon monoxide, which can save 14% of fuel and low calorific value of dissociated methanol increased by 20% compared with the single use of methanol, at the same time the thermal efficiency is greatly improved. the data comparison has been given in Tab. 1, including separate use liquid methanol, methanol steam, and the use of dissociated methanol and gasoline. 2nd Workshop on Advanced Research and Technology in Industry Applications (WARTIA 2016) © 2016. The authors Published by Atlantis Press 50 Table 1 Comparison of low calorific value of different fuel components Fuel type Calorific value(KJ/Kg) Methanol liquid 19.98

Study of Modeling and Simulation of Methanol Engine Electronic Control System