CN104546130B - Scanning bed position control method and system - Google Patents
Scanning bed position control method and system Download PDFInfo
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- CN104546130B CN104546130B CN201310525908.XA CN201310525908A CN104546130B CN 104546130 B CN104546130 B CN 104546130B CN 201310525908 A CN201310525908 A CN 201310525908A CN 104546130 B CN104546130 B CN 104546130B
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B90/00—Instruments, implements or accessories specially adapted for surgery or diagnosis and not covered by any of the groups A61B1/00 - A61B50/00, e.g. for luxation treatment or for protecting wound edges
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0407—Supports, e.g. tables or beds, for the body or parts of the body
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/05—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves
- A61B5/055—Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/70—Means for positioning the patient in relation to the detecting, measuring or recording means
- A61B5/704—Tables
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0487—Motor-assisted positioning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/04—Positioning of patients; Tiltable beds or the like
- A61B6/0492—Positioning of patients; Tiltable beds or the like using markers or indicia for aiding patient positioning
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/02—Operational features
- A61B2560/0266—Operational features for monitoring or limiting apparatus function
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B2560/00—Constructional details of operational features of apparatus; Accessories for medical measuring apparatus
- A61B2560/06—Accessories for medical measuring apparatus
Abstract
A kind of scanning bed position control method and system, the scanning bed position control method include：Position feedback device obtains the positional information of scanning bed bed board, and sends the positional information of the scanning bed bed board to scanning bed control device；The scanning bed control device receives the scanning bed bed board positional information, and produces the drive signal of respective direction, controls position switch unit；The position switch unit is according to the drive signal, in the mechanical system that the position feedback device is coupled to scanning bed respective direction.Using methods described and system, the motion of scanning bed multiple directions can be realized using single position feedback device, the quantity of position feedback device is effectively reduced.
Description
Technical field
The present invention relates to scanning bed position control field, more particularly to a kind of scanning bed position control method and system.
Background technology
It is scanning bed to need the motion such as carrying patient's completion level, vertical in clinical diagnostic imaging system, generally all
Installation site feedback device is needed to come the position of feedback scan bed.Position feedback device can be divided into absolute position according to operation principle
Put feedback device and relative position feedback device.
In prior art, the motion for being typically different direction is equipped with independent position feedback device.Scanning bed position
Put feedback device quantity and be generally higher than 2, what is had even needs more position feedback devices.Due to scanning bed in synchronization
The motion of single direction can be carried out, therefore when scanning bed motion, only some position feedback device is in running order, and
Remaining position feedback device is then in holding state, so as to cause the waste of position feedback device resource.
The content of the invention
The problem of the problem of present invention is solved is how effectively to utilize position feedback device.
To solve the above problems, the embodiment of the present invention provides a kind of scanning bed position control method, including：Position feedback dress
The positional information for obtaining scanning bed bed board is put, and sends the positional information of the scanning bed bed board to scanning bed control device；
The scanning bed control device receives the positional information of the scanning bed bed board, and produces the drive signal of respective direction, controls
Position switch unit；The position feedback device is coupled to scanning bed by the position switch unit according to the drive signal
Respective direction mechanical system in.
Optionally, the positional information of the scanning bed bed board includes following at least one：The positional increment of scanning bed bed board
The more specific location information of information and scanning bed bed board.
Optionally, the position feedback device includes：The first position of the positional increment information of feedback scan bed bed board is anti-
Present device, or feedback scan bed bed board more specific location information second place feedback device.
Optionally, the position feedback device obtains the positional information of scanning bed bed board, and by the scanning bed bed board
Positional information sends scanning bed control device to, in addition to：First position feedback device obtains the positional increment of scanning bed bed board
Information, and give position feedback information collecting unit by the positional increment information transmission of the scanning bed bed board；The position feedback
Information acquisition unit collects the positional increment information of the scanning bed bed board, to the positional increment information of the scanning bed bed board
Handled, obtain the more specific location information of scanning bed bed board, and by the more specific location information of the scanning bed bed board and described
The positional increment information transmission of scanning bed bed board gives the scanning bed control device.
Optionally, the position feedback information collecting unit collects the positional increment information of the scanning bed bed board, right
The positional increment information of the scanning bed bed board is handled, including：Positional increment information to the scanning bed bed board is carried out
Migration and scale parameter check and correction.
Optionally, the position feedback information collecting unit collects the positional increment information of the scanning bed bed board, right
The positional increment information of the scanning bed bed board is handled, including：It is proofreaded to the process migration and scale parameter
The positional increment information of scanning bed bed board afterwards carries out time integral, obtains the more specific location information of the scanning bed bed board.
Optionally, in the nonvolatile memory, the position is anti-for the more specific location information storage of the scanning bed bed board
Feedforward information collecting unit reads the more specific location information of the scanning bed bed board from the nonvolatile memory, sends institute to
State scanning bed control device.
Optionally, the nonvolatile memory is ferroelectric memory.
Optionally, the position feedback device obtains the positional information of scanning bed bed board, and by the scanning bed bed board
Positional information sends scanning bed control device to, in addition to：The second place feedback device obtains the scanning bed bed board
More specific location information, and send the more specific location information of the scanning bed bed board to position feedback information collecting unit；Position
Feedback information collecting unit collects the more specific location information of the scanning bed bed board, to the particular location of the scanning bed bed board
Information is handled, and obtains the positional increment information of scanning bed bed board, and by the more specific location information of the scanning bed bed board and
The positional increment information transmission of the scanning bed bed board gives the scanning bed control device.
Optionally, the position feedback information collecting unit collects the more specific location information of the scanning bed bed board, right
The more specific location information of the scanning bed bed board is handled, and obtains the positional increment information of scanning bed bed board, including：To described
The more specific location information of scanning bed bed board carries out differential, obtains the positional increment information of scanning bed bed board.
Optionally, the scanning bed mechanical system includes elevation and subsidence mechanical system and the edge moved along scanning bed lifting direction
The horizontal mechanical system of scanning bed length direction motion.
Optionally, the position switch unit is electromagnetic clutch.
To solve the above problems, the embodiment of the present invention also provides a kind of scanning bed position control system, including：Feed back position
Device, the positional information for obtaining scanning bed bed board, and send the positional information of the scanning bed bed board to scanning bed control
Device processed；Scanning bed control device, for receiving the positional information of scanning bed bed board, and produces the drive signal of respective direction,
Control position switch unit；Position switch unit, for according to the drive signal, the position feedback device being coupled to and swept
In the mechanical system for the respective direction for retouching bed.
Optionally, the positional information of the scanning bed bed board includes following at least one：The positional increment of scanning bed bed board
The more specific location information of information and scanning bed bed board.
Optionally, the position feedback device includes：First for the positional increment information of feedback scan bed bed board
Put feedback device, or the more specific location information for feedback scan bed bed board second place feedback device.
Optionally, the scanning bed position control system also includes：Position feedback information collecting unit, the first position
Feedback device, the positional increment information for obtaining scanning bed bed board, and the positional increment information of the scanning bed bed board is passed
Give the position feedback information collecting unit；The position feedback information collecting unit, for gathering the scanning bed bed board
Positional increment information, the positional increment information to the scanning bed bed board handles, and obtains the specific position of scanning bed bed board
Confidence ceases, and by the more specific location information of the scanning bed bed board and the positional increment information transmission of the scanning bed bed board to institute
State scanning bed control device.
Optionally, the position feedback information collecting unit, in addition to：Migration subelement, for the scanning
The positional increment information of bed bed board carries out migration；Scale parameter proofreads subelement, for the position to the scanning bed bed board
Put increment information and carry out scale parameter check and correction.
Optionally, the position feedback information collecting unit includes：Subelement is integrated, for the process migration
The positional increment information of scanning bed bed board after being proofreaded with scale parameter carries out time integral, obtains the scanning bed bed board
More specific location information.
Optionally, described scanning bed position control system includes：Nonvolatile memory, it is described scanning bed for storing
The more specific location information of bed board, the position feedback information collecting unit reads the scanning from the nonvolatile memory
The more specific location information of bed bed board, sends the scanning bed control device to.
Optionally, the nonvolatile memory is ferroelectric memory.
Optionally, the scanning bed position control system also includes：Position feedback information collecting unit, the second place
Feedback device, the specifying information for obtaining scanning bed bed board, and the more specific location information of the scanning bed bed board is sent to
The position feedback information collecting unit；The position feedback information collecting unit, is additionally operable to the collection scanning bed bed board tool
Body information, is handled the scanning bed bed board specifying information, obtains the positional increment information of scanning bed bed board, and will be described
The more specific location information of scanning bed bed board and the positional increment information transmission of the scanning bed bed board are to the scanning bed control dress
Put.
Optionally, the position feedback information collecting unit, including：Scintilla unit, for the scanning bed bed board
More specific location information carry out differential, obtain the positional increment information of scanning bed bed board.
Optionally, the scanning bed mechanical system is included along the lifting elevation and subsidence mechanical system moved of direction and along scanning bed
The horizontal mechanical system of length direction motion.
Optionally, the position switch unit is electromagnetic clutch.
Compared with prior art, the technical scheme of the embodiment of the present invention has advantages below：
When scanning bed bed board is moved horizontally or moved vertically, position feedback is driven to fill by using electromagnetic clutch
Put, position feedback device is coupled in scanning bed elevation and subsidence mechanical system or scanning bed horizontal mechanical system so that use one
Position feedback device is the positional information feedback that scanning bed different motion direction can be achieved, and can efficiently reduce position feedback dress
Put quantity, reduction scanning bed position feedback cost.
Further, real-time storage is carried out by the positional information of the scanning bed bed board got to position feedback device, when
When scanning bed system is powered off suddenly, the positional information at the current time of scanning bed bed board can be preserved, when the power is restored, control
System can directly transfer the positional information in memory, without being resetted to scanning bed position and readjusting scanning
Bed position, saves operating process, improves operating efficiency.
In addition, being believed by the more specific location information and positional increment for sending scanning bed bed board simultaneously to position control
Breath, position control combines the more specific location information and positional increment information of scanning bed bed board, adjusts the fortune of scanning bed bed board
It is dynamic, the control accuracy of scanning bed bed board can be improved.
Brief description of the drawings
Fig. 1 is the flow chart of the scanning bed position control method in the embodiment of the present invention one；
Fig. 2 is the flow chart of the scanning bed position control method in the embodiment of the present invention two；
Fig. 3 is the flow chart of the scanning bed position control method in the embodiment of the present invention three；
Fig. 4 is the realization principle figure of the scanning bed position control system in the embodiment of the present invention four.
Embodiment
In prior art, independent position feedback device is equipped with the different directions of scanning bed motion.But by
In synchronization the motion of single direction can only be carried out in scanning bed, only correspond to the position feedback device of the scanning bed direction of motion
In running order, remaining position feedback device is then in holding state, so as to cause the waste of position feedback device resource.
To solve the above problems, the embodiment of the present invention passes through when scanning bed bed board is moved horizontally or moved vertically
Position feedback device is driven using electromagnetic clutch, position feedback device is coupled to scanning bed elevation and subsidence mechanical system or scanning bed
In horizontal mechanical system, thereby using a position feedback device be can be achieved scanning bed different motion direction positional information it is anti-
Feedback, therefore, it is possible to efficiently reduce position feedback device quantity, reduction scanning bed position feedback cost.
It is understandable to enable the above objects, features and advantages of the present invention to become apparent, below in conjunction with the accompanying drawings to the present invention
Specific embodiment be described in detail.
Embodiment one
A kind of scanning bed position control method is present embodiments provided, reference picture 1 is carried out detailed below by way of specific steps
Explanation.
Step S101, position feedback device obtains the positional information of scanning bed bed board, and by the position of the scanning bed bed board
Confidence breath sends scanning bed control device to.
In specific implementation, position feedback device can be the relative position of the positional increment information of feedback scan bed bed board
The absolute position feedback device of the more specific location information of feedback device or feedback scan bed bed board.Scanning bed control dress
The positional increment information of scanning bed bed board can be received by putting, and can also receive the more specific location information of scanning bed bed board, can be with
The positional increment information and scanning bed bed board absolute location information of scanning bed bed board are received simultaneously.
Step S102, the scanning bed control device receives the positional information of the scanning bed bed board, and produces respective party
To drive signal, control position switch unit.
In specific implementation, scanning bed control device judges scanning according to the positional information of the scanning bed bed board received
Whether bed bed board is in destination locations, if scanning bed bed board is in destination locations, scanning bed control device does not send control and referred to
Order；If scanning bed bed board is not at destination locations, scanning bed control device sends the drive for controlling the scanning bed bed board direction of motion
Dynamic signal, controls position switch unit.
In specific implementation, position switch unit can be electromagnetic clutch.When scanning bed bed board is moved horizontally or is hung down
During straight motion, electromagnetic clutch drives position feedback device and position feedback device is coupled to the scanning bed machinery of respective direction
In system.Position switch unit can also be that other can drive position feedback device and can be coupled to position feedback device
Device in scanning bed mechanical system.
The position feedback device is coupled to and swept according to the drive signal by step S103, the position switch unit
In the mechanical system for the respective direction for retouching bed.
In specific implementation, the mechanical system of scanning bed respective direction can include what is moved along scanning bed lifting direction
Elevation and subsidence mechanical system and the horizontal mechanical system moved along scanning bed length direction.
Using the scheme of the present embodiment, when scanning bed bed board is moved horizontally or moved vertically, by using position
Switch unit drives position feedback device, and position feedback device is coupled into scanning bed elevation and subsidence mechanical system or scanning bed Horizontal machine
It is that the positional information that scanning bed different motion direction can be achieved is fed back thereby using a position feedback device in tool system, because
This can efficiently reduce position feedback device quantity, reduction scanning bed position feedback cost.
Embodiment two
A kind of scanning bed position control method is present embodiments provided, reference picture 2 is carried out detailed below by way of specific steps
Explanation.
Step S201, relative position feedback device obtains the positional increment information of scanning bed bed board, and will be described scanning bed
The positional increment information transmission of bed board gives position feedback information collecting unit.
In the present embodiment, relative position feedback device can be used as using photoelectricity incremental encoder.When scanning bed bed board
When moving in one direction, photoelectricity incremental encoder utilizes the rotation disk with square hole, periodically blocks fixed position
Photoelectrical coupler, forms a series of data signal, and the data signal in each cycle represents fixed increment size, so that
The positional increment information of scanning bed bed board can be obtained.Relative position feedback device can also be other kinds of device, as long as
Disclosure satisfy that the device for the positional increment information for obtaining scanning bed bed board by cycle movement can feed back as relative position
Device.
Step S202, feedback of the information collecting unit collects the positional increment information of scanning bed bed board, to scanning bed bed board
Positional increment information handled, obtain the more specific location information of scanning bed bed board.
In the present embodiment, the positional increment information to scanning bed bed board is handled, and can be first to scanning bed bed board
Positional increment information carry out migration processing and scale parameter correction process, and to by processing after scanning bed bed board
Positional increment information carry out time integral, obtain the more specific location information of scanning bed bed board.
Step S203, by step S202 to the more specific location information of scanning bed bed board be stored in nonvolatile memory
In.
Due to needing to transmit the more specific location information of scanning bed bed board and the positional increment information of scanning bed bed board simultaneously
To scanning bed control device, therefore nonvolatile memory needs to meet high speed writein and high speed is read, can in specific implementation
To be used as nonvolatile memory using ferroelectric memory.
Step S204, position feedback information collecting unit reads the specific position of scanning bed bed board from nonvolatile memory
Confidence ceases.
Step S205, the more specific location information of scanning bed bed board and the positional increment information transmission of scanning bed bed board are swept
Retouch a control device.
Step S206, scanning bed control device receives scanning bed position information, and produces the drive signal of respective direction,
Control position switch unit.
In the present embodiment, scanning bed control device is according to receiving scanning bed positional increment information and scanning bed specific position
Confidence ceases, and judges whether scanning bed bed board is in destination locations, if scanning bed bed board is in destination locations, scanning bed control dress
Put and do not send control instruction；If scanning bed bed board is not at destination locations, scanning bed control device sends the scanning bed bed of control
The drive signal of the plate direction of motion, controls position switch unit.
In the present embodiment, position switch unit can be used as using electromagnetic clutch.
Step S207, position switch unit drives relative position feedback device, relative position is fed back according to drive signal
Device is coupled in the mechanical system of scanning bed correspondence direction.
In the present embodiment, for example in t, scanning bed bed board is moved along scanning bed length direction, and in t+1
Carve, position switch unit receives the drive signal of elevating movement, now position switch unit drives scanning bed position feedback dress
Motion is put, scanning bed position feedback device is coupled in scanning bed elevation and subsidence mechanical system.When scanning bed bed board is moved up and down
When, the information that scanning bed lifting position can be achieved in the position feedback device being coupled in scanning bed elevation and subsidence mechanical system is anti-
Feedback.
Real-time storage is carried out by the positional information of the scanning bed bed board got to relative position feedback device, works as scanning
When bed system is powered off suddenly, the positional information at the current time of scanning bed bed board, when the power is restored, control system can be preserved
The positional information in memory can be directly transferred, without being resetted to scanning bed position and readjusting scanning bed
Put, save operating process, improve operating efficiency.
In addition, being believed by the more specific location information and positional increment for sending scanning bed bed board simultaneously to position control
Breath, position control combines the more specific location information and positional increment information of scanning bed bed board, adjusts the fortune of scanning bed bed board
It is dynamic, the control accuracy of scanning bed bed board can be improved.
Embodiment three
In above-described embodiment two, the position feedback device used is relative position feedback device.Likewise, in specific implementation
In, position feedback device can also be used as using absolute position feedback device.Present embodiments provide a kind of scanning bed position control
Method processed, reference picture 3, is described in detail below by way of specific steps.
Step S301, absolute position feedback device obtains the more specific location information of scanning bed bed board, and will be described scanning bed
The more specific location information of bed board sends position feedback information collecting unit to.
In the present embodiment, absolute position feedback device can be potentiometer, the pointer by fixed resistance value disk and with lead
Constitute.When scanning bed bed board is taken exercises along a direction, the output resistance of potentiometer can be continually changing, according to different resistances
The current more specific location information of scanning bed bed board can be obtained.Likewise, can also be anti-as absolute position using magnetic railings ruler etc.
Device is presented, as long as the device that can embody scanning bed more specific location information can be as absolute position feedback device.
Step S302, feedback of the information collecting unit collects the more specific location information of scanning bed bed board, and by sweeping for obtaining
The more specific location information for retouching a bed board is preserved in the nonvolatile memory.
In specific implementation, nonvolatile memory can be used as using ferroelectric memory.
Step S303, the more specific location information of the scanning bed bed board obtained to step S302 is processed, and obtains scanning bed
Put increment information.
In the present embodiment, the more specific location information to scanning bed bed board is handled, and can be to scanning bed bed board
More specific location information carries out migration processing and scale parameter correction process, and to the scanning bed bed board after processing
More specific location information carries out differential, obtains scanning bed positional increment information.
Step S304, position feedback information collecting unit reads the specific position of scanning bed bed board from nonvolatile memory
Confidence ceases.
Step S305, the positional increment information transmission of the more specific location information of scanning bed bed board and scanning bed bed board is given
Scanning bed control device.
Step S306, scanning bed control device receives scanning bed position information, and produces the drive signal of respective direction,
Control position switch unit.
In the present embodiment, scanning bed control device is according to receiving scanning bed positional increment information and scanning bed specific position
Confidence ceases, and judges whether scanning bed bed board is in destination locations, if scanning bed bed board is in destination locations, scanning bed control dress
Put and do not send control instruction；If scanning bed bed board is not at destination locations, scanning bed control device sends the scanning bed bed of control
The drive signal of the plate direction of motion, controls position switch unit.
Step S307, position switch unit drives relative position feedback device, relative position is fed back according to drive signal
Device is coupled in the mechanical system of scanning bed correspondence direction.
In the present embodiment, carried out by the more specific location information of the scanning bed bed board got to absolute position feedback device
Storage, when scanning bed system is powered off suddenly, can preserve the positional information at the current time of scanning bed bed board, work as Power resumption
When, control system can directly transfer the positional information in memory, without to scanning bed position reset and again
Adjustment scanning bed position, saves operating process, improves operating efficiency.
In addition, being believed by the more specific location information and positional increment for sending scanning bed bed board simultaneously to position control
Breath, position control combines the more specific location information and positional increment information of scanning bed bed board, adjusts the fortune of scanning bed bed board
It is dynamic, the control accuracy of scanning bed bed board can be improved.
Example IV
The present embodiment provides a kind of scanning bed position control system, reference picture 4, the scanning bed position control system bag
Include：Position feedback device 401, scanning bed control device 402 and position switch unit 403, wherein：
Position feedback device 401, the positional information for obtaining scanning bed bed board, and by the position of the scanning bed bed board
Information transmission gives scanning bed control device 402；
Scanning bed control device 402, for receiving the positional information of scanning bed bed board, and produces the driving letter of respective direction
Number, control position switch unit；
Position switch unit 403, for according to the drive signal, the position feedback device 401 to be coupled into scanning
In the mechanical system of the respective direction of bed.
The scanning bed position control system can also include：Position feedback information collecting unit 404, for receiving position
The positional information for the scanning bed bed board that feedback device 401 is obtained, and the positional information of the scanning bed bed board is carried out at signal
Reason.
In specific implementation, the position feedback device 401 can include it is following any one：Relative position feedback device
4011, for the positional increment information of feedback scan bed bed board, and the positional increment information transmission of the scanning bed bed board is given
The position feedback information collecting unit 404；Absolute position feedback device 4012, the particular location for feedback scan bed bed board
Information, and send the more specific location information of the scanning bed bed board to the position feedback information collecting unit 404.
In specific implementation, the positional information of the scanning bed bed board can be the positional increment information of scanning bed bed board,
It can also be the more specific location information of scanning bed bed board, can also be the positional increment information and scanning bed bed board of scanning bed bed board
More specific location information.
In specific implementation, during using relative position feedback device 4011 as scanning bed position feedback device, position is anti-
Feedforward information collecting unit 404 can be used for the positional increment letter for gathering the scanning bed bed board of the feedback of relative position feedback device 4011
Breath, the positional increment information to the scanning bed bed board handles, and obtains the more specific location information of scanning bed bed board, and by institute
The more specific location information of scanning bed bed board and the positional increment information transmission of the scanning bed bed board are stated to the scanning bed control
Device 402.
In specific implementation, position feedback information collecting unit 404 can include：Migration subelement 4041, is used for
Positional increment information to the scanning bed bed board carries out migration；Scale parameter proofreads subelement 4042, for described
The positional increment information of scanning bed bed board carries out scale parameter check and correction；Subelement 4043 is integrated, for being mended to described by skew
The positional increment information for repaying the scanning bed bed board after being proofreaded with scale parameter carries out time integral, obtains the scanning bed bed board
More specific location information.
In specific implementation, when can also use absolute position feedback device 4012 as scanning bed position feedback device,
The scanning bed bed board that position feedback information collecting unit 404 can be also used for gathering absolute position feedback device feedback is specifically believed
Breath, is handled the scanning bed bed board specifying information, obtains the positional increment information of scanning bed bed board, and by the scanning
The more specific location information of bed bed board and the positional increment information transmission of the scanning bed bed board give the scanning bed control device
402。
In specific implementation, position feedback information collecting unit 404 can also include：Scintilla unit 4044, for pair
The more specific location information of the scanning bed bed board carries out differential, obtains the positional increment information of scanning bed bed board.
In specific implementation, position feedback information collecting unit 404 can also include：Nonvolatile memory 4045, is used
In the more specific location information for storing the scanning bed bed board, the position feedback information collecting unit 404 is from described non-volatile
The more specific location information of the scanning bed bed board is read in memory, the scanning bed control device is sent to.
In specific implementation, the scanning bed mechanical system includes elevation and subsidence mechanical system and the edge moved along lifting direction
The horizontal mechanical system of scanning bed length direction motion.
In specific implementation, the position switch unit 403 can be used as using electromagnetic clutch.
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art, are not departing from this
In the spirit and scope of invention, it can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
The scope of restriction is defined.
Claims (12)
1. a kind of scanning bed position control method, it is characterised in that including：
Position feedback device obtains the positional information of scanning bed bed board, and the positional information of the scanning bed bed board is sent to swept
Retouch a control device；
The scanning bed control device receives the positional information of the scanning bed bed board, and produces the drive signal of respective direction,
Control position switch unit；
The position feedback device is coupled to scanning bed respective direction by the position switch unit according to the drive signal
Mechanical system in.
2. scanning bed position control method as claimed in claim 1, it is characterised in that the positional information of the scanning bed bed board
Including following at least one：The positional increment information of scanning bed bed board and the more specific location information of scanning bed bed board.
3. scanning bed position control method as claimed in claim 2, it is characterised in that the position feedback device includes：Instead
Present the first position feedback device of the positional increment information of scanning bed bed board, or feedback scan bed bed board more specific location information
Second place feedback device.
4. scanning bed position control method as claimed in claim 3, it is characterised in that the position feedback device obtains scanning
The positional information of bed bed board, and send the positional information of the scanning bed bed board to scanning bed control device, in addition to：First
Position feedback device obtains the positional increment information of scanning bed bed board, and by the positional increment information transmission of the scanning bed bed board
Give position feedback information collecting unit；The position feedback information collecting unit collects the positional increment of the scanning bed bed board
Information, the positional increment information to the scanning bed bed board is handled, and obtains the more specific location information of scanning bed bed board, and will
The more specific location information of the scanning bed bed board and the positional increment information transmission of the scanning bed bed board give the scanning bed control
Device processed.
5. scanning bed position control method as claimed in claim 4, it is characterised in that the position feedback information collecting unit
The positional increment information of the scanning bed bed board is collected, the positional increment information to the scanning bed bed board is handled, wrapped
Include：Positional increment information to the scanning bed bed board carries out migration and scale parameter check and correction.
6. scanning bed position control method as claimed in claim 5, it is characterised in that the position feedback information collecting unit
The positional increment information of the scanning bed bed board is collected, the positional increment information to the scanning bed bed board is handled, wrapped
Include：Positional increment information to the scanning bed bed board after migration and scale parameter check and correction carries out time integral, obtains
To the more specific location information of the scanning bed bed board.
7. scanning bed position control method as claimed in claim 6, it is characterised in that the particular location of the scanning bed bed board
Information is stored in the nonvolatile memory, and the position feedback information collecting unit is read from the nonvolatile memory
The more specific location information of the scanning bed bed board, sends the scanning bed control device to.
8. scanning bed position control method as claimed in claim 7, it is characterised in that the nonvolatile memory is ferroelectricity
Memory.
9. scanning bed position control method as claimed in claim 3, it is characterised in that the position feedback device obtains scanning
The positional information of bed bed board, and send the positional information of the scanning bed bed board to scanning bed control device, in addition to：It is described
Second place feedback device obtains the more specific location information of the scanning bed bed board, and by the particular location of the scanning bed bed board
Information transmission gives position feedback information collecting unit；Position feedback information collecting unit collects the specific of the scanning bed bed board
Positional information, the more specific location information to the scanning bed bed board is handled, and obtains the positional increment information of scanning bed bed board,
And give the scanning by the more specific location information of the scanning bed bed board and the positional increment information transmission of the scanning bed bed board
Bed control device.
10. scanning bed position control method as claimed in claim 9, it is characterised in that the position feedback information collection is single
Member collects the more specific location information of the scanning bed bed board, and the more specific location information to the scanning bed bed board is handled,
The positional increment information of scanning bed bed board is obtained, including：More specific location information to the scanning bed bed board carries out differential, obtains
The positional increment information of scanning bed bed board.
11. scanning bed position control method as claimed in claim 1, it is characterised in that the scanning bed mechanical system bag
Include the elevation and subsidence mechanical system moved along scanning bed lifting direction and the horizontal mechanical system moved along scanning bed length direction.
12. scanning bed position control method as claimed in claim 1, it is characterised in that the position switch unit is electromagnetism
Clutch.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710582936.3A CN107518913B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control method |
| CN201310525908.XA CN104546130B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control method and system |
| CN201710582373.8A CN107374748B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control system |
| CN201710582948.6A CN107374749B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control system |
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| CN201310525908.XA CN104546130B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control method and system |
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| CN201710582948.6A Division CN107374749B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control system |
| CN201710582936.3A Division CN107518913B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control method |
| CN201710582373.8A Division CN107374748B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control system |
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| CN104546130A CN104546130A (en) | 2015-04-29 |
| CN104546130B true CN104546130B (en) | 2017-08-22 |
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| CN201710582948.6A Active CN107374749B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control system |
| CN201710582936.3A Active CN107518913B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control method |
| CN201710582373.8A Active CN107374748B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control system |
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| CN201710582936.3A Active CN107518913B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control method |
| CN201710582373.8A Active CN107374748B (en) | 2013-10-29 | 2013-10-29 | Scanning bed position control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104546130B (en) * | 2013-10-29 | 2017-08-22 | 上海联影医疗科技有限公司 | Scanning bed position control method and system |
| WO2018218685A1 (en) * | 2017-06-02 | 2018-12-06 | 西安大医集团有限公司 | Position monitoring mechanism and method for three-dimensional treatment bed, three-dimensional treatment bed |
| CN109381216B (en) * | 2017-08-08 | 2023-08-01 | 通用电气公司 | Motion control device and method for patient moving bed board and computer program |
| CN110327068B (en) * | 2019-06-17 | 2023-08-01 | 山东新华医疗器械股份有限公司 | Dynamic self-adaptive control device and method for large-aperture CT scanning bed |
| CN110742610B (en) * | 2019-10-10 | 2023-11-24 | 上海东软医疗科技有限公司 | Detection device, method for detecting movement of scanning bed and magnetic resonance imaging system |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN107374749A (en) | 2017-11-24 |
| CN104546130A (en) | 2015-04-29 |
| CN107374748A (en) | 2017-11-24 |
| CN107518913B (en) | 2020-10-16 |
| CN107374748B (en) | 2020-12-01 |
| CN107518913A (en) | 2017-12-29 |
| CN107374749B (en) | 2020-11-27 |
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