A multi-working condition suspension preview system and its control method based on intelligent network connection
A control method and multi-working-condition technology, applied to suspensions, elastic suspensions, vehicle components, etc., can solve the problems of high energy consumption, hysteresis of active suspensions, and unsatisfactory damping effects of passive suspensions, etc., to improve driving Effects related to ride experience and driving safety, guarantee effectiveness, and improvement of ride comfort and operational stability
Inactive Publication Date: 2019-01-08
JIANGSU UNIV
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[0006] Based on the above reasons, the present invention provides a multi-working-condition suspension preview system and its control method based on intelligent network connection, which can effectively solve the problem of unsatisfactory vibration reduction effect of existing passive suspensions, high energy consumption of active suspensions, and hysteresis. Problems with obvious phenomena, realize the vehicle's active perception of road conditions and intelligent decision-making
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[0036] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention is not limited thereto.
[0037] figure 1 It is a block diagram of the multi-working-condition suspension preview system based on intelligent network connection, including a database unit 1, a sensor unit 2, an electronic control unit ECU3, a vehicle operating condition adjustment module 4 and an expert system 10, and the ECU3 is connected with the database unit respectively. 1. The sensor unit 2, the vehicle operating condition adjustment module 4 and the expert system 10 are connected through data lines.
[0038] The database unit 1 includes a network database 5 and a local database 6, and the network database 5 contains road condition data collected by satellites or uploaded by users; the network database 5 and the local database 6 can select DSRC or 3G network or 4G network connection , the p...
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The invention discloses a multi-working-condition suspension previewing system based on intelligent networking and a control method for the multi-working-condition suspension previewing system. The multi-working-condition suspension previewing system comprises a database unit, a sensor unit, an ECU, a vehicle working condition adjusting module and an expert system. Through the intelligent networking technology, the road condition in front of a vehicle can be previewed, and the vehicle is intelligently switched among a comfort working condition, a standard working condition and an energy storage working condition. Under the comfort working condition, the parameters of a suspension can be automatically changed, so that the suspension is suitable for the current road condition; and under the energy storage working condition, energy can be recycled to supply power to vehicle-mounted electrical equipment, and therefore the purposes of energy conservation, emission reduction and environment-friendly travel are achieved. Meanwhile, information sharing is achieved through the system, and the accuracy and the validity of data in a database are guaranteed. By the adoption of the system, the taking comfort and the operation stability of the vehicle can be effectively improved, the requirements for the sensing distance and the accuracy of a sensor and the performance of a vehicle-mounted computer are low, practicality is high, and the system has the important significance in development of medium-high-grade vehicles and intelligent transportation.
Description
technical field [0001] The invention belongs to the field of vehicle suspension system control optimization, in particular to the control of the multi-working condition vehicle suspension system applying the inerter technology. The invention relates to a method for actively adjusting suspension working conditions, in particular to an intelligent network-based multi-working condition suspension preview system and a control method thereof. Background technique [0002] The road condition detection technology can detect the condition of the road, and then realize the analysis of the road surface spectrum, which has a non-negligible effect on the ride comfort and even the driving safety of the vehicle. The current road condition detection technology mainly includes real-time acquisition method and preview analysis method. Among them, the real-time acquisition method is to use sensors to detect the road conditions in front of the vehicle, and send the data to the on-board comput...
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IPC IPC(8): B60G17/015
CPCB60G17/015B60G2400/82B60G2800/87
Inventor 陈龙刘昌宁张孝良沈钰杰杨军
Owner JIANGSU UNIV