Active suspension automobile engine idling and hydraulic pump flow control system and method

Abstract

The invention discloses an active suspension automobile engine idling and hydraulic pump flow control system and method. The system comprises a main control unit, a gear sensor, an automobile speed sensor, a flow sensor, a rotating speed sensor, a hydraulic pump flow regulator and a timer. The gear sensor, the automobile speed sensor, the flow sensor, the rotating speed sensor, the hydraulic pumpflow regulator and the timer are in communication connection with the main control unit, and the gear sensor, the automobile speed sensor, the rotating speed sensor and the flow sensor send gear data,vehicle speed data, rotating speed data and flow data which are acquired in real time to the main control unit; the main control unit adjusts the flow of a hydraulic pump and the rotating speed of anengine based on one or more of the gear data, the automobile speed data, the rotating speed data and the flow data, the problems of engine flameout and fuel oil waste in the driving process when an active suspension automobile is started are solved, and energy is saved.

Description

technical field [0001] The invention relates to the technical field of vehicle engineering control, in particular to a control system and control method for actively suspending the idle speed of an automobile engine and the flow rate of a hydraulic pump. Background technique [0002] The suspension system is an important part of the vehicle, and its performance determines the smoothness, handling stability and driving safety of the vehicle. The active suspension system based on electro-hydraulic servo technology can adjust the output force or displacement of the electro-hydraulic servo actuator in real time according to the state of the body to cope with different driving conditions. The normal operation of the active suspension system requires the engine to drive the hydraulic pump to stably output a certain flow of high-pressure oil. Engine idle speed refers to the lowest speed when the accelerator is in a completely relaxed state, with no external output function and can...

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Problems solved by technology

[0007] Aiming at the defects in the above-mentioned prior art, the present invention proposes a control system for engine idle speed and hydraulic pump flow, which is applied to active suspension automobiles. The present invention discloses an engine idle speed and hydraulic pump flow control system for active suspension automobiles and method, the control system includes a main control unit, a gear sensor, a vehicle speed sensor, a flow sensor, a rotational speed sensor, a hydraulic pump flow regulator and a timer; the gear position sensor, a vehicle speed sensor, a flow sensor, a rotational speed sensor, and a hydraulic pump The flow regulator and the timer are connected to the main control unit respectively, and the gear position sensor, vehicle speed sensor, rotational speed sensor and flow sensor send the gear position data, vehicle speed data, rotational speed data and flow data collected in real time to the said main control unit. Main control unit; the main control unit adjusts the flow rate of the hydraulic pump and the engine speed based on one or more data of the gear position data, vehicle speed data, rotational speed data and flow data, which solves the problem of when the active suspension vehicle starts The problem of engine flameout and fuel waste during driving saves energy

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