CN203402237U - EPS traffic control system of commercial vehicle - Google Patents
EPS traffic control system of commercial vehicle Download PDFInfo
- Publication number
- CN203402237U CN203402237U CN201320265912.2U CN201320265912U CN203402237U CN 203402237 U CN203402237 U CN 203402237U CN 201320265912 U CN201320265912 U CN 201320265912U CN 203402237 U CN203402237 U CN 203402237U
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- ecu
- control system
- vehicle
- microcomputerized controller
- commercial vehicle
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Abstract
The utility model discloses an EPS traffic control system of a commercial vehicle. The EPS traffic control system comprises a steering wheel, a steering column connected with the steering wheel, tires, a reversible permanent magnet DC motor, a magnetic powder brake and an ECU microcomputer controller. A rotating angle driver A and a rotating angle driver B are arranged on the steering column; the lower end of the steering wheel is provided with a torque sensor; and an axletree of each tire is provided with a velocity sensor and a gravity sensor. Steering wheel hand feeling of a driver and road-driving feeling are monitored by the EPS traffic control system of the commercial vehicle; with the ECU microcomputer controller, speed for calculation is fast, so that changes of various parameters during the driving of the vehicle can be completed in real time; and various parameter matching becomes easier and a control signal can be quickly sent to a transmission device. The EPS traffic control system of commercial vehicle has small size and simple and convenient installation and is particularly suitable to various commercial vehicles, thereby possessing wide application range; and with the control system, driving safety of the commercial vehicle is greatly enhanced.
Description
Technical field
The utility model relates to running car control system, especially a kind of commercial vehicle/comm..vehicle EPS running control system.
Background technology
Along with the develop rapidly of auto-industry, the Combination property of improving handling maneuver that power steering system is good, progressively becomes the standard configuration of middle and high end vehicle.There are following several point defects in current common EPS running control system:
1, when high vehicle speeds, the friction adhesive ability on wheel and ground reduces, and wheel is not easy to remain on predetermined rail running, and at this moment bearing circle operating handle kicks the beam, and so-called do not have " road feel ".When running into unexpected even burst accident, very likely because bearing circle operation resistance is too small, significantly the raw ovdersteering of torsional direction hair updo, causes and swarms into suddenly the accident of even overturning in reverse track;
When 2, vehicle high-speed is turned, regulate power-assisted output and electromagnetic power brake to be difficult to the very first time and turn to damping control, the easy generation of vehicle body is significantly waved, at special road section or sleety weather, easily cause the phenomenon of " out of control ", this problem commercial vehicle especially large with volume, that quality is large, center of gravity is high is more serious.
Utility model content
Goal of the invention: for the deficiencies in the prior art, applicant, through long-term practical exploration, has designed a kind of commercial vehicle/comm..vehicle EPS running control system.
Technical scheme: in order to realize above-mentioned utility model object, the technical scheme that the utility model adopts is: a kind of commercial vehicle/comm..vehicle EPS running control system, comprise bearing circle, the steering column being connected with described bearing circle, tire, reversible permanent magnet DC motor, electromagnetic power brake and ECU microcomputerized controller, described steering column is provided with angular drive device A and angular drive device B, described bearing circle lower end is provided with torque sensor, the axletree of described tire is provided with speed sensor and weight sensor, described ECU microcomputerized controller is provided with vehicle speed signal input port and is connected with speed sensor, described ECU microcomputerized controller is provided with gravitational cue input port and is connected with weight sensor.Described ECU microcomputerized controller is provided with torque signal input port and is connected with torque sensor.Described ECU microcomputerized controller is provided with torque signals input port and is connected with angular drive device B with angular drive device A.Between described reversible permanent magnet DC motor and ECU microcomputerized controller, be provided with current controller, ECU microcomputerized controller is by the outgoing current of outgoing current control signal Limited Current controller.
In described ECU microcomputerized controller, algorithm software is set, and power steering is set starts just setting value of interval value and the speed of a motor vehicle, when wheel steering angle reaches the scope of power steering startup interval value, ECU microcomputerized controller utilizes the voltage that load range is 27-34 volt to carry out variable control to output power-assisted, after overcurrent controller, obtain pulsation-free current value, when chaufeur does not operate bearing circle or vehicle keeps straight-line travelling state, voltage is 0 volt, no current output; When Vehicle Speed is greater than the first setting value of the speed of a motor vehicle, by speed sensor, speed signal is fed back to ECU microcomputerized controller, described ECU microcomputerized controller provides the electric current being directly proportional to Vehicle Speed to electromagnetic power brake.
Native system take chaufeur bearing circle feel and driving road feel be monitoring target, realize following steps: chaufeur steering wheel rotation in Vehicle Driving Cycle, torque sensor detects the distortion of bearing circle torque rod, torque rod change information is converted into electronic signal, and by the torque signal input port input ECU microcomputerized controller on ECU microcomputerized controller, the speed sensor and the weight sensor that are now installed on the axletree of tire are also inputted data ECU microcomputerized controller, three data values that calculate input by algorithm software carry out changing control to the voltage of ECU microcomputerized controller.Power-assisted compensation in the time of can realizing like this in Vehicle Driving Cycle process inertia compensation in accelerating and control and turn is controlled.
Beneficial effect: compared with prior art, its beneficial effect is the utility model:
1, native system adopts ECU microcomputerized controller, calculates running velocity fast, and the various parameters that can complete in real time in Vehicle Driving Cycle process change, and various parameter matching are more prone to, and can rapidly control signal be sent to driving device;
2, not only volume is little for the utility model, and simple installation is particularly useful for multiple commercial vehicle vehicle, is widely used, and has greatly improved the traffic safety of commercial vehicle.
Accompanying drawing explanation
Fig. 1 is the principle schematic of a kind of commercial vehicle/comm..vehicle EPS of the utility model running control system.
Fig. 2 is the structural representation of a kind of commercial vehicle/comm..vehicle EPS of the utility model running control system.
The specific embodiment
Below by a most preferred embodiment, the technical program is elaborated, but protection domain of the present utility model is not limited to described embodiment.
Control principle of the present utility model as shown in Figure 1, be that torque sensor monitors bearing circle torsional variation, the signal of phase compensation demand is sent to ECU controller, meanwhile, speed sensor and pressure sensor also send to ECU controller by monitoring data separately in the mode of signal, ECU controller utilizes outgoing current to control motor by calculating, the rotary angle transmitter of motor by surge detection compensating feedback to ECU controller.Meanwhile, the inertia compensation control signal of rotary angle transmitter and turn to reseting controling signal also Real-time Feedback to ECU controller.
As shown in Figure 2, a kind of structural representation of commercial vehicle/comm..vehicle EPS running control system, comprise bearing circle 1, the steering column being connected with described bearing circle 1, tire 5, reversible permanent magnet DC motor 7, electromagnetic power brake 9 and ECU microcomputerized controller 2, described steering column is provided with angular drive device A8 and angular drive device B10, described bearing circle 1 lower end is provided with torque sensor 11, the axletree of described tire 5 is provided with speed sensor 3 and weight sensor 4, described ECU microcomputerized controller 2 is provided with vehicle speed signal input port and is connected with speed sensor 3, described ECU microcomputerized controller 2 is provided with gravitational cue input port and is connected with weight sensor 4,
Described ECU microcomputerized controller 2 is provided with torque signal input port and is connected with torque sensor 11;
Described ECU microcomputerized controller 2 is provided with torque signals input port and is connected with angular drive device B10 with angular drive device A8;
Between described reversible permanent magnet DC motor 7 and ECU microcomputerized controller 2, be provided with current controller 6, ECU microcomputerized controller 2 is by the outgoing current of outgoing current control signal Limited Current controller 6.
The interior algorithm software that arranges of described ECU microcomputerized controller 2, and power steering is set starts just setting value of interval value and the speed of a motor vehicle, when bearing circle 1 steering angle reaches the scope of power steering startup interval value, ECU microcomputerized controller 2 utilizes the voltage that load range is 27-34 volt to carry out variable control to output power-assisted, after overcurrent controller 6, obtain pulsation-free current value, when chaufeur does not operate bearing circle 1 or vehicle keeps straight-line travelling state, voltage is 0 volt, no current output;
When Vehicle Speed is greater than the first setting value of the speed of a motor vehicle, by speed sensor 3, speed signal is fed back to ECU microcomputerized controller 2, described ECU microcomputerized controller 2 provides the electric current being directly proportional to Vehicle Speed to electromagnetic power brake 9.
Native system take chaufeur bearing circle feel and driving road feel be monitoring target, realize following steps: chaufeur steering wheel rotation 1 in Vehicle Driving Cycle, torque sensor 11 detects bearing circle 1 torque rod distortion, torque rod change information is converted into electronic signal, and by the torque signal input port input ECU microcomputerized controller 2 on ECU microcomputerized controller 2, the speed sensor 3 and the weight sensor 4 that are now installed on the axletree of tire 5 are also inputted data ECU microcomputerized controller 2, three data values that calculate input by algorithm software carry out changing control to the voltage of ECU microcomputerized controller 2.
The above is only preferred implementation of the present utility model; be noted that for those skilled in the art; do not departing under the prerequisite of the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (1)
1. a commercial vehicle/comm..vehicle EPS running control system, comprise bearing circle (1), the steering column being connected with described bearing circle (1), tire (5), reversible permanent magnet DC motor (7), electromagnetic power brake (9) and ECU microcomputerized controller (2), it is characterized in that: described steering column is provided with angular drive device A(8) and angular drive device B(10), described bearing circle (1) lower end is provided with torque sensor (11), the axletree of described tire (5) is provided with speed sensor (3) and weight sensor (4), described ECU microcomputerized controller (2) is provided with vehicle speed signal input port and is connected with speed sensor (3), described ECU microcomputerized controller (2) is provided with gravitational cue input port and is connected with weight sensor (4),
Described ECU microcomputerized controller (2) is provided with torque signal input port and is connected with torque sensor (11);
Described ECU microcomputerized controller (2) is provided with torque signals input port and angular drive device A(8) with angular drive device B(10) be connected;
Between described reversible permanent magnet DC motor (7) and ECU microcomputerized controller (2), be provided with current controller (6), ECU microcomputerized controller (2) is by the outgoing current of outgoing current control signal Limited Current controller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320265912.2U CN203402237U (en) | 2013-05-15 | 2013-05-15 | EPS traffic control system of commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320265912.2U CN203402237U (en) | 2013-05-15 | 2013-05-15 | EPS traffic control system of commercial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN203402237U true CN203402237U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320265912.2U Expired - Fee Related CN203402237U (en) | 2013-05-15 | 2013-05-15 | EPS traffic control system of commercial vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303365A (en) * | 2013-05-15 | 2013-09-18 | 苏州震科汽车部件有限公司 | Electric power storage (EPS) vehicle motion control system of commercial vehicle |
-
2013
- 2013-05-15 CN CN201320265912.2U patent/CN203402237U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303365A (en) * | 2013-05-15 | 2013-09-18 | 苏州震科汽车部件有限公司 | Electric power storage (EPS) vehicle motion control system of commercial vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20160515 |