CN105700419A - Control method and device of whole vehicle controller and whole vehicle control method and system - Google Patents
Control method and device of whole vehicle controller and whole vehicle control method and system Download PDFInfo
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- CN105700419A CN105700419A CN201410712906.6A CN201410712906A CN105700419A CN 105700419 A CN105700419 A CN 105700419A CN 201410712906 A CN201410712906 A CN 201410712906A CN 105700419 A CN105700419 A CN 105700419A
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Abstract
The invention provides a control method and device of a whole vehicle controller and a whole vehicle control method and system. The control method of a whole vehicle controller comprises a step of storing the driving parameter of a vehicle in a driving process, a step of judging whether whole vehicle controller is normally powered and initialized or is failed to trigger the initialization after controller reset according to the stored driving parameter when the whole vehicle controller of the vehicle is initialized to run, and a step of controlling the whole vehicle controller to switch to an operation state before reset when the condition that the whole vehicle triggers the controller reset due to a failure is judged. Through the control method and device of a whole vehicle controller and the whole vehicle control method and system, the stable operation of the whole vehicle controller can be ensured, at the same time the continuity of a controller operating state can be ensured, and thus the drivability of the vehicle is not affected.
Description
Technical field
The present invention relates to technical field of vehicle control, particularly relate to the control method of a kind of entire car controller, device and control method of finished, system。
Background technology
In the driving process of vehicle, due to the problem of software or hardware, in order to ensure the stable operation of controller, it is possible to entire car controller (VehicleControlUnit, VCU) can be triggered and reset。Therefore, after entire car controller resets to properly functioning process, its signal being sent to other vehicle control devices by controller local area network (ControllerAreaNetwork, CAN) is likely to interrupt or change。When this occurs, vehicle can show as and run out of steam, until stopping, thus the properly functioning of vehicle is impacted。
Summary of the invention
The problem that the embodiment of the present invention solves is how to avoid entire car controller to break down to affect vehicle operation when triggering reset。
For solving the problems referred to above, the embodiment of the present invention provides the control method of a kind of entire car controller, including: preserve the driving parameters of vehicle in the process of moving；When the entire car controller initial launch of vehicle, according to the described driving parameters preserved, it is judged that described entire car controller is the initialization after normal power-up initializing or controller reset；Initialization after the fault type judging described entire car controller resets as controller, controls described entire car controller and switches to the running status before occurring that resets。
Optionally, described driving parameters includes: judge the parameter of described vehicle whether wheeled and the parameter of described vehicle operating system operational mode。
Optionally, described according to the described driving parameters preserved, it is judged that the initialization that described entire car controller is after normal power-up initializing or controller reset includes: the described vehicle wheeled parameter of detection preservation and the state of described running software mode parameter；When the state of described vehicle wheeled parameter Yu described running software mode parameter be can running status time, it is determined that described entire car controller be controller reset after initialization。
For solving above-mentioned technical problem, present invention also offers a kind of control method of finished, including: the repositioning method of entire car controller described above, also include: when Parts Controller is suitable to the signal not receiving described entire car controller in Preset Time, keep last signal using described entire car controller to send。
For solving above-mentioned technical problem, present invention also offers a kind of entire car controller, including: memory element, for preserving the driving parameters of vehicle in the process of moving；Judging unit, for when the entire car controller initial launch of vehicle, according to the described driving parameters preserved, it is judged that described entire car controller is the initialization after normal power-up initializing or controller reset；Control unit, for when judging the initialization after the fault type of described entire car controller resets as controller, controlling the running status before described entire car controller switches to the generation that resets。
Optionally, described driving parameters includes: judge the parameter of described vehicle whether wheeled and the parameter of described vehicle operating system operational mode。
Optionally, described judging unit includes: detection sub-unit, for detecting the described vehicle wheeled parameter of preservation and the state of described running software mode parameter；Judge subelement, for when the state of described vehicle wheeled parameter Yu described running software mode parameter be can running status time, it is determined that described entire car controller be controller reset after initialization。
Optionally, described driving parameters is stored in non-volatile memory cells by described memory element。
In order to solve above-mentioned technical problem, the embodiment of the invention also discloses a kind of whole-control system, including Parts Controller and above-mentioned entire car controller；When described Parts Controller is suitable to the signal not receiving described entire car controller in Preset Time, keep last signal using described entire car controller to send。
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantage that
Differentiate that entire car controller is initialize after normal power-up initializing still resets by the vehicle driving parameters preserved, when judge described entire car controller as controller reset after initialization time, control the running status before described entire car controller is directly entered reset, ensureing that saltus step will not occur the command signal that other controllers receive from entire car controller, the driving making vehicle is unaffected。
Accompanying drawing explanation
Fig. 1 is the flow chart of the control method of a kind of entire car controller of the embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the restarting process of a kind of entire car controller of the embodiment of the present invention；
Fig. 3 is the schematic flow sheet of a kind of control method of finished of the embodiment of the present invention；
Fig. 4 is the structural representation of a kind of entire car controller of the embodiment of the present invention；
Fig. 5 is the structural representation of a kind of whole-control system of the embodiment of the present invention。
Detailed description of the invention
Entire car controller is one of key components and parts of vehicle。As the tension management unit that vehicle electric controls, it is responsible for the controller with each system aspects key components and parts of car load, as the coordination between each big systems such as battery management system, electric machine control system, electric boosting steering system, electronic brake system,electronic antiskid system, air conditioning warm air system, converting system, Vehicular charger controls。In the driving process of vehicle, it may occur that the problem of various softwares or hardware, for ensureing controller stable operation, it is possible to can cause that entire car controller resets。Therefore resetting at entire car controller returns back in properly functioning process, and its signal being sent to other vehicle control devices by controller local area network is likely to interrupt or change。When this occurs, vehicle can show as and run out of steam, until stopping。Thus the properly functioning of vehicle is impacted。Now driver is if it is desired to again travel, it is necessary to performs to twist automobile key action, restarts automobile, therefore the driving of vehicle can be produced impact。
By the vehicle driving parameters preserved, the embodiment of the present invention differentiates that entire car controller is the initialization after normal power-up initializing or controller reset。When judging that described entire car controller is as the initialization after controller reset, the then driving parameters of record in driving process, control the running status before described entire car controller is directly entered reset, ensureing that saltus step will not occur the command signal that other controllers receive from entire car controller, the driving making vehicle is unaffected。
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with accompanying drawing, specific embodiments of the invention are described in detail。
Embodiments provide the control method of a kind of entire car controller, with reference to Fig. 1, be described in detail below by way of concrete steps。
Step S101, preserves the driving parameters of vehicle in the process of moving。
In being embodied as, above-mentioned driving parameters can include judging the parameter of described vehicle whether wheeled and the parameter of described vehicle operating system operational mode。Described judge that the described vehicle whether parameter of wheeled and the parameter of described vehicle operating system operational mode are the variablees of vehicle control system internal calculation。In actual applications, the Consideration of above-mentioned parameter may include that whether battery is normal and output energy of having the ability；Whether motor normally can work；Whether oil pump can normal operation or whether at shelves；Whether gear information is normal；Whether key is antitheft passes through。
Specifically, in the Consideration of above-mentioned parameter, whether normal and output energy of having the ability the detection object of described battery includes: whether battery status is normal, and whether vehicle main relay closes, and whether battery discharge ability and fan-out capability be limited。In actual applications, it is possible to above-mentioned detection object is set threshold value by the practical situation for vehicle, to determine that whether battery is normal and output energy of having the ability。
In the Consideration of above-mentioned parameter, whether described oil pump can normal operation or whether include at the detection object of shelves: whether oil pump can normally buy oil, or whether the lock unit of vehicle is at shelves。In actual applications, it is possible to above-mentioned detection object is set threshold value by the practical situation for vehicle, to determine that oil pump whether can normal operation or whether at shelves。
In the reference factor of above-mentioned parameter, whether normally described gear information detection object includes: whether gear can normally hang shelves, if namely driver asks to hang shelves, and can normal response。In actual applications, it is possible to above-mentioned detection object is set threshold value by the practical situation for vehicle, to determine that whether gear information is normal。
In the reference factor of above-mentioned parameter, the antitheft detection object whether passed through of described key includes: whether key is antitheft passes through。In actual applications, it is possible to above-mentioned detection object is set threshold value by the practical situation for vehicle, whether pass through determining that key is antitheft。
In being embodied as, described driving parameters can be stored in non-volatile memory cells (nvram)。In existing entire car controller, the parameter recorded in the process of moving is owing to being not stored in non-volatile memory cells, and therefore when the entire car controller of vehicle breaks down, the parameter preserved in system storage can be lost。By described driving parameters can be stored in nonvolatile memory, it is possible to the described driving parameters according to record, thus judging running status when entire car controller reset occurs。
Step S102, when the entire car controller initial launch of vehicle, according to the described driving parameters preserved, it is judged that described entire car controller is the initialization after normal power-up initializing or controller reset。
Such as, for the parameter of described vehicle whether wheeled, 0 represents that vehicle can not travel, and 1 represents vehicle wheeled。When detecting that described vehicle whether wheeled parameter becomes 0 from 1, represent vehicle from can transport condition become can not transport condition。For the parameter of described operational mode, when the operational mode of vehicle operating system is become inoperative from normal operation mode, represent that the software control system of vehicle is closed from properly functioning becoming。
When described entire car controller is when initial launch, by the variable of above-mentioned preservation, detect vehicle be in can transport condition, and software pattern is in normal operation mode, then may determine that vehicle breaks down under normal operating conditions and triggers controller and reset。
Step S103, when judging that described entire car controller is as, when initializing after resetting, controlling described entire car controller and switch to the state before reset fault occurs。
As in figure 2 it is shown, in the prior art, when the trigger controller that breaks down resets, entire car controller needs process to reinitialize and these steps of power up could enter normal operating condition。And in an embodiment of the present invention, when judging that entire car controller resets as fault trigger controller, entire car controller, after completing self-inspection, can skip initialization and power up, according to the driving parameters of record in driving process, it is directly entered the running status before reset fault。
In being embodied as, owing to judging whether described vehicle exists corresponding relation between the parameter of wheeled and the detection object of the parameter of described vehicle operating system operational mode and corresponding Parts Controller, therefore when be judged as controller break down trigger controller reset after, described detection object directly can be set to the numerical value corresponding with above-mentioned parameter by described whole-control system, so that described entire car controller enters the state before resetting。
The embodiment of the present invention, according to the described vehicle wheeled variable stored and running software pattern variable, is directly entered the running status before occurring that resets, has ensured the stable operation of vehicle。Owing to not restarting according to original operating process, therefore perform the operation turning automobile key again to recover vehicle power without driver, thereby may be ensured that drivability is unaffected。
The embodiment of the invention also discloses a kind of control method of finished, as it is shown on figure 3, described control method of finished includes:
Step S201, preserves the driving parameters of vehicle in the process of moving。
Step S202, when the entire car controller initial launch of vehicle, according to the described driving parameters preserved, it is judged that described entire car controller is to initialize after normal power-up initializing or controller reset。
Step S203, when judging to initialize after described entire car controller resets as controller, controls described entire car controller and switches to the running status before occurring that resets。
Step S204, when Parts Controller is suitable to the signal not receiving described entire car controller in Preset Time, keeps last signal using described entire car controller to send。
Compared with the control method of the entire car controller in previous embodiment, the control method of finished of the present embodiment also Parts Controller to vehicle, arrange as electric machine controller, electric booster steering controller etc. have carried out corresponding control, namely one Preset Time is set by the Parts Controller that described step S204 is vehicle, as the patient time waiting entire car controller signal。In described Preset Time, the Parts Controller of vehicle can keep last signal that entire car controller sends。If beyond described Preset Time, the Parts Controller of vehicle does not receive the signal of entire car controller, then reset to defaults by this signal。
The reset fault of entire car controller from the time occurring to recovery should less than Parts Controller arrange described Preset Time, to keep stablizing of vehicle-state。Therefore in actual applications, it is possible to by testing the resetting time needed for entire car controller, described Preset Time is set。In being embodied as, it is possible to be set to Millisecond, can be generally about 200 milliseconds。Only described Preset Time need to be set to slightly larger than described resetting time。
The embodiment of the invention also discloses a kind of entire car controller。As shown in Figure 4, described entire car controller 30 includes: memory element 301, for preserving the driving parameters of vehicle in the process of moving；Judging unit 302, for when the entire car controller initial launch of vehicle, according to the described driving parameters preserved, it is judged that described entire car controller is to initialize after normal power-up initializing or reset；Control unit 303, for when judging that described entire car controller is as, when initializing after resetting, controlling described entire car controller and switch to the running status before occurring that resets。
In being embodied as, described driving parameters may include that the parameter of parameter and the described vehicle operating system operational mode judging described vehicle whether wheeled。
In being embodied as, described judging unit 302 may include that detection sub-unit, for detecting described vehicle wheeled parameter and the described running software mode parameter state before fault occurs；Judge subelement, for when state before fault occurs of described vehicle wheeled parameter and described running software mode parameter be can running status time, it is determined that described entire car controller is initialize after controller resets。
In being embodied as, described driving parameters is stored in non-volatile memory cells by described memory element 301。
The embodiment of the invention also discloses a kind of whole-control system。As it is shown in figure 5, described whole-control system includes Parts Controller 40 and above-mentioned entire car controller 30；When described Parts Controller 40 is suitable to the signal not receiving described entire car controller 30 in Preset Time, keep last signal using described entire car controller 30 to send。If it exceeds described Preset Time, then described signal parameter is reset to defaults。
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment can be by the hardware that program carrys out instruction relevant and completes, this program can be stored in a computer-readable recording medium, and storage medium may include that ROM, RAM, disk or CD etc.。
Although present disclosure is as above, but the present invention is not limited to this。Any those skilled in the art, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should be as the criterion with claim limited range。
Claims (9)
1. the control method of an entire car controller, it is characterised in that including:
Preserve the driving parameters of vehicle in the process of moving；
When the entire car controller initial launch of vehicle, according to the described driving parameters preserved, it is judged that described entire car controller is the initialization after normal power-up initializing or controller reset；
Initialization after the fault type judging described entire car controller resets as controller, controls described entire car controller and switches to the running status before occurring that resets。
2. the control method of entire car controller as claimed in claim 1, it is characterised in that described driving parameters includes: judge the parameter of described vehicle whether wheeled and the parameter of described vehicle operating system operational mode。
3. the control method of entire car controller as claimed in claim 2, it is characterised in that described according to the described driving parameters preserved, it is judged that the initialization that described entire car controller is after normal power-up initializing or controller reset includes:
The described vehicle wheeled parameter of detection preservation and the state of described running software mode parameter；
When the state of described vehicle wheeled parameter Yu described running software mode parameter be can running status time, it is determined that described entire car controller be controller reset after initialization。
4. a control method of finished, it is characterised in that including: the control method of the entire car controller as described in claim 1-3, also includes:
When Parts Controller is suitable to the signal not receiving described entire car controller in Preset Time, keep last signal using described entire car controller to send。
5. an entire car controller, it is characterised in that including:
Memory element, for preserving the driving parameters of vehicle in the process of moving；
Judging unit, for when the entire car controller initial launch of vehicle, according to the described driving parameters preserved, it is judged that described entire car controller is the initialization after normal power-up initializing or controller reset；
Control unit, for when judging the initialization after the fault type of described entire car controller resets as controller, controlling the running status before described entire car controller switches to the generation that resets。
6. entire car controller as claimed in claim 5, it is characterised in that described driving parameters includes: judge the parameter of described vehicle whether wheeled and the parameter of described vehicle operating system operational mode。
7. entire car controller as claimed in claim 6, it is characterised in that described judging unit includes:
Detection sub-unit, for detecting the described vehicle wheeled parameter of preservation and the state of described running software mode parameter；
Judge subelement, for when the state of described vehicle wheeled parameter Yu described running software mode parameter be can running status time, it is determined that described entire car controller be controller reset after initialization。
8. entire car controller as claimed in claim 5, it is characterised in that described driving parameters is stored in non-volatile memory cells by described memory element。
9. a whole-control system, it is characterised in that include Parts Controller and the entire car controller as described in any one of claim 5-8；
When described Parts Controller is suitable to the signal not receiving described entire car controller in Preset Time, keep last signal using described entire car controller to send。
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