CN204978824U - Motor bus power assisted steering control system - Google Patents
Motor bus power assisted steering control system Download PDFInfo
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- CN204978824U CN204978824U CN201520651872.4U CN201520651872U CN204978824U CN 204978824 U CN204978824 U CN 204978824U CN 201520651872 U CN201520651872 U CN 201520651872U CN 204978824 U CN204978824 U CN 204978824U
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Abstract
The utility model discloses a motor bus power assisted steering control system, including a detection module, control module, executable module, the 2nd detection module, vehicle -mounted storage battery, a detection module detects the state of motor bus to transmit status signal for control module, control module handles incoming signal, judges driver's the operation intention and the actually situation of going of vehicle, calculates suitable helping hand motor target electric current. Executable module 3 is responsible for being the power signal with the control signal conversion of control module 2 input. Vehicle -mounted storage battery provides the power for each part. The utility model discloses need not hydraulic power a steering system necessary power steering oil pump, hydraulic oil, hose, belt pulley and conveyer belt is so bulk reduction, easy adjustment, assembly are nimble, more energy -conserving.
Description
Technical field
The utility model relates to automotive control system, is specifically related to a kind of motorcoach servo-steering control system.
Background technology
In the prior art, the steering boost system of motorcoach mainly adopts automobile hydraulic power-assisted steering system, this kind of technology coordinates realization by power steering pump with intergral reservoir, hydraulic oil, flexible pipe, belt pulley and belt conveyor, but it is larger that the shortcoming of this kind of technology is operating noise, traveling comfort is not quite desirable, and energy ezpenditure is high.
Utility model content
For the deficiencies in the prior art, the utility model discloses a kind of motorcoach servo-steering control system.
The technical solution of the utility model is as follows:
A kind of motorcoach servo-steering control system, comprises first detection module, control module, execution module, the second detection module, Vehicular accumulator cell;
Described first detection module comprises the first voltage conversion circuit, torque sensor, angular transducer, car speed sensor; Described control module comprises controller, input signal interface circuits, the second voltage conversion circuit, relay drive circuit, motor control logic circuit; Described execution module comprises photoelectric isolating circuit, relay protection circuit, H bridge circuit for controlling motor, assist motor; Described second detection module comprises motor current detecting circuit;
Described Vehicular accumulator cell connects the first voltage conversion circuit, the second voltage conversion circuit and relay protection circuit respectively;
Described first voltage conversion circuit is respectively described torque sensor, angular transducer, car speed sensor provide voltage; The mouth of described torque sensor, angular transducer, car speed sensor all connects described input signal interface circuits;
The input end of described second voltage conversion circuit and described input signal interface circuits all connection control device; The mouth of described controller connects relay drive circuit, motor control logic circuit and fault detector;
The mouth of described relay drive circuit, motor control logic circuit connects described photoelectric isolating circuit, the mouth of photoelectric isolating circuit connects relay protection circuit and H bridge circuit for controlling motor, and the mouth of described relay protection circuit connects assist motor;
The mouth of described assist motor connects described motor current detecting circuit, and the mouth of described motor current detecting circuit connects photoelectric isolating circuit.
Advantageous Effects of the present utility model is:
The utility model without the need to the necessary power steering oil pump of hydraulic power steering system, hydraulic oil, flexible pipe, belt pulley and belt conveyor, so volume reduces, easily adjustment, assembling flexibly, more energy-conservation.
The utility model more adapts to the development of future automobile technology, i.e. more intelligent and line traffic control, and determined due to productive costs, and the cost of electronics integrated equipment will lower than mechanical equipment, so can reduce the cost of automobile.
The utility model is also provided with the feedback control loop of assist motor, makes control of the present utility model more accurate, stable, has real-time.
Accompanying drawing explanation
Fig. 1 is schematic diagram of the present utility model.
Detailed description of the invention
Fig. 1 is schematic diagram of the present utility model.The utility model comprises detection module 1, control module 2, execution module 3, detection module 4, Vehicular accumulator cell 5;
Detection module 1 comprises voltage conversion circuit 11, torque sensor 12, angular transducer 13, car speed sensor 14; Control module 2 comprises controller 25, input signal interface circuits 2, voltage conversion circuit 22, relay driving 23, motor control logic circuit 24; Execution module 3 comprises photoelectric isolating circuit 31, relay protection circuit 32, H bridge circuit for controlling motor 33, assist motor 34; Detection module 4 comprises motor current detecting circuit 41;
Vehicular accumulator cell 5 connects voltage conversion circuit 11, voltage conversion circuit 22 and photoelectric isolating circuit 31 respectively;
Voltage conversion circuit 11 is respectively torque sensor 12, angular transducer 13, car speed sensor 14 provide voltage, the 5V voltage that to be detection module 1 by the 12V voltage transitions of Vehicular accumulator cell 5 be suitable for.Torque sensor 12, angular transducer 13, car speed sensor 14 all connect input signal interface circuits 21.
The 5V voltage that the 12V voltage transitions of Vehicular accumulator cell 5 is controller 25 by the signal input part of voltage conversion circuit 22 and input signal interface circuits 21 all connection control device 25 is suitable for; The signal output part of controller 25 connects relay drive circuit 23, motor control logic circuit 24 and fault detector 26;
The mouth of described relay drive circuit 23, motor control logic circuit 24 connects photoelectric isolating circuit 31, the mouth of photoelectric isolating circuit 31 connects relay protection circuit 32 and H bridge circuit for controlling motor 33, and the mouth of relay protection circuit 32 connects assist motor 34;
The mouth of assist motor 34 connects the input end of motor current detecting circuit 41, and the mouth of motor current detecting circuit 41 connects photoelectric isolating circuit 31.
In the present system, assist motor 34 need have following characteristics: (1), rotating speed is low, moment of torsion is disturbed greatly, not easily, rotor inertia is little; (2), speed-regulating range width, size is little, power is high, noise is low.So brush permanent magnet direct current motor or brushless DC permanent-magnet motor can have been selected.
The control process of the utility model reality is as follows:
Motorcoach is in operational process, and the torque sensor 12 in detection module 1, angular transducer 13, car speed sensor 14 detect the steering wheel torque of motorcoach, steering angle and the speed of a motor vehicle respectively, and send these information to control module 2.
Signal received by control module 2 is after input signal interface circuits 21 processes, pass to controller 25, controller 25 pairs of incoming signals process, and judge the operation intention of chaufeur and the actual travel situation of vehicle, calculate suitable assist motor target current.And by relay drive circuit 23, motor control logic circuit 24, control signal is passed to execution module 3.The operating troubles of fault detector 26 display control switch 25, so that chaufeur is taken measures in time.
Execution module 3 is responsible for the control signal that control module 2 inputs to be converted to power signal.Photoelectric isolating circuit 31 can be eliminated and interference between control module 2 adjacent circuit.The control signal of controller 25 is converted to pulse width modulating signal by H bridge circuit for controlling motor 33, controls assist motor 34; The size of the input pulse width modulation pulsewidth of control H bridge circuit for controlling motor 33, i.e. the size of adjustable motor input voltage, thus the size changing current of electric and power-assisted.
Execution module 3 also provides current of electric detection signal by checking module 4 to control module 2 simultaneously, form a feedback control loop, adopt closed loop PID control algorithm, the real work electric current of motor and target current are compared, continuous adjustment reduces error, makes assist characteristic meet the operation intention of chaufeur and the practical operation situation of vehicle in real time.
Above-described is only preferred implementation of the present utility model, and the utility model is not limited to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate under the prerequisite not departing from spirit of the present utility model and design, all should think and be included within protection domain of the present utility model.
Claims (1)
1. a motorcoach servo-steering control system, is characterized in that: comprise first detection module (1), control module (2), execution module (3), the second detection module (4) and Vehicular accumulator cell (5);
Described first detection module (1) comprises the first voltage conversion circuit (11), torque sensor (12), angular transducer (13), car speed sensor (14); Described control module (2) comprises controller (25), input signal interface circuits (21), the second voltage conversion circuit (22), relay drive circuit (23), motor control logic circuit (24); Described execution module (3) comprises photoelectric isolating circuit (31), relay protection circuit (32), H bridge circuit for controlling motor (33), assist motor (34); Described second detection module (4) comprises motor current detecting circuit (41);
Described Vehicular accumulator cell (5) connects the first voltage conversion circuit (11), the second voltage conversion circuit (22) and relay protection circuit (32) respectively;
Described first voltage conversion circuit (11) is respectively described torque sensor (12), angular transducer (13), car speed sensor (14) provide voltage; The mouth of described torque sensor (12), angular transducer (13), car speed sensor (14) all connects described input signal interface circuits (21);
The input end of described second voltage conversion circuit (22) and described input signal interface circuits (21) all connection control device (25); The mouth of described controller (25) connects relay drive circuit (23), motor control logic circuit (24) and fault detector (26);
The mouth of described relay drive circuit (23), motor control logic circuit (24) connects described photoelectric isolating circuit (31), the mouth of photoelectric isolating circuit (31) connects relay protection circuit (32) and H bridge circuit for controlling motor (33), and the mouth of described relay protection circuit (32) connects assist motor (34);
The mouth of described assist motor (34) connects described motor current detecting circuit (41), and the mouth of described motor current detecting circuit (41) connects photoelectric isolating circuit (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651872.4U CN204978824U (en) | 2015-08-26 | 2015-08-26 | Motor bus power assisted steering control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520651872.4U CN204978824U (en) | 2015-08-26 | 2015-08-26 | Motor bus power assisted steering control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204978824U true CN204978824U (en) | 2016-01-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520651872.4U Expired - Fee Related CN204978824U (en) | 2015-08-26 | 2015-08-26 | Motor bus power assisted steering control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204978824U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564527A (en) * | 2016-10-28 | 2017-04-19 | 西安合众思壮导航技术有限公司 | Method and device for controlling vehicle hydraulic steering system |
| CN114228825A (en) * | 2021-12-27 | 2022-03-25 | 天津德科智控股份有限公司 | Electric power steering control system and method |
-
2015
- 2015-08-26 CN CN201520651872.4U patent/CN204978824U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106564527A (en) * | 2016-10-28 | 2017-04-19 | 西安合众思壮导航技术有限公司 | Method and device for controlling vehicle hydraulic steering system |
| CN106564527B (en) * | 2016-10-28 | 2019-09-13 | 西安合众思壮导航技术有限公司 | A kind of control method of vehicle hydraulic steering system |
| CN114228825A (en) * | 2021-12-27 | 2022-03-25 | 天津德科智控股份有限公司 | Electric power steering control system and method |
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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: 20160120 Termination date: 20210826 |