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Body Systems
Published in Dorin O. Neacşu, Automotive Power Systems, 2020
The electronic cruise control is based on electronic throttle control (ETC). The electronic throttle control is an automobile technology that electronically “connects” the accelerator pedal to the throttle, replacing a mechanical linkage. A typical ETC system consists of three major components. an accelerator pedal module that is ideally accompanied with two or more independent sensors,a throttle valve that can be opened and closed with an electric motor and it is sometimes referred to as an electric or electronic throttle body,a microcontroller-based engine control module (mostly abbreviated as ECM).
Working Performance and Feasibility Evaluation of Four-stroke Compressed Air Engine
Published in Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2023
The CAE system model mainly includes power monitoring management module and control module. Among them, the power-monitoring management module primarily involves ignition switch power supply and controller power supply, and the control module mainly includes electronic throttle control and engine operation control. In our system, we further set up the ignition switch and controller power monitoring management module, aiming to monitor the ignition switch signal and power supply of the controller, respectively. The main function of the throttle control module was to control the operation of the throttle motor, including motor enabling, motor steering, PWM cycle, and conduction time. The model of CAE operation control module was relatively complicated, and its main function was to collect the CAE operation, control inflation timing and pulse width, etc. After completion of the system model in Matlab/Simulink, it was necessary to compile the model and completed the automatic code generation. Meanwhile, an automatic report would be generated.
A Brawny hybrid FOFPID in MODA controller in HEVs
Published in Energy Sources, Part A: Recovery, Utilization, and Environmental Effects, 2020
Seema Haribhau Jadhav, R. V. Sarwadnya
In this proposed methodology, a new manner is introduced to control the speed of highly nonlinear hybrid electric vehicles (HEVs) having an electronic throttle control system (ETCS) in the cascade control loop. Controller performance of any controller in closed loop depends upon the tuning of gains. In this paper, the parameters of this new kind of fractional order FLC are optimally tuned with multi-objective DA (MODA) to handle a delayed nonlinear process and an open-loop unstable process with time delay. For conventional controller, such as traditional PID controller, the main drawback is that it contains some tuning methods that include Ziegler–Nichols and Cohen–Coon methods. But, in recent PID controllers, no such specific tuning methods are applicable. As a result, fractional order fuzzy PID (FOFPID) nonlinear controller is used in the cascade control loop. Moreover, in the case of cascade control loop, the controller present in the loop is tuned. Here, the control engineer has the freedom to tune the controller with their choice of performance index. Aging leader and challenger (ALC)-aided MODA is considered for controller optimization in closed loop. It is employed to enhance the gains of the controller for the reduction of integral of absolute error (IAE), maximum overshoot, and settling time. The performances of tuned controller are further estimated for tracking the speed profile, elimination of disturbance, and uncertainty model. It has been noticed that the FOFPID controller outperformed than other controllers in servo, regularity, and also in uncertain environment and proved its robust behavior for controlling the speed of HEVs. The proposed methodology is diagrammatically explained as flow diagram in Figure 2.