CN102279911B - Host system and vibration protecting method, vibrating mode judging circuit and method thereof - Google Patents
Host system and vibration protecting method, vibrating mode judging circuit and method thereof Download PDFInfo
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- CN102279911B CN102279911B CN2010102065680A CN201010206568A CN102279911B CN 102279911 B CN102279911 B CN 102279911B CN 2010102065680 A CN2010102065680 A CN 2010102065680A CN 201010206568 A CN201010206568 A CN 201010206568A CN 102279911 B CN102279911 B CN 102279911B
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Abstract
The invention discloses a host system and a vibration protecting method and a vibrating mode judging circuit and method thereof. The host system comprises a control module and a vibration protecting circuit. The vibration protecting circuit can judge the vibrating mode of a vibrating environment when judging that the host system is in a vibrating environment. The vibration protecting circuit determines whether to start a protection mechanism according to a user setting when judging that the vibrating mode of the vibrating environment is a periodical vibrating mode. Otherwise, the vibration protecting circuit starts the protection mechanism forcedly to protect the host system when judging that the vibrating mode of the vibrating environment is a random vibrating mode.
Description
Technical field
The invention relates to a kind of guard method of host computer system, and particularly relevant for a kind of vibration mode according to host computer system, and whether decision starts the guard method of the protection mechanism of host computer system.
Background technology
In some host computer systems, accelerometer can be installed at present, detect the gravity value of host computer system on the reference axes of coordinates in space.In some known host computer systems, when judging the detected gravity value change of accelerometer, judge that then host computer system works under the environment of vibration.At this moment, these known host computer systems can start a protection mechanism, and data access carry out in for example quiescing system, or reduce the speed of data access, come the unlikely damage of data in the protected host system, can't operate to avoid host computer system.
Although known method is the protected host system effectively, yet can produce some blind spots.For example, when the residing vibration environment of host computer system is periodic vibration mode, in some cases still can normal operation.Yet, in known method, as long as being operated under the environment of vibration, host computer system works, and protection mechanism will be activated.Therefore, known mode can cause the task performance of host computer system to descend, and allows the user that many puzzlements occur.
Summary of the invention
Therefore, the invention provides a kind of host computer system, can under vibration environment, guarantee that the data in the host computer system can not damaged, and can improve treatment efficiency.
The present invention also provides a kind of decision circuitry and a kind of determination methods of vibration mode, can judge effectively whether a host computer system is operated under the vibration environment, and can judge the vibration mode of vibration environment.
The present invention more provides a kind of vibration protection method of host computer system, in the time of can working as host computer system and work under vibration mode, judges the vibration mode of vibration environment, and as whether the reference of starting protection mechanism.
The invention provides a kind of host computer system, comprise control module and vibration protection circuit.When vibration protection circuit judges host computer system is in vibration environment lower time, then can judge the vibration mode of this vibration environment.When if the vibration mode of this vibration environment of vibration protection circuit judges is periodic vibration, then can sets according to a user, and determine whether to start a protection mechanism.Relatively, if when vibration protection circuit judges vibration mode is random vibration, then can the force start protection mechanism, with the protected host system.
In one embodiment of this invention, control module comprises a storage device, and it is equipped with an operating system.When the vibration mode of the residing vibration environment of vibration protection circuit judges host computer system was the random vibration pattern, then quiescing system carried out the access of data to storage device.
From another viewpoint, the invention provides a kind of decision circuitry of vibration mode, comprise detecting unit, sampling unit, the first comparer, cutting unit, the second comparer and decision package.Detecting unit can detect the gravity value on the reference coordinate axle of a host computer system in a space, and produces a gravity value signal to sampling unit.Therefore, sampling unit can be taken a sample to the gravity value signal, and obtains a plurality of sampling spots.In addition, whether the first comparer then can compare each sampling spot and drop in the preset range, and produces a probability value set, and it has a plurality of probability values.At this moment, cutting unit can be divided into this probability value set a plurality of probability value subclass, and sends respectively the second comparer to.And the second comparer can be compared at present received probability value subclass and adjacent probability value subclass, and the comparison data that produces is to decision package.Whereby, whether decision package can consistent according to the probability value in the probability value set, and judges whether host computer system is in a vibration environment, and when definite host computer system is in this vibration environment, judges the vibration mode of vibration environment according to the comparison data.
From another viewpoint; the present invention also provides a kind of vibration protection software of host computer system; comprise and carry out a sample procedure; to represent host computer system in the space during at least one gravity value signal with reference to the gravity value on the coordinate values receiving; this gravity value signal is taken a sample, and obtain a plurality of sampling spots.Then, carry out one first comparison program, relatively whether each sampling spot drops in the preset range exactly, and produces a probability value set, and it is comprised of a plurality of probability values.In addition, carry out a segmentation procedure and one second comparison program, take with this probability set-partition as a plurality of probability value subclass, and with the probability value in each probability value subclass, respectively with adjacent probability value subclass in the probability value compare, and produce a comparison data.At this moment, carry out a defence program, be exactly according to the consistent and comparison data whether of the probability value in the probability value set, and determine whether start a protection mechanism, come the protected host system.
In first comparison program of one embodiment of the invention, when sampling spot wherein one when dropping in the preset range, the probability value that then produces is 1.Relatively, and when another of sampling spot dropped on preset range outer, then producing the probability value was 0.
In addition, in defence program, whether be one to fall to falling state according to host computer system more, and whether determine starting protection mechanism.
From another viewpoint, the present invention also provides a kind of determination methods of vibration mode, is applicable to a host computer system.Determination methods provided by the present invention comprises that detecting first the gravity value with reference to axes of coordinates of host computer system in the space changes, and produces a gravity value signal.Then, this gravity value signal is taken a sample, and obtain a plurality of sampling spots.At this moment, judge whether each those sampling spot falls within the preset range, and produce the probability value set with a plurality of probability values, and this probability value set is divided into a plurality of probability value subclass.When if the probability value in the probability value set is inconsistent, judge that then host computer system is in a vibration environment.At this moment, with the probability value in each probability value subclass, compare with probability value in the adjacent probability value subclass, to judge the vibration mode of the residing vibration environment of host computer system.
In one embodiment of this invention, if judge the probability value in each probability value subclass, with the number of the two difference of probability value in the adjacent probability value subclass, during all less than a preset value, then judge the residing vibration environment of host computer system, be the periodic vibration pattern.On the contrary, if judge these probability value subclass wherein one in the probability value, with the number of the two difference of probability value in the adjacent probability value subclass, when arriving preset value, then judging in host computer system to be at least part of in period of vibration environment, is the random vibration pattern.
Because the present invention can by the variation of analyzing gravity value, judge whether starting protection mechanism.Therefore, the present invention can in the situation that guarantee host computer system safety, be lifted at the task performance under the vibration environment effectively.
Description of drawings
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated, wherein:
Fig. 1 illustrates and is the calcspar according to a kind of host computer system of a preferred embodiment of the present invention.
Fig. 2 A-Fig. 2 C illustrates respectively the oscillogram into the gravity value signal under the different situations.
Fig. 3 illustrates and is the system block diagrams according to a kind of decision-making module of a preferred embodiment of the present invention.
Fig. 4 A-Fig. 4 C illustrates the schematic diagram of the program of different gravity value signals being carried out for decision-making module.
Fig. 5 illustrates and is the flow chart of steps according to the determination methods of a kind of vibration mode of a preferred embodiment of the present invention.
The main element symbol description:
100: host computer system
110: control module
112: storage device
114: operating system
120: the vibration protection circuit
122: detecting unit
124: decision package
302: sampling unit
304: the first comparers
306: cutting unit
308: the second comparers
310: decision package
402,404,406: sampling spot
A1: predeterminable area
COM: comparison data
PS: probability value set
PS ' [1:n]: probability value subclass
T
K: the gravity value signal
Embodiment
The spirit that the present invention is main is to be operated in vibration environment lower time when host computer system, judges the vibration mode of this vibration environment.If the vibration mode of vibration environment is periodic vibration, meeting then of the present invention is according to user's setting, determines whether starting protection mechanism, in the situation that unnecessary, reduces the task performance of host computer system to avoid.Yet if the vibration mode of vibration environment is the random vibration pattern, the present invention understands the force start protection mechanism, is not damaged to guarantee the data in the host computer system, so that host computer system can't normal operation.
Fig. 1 illustrates and is the calcspar according to a kind of host computer system of a preferred embodiment of the present invention.Please refer to Fig. 1, the host computer system 100 that the present embodiment provides comprises control module 110 and vibration protection circuit 120.Wherein, vibration protection circuit 120 couples control module 110, and it is used for judging whether host computer system 100 operates under a vibration environment.Be operated in vibration environment lower time and judge host computer systems 100 when vibration protection circuit 120, then according to the vibration mode of vibration environment, determine whether control module 110 is started a protection mechanism, with protected host system 100.
In the present embodiment, host computer system 100 can be MP3 playing device, GPS, stocking system, computer system, server system, personal digital assistant device, pouch-type computer apparatus or device for mobile communication.
Fig. 2 A-Fig. 2 C illustrates respectively the oscillogram into the gravity value signal under the different situations.Gravity value signal T in these embodiments
K, can be that representative is perpendicular to the variation of the gravity value on the reference axes of coordinates of the reference planes at host computer system 100 places.Yet the present invention is not as limit.What wherein, Fig. 2 A illustrated is at the lower gravity value signal T that is measured of the environment of static state
KIn addition, Fig. 2 B and Fig. 2 C illustrate, and are respectively detected gravity value signal T under the vibration environment of periodic vibration pattern and random vibration pattern
K
Fig. 3 illustrates and is the system block diagrams according to a kind of decision-making module of a preferred embodiment of the present invention.Please refer to Fig. 3, the decision-making module 124 that the present embodiment provides can utilize hardware to realize, can certainly realize with the form of application software.In the present embodiment, decision-making module 124 comprises sampling unit 302, the first comparer 304, cutting unit 306, the second comparer 308 and decision package 310.Wherein, sampling unit 302 couples the first comparer 304, the first comparers 304 and then couples cutting unit 306.In addition, cutting unit 306 couples the second comparer 308, the second comparers 308 and then jointly is coupled to decision package 310 with the first comparer 304.In addition, decision package 310 can with control module 110 lines.
Fig. 4 A-Fig. 4 C illustrates the schematic diagram of the program of different gravity value signals being carried out for decision-making module.Please first with reference to Fig. 1, Fig. 3 and Fig. 4 A, as detecting unit 122 output gravity value signal T
KWhen giving decision-making module 124, sampling unit 302 can receive this gravity value signal T
K, and carry out a sample procedure, exactly the gravity value signal T to receiving
KTake a sample, and obtain a plurality of sampling spots, for example the sampling spot 402 among Fig. 4 A, 404 and 406.In the present embodiment, sampling unit 302 is every the 100ms sampling once.Yet this area has knows that usually the knowledgeable can be according to the needs of reality, and shortens the cycle of sampling, can't affect spirit of the present invention.
As 302 pairs of gravity value signals of sampling unit T
KTake a sample complete after, the first comparer 304 can carry out one first comparison program, relatively whether each sampling spot drops in the predeterminable area A1 exactly, and produces the probability value set PS that is comprised of a plurality of probability values.In the present embodiment, judge that when the first comparer 304 wherein a sampling spot drops in the predeterminable area A1, then can be produced as 0 probability value.Relatively, if the first comparer 304 judges that another sampling spot drops on outside the predeterminable area A1, then the probability value of output just is 1.
Take Fig. 4 A as example, the gravity value signal T that it illustrates
K, be to represent the environment that host computer system 100 is positioned at a static state.Therefore as can be seen from Figure 4A, all sampling spots all fall within the predeterminable area A1.Therefore, the probability value set PS that exports of the first comparer 304
ABe [0,0,0,0,0,0,0,0,0,0].
Relatively, if host computer system 100 is positioned under the periodic vibration environment, 302 pairs of gravity value signals of sampling unit T then
KThe result of sampling can be shown in Fig. 4 B.At this moment, after each sampling spot carries out the first comparison program among 304 couples of Fig. 4 B of the first comparer, the probability value set PS that obtains
BWill be [0,0,0,0,0,0,0,0,0,1].
In addition, Fig. 4 C then illustrates for be operated in the lower time of vibration environment of random vibration pattern when host computer system 100, to the gravity value signal T that is measured
KCarry out the schematic diagram of sample procedure.After each sampling spot carries out the first comparison program in 304 couples of Fig. 4 C of the first comparer, the probability value set PS that obtains
CWill be [0,1,1,0,1,1,0,1,0,0].
After the first comparison program executes, cutting unit 306 can receive the probability value set PS that the first comparer 304 produces, and carry out a segmentation procedure, exactly probability value set PS is divided into a plurality of probability value subclass PS ' [1:n], wherein n is the integer greater than 1.With probability value set PS
ABe example, it can be divided into the first probability value subclass PS '
B[1]: [0,0,0,0,0] and the second probability value subclass PS '
B[2]: [0,0,0,0,1].Similarly, probability value set PS
CCan be split into the first probability value subclass PS '
C[1]: [0,1,1,0,1] and the second probability value subclass PS '
C[2]: [1,0,1,0,0].
Then, these probability value subclass PS ' [1:n] can be sent to the second comparer 308, to carry out the second comparison program.In the second comparison program, the probability value in each probability value subclass, can with adjacent probability value subclass in the probability value relatively, and obtain a comparison data COM.With above-mentioned adjacent probability value subclass PS '
B[1] and PS '
B[2] be example, because the probability value in the said two devices only has the value of last probability value to differ from one another, the comparison data COM that therefore obtains
BValue just be 1.Relatively, at probability value subclass PS '
C[1] and PS '
C[2] in, because the value of first probability value, second probability value and the 5th probability value differs from one another, therefore by probability value subclass PS '
C[1] and PS '
C[2] the comparison data COM that produces
CValue will be 3.
Behind the second comparer 308 output comparison data COM, this comparison data COM can be sent to decision package 310.At this moment, decision package 310 is understood according to probability value set PS and comparison data, and carries out a defence program.
In more detail, after decision package 310 receives probability value set PS, can whether consistent according to the probability value in probability value set PS, whether under vibration environment, work to judge host computer system 100.Take above-mentioned as example, because at probability value set PS
AIn the probability value all be 0.Therefore, receive probability value set PS when decision package 310
AThe time, will judge that host computer system 100 is to work under the environment of static state, therefore starting protection is not machine-processed.
Relatively, receive probability value set PS when decision package 310
BAnd PS
CThe time, can find that probability value wherein is also inconsistent.Therefore, decision package 310 can judge that host computer system 100 is to work under vibration environment.At this moment, whether decision package 310 can arrive a preset value according to the value of comparison data COM, determines whether starting protection mechanism.
In the present embodiment, preset value can be set to 3.Therefore, receive comparison data COM when decision package 310
BThe time, can be because comparison data COM
BValue (being 1) do not arrive preset value, and judge that the vibration mode of the vibration environment at host computer system 100 places is periodic vibration patterns.At this moment, decision package 310 can be according to user's setting, determines whether that starting protection mechanism comes protected host system 100.
Relatively, if decision package 310 is received comparison data COM
C, then can be because of comparison data COM
CValue reach preset value, and judge that the vibration mode of the vibration environment at host computer system 100 places is random vibration patterns.At this moment, decision package 310 can come protected host system 100 to control module 110 force start protection mechanisms, to avoid inner data damage.
In other embodiment, whether decision package 310 can be one to fall to falling state according to host computer system 100 also, and whether determines starting protection mechanism.
In addition, in the present embodiment, control module 110 has a storage device 112, for example is hard disk or storer, and it can install an operating system 114.When decision package 310 starting protections when mechanism, can make operating system 114 can't be accessed in data (for example read/write head of forbidden energy hard disk) in the storage device 112, perhaps make host computer system 100 enter the dormancy standby mode.In other embodiment, the protection mechanism that decision package 310 starts can also be forced host computer system 100 shutdown.Thus, just can protect data not to be damaged.
In addition, in the embodiment of some selections, decision package 310 can be set according to the user, and determine to start or the forbidden energy protection mechanism when judging that host computer system 100 operates under the vibration environment of periodic vibration pattern.The other practice, decision package 310 also can be set according to the user, and reduces the speed of data access in 114 pairs of storage devices 112 of operating system, is not the data in total ban operating system 114 accessing storing devices 112.Thus, can protect data not to be damaged, can allow again host computer system 100 keep running.
Fig. 5 illustrates and is the flow chart of steps according to the determination methods of a kind of vibration mode of a preferred embodiment of the present invention.Please refer to Fig. 5, in the present embodiment, at first can as described in the step S502, judge that a host computer system at least one gravity value with reference to axes of coordinates in the space changes, and produce a gravity value signal.Then, can be to this gravity value sample of signal, to obtain a plurality of sampling spots, just as described in the step S504.At this moment, as described in step S506, whether fall within the preset range according to each sampling spot, and produce a probability value set.Wherein, this probability value set is comprised of a plurality of probability values.In addition, the present embodiment can also carry out step S508, judges exactly whether the probability value in the probability value set is consistent.
If the probability value in the probability value set all is consistent (being exactly the "Yes" that step S508 indicates), judge that then host computer system is to work under the environment of static state.Relatively, if in step S508, judge probability value and inconsistent (being exactly the "No" that step S508 indicates) in the probability value set, then can carry out step S510, exactly the probability value set is divided into a plurality of probability value subclass, and as described in the step S512, with the probability value in each probability value subclass, compare with the probability value in the adjacent probability value subclass, and produce a comparison data.
Then, just as described in the step S514, whether the comparison data that determining step S512 obtains arrives a preset value.If the comparison data does not arrive a preset value (being exactly the "No" that step S514 indicates), judge that then host computer system is to work under the vibration environment of periodic vibration pattern.Relatively, arrive above-mentioned preset value (being exactly the "Yes" that step S514 indicates) if judge the comparison data, judge that then host computer system is to work under the vibration environment of random vibration pattern.
In sum, owing to the present invention can compare the probability value in the adjacent probability value subclass, so the present invention can judge the vibration mode of the vibration environment at host computer system place.In addition, the present invention can be according to the difference of vibration mode, and whether determines starting protection mechanism.Therefore, the present invention can promote the task performance of host computer system effectively.
Although the present invention discloses as above with preferred embodiment; so it is not to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when can doing a little modification and perfect, so protection scope of the present invention is when with being as the criterion that claims were defined.
Claims (7)
1. host computer system comprises:
One control module; And
One vibration protection circuit couples this control module, and in order to judging whether this host computer system is under the vibration environment,
Wherein be in this vibration environment lower time when this this host computer system of vibration protection circuit judges, then judge the vibration mode of this vibration environment,
When this this vibration mode of vibration protection circuit judges is periodic vibration, then set according to a user, and determine whether start a protection mechanism, avoid inside information to damage with the operation that changes the normal data access of this control module, and
When this this vibration mode of vibration protection circuit judges is random vibration, this protection mechanism of force start then,
Wherein this vibration protection circuit comprises:
One detecting unit detects respectively this host computer system gravity value at least one reference coordinate axle in a space, and produces a gravity value signal; And
One decision-making module couples this detecting unit, and analyzes this gravity value signal, and to judge this vibration mode, this decision-making module more determines whether start this protection mechanism according to this vibration mode.
2. host computer system as claimed in claim 1 is characterized in that, this decision-making module comprises:
One sampling unit couples this detecting unit, with to this gravity value sample of signal, and obtains a plurality of sampling spots;
One first comparer couples this sampling unit, and relatively whether each those sampling spot drops in the preset range, and produces a probability value set, and it has a plurality of probability values;
One cutting unit couples this first comparer, this probability value set is divided into a plurality of probability value subclass;
One second comparer couples this cutting unit, compares to incite somebody to action at present received probability value subclass and adjacent probability value subclass, and produces a comparison data; And
One decision package; couple this first comparer and this cutting unit; with whether consistent according to the probability value in this probability value set; and judge whether this host computer system is in this vibration environment; and when this host computer system is in this vibration environment, determine whether start this protection mechanism according to this comparison data.
3. host computer system as claimed in claim 1; it is characterized in that; this control module has a storage device; it is equipped with an operating system; and when this this vibration mode of vibration protection circuit judges is the random vibration pattern, then forbid this operating system to this storage device carry out data access, reduce this operating system to the speed of data access in this storage device, force this host computer system to enter the dormancy standby mode and force this host computer system shutdown one of them.
4. host computer system as claimed in claim 1 is characterized in that, this host computer system is MP3 playing device, GPS, stocking system, computer system, personal digital assistant device or device for mobile communication.
5. the vibration protection method of a host computer system comprises the following steps:
Carry out a sample procedure, when receiving the gravity value signal that represents this host computer system gravity value at least one reference coordinate value in a space, this gravity value signal is taken a sample, and obtain a plurality of sampling spots;
Carry out one first comparison program, relatively whether each those sampling spot drops in the preset range, and produces a probability value set, and it has a plurality of probability values;
Carry out a segmentation procedure, this probability value set is divided into a plurality of probability value subclass;
Carry out one second comparison program, with the probability value in each probability value subclass, respectively with adjacent probability value subclass in the probability value compare, and produce a comparison data; And
Carry out a defence program; whether consistent and should the comparison data according to the probability in this probability value set, and determine whether start a protection mechanism, change the operation of the normal data access of this host computer system; to avoid inside information to damage, wherein this defence program comprises:
When the vibration mode of judging this host computer system is the periodic vibration pattern, then sets according to a user, and determine whether make this host computer system keep normal running; And
When the vibration mode of judging this host computer system is the random vibration pattern, then forbid this host computer system carry out the access of data, reduce data access in this host computer system speed, force this host computer system to enter the dormancy standby mode and force this host computer system shutdown one of them.
6. vibration protection method as claimed in claim 5 is characterized in that, in this first comparison program; when one of them drops in this preset range when those sampling spots; the probability value that then produces is 1, and when another of those sampling spots dropped on outside this preset range, then the probability value of generation was 0.
7. whether vibration protection method as claimed in claim 5 is characterized in that, in this defence program, be one to fall to falling state according to this host computer system more, and determine whether to start this protection mechanism.
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| CN1936760A (en) * | 2005-09-23 | 2007-03-28 | 广达电脑股份有限公司 | Portable computer and its safety protection method |
| CN101196845A (en) * | 2007-12-17 | 2008-06-11 | 山东超越数控电子有限公司 | Hard disk protection method |
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| KR100672576B1 (en) * | 2004-10-29 | 2007-01-24 | 엘지전자 주식회사 | Device for checking vibration motor of Mobile phone |
| US8782801B2 (en) * | 2007-08-15 | 2014-07-15 | Samsung Electronics Co., Ltd. | Securing stored content for trusted hosts and safe computing environments |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1936760A (en) * | 2005-09-23 | 2007-03-28 | 广达电脑股份有限公司 | Portable computer and its safety protection method |
| CN101196845A (en) * | 2007-12-17 | 2008-06-11 | 山东超越数控电子有限公司 | Hard disk protection method |
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