CN-121989772-A - Truck self-adaptive seat and cab suspension cooperative control system and truck

CN121989772ACN 121989772 ACN121989772 ACN 121989772ACN-121989772-A

Abstract

The invention discloses a truck self-adaptive seat, a cab suspension cooperative control system and a truck. The system comprises a global perception layer, an ECU cooperative control unit, an adaptive seat executing layer, an adaptive cab suspension executing layer and an adaptive seat executing layer, wherein the global perception layer is used for comprehensively acquiring global perception data comprising road surface states and driver body states, the global perception data is various data related to driving comfortableness, the ECU cooperative control unit considers the road surface states and influences on a seat and a cab suspension system according to the global perception data, and considers the demands of the driver body states on the seat and the cab suspension system, the seat and the cab suspension system are cooperatively controlled, and respectively output a seat control instruction and a suspension control instruction which are cooperatively controlled, the adaptive seat executing layer is used for adjusting the supporting state and the damping state of the seat according to the seat control instruction, and the adaptive cab suspension executing layer is used for adjusting the rigidity and the damping state according to the suspension control instruction, wherein the supporting state, the damping state and the cab suspension system of the seat are cooperatively controlled.

Inventors

ZHOU PENG
CHENG SHENGHUI
MA AIGUO
LIU CHANGCHUN
Xia Jingkang

Assignees

苏州光梭未来智能科技有限公司

Dates

Publication Date: 20260508
Application Date: 20260318

Claims (10)

1. A truck adaptive seating and cab suspension cooperative control system, comprising: The system comprises a global perception layer, a driving comfort layer and a driving comfort layer, wherein the global perception layer is used for comprehensively acquiring global perception data comprising pavement states and driver body states, and the global perception data are various data related to driving comfort; The ECU cooperative control unit receives the global perception data, considers the road surface state according to the global perception data, simultaneously affects the seat and the cab suspension system, considers the requirements of the driver on the seat and the cab suspension system, performs cooperative control on the seat and the cab suspension system, and outputs a seat control instruction and a suspension control instruction of cooperative control respectively; The self-adaptive seat execution layer is arranged on the seat, and the supporting state and the vibration reduction state of the seat are adjusted according to the seat control instruction; The self-adaptive cab suspension execution layer is connected with the cab and the frame, and rigidity and vibration reduction states are adjusted according to the suspension control instruction; Wherein the support state, damping state of the seat cooperate with the cab suspension system.
2. The truck adaptive seat and cab suspension cooperative control system of claim 1, wherein the global sensing layer comprises a road surface sensor, a body attitude sensor, a seat pressure sensor, a lateral acceleration sensor, and a navigation module; The vehicle body attitude sensor is arranged at the top of the cab and used for detecting the attitude of the cab and providing a basis for stable control, the seat pressure sensor is embedded into a cushion and a backrest of a seat in the cab and used for detecting the pressure born by the cushion and the backrest of the seat and providing a basis for adapting to the body state of a driver, the transverse acceleration sensor and the navigation module are integrated into the ECU cooperative control unit and used for measuring the acceleration of the left and right directions of the truck and providing a basis for stable control, and the navigation module is used for pre-judging a travelling path and providing a basis for pre-judging control.
3. The truck adaptive seat and cab suspension cooperative control system according to claim 2, wherein the ECU cooperative control unit is provided with an adaptive neural fuzzy inference system, and is configured to cooperatively analyze the global perception data based on an adaptive neural fuzzy inference algorithm, and fuse the influence of a cab vibration condition, a cab posture, a driver posture, acceleration in a left-right direction of the truck, a predicted travel path on the seat, and the influence on the cab suspension system, so as to obtain the seat control instruction and the suspension control instruction.
4. The truck adaptive seat and cab suspension cooperative control system of claim 1, wherein the adaptive seat actuation layer comprises a magnetorheological damper, a smart airbag package, and a Micro matrix air column; The magnetorheological damper is arranged on the seat bottom supporting mechanism and used for damping vibration, the intelligent air bag set comprises a cushion air bag, a backrest air bag and a flank air bag and is used for providing a seat contour and encircling angles, and the Micro matrix air column is embedded into the cushion and is used for adjusting seat supporting hardness.
5. The truck adaptive seat and cab suspension cooperative control system of claim 1, wherein the adaptive cab suspension actuation layer comprises an electronically controlled air spring, an adjustable damping shock absorber, and an air compressor; The electronic control air springs are symmetrically arranged at four corners of the cab and used for adjusting suspension rigidity of the cab, the adjustable damping shock absorber is connected with the electronic control air springs in parallel and used for damping, and the air compressor is electrically connected with the ECU cooperative control unit and used for providing high-pressure compressed air for the electronic control air springs and the intelligent air bag group.
6. The truck adaptive seat and cab suspension cooperative control system according to claim 1, wherein data interaction is achieved between the global sense layer, the ECU cooperative control unit, the adaptive seat execution layer, and the adaptive cab suspension execution layer through a CAN bus.
7. The truck adaptive seating and cab suspension cooperative control system of claim 1, wherein the cooperative control logic of the ECU cooperative control unit comprises: After the truck is started, the seat pressure sensor of the global sensing layer collects the body state data of a driver, and the ECU cooperative control unit outputs a seat control instruction according to the body state data of the driver, controls the inflation quantity of the intelligent air bag group of the self-adaptive seat execution layer, adjusts the seat contour and the encircling angle, and controls the Micro matrix air column of the self-adaptive seat execution layer to adjust to the initial supporting hardness.
8. The truck adaptive seating and cab suspension cooperative control system of claim 1, wherein the cooperative control logic of the ECU cooperative control unit comprises: When the global sensing layer detects low-frequency large-amplitude vibration, controlling the self-adaptive cab suspension execution layer to adjust rigidity and damping force to realize low-frequency vibration attenuation; And when the global sensing layer prejudges the turning working condition, controlling the side wing air bags of the seat executing layer to be pre-inflated in advance by setting time, and simultaneously adjusting the rigidity of the inner side air springs and the outer side air springs in the self-adaptive cab suspension executing layer to control the cab side-tipping angle within the set angle.
9. The system of claim 8, further comprising controlling the adaptive seat actuation layer to adjust the support stiffness of the Micro matrix air column to increase the seat comfort of a jolt road when the road sensor of the global sensing layer detects low frequency large amplitude vibrations.
10. A truck comprising a frame, a cab and the truck adaptive seat and cab suspension cooperative control system of any one of claims 1-9.

Description

Truck self-adaptive seat and cab suspension cooperative control system and truck Technical Field The invention relates to the technical field of trucks, in particular to a truck self-adaptive seat, a cab suspension cooperative control system and a truck. Background As a core carrier for cargo transportation, a driver often needs to face severe use scenes such as long-distance running, complex road conditions (such as mine road surfaces and country bumpy road surfaces), and the vibration isolation and seat comfort of a cab directly influence the health and driving safety of the driver. However, the existing cab suspension system of the truck has the problems of poor vibration isolation effect and low suitability of the seat and a driver, and affects the riding comfort and the driving safety of the truck. Disclosure of Invention The invention provides a truck self-adaptive seat, a cab suspension cooperative control system and a truck, so as to improve the riding comfort and the driving safety of the truck. According to an aspect of the present invention, there is provided a truck adaptive seat and cab suspension cooperative control system, comprising: The system comprises a global perception layer, a driving comfort layer and a driving comfort layer, wherein the global perception layer is used for comprehensively acquiring global perception data comprising pavement states and driver body states, and the global perception data are various data related to driving comfort; The ECU cooperative control unit receives the global perception data, considers the road surface state according to the global perception data, simultaneously affects the seat and the cab suspension system, considers the requirements of the driver on the seat and the cab suspension system, performs cooperative control on the seat and the cab suspension system, and outputs a seat control instruction and a suspension control instruction of cooperative control respectively; The self-adaptive seat execution layer is arranged on the seat, and the supporting state and the vibration reduction state of the seat are adjusted according to the seat control instruction; The self-adaptive cab suspension execution layer is connected with the cab and the frame, and rigidity and vibration reduction states are adjusted according to the suspension control instruction; Wherein the support state, damping state of the seat cooperate with the cab suspension system. Optionally, the global sensing layer comprises a pavement sensor, a vehicle body posture sensor, a seat pressure sensor, a lateral acceleration sensor and a navigation module; The vehicle body attitude sensor is arranged at the top of the cab and used for detecting the attitude of the cab and providing a basis for stable control, the seat pressure sensor is embedded into a cushion and a backrest of a seat in the cab and used for detecting the pressure born by the cushion and the backrest of the seat and providing a basis for adapting to the body state of a driver, the transverse acceleration sensor and the navigation module are integrated into the ECU cooperative control unit and used for measuring the acceleration of the left and right directions of the truck and providing a basis for stable control, and the navigation module is used for pre-judging a travelling path and providing a basis for pre-judging control. Optionally, the ECU cooperative control unit is provided with a built-in adaptive neural fuzzy inference system, and is configured to cooperatively analyze the global sensing data based on an adaptive neural fuzzy inference algorithm, and fuse the influence of the cab vibration condition, the cab posture, the driver posture, the acceleration in the left-right direction of the truck, the pre-judgment travel path on the seat, and the influence on the cab suspension system, so as to obtain the seat control instruction and the suspension control instruction. Optionally, the adaptive seat execution layer comprises a magneto-rheological damper, an intelligent air bag group and a Micro matrix air column; The magnetorheological damper is arranged on the seat bottom supporting mechanism and used for damping vibration, the intelligent air bag set comprises a cushion air bag, a backrest air bag and a flank air bag and is used for providing a seat contour and encircling angles, and the Micro matrix air column is embedded into the cushion and is used for adjusting seat supporting hardness. Optionally, the adaptive cab suspension actuating layer comprises an electronically controlled air spring, an adjustable damping shock absorber and an air compressor; The electronic control air springs are symmetrically arranged at four corners of the cab and used for adjusting suspension rigidity of the cab, the adjustable damping shock absorber is connected with the electronic control air springs in parallel and used for damping, and the air compressor is electrically connected with the ECU cooperative control unit and