BS 5703-3:2003
$167.15
Guide to data analysis and quality control using cusum techniques – Cusum methods for process/quality control using measured data
Published By | Publication Date | Number of Pages |
BSI | 2003 | 40 |
PDF Catalog
PDF Pages | PDF Title |
---|---|
1 | BRITISH STANDARD |
2 | Committees responsible for this British Standard |
3 | Contents |
5 | Introduction 1 Scope 2 Normative references 3 Terms and definitions 4 Symbols (and abbreviated terms) |
6 | 5 Cusum methods for process/quality control 5.1 Definition of a process 5.2 Process parameters 5.3 Product characteristics |
7 | 5.4 Nature of changes to be detected |
8 | 5.5 Selecting target values |
9 | 6 Cusum schemes for monitoring mean values 6.1 Standard schemes Figure 1 – Flowchart for setting up a cusum scheme to monitor the mean value |
10 | Table 1 – Standard cusum schemes for subgroup means |
11 | Table 2 – Comparison of performance of standard cusum schemes for subgroup means |
12 | Table 3 |
13 | Table 4 – Table for cusum calculations |
14 | Figure 2 – Example cusum graph paper |
15 | Figure 3 – Cusum mask |
16 | Figure 4 – An example of an out-of-control cusum plot |
18 | Figure 5 – Schematic example of a look-up graph for the shift from target 6.2 Limitations of standard schemes |
19 | 6.3 Design of specific “tailored” cusum schemes Figure 6 – Intercept chart for mask parameters (assuming a normal variable) |
20 | 7 Cusum schemes for monitoring variation 7.1 General 7.2 Cusum schemes using subgroup ranges |
21 | Figure 7 – Flowchart for setting up a cusum scheme to monitor the range |
22 | Table 5 – Standard cusum schemes for subgroup ranges |
23 | Table 6 – Comparison of performance (ARL) of standard cusum schemes for subgroup ranges |
24 | Table 7 – Cusum graph paper for range scale coefficients |
26 | 7.3 Cusum schemes using subgroup standard deviations Table 8 – Standard cusum schemes for subgroup standard deviations |
27 | Table 9 – Comparison of performance (ARL) of standard cusum schemes for subgroup standard deviations |
28 | Table 10 |
29 | Table 11 – Cusum graph paper scale coefficients for within-subgroup standard deviation cusum 8 Special situations 8.1 Handling between-subgroup variation 8.2 Cusum schemes for individual data points |
30 | 8.3 Serial dependence between observations Table 12 – Critical intervals for the correlation coefficient |
31 | 8.4 Handling outliers (results that have extreme values far removed from the main body of the data) |
32 | Annex A (informative) Examples A.1 Cusum scheme for one-at-a-time data A.1.1 Case information Table A.1 – Table for cusum calculations |
33 | Figure A.1 – Cusum plot and mask for mean |
34 | Figure A.2 – Cusum plot and mask for range |
35 | A.2 Cusum scheme for subgroup means and ranges data A.2.2 Case information Table A.2 – Table for cusum calculations (for subgroup) |
36 | Figure A.3 – Cusum plot and mask for mean |
37 | Figure A.4 – Cusum plot and mask for range |