Encoder data into a PD closed control loop
Hey, basically for our current project, we have to create a program that will run through a cRio for a buggy, the buggy has 2 motors of maximum 12V supply. The bugggy must travel a certain distance, 8m, over an uneven distance and end up at a particular end point.
we are currently trying to create a a closed loop control system with a ramp input, then a Proportional Derivative system to alter the error from the encoders, which record the actual speed of the wheels.
However we are unsure about how to go about creating this in labview or simulate this as we do not have access to the actual practical equipment at the moment, any help or links to guides about how to go about this or general help would be greatly appreciate, feel free to ask any questions if i have I can be clear about anything anymore, but we are really struggling atm.
Thanks for replying,
Basically we arent using a control and simulation loop anymore as it was proving to be too advanced for what we need to do. We arent using any toolkit in particular, however our vi is within a case structure, the attached folder is the vi that we have created so far.
The simulated signals are to represent the encoder velocity values that we will obtain. If you can help us with any of the following it would be of great help:
1. We currently a ramp input to simulate the acceleration at the start but are unsure on how to keep a constant velocity after the maximum velocity is reached and to have a deceleration at the end.
2. We are unsure if what we have as P controller will actually minimise the error between desired velocity and actual velocity
3. We dont have a stop condition, it has to travel a known distance, can this be worked out from the data gathered from the encoders and a stop condition created?
We have access to the majority of applicable toolkits, shown in the attached photo.
Any guidance would be greatly appreciated.
Attachments:
buggy control algorithm.vi 65 KB
Tool pallette.png 39 KB
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TABLES: BGR00, " Mappensatz
BMM00, " MM01/MM02 BTCI-Kopfdaten
BMMH1, " MM01/MM02 Hauptdaten
BMMH2, " Länderdaten (Steuern)
BMMH3, " Prognosewerte
BMMH4, " Verbrauchswerte
BMMH5, " Kurztexte
BMMH6, " Mengeneinheiten
BMMH7, " Langtexte
BMMH8. " Referentielle EAN's
Satztypen
DATA: MAPPENSATZ LIKE BMM00-STYPE VALUE '0',
KOPFSATZ LIKE BMM00-STYPE VALUE '1',
HAUPTSATZ LIKE BMM00-STYPE VALUE '2',
KUN_SATZ LIKE BMM00-STYPE VALUE 'Z',
LANDSATZ LIKE BMM00-STYPE VALUE '3',
PROGSATZ LIKE BMM00-STYPE VALUE '4',
VERBSATZ LIKE BMM00-STYPE VALUE '5',
KTEXTSATZ LIKE BMM00-STYPE VALUE '6',
MESATZ LIKE BMM00-STYPE VALUE '7',
TEXTSATZ LIKE BMM00-STYPE VALUE '8',
EANSATZ LIKE BMM00-STYPE VALUE '9'.
Common Data Bereich fuer die extern aufgerufenen Routinen
Initialstrukturen
DATA: BEGIN OF COMMON PART RMMMBIMY.
DATA: BEGIN OF I_BMM00.
INCLUDE STRUCTURE BMM00. " Kopfdaten
DATA: END OF I_BMM00.
DATA: BEGIN OF I_BMMH1.
INCLUDE STRUCTURE BMMH1. " Haupdaten
DATA: END OF I_BMMH1.
DATA: BEGIN OF I_BMMH2.
INCLUDE STRUCTURE BMMH2. " Länderdaten
DATA: END OF I_BMMH2.
DATA: BEGIN OF I_BMMH3.
INCLUDE STRUCTURE BMMH3. " Prognosewerte
DATA: END OF I_BMMH3.
DATA: BEGIN OF I_BMMH4.
INCLUDE STRUCTURE BMMH4. " Verbrauchswerte
DATA: END OF I_BMMH4.
DATA: BEGIN OF I_BMMH5.
INCLUDE STRUCTURE BMMH5. " Kurztexte
DATA: END OF I_BMMH5.
DATA: BEGIN OF I_BMMH6.
INCLUDE STRUCTURE BMMH6. " Mengeneinheiten
DATA: END OF I_BMMH6.
DATA: BEGIN OF I_BMMH7.
INCLUDE STRUCTURE BMMH7. " Textzeilen
DATA: END OF I_BMMH7.
DATA: BEGIN OF I_BMMH8.
INCLUDE STRUCTURE BMMH8. " Referentielle EAN's
DATA: END OF I_BMMH8.
DATA: END OF COMMON PART.
DATA: WA LIKE TEDATA-DATA.
Einzelfelder
DATA: GROUP_COUNT(6) TYPE C, " Anzahl Mappen
TRANS_COUNT(6) TYPE C, " alte Definition für rmmmbim0
SATZ_COUNT LIKE MUEB_REST-TRANC, " Trans.zähler neu
H_IND_COUNT LIKE MUEB_REST-D_IND, " Index welches Feld zurücks.
SATZ2_COUNT(6) TYPE C. " Anz. Sätze je Trans. ohne Kopfsatz
DATA: XEOF(1) TYPE C, " X=End of File erreicht
XHAUPTSATZ_EXIST TYPE C, " X=Hauptsatz zum Kopf exi.
NODATA(1) TYPE C. " kein BI für dieses Feld
mk/15.08.94:
DATA: GROUP_OPEN(1) TYPE C. " X=Mappe schon geöffnet
*eject
Konstanten
DATA: C_NODATA(1) TYPE C VALUE '/'. " Default für NODATA
DATA: MATNR_ERW LIKE MARA-MATNR VALUE '0 '.
DATA: MATNR_ERW_INT LIKE MARA-MATNR. "internal sight of '0 '
DATA: MATNR_LAST LIKE MARA-MATNR. "Material number
mk/11.08.94 2.1H:
If this flag is initial, the database updates will be done directly
during background maintenance instead of using a separate update
task. (no usage of this flag in dialogue mode!)
DATA: DBUPDATE_VB(1) VALUE ' '. "note 306628
data: matsync type mat_sync. "wk/99a no update in dialog if called
***INCLUDE ZMUSD070.
TABLES: MARA, "Material Master: General Data
MARC, "Material Master: C Segment
MARD, "Material Master: St Loc/Batch
MBEW, "Material Valuation
MVKE, "Material Master: Sales Data
MLGN, "Material Data per Whse Number
MLAN, "Tax Classification: Material
T001W, "Plants/Branches
TBICU.
DATA: BEGIN OF VALUTAB OCCURS 0.
INCLUDE STRUCTURE RSPARAMS.
DATA: END OF VALUTAB.
DATA: BEGIN OF VARTECH.
INCLUDE STRUCTURE VARID.
DATA: END OF VARTECH.
DATA: PARMS LIKE ZXXDCONV.
DATA: REC_COUNT TYPE I,
REC_COUNT_BAD TYPE I,
ZJOBID LIKE TBIZU-JOBID,
ZJOBCOUNT LIKE TBIZU-JOBCOUNT,
ZMATNR LIKE MARA-MATNR,
ZTEXT(80) TYPE C.
CONSTANTS: LIT_ZERO(18) TYPE C VALUE '000000000000000000',
LIT_CHAR TYPE C VALUE '_',
LIT_CREATE LIKE BMM00-TCODE VALUE 'MM01',
LIT_CHANGE LIKE BMM00-TCODE VALUE 'MM02',
LIT_CHECK(1) TYPE C VALUE 'X'.
DATA: BEGIN OF INP_DATA OCCURS 0,
MATNR(18) TYPE C, " Material code
UMREN(6) TYPE C, " Denominator
MEINH(3) TYPE C, " Alternate UOM
UMREZ(6) TYPE C, " Numerator
END OF INP_DATA.
*eject
SELECTION-SCREEN BEGIN OF BLOCK INOUT WITH FRAME TITLE TEXT-001.
SELECTION-SCREEN BEGIN OF LINE.
SELECTION-SCREEN COMMENT (13) TEXT-004.
PARAMETERS: P_PC RADIOBUTTON GROUP SRC DEFAULT 'X'.
SELECTION-SCREEN COMMENT (6) TEXT-005.
PARAMETERS: P_UNIX RADIOBUTTON GROUP SRC.
SELECTION-SCREEN COMMENT (6) TEXT-006.
PARAMETERS: P_DS_TYP LIKE ZXXDCONV-DS_TYP
DEFAULT 'ASC'.
SELECTION-SCREEN END OF LINE.
*SELECT-OPTIONS: S_PATH FOR PARMS-PATH
NO INTERVALS
LOWER CASE.
PARAMETERS: P_PATH TYPE RLGRAP-FILENAME.
PARAMETERS: P_HDRLIN LIKE ZXXDCONV-HDR_LINES
DEFAULT 0,
P_JOBNAM LIKE TBICU_S-JOBNAME
MEMORY ID BM1,
P_DI_EXE AS CHECKBOX
DEFAULT LIT_CHECK,
P_MAPPE LIKE BGR00-GROUP
DEFAULT 'MRP_UOM_LOAD'
NO-DISPLAY.
SELECTION-SCREEN END OF BLOCK INOUT.
*eject
AT SELECTION-SCREEN ON VALUE-REQUEST FOR P_PATH.
CALL FUNCTION 'KD_GET_FILENAME_ON_F4'
EXPORTING
PROGRAM_NAME = SYST-REPID
DYNPRO_NUMBER = SYST-DYNNR
FIELD_NAME = 'P_PATH'
CHANGING
FILE_NAME = S_PATH-LOW
FILE_NAME = P_PATH
EXCEPTIONS
MASK_TOO_LONG = 1
OTHERS = 2.
AT SELECTION-SCREEN.
Set up parameter record
PARMS-UNIX = P_UNIX.
PARMS-PC = P_PC.
PARMS-DS_TYP = P_DS_TYP.
PARMS-JOBNAME = P_JOBNAM.
PARMS-MAPPE = P_MAPPE.
PARMS-HDR_LINES = P_HDRLIN.
*eject
Main Processing Routine *
START-OF-SELECTION.
Initialization
PERFORM 0000_HOUSEKEEPING.
Initialize transaction data in I_BM00
PERFORM 0500_INIT_BMM00.
Process input files
SORT S_PATH BY SIGN OPTION LOW.
MOVE S_PATH-LOW TO PARMS-PATH.
MOVE P_PATH TO PARMS-PATH.
LOOP AT S_PATH.
AT NEW LOW.
CLEAR INP_DATA.
REFRESH INP_DATA.
Read source data into internal table
PERFORM 1000_GET_SOURCE_DATA TABLES INP_DATA.
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ZTEXT = TEXT-007.
ZTEXT+13 = PARMS-DS_NAME.
PERFORM 4000_PROGRESS_INDICATOR USING ZTEXT.
Initialize transaction data in I_BM00
PERFORM 0500_INIT_BMM00.
LOOP AT INP_DATA.
Reset tables for each record
BMM00 = I_BMM00.
BMMH1 = I_BMMH1.
BMMH6 = I_BMMH6.
Load structures with data
MOVE-CORRESPONDING INP_DATA TO BMM00.
PERFORM 2000_WRITE_OUTPUT USING BMM00.
MOVE-CORRESPONDING INP_DATA TO BMMH1.
PERFORM 2000_WRITE_OUTPUT USING BMMH1.
MOVE-CORRESPONDING INP_DATA TO BMMH6.
PERFORM 2000_WRITE_OUTPUT USING BMMH6.
REC_COUNT = REC_COUNT + 1.
ENDLOOP.
ENDAT.
ENDLOOP.
IF REC_COUNT GT 0
AND P_DI_EXE EQ LIT_CHECK.
PERFORM 3000_START_DI_JOB.
ENDIF.
WRITE: / TEXT-008,
REC_COUNT.
PERFORM 9000_END_OF_JOB.
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Include containing common routines used by direct input programs
INCLUDE ZMUSD071.
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Initialize I_BMM00 with transaction code and views selected *
FORM 0500_INIT_BMM00.
***this changes done by samson**
if not inp_data[] is initial.
select single matnr from mara INTO ZMATNR where matnr = inp_data-matnr.
if sy-subrc = 0.
I_BMM00-TCODE = LIT_CHANGE.
Basic data
I_BMM00-XEIK1 = LIT_CHECK.
else.
I_BMM00-TCODE = LIT_CREATE.
Basic data
I_BMM00-XEIK1 = LIT_CHECK.
endif.
endif.
**this changes above done by samson**
Transaction code
I_BMM00-TCODE = LIT_CHANGE.
Basic data
I_BMM00-XEIK1 = LIT_CHECK.
ENDFORM.
INCLUDE ZMUSD069.
*eject
FORM 0000_HOUSEKEEPING *
Initialization routines *
FORM 0000_HOUSEKEEPING.
PERFORM 0010_LDS_NAME.
PERFORM 0020_DS_NAME.
PERFORM 0030_OPEN_FILE.
PERFORM 0040_INIT_STRUCTS.
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FORM 0010_LDS_NAME.
Check valid job name
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WHERE JOBNAME EQ PARMS-JOBNAME.
IF SY-SUBRC EQ 0.
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EXPORTING
REPORT = TBICU-REPNAME
VARIANT = TBICU-VARIANT
IMPORTING
TECHN_DATA = VARTECH
TABLES
VARIANT_VALUES = VALUTAB
EXCEPTIONS
VARIANT_NON_EXISTENT = 1
VARIANT_OBSOLETE = 2
OTHERS = 3.
IF SY-SUBRC EQ 0.
READ TABLE VALUTAB WITH KEY 'LDS_NAME'.
MOVE VALUTAB-LOW TO PARMS-LDS_NAME.
ELSE.
MESSAGE I001 WITH PARMS-JOBNAME.
MESSAGE A099.
ENDIF.
ELSE.
MESSAGE I000 WITH PARMS-JOBNAME.
MESSAGE A099.
ENDIF.
ENDFORM.
*eject
FORM 0040_INIT_STRUCTS *
Initialize structures for direct input records *
FORM 0040_INIT_STRUCTS.
Start of standard SAP initialization from example program RMMMBIME
*------- Write session record -
CLEAR BGR00.
BGR00-STYPE = MAPPENSATZ.
BGR00-GROUP = PARMS-MAPPE.
BGR00-NODATA = C_NODATA.
BGR00-MANDT = SY-MANDT.
BGR00-USNAM = SY-UNAME.
BGR00-START = BGR00-NODATA.
BGR00-XKEEP = BGR00-NODATA.
PERFORM 2000_WRITE_OUTPUT USING BGR00.
*----- Initialize structures -
NODATA = BGR00-NODATA.
PERFORM INIT_STRUKTUREN_ERZEUGEN(RMMMBIMI) USING NODATA.
End of standard SAP initialization from example program RMMMBIME
ENDFORM.
*eject.
FORM 3000_START_DI_JOB *
Start direct input job *
FORM 3000_START_DI_JOB.
ZTEXT = 'Starting '(021).
ZTEXT+9 = TBICU-JOBNAME.
PERFORM 4000_PROGRESS_INDICATOR USING ZTEXT.
CALL FUNCTION 'BI_START_JOB'
EXPORTING
JOBID = ' '
JOBTEXT = TBICU-JOBNAME
REPNAME = TBICU-REPNAME
SERVER = TBICU-EXECSERVER
VARIANT = TBICU-VARIANT
NEW_JOB = 'X'
CONTINUE_JOB = ' '
START_IMMEDIATE = 'X'
DO_NOT_PRINT = 'X'
USERNAME = SY-UNAME
IMPORTING
JOBID = ZJOBID
JOBCOUNT = ZJOBCOUNT
EXCEPTIONS
JOB_OPEN_FAILED = 1
JOB_CLOSE_FAILED = 2
JOB_SUBMIT_FAILED = 3
WRONG_PARAMETERS = 4
JOB_DOES_NOT_EXIST = 5
WRONG_STARTTIME_GIVEN = 6
JOB_NOT_RELEASED = 7
WRONG_VARIANT = 8
NO_AUTHORITY = 9
DIALOG_CANCELLED = 10
JOB_ALREADY_EXISTS = 11
PERIODIC_NOT_ALLOWED = 12
ERROR_NUMBER_GET_NEXT = 13
OTHERS = 14.
IF SY-SUBRC EQ 0.
WRITE: / 'Direct input job'(022), TBICU-JOBNAME, 'started'.
ELSE.
WRITE: / 'Direct input failed with return code'(023), SY-SUBRC.
ENDIF.
FORM 0020_DS_NAME.
CALL FUNCTION 'FILE_GET_NAME'
EXPORTING
CLIENT = SY-MANDT
LOGICAL_FILENAME = PARMS-LDS_NAME
OPERATING_SYSTEM = SY-OPSYS
IMPORTING
FILE_NAME = PARMS-DS_NAME
EXCEPTIONS
FILE_NOT_FOUND = 1
OTHERS = 2.
IF SY-SUBRC NE 0.
MESSAGE E002 WITH PARMS-LDS_NAME.
MESSAGE A099.
ENDIF.
ENDFORM.
*eject
FORM 0030_OPEN_FILE *
Open physical file for output *
FORM 0030_OPEN_FILE.
OPEN DATASET PARMS-DS_NAME FOR OUTPUT IN TEXT MODE. "thg191105
OPEN DATASET PARMS-DS_NAME FOR OUTPUT IN TEXT MODE
encoding default. "thg191105
IF SY-SUBRC NE 0.
MESSAGE E003 WITH PARMS-DS_NAME.
MESSAGE A099.
ENDIF.
ENDFORM.
*eject
FORM 1000_GET_SOURCE_DATA *
Read source data into internal table *
--> INP_DATA " Name of internal table passed as parameter *
FORM 1000_GET_SOURCE_DATA TABLES INP_DATA.
CALL FUNCTION 'Z_FILE_UPLOAD'
EXPORTING
UNIX = PARMS-UNIX
PC = PARMS-PC
FILETYPE = PARMS-DS_TYP
FILENAME = PARMS-PATH
HDR_LINES = PARMS-HDR_LINES
TABLES
DATA_TAB = INP_DATA
EXCEPTIONS
CONVERSION_ERROR = 1
FILE_OPEN_ERROR = 2
FILE_READ_ERROR = 3
INVALID_TABLE_WIDTH = 4
INVALID_TYPE = 5
NO_BATCH = 6
UNKNOWN_ERROR = 7
INVALID_SOURCE = 8
OTHERS = 9.
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Write record in standard SAP structure to UNIX file *
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MESSAGE A099.
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DATA: W_FILENAME TYPE STRING. "SRY28NOV05
DATA: W_FTYP(10) TYPE C VALUE 'DAT'. "SRY28NOV05
MOVE PARMS-DS_NAME TO FILENAME. "SRY28NOV05
MOVE PARMS-DS_NAME TO W_FILENAME. "SRY28NOV05
*BEGIN OF BLOCK COMMENT BY SRY28NOV05
CALL FUNCTION 'WS_DOWNLOAD'
EXPORTING
BIN_FILESIZE = ' '
CODEPAGE = ' '
FILENAME = FILENAME
FILETYPE = 'DAT'
MODE = ' '
WK1_N_FORMAT = ' '
WK1_N_SIZE = ' '
WK1_T_FORMAT = ' '
WK1_T_SIZE = ' '
COL_SELECT = ' '
COL_SELECTMASK = ' '
importing
filelength =
TABLES
DATA_TAB = INP_DATA
FIELDNAMES =
EXCEPTIONS
FILE_OPEN_ERROR = 1
FILE_WRITE_ERROR = 2
INVALID_FILESIZE = 3
INVALID_TABLE_WIDTH = 4
INVALID_TYPE = 5
NO_BATCH = 6
UNKNOWN_ERROR = 7
OTHERS = 8.
*END OF BLOCK COMMENT BY SRY28NOV05
*BEGIN OF BLOCK ADDED BY SRY28NOV05
CALL FUNCTION 'GUI_DOWNLOAD'
EXPORTING
FILENAME = W_FILENAME
FILETYPE = W_FTYP
TABLES
DATA_TAB = INP_DATA
EXCEPTIONS
FILE_WRITE_ERROR = 1
NO_BATCH = 2
GUI_REFUSE_FILETRANSFER = 3
INVALID_TYPE = 4
NO_AUTHORITY = 5
UNKNOWN_ERROR = 6
HEADER_NOT_ALLOWED = 7
SEPARATOR_NOT_ALLOWED = 8
FILESIZE_NOT_ALLOWED = 9
HEADER_TOO_LONG = 10
DP_ERROR_CREATE = 11
DP_ERROR_SEND = 12
DP_ERROR_WRITE = 13
UNKNOWN_DP_ERROR = 14
ACCESS_DENIED = 15
DP_OUT_OF_MEMORY = 16
DISK_FULL = 17
DP_TIMEOUT = 18
FILE_NOT_FOUND = 19
DATAPROVIDER_EXCEPTION = 20
CONTROL_FLUSH_ERROR = 21
OTHERS = 22.
IF SY-SUBRC NE 0.
MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
ENDIF.
*END OF BLOCK ADDED BY SRY28NOV05
ENDFORM. " 2100_WS_DOWNLOAD
*eject
FORM 4000_PROGRESS_INDICATOR *
Write progress text to status bar *
--> TEXT " Text passed as parameter *
FORM 4000_PROGRESS_INDICATOR USING TEXT.
CALL FUNCTION 'SAPGUI_PROGRESS_INDICATOR'
EXPORTING
PERCENTAGE = 0
TEXT = TEXT
EXCEPTIONS
OTHERS = 1.
ENDFORM.
*eject.
FORM 9000_END_OF_JOB *
Close files on UNIX *
FORM 9000_END_OF_JOB.
CLOSE DATASET PARMS-DS_NAME.
ENDFORM.
FORM 1000_GET_SOURCE_DATA TABLES INP_DATA.
CALL FUNCTION 'Z_FILE_UPLOAD'
EXPORTING
UNIX = PARMS-UNIX
PC = PARMS-PC
FILETYPE = PARMS-DS_TYP
FILENAME = PARMS-PATH
HDR_LINES = PARMS-HDR_LINES
TABLES
DATA_TAB = INP_DATA
EXCEPTIONS
CONVERSION_ERROR = 1
FILE_OPEN_ERROR = 2
FILE_READ_ERROR = 3
INVALID_TABLE_WIDTH = 4
INVALID_TYPE = 5
NO_BATCH = 6
UNKNOWN_ERROR = 7
INVALID_SOURCE = 8
OTHERS = 9.
ENDFORM.
*eject
FORM 2000_WRITE_OUTPUT *
Write record in standard SAP structure to UNIX file *
--> I_STRUCT " Name of record passed as parameter *
*FORM 2000_WRITE_OUTPUT USING I_STRUCT."SRY28NOV05
FORM 2000_WRITE_OUTPUT USING I_STRUCT TYPE ANY. "SRY28NOV05
TRANSFER I_STRUCT TO PARMS-DS_NAME.
IF SY-SUBRC NE 0.
MESSAGE E004 WITH PARMS-DS_NAME.
MESSAGE A099.
ENDIF.
ENDFORM.
*eject
*& Form 2100_WS_DOWNLOAD
text *
--> p1 text
<-- p2 text
FORM 2100_WS_DOWNLOAD TABLES INP_DATA.Hi,
Thnaks for your reply, This is my requirement.
Here my problem is i am trying to upload the data from flatfile which contain materil number, denominator, Actual UOM, Nominator field values.
Which is the data i need to upload into MM02 and MM01, if material number is new then it has to create the material, if material is already existing it has to update the UOM values.
here i am getting data into my internal table INP_DATA, from that i am trying to upload the data to database by using job name MRP_MATERIAL_MASTER_DATA_UPLOAD with direct input program RMDATIND.
when i execute my program i am getting success message all the records writtin from flatfile to application server. and job started message.
then if i go into sm37 screen there i execute the job it is also giving active message. if i refresh it it is showing job completed message.
then i look at job log status. there i found that for existing material it is expecting material type, for new material it is giving some gravity error.
So could u help me in this it will be gr8.
Thanks & Regards,
RamNV -
FM to upload the Internal table data into application server.
Hi,
Could you please give me Function module to Upload the Internal table data into Application server ie., in Tcode AL11.
I know for downloading the Application server file into itab is "SUBST_GET_FILE_LIST" FM and using open dtaa set we get the data.
Regards,
deepthi.Hi Deepthi
Incase you are looking to upload data in the AL11 through a program , then you can make use of OPEN DATASET...CLOSE DATASET statements.
Here's the code snippet:
IF tb_alvdisplay[] IS INITIAL.
MESSAGE e999(/dcsea/zais_msg) WITH text-e01.
ELSE.
IF NOT cb_ufile IS INITIAL "Download to file
AND sy-pagno = 0. "Only down page headers for first page
PERFORM fm_concatenate_path_name USING p_path
p_file
CHANGING v_file.
*Open file for download.
PERFORM fm_open_file USING v_file .
ENDIF.
LOOP AT tb_alvdisplay.
IF NOT cb_ufile IS INITIAL.
*Passing the values of the respective headings to the structure.
ws_rec-vend_no = tb_alvdisplay-vendno.
ws_rec-vend_nm = tb_alvdisplay-vendnm.
ws_rec-title = tb_alvdisplay-vendtl.
ws_rec-add = tb_alvdisplay-add.
ws_rec-city1 = tb_alvdisplay-city1.
ws_rec-region = tb_alvdisplay-region.
ws_rec-country = tb_alvdisplay-country.
ws_rec-pobox = tb_alvdisplay-po.
ws_rec-phone = tb_alvdisplay-telf1.
ws_rec-extn = tb_alvdisplay-extn.
ws_rec-fax = tb_alvdisplay-telfx.
ws_rec-zterm = tb_alvdisplay-zterm.
ws_rec-remark = tb_alvdisplay-remark.
ws_rec-email = tb_alvdisplay-email.
*Passing the separator 'PIPE' to the structure.
ws_rec-sep01 = co_sep.
ws_rec-sep02 = co_sep.
ws_rec-sep03 = co_sep.
ws_rec-sep04 = co_sep.
ws_rec-sep05 = co_sep.
ws_rec-sep06 = co_sep.
ws_rec-sep07 = co_sep.
ws_rec-sep08 = co_sep.
ws_rec-sep09 = co_sep.
ws_rec-sep10 = co_sep.
ws_rec-sep11 = co_sep.
ws_rec-sep12 = co_sep.
ws_rec-sep13 = co_sep.
TRANSFER ws_rec TO v_file.
ENDIF.
AT LAST.
IF NOT cb_ufile IS INITIAL.
*Closing the DATASET file.
CLOSE DATASET v_file.
IF sy-subrc <> 0.
*Failure Message.
MESSAGE e999(/dcsea/zais_msg) WITH text-t04 text-t06.
ELSE.
*Success message.
MESSAGE s999(/dcsea/zais_msg) WITH text-t05.
ENDIF.
ENDIF.
ENDAT.
ENDLOOP.
ENDIF.
Also as Gautham suggested you can use tcode CG3Z or CG3Y incase you are looking to upload the data directly.
FInally, you can search SCN using the keywords, "Upload to AL11" and you'll get loads of results.
Hope this helps.
Harsh -
(Urgent help needed) how to read txt file and store the data into 2D-array?
Hi, I have a GUI which allow to choose file from the file chooser, and when "Read file" button is pressed, I want to show the array data into the textarea.
The sample data is like this followed:
-0.0007 -0.0061 0.0006
-0.0002 0.0203 0.0066
0 0.2317 0.008
0.0017 0.5957 0.0008
0.0024 1.071 0.0029
0.0439 1.4873 -0.0003
I want my program to scan through and store these data into 2D array.
However for some reason, my source code issues errors, and I don't know what's wrong with it, seems to have a problem in StringTokenizer though. Can anybody help me?
Thanks in advance.
import java.io.*;
import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import java.util.StringTokenizer;
public class FileReduction1 extends JFrame implements ActionListener{
// GUI features
private BufferedReader fileInput;
private JTextArea textArea;
private JButton openButton, readButton,processButton,saveButton;
private JTextField textfield;
private JPanel pnlfile;
private JPanel buttonpnl;
private JPanel buttonbar;
// Other fields
private File fileName;
private String[][] data;
private int numLines;
public FileReduction1(String s) {
super(s);
// Content pane
Container cp = getContentPane();
cp.setLayout(new BorderLayout());
// Open button Panel
pnlfile=new JPanel(new BorderLayout());
textfield=new JTextField();
openButton = new JButton("Open File");
openButton.addActionListener(this);
pnlfile.add(openButton,BorderLayout.WEST);
pnlfile.add(textfield,BorderLayout.CENTER);
readButton = new JButton("Read File");
readButton.addActionListener(this);
readButton.setEnabled(false);
pnlfile.add(readButton,BorderLayout.EAST);
cp.add(pnlfile, BorderLayout.NORTH);
// Text area
textArea = new JTextArea(10, 100);
cp.add(new JScrollPane(textArea),BorderLayout.CENTER);
processButton = new JButton("Process");
//processButton.addActionListener(this);
saveButton=new JButton("Save into");
//saveButton.addActionListener(this);
buttonbar=new JPanel(new FlowLayout(FlowLayout.RIGHT));
buttonpnl=new JPanel(new GridLayout(1,0));
buttonpnl.add(processButton);
buttonpnl.add(saveButton);
buttonbar.add(buttonpnl);
cp.add(buttonbar,BorderLayout.SOUTH);
/* ACTION PERFORMED */
public void actionPerformed(ActionEvent event) {
if (event.getActionCommand().equals("Open File")) getFileName();
if (event.getActionCommand().equals("Read File")) readFile();
/* OPEN THE FILE */
private void getFileName() {
// Display file dialog so user can select file to open
JFileChooser fileChooser = new JFileChooser();
fileChooser.setFileSelectionMode(JFileChooser.FILES_ONLY);
int result = fileChooser.showOpenDialog(this);
// If cancel button selected return
if (result == JFileChooser.CANCEL_OPTION) return;
if (result == JFileChooser.APPROVE_OPTION)
fileName = fileChooser.getSelectedFile();
textfield.setText(fileName.getName());
if (checkFileName()) {
openButton.setEnabled(false);
readButton.setEnabled(true);
// Obtain selected file
/* READ FILE */
private void readFile() {
// Disable read button
readButton.setEnabled(false);
// Dimension data structure
getNumberOfLines();
data = new String[numLines][];
// Read file
readTheFile();
// Output to text area
textArea.setText(data[0][0] + "\n");
for(int index=0;index < data.length;index++)
for(int j=1;j<data[index].length;j++)
textArea.append(data[index][j] + "\n");
// Rnable open button
openButton.setEnabled(true);
/* GET NUMBER OF LINES */
/* Get number of lines in file and prepare data structure. */
private void getNumberOfLines() {
int counter = 0;
// Open the file
openFile();
// Loop through file incrementing counter
try {
String line = fileInput.readLine();
while (line != null) {
counter++;
System.out.println("(" + counter + ") " + line);
line = fileInput.readLine();
numLines = counter;
closeFile();
catch(IOException ioException) {
JOptionPane.showMessageDialog(this,"Error reading File",
"Error 5: ",JOptionPane.ERROR_MESSAGE);
closeFile();
System.exit(1);
/* READ FILE */
private void readTheFile() {
// Open the file
int row=0;
int col=0;
openFile();
System.out.println("Read the file");
// Loop through file incrementing counter
try {
String line = fileInput.readLine();
while (line != null)
StringTokenizer st=new StringTokenizer(line);
while(st.hasMoreTokens())
data[row][col]=st.nextToken();
System.out.println(data[row][col]);
col++;
row++;
closeFile();
catch(IOException ioException) {
JOptionPane.showMessageDialog(this,"Error reading File",
"Error 5: ",JOptionPane.ERROR_MESSAGE);
closeFile();
System.exit(1);
/* CHECK FILE NAME */
/* Return flase if selected file is a directory, access is denied or is
not a file name. */
private boolean checkFileName() {
if (fileName.exists()) {
if (fileName.canRead()) {
if (fileName.isFile()) return(true);
else JOptionPane.showMessageDialog(null,
"ERROR 3: File is a directory");
else JOptionPane.showMessageDialog(null,
"ERROR 2: Access denied");
else JOptionPane.showMessageDialog(null,
"ERROR 1: No such file!");
// Return
return(false);
/* FILE HANDLING UTILITIES */
/* OPEN FILE */
private void openFile() {
try {
// Open file
FileReader file = new FileReader(fileName);
fileInput = new BufferedReader(file);
catch(IOException ioException) {
JOptionPane.showMessageDialog(this,"Error Opening File",
"Error 4: ",JOptionPane.ERROR_MESSAGE);
System.out.println("File opened");
/* CLOSE FILE */
private void closeFile() {
if (fileInput != null) {
try {
fileInput.close();
catch (IOException ioException) {
JOptionPane.showMessageDialog(this,"Error Opening File",
"Error 4: ",JOptionPane.ERROR_MESSAGE);
System.out.println("File closed");
/* MAIN METHOD */
/* MAIN METHOD */
public static void main(String[] args) throws IOException {
// Create instance of class FileChooser
FileReduction1 newFile = new FileReduction1("File Reduction Program");
// Make window vissible
newFile.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
newFile.setSize(500,400);
newFile.setVisible(true);
Java.lang.NullpointException
at FileReductoin1.readTheFile <FileReduction1.java :172>
at FileReductoin1.readFile <FileReduction1.java :110>
at FileReductoin1.actionPerformed <FileReduction1.java :71>
.1) Next time use the CODE tags. this is way too much unreadable crap.
2) The problem is your String[][] data.... the only place I see you do anything approching initializing it is
data = new String[numLines][];I think you want to do this..
data = new String[numLines][3];anyway that's why it's blowing up on the line
data[row][col]=st.nextToken(); -
How to Create a Rich Dynamic Input and Output PDF to insert and get data into, from Database (MSSQL)
HI ,
I want to use Adobe LiveCycle Designer and Adobe LiveCycle Workbench features to create a Dynamic PDF form which can allow me to store data into database(MSSQL Server) and Can also provide me the Output PDF form with all the information which has been been filled in by the User in input form. Both Input and Output forms must be Dynamic. I am stuck in this process and Need Experts Advice on the Complete optimal process flow of the Adobe.
Regards
Ritesh GroverHI
Go to the lay out of your screen and doublr click on the table control fields, you can get the Properties/Attribute of the screen or table control Fields
Assing a Group GRP1 for all the fields i n the table control.
in PBO
if ok_code = 'INPUT'.
LOOP AT SCREEN.
IF screen-grp1 = 'GRP1'.
screen-input = 1.
modify screen.
endif.
ENDLOOP.
elseif ok_code = 'OUTPUT'.
LOOP AT SCREEN.
if screen-grp1 = 'GRP1'.
screen-input = 0.
modify screen.
endif.
endloop.
endif.
Regards
Ramchander Rao.K
Edited by: Ramchander Krishnamraju on Aug 8, 2009 5:27 AM -
How to convert BLOB data into string format.
Hi,
I have problem while converting blob data into string format.
for example,
Select dbms_lob.substr(c.shape.Get_wkb(),4000,1) from geotable c
will get me the first 4000 byte of BLOB .
When i using SQL as i did above,the max length is 4000, but i can get 32K using plsql as below:
declare
my_var CLOB;
BEGIN
for x in (Select X from T)
loop
my_var:=dbms_lob.substr(x.X,32767,1)
end loop
return my_var;
I comfortably convert 32k BLOB field to string.
My problem is how to convert blob to varchar having size more than 32K.
Please help me to resolve this,
Thanx in advance for the support,
NileshNilesh,
. . . .The result of get_wkb() will not be human readable (all values are encoded into some binary format).
SELECT utl_raw.cast_to_varchar2(tbl.geometry.get_wkt()) from FeatureTable tbl;
-- resulting string:
☺AW(⌂özßHAA
Å\(÷. . . .You may also want to have a look at { dbms_lob | http://download.oracle.com/docs/cd/B19306_01/appdev.102/b14258/d_lob.htm#i1015792 } "The DBMS_LOB package provides subprograms to operate on BLOBs, CLOBs, NCLOBs, BFILEs, and temporary LOBs."
Regards,
Noel -
How to Download data into Chunks?
Hi Guys,
Can anybody tell me How to download the data into chunks for ex consider BSEG table for this table ?how can we download the data into chunks from SAP Database?
Can anybody tell me how to use Open Cursor and what is meant by Open Cursor?
Thanks,
Gopi.Hi Gopi,
The only change that you have to do is vary the PACKAGE SIZE according to your need. Instead of 300,000 which is set right now, give the PACKAGE SIZE as 1,000,000. But that all depends upon your requirement.
Now, I think your limit is 350,000. If that is the case, then give PACKAGE SIZE 350,000 and instead of writing open dataset outside SELECT, put in before ENDSELECT.
i.e.
DATA : it_bseg TYPE TABLE OF bseg,
v_size TYPE i VALUE '350000',
v_filename TYPE string VALUE give application server path + file name.
SELECT *
FROM bseg
INTO TABLE it_bseg PACKAGE SIZE v_size
WHERE condition.
IF it_bseg[] IS NOT INITIAL.
OPEN DATASET v_filename FOR APPENDING IN TEXT MODE ENCODING DEFAULT.
SORT IT_BSEG BY BELNR.
LOOP AT it_bseg INTO x_bseg
TRANSFER x_bseg TO v_filename.
ENDLOOP.
CLOSE DATASET v_filename.
ENDIF.
ENDSELECT.
Reward points if the answer is helpful.
Thankx,
Mukul -
Timed Loop timing source - Control Loop From Task is too slow
I'm trying to make a Timed Loop run at a period of 2 ms, with an analog input task running at 50 kHz as timing source. The input analog signal is scaled and fed into a synchronised analog output task on the same multifunction DAQ board. Using the built-in 1 kHz or 1 MHz clock as timing source for the Timed Loop works great, except for a slight time lag between the loop and my AI/AO tasks which over time becomes unacceptable because my task will be running for up to an hour. However, when I use the DAQmx Create Timing Source: Control Loop From Task vi to create a timing source, everything slows down and the fastest loop time I can get is around 20 ms. Any suggestions to get around this would be highly appreciated!
System: LabVIEW RT 8.0 with DAQmx 8.0 running on an NI PXI-8186; NI PXI-6251 used for analog input.You're welcome!
You can build an array, and if your data is not hugh (100's of MB) this may be the easiest solution. However, we aways suggest implementing the Producer/Consumer Architecture. Keep the PID in the Producer loop, but move the File IO to the Consumer. Also, it appears that your instrument uses some form of serial communication, so that could cause lags in your system....
What is your application about in general, what performance are you hoping for, etc?
Joshua B.
National Instruments
NI Services
NI Support Resources
NI Training Resources
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