1. A method for tuning a solid state disk memory, comprising:
computing a metric representing a usage trend of a solid state disk memory;
determining whether one or more parameters need to be adjusted to provide a change in performance;
adjusting the one or more parameters in accordance with the metric to change the performance; and
repeating the steps of computing, determining and adjusting after an elapsed time interval.
2. The method as recited in claim 1, wherein computing a metric includes computing a linearity metric by comparing usage pattern data over at least two time intervals.
3. The method as recited in claim 1, wherein computing a metric includes employing a regression technique to compare usage pattern data over time.
4. The method as recited in claim 1, wherein computing a metric includes employing a logical to physical translation table to obtain usage pattern data.
5. The method as recited in claim 1, wherein determining whether one or more parameters need to be adjusted includes comparing metrics or historic changes in metrics to a lookup table to determine an adjustment type.
6. The method as recited in claim 1, wherein determining whether one or more parameters need to be adjusted includes computing an adjustment type by inputting metrics or historic changes in metrics into a formula.
7. The method as recited in claim 1, wherein adjusting the one or more parameters includes comparing metrics or historic changes in metrics to a lookup table to an adjustment amount.
8. The method as recited in claim 1, wherein adjusting the one or more parameters includes computing an adjustment amount by inputting metrics or historic changes in metrics into a formula.
9. The method as recited in claim 1, wherein adjusting the one or more parameters includes adjusting the one or more parameters dynamically during usage of the solid state disk.
10. The method as recited in claim 1, wherein adjusting the one or more parameters includes adjusting one or more of: a log block write mechanism, a garbage collector andor wear-leveling mechanism.
11. The method as recited in claim 1, wherein adjusting the one or more parameters includes adjusting one or more of: a number of data blocks versus log blocks, a number of pages to prefetch, a block-based or page-based mode, a granularity of memory size, andor a type of flash memory access.
12. A method for tuning a solid state disk memory, comprising:
computing a linearity metric by employing a logical to physical translation table to obtain usage pattern data representing a usage trend of a solid state disk memory over one or more time intervals;
determining whether a parameter needs to be adjusted to provide a change in performance by consulting a lookup table or formula; and
adjusting the parameter in accordance with the metric to change the performance.
13. The method as recited in claim 12, wherein computing a linearity metric includes employing a regression technique to compare usage pattern data over time.
14. The method as recited in claim 12, wherein determining whether a parameter needs to be adjusted includes comparing metrics or historic changes in metrics to the lookup table to determine an adjustment type.
15. The method as recited in claim 12, wherein determining whether a parameter needs to be adjusted includes computing an adjustment type by inputting metrics or historic changes in metrics into the formula.
16. The method as recited in claim 12, wherein adjusting the parameter includes determining an adjustment amount by comparing the linearity metrics in a lookup table of tuning parameters.
17. The method as recited in claim 12, wherein adjusting the parameter includes determining an adjustment amount by inputting linearity metrics or historic changes in metrics into a tuning formula.
18. The method as recited in claim 12, wherein adjusting the parameter includes adjusting the parameter dynamically during usage of the solid state disk.
19. The method as recited in claim 12, wherein adjusting the parameter includes adjusting the parameter of one or more of: a log block write mechanism, a garbage collector andor wear-leveling mechanism.
20. The method as recited in claim 12, wherein adjusting the parameter includes adjusting the parameter of one or more of: a number of data blocks versus log blocks, a number of pages to prefetch, a block-based or page-based mode, a granularity of memory size andor a type of flash memory access.
21. The method as recited in claim 12, further comprising rechecking whether adjustments are needed after an elapsed time interval.
22. A method for tuning a solid state disk memory, comprising:
receiving access request information in a solid state disk controller;
storing the access request information in a translation table;
computing a linearity metric, using a regression technique, from the access request information in the translation table to obtain usage pattern data representing a usage trend of a solid state disk memory over one or more time intervals;
determining whether a parameter needs to be tuned to provide increased memory lifetime by consulting a lookup table or formula;
adjusting the parameter in accordance with the metric to increase an overall lifetime of the solid state disk memory; and
rechecking whether adjustments are needed after an elapsed time interval.
23. The method as recited in claim 22, wherein adjusting the parameter includes adjusting the parameter dynamically during usage of the solid state disk.
24. The method as recited in claim 22, wherein adjusting the parameter includes adjusting the parameter of one or more of: a log block write mechanism, a garbage collector andor wear-leveling mechanism.
25. The method as recited in claim 22, wherein adjusting the parameter includes adjusting the parameter of one or more of: a number of data blocks versus log blocks, a number of pages to prefetch, a block-based or page-based mode, a granularity of memory size, andor a type of memory access.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A brake device for a conveying device for braking a conveying vehicle moving along a movement path, comprising at least one brake member for creating a braking contact with the conveying vehicle,
wherein
the brake member comprises at least one deflection member and at least one flexible brake body with a braking-active body section, said brake body being revolvingly led around the at least one deflection member.
2. The brake device according to claim 1, wherein the brake device forms a braking section, through which the braking-active body section runs.
3. The brake device according to claim 1, wherein the brake device comprises a drive device for the revolving drive of the brake body.
4. The brake device according to claim 1, wherein brake elements for creating a frictional braking contact with the conveying vehicle are attached on the brake body.
5. The brake device according to claim 1, wherein the brake body is led round at least two deflection members such as cogs, which are distanced to one another.
6. The brake device according to claim 5, wherein the brake body between the two deflection members forms an upper body section and a lower, braking-active body section.
7. The brake device according to claim 1, wherein the braking-active body section in the braking section is designed in a freely-hanging manner if no conveying vehicles are present in the braking section.
8. The brake device according to claim 1, wherein the brake device comprises a loading device, via which a loading force can be exerted onto the braking-active body section in the braking section.
9. The brake device according to claim 1, wherein the brake body is a chain.
10. The brake device according to claim 1, wherein the braking-active body section in the braking section, considered in the movement direction runs laterally of a guide rail for the conveying vehicles.
11. The brake device according to claim 1, wherein the brake device considered in the movement direction comprises two flexible brake bodies that are arranged next to one another.
12. The brake device according to claim 11, wherein the two brake bodies considered in the movement direction, in the braking section are arranged laterally of a guide rail for the conveying vehicles so that the guide rail in the braking section leads through between the two brake bodies.
13. A conveying device with a brake device according to claim 1 and with at least one conveying vehicle moving along a movement path.
14. The conveying device according to claim 13, wherein the conveying device comprises a conveying rail, along which the at least one conveying vehicle can be moved through the braking section of the brake device.
15. The conveying device according to claim 13, wherein the at least one conveying vehicle in each case comprises a contact element with a contact surface for creating a braking contact with the brake body.
16. The conveying device according to claim 13, wherein the braking-active body section, in the braking section is arranged above the contact surface of the contact element of a conveying vehicle moving through the braking section.
17. The conveying device according to claim 13, wherein the contact element is an element projecting laterally of the conveying vehicle considered in the movement direction.
18. A method for braking a conveying vehicle moving along a movement path, by way of a braking device according to claim 1,
wherein
the conveying vehicle in a braking section of the brake device hits the braking-active body section of at least one brake body and moves along the braking section amid the formation of a braking contact.
19. The method according to claim 18, wherein at least one brake body is driven, wherein the conveying vehicle moving into the braking section is braked to the speed of the braking-active body section and leaves the braking section at the speed of the driven, braking-active body section.
20. The method according to claim 19, wherein, on creation of the braking contact with the conveying vehicle in the braking section, the braking-active body section is lifted in the region of the braking contact.
21. The method according to claim 20, wherein the braking-active body section executes a wave-like movement propagating in the movement direction of the conveying vehicle, by way of the lifting and lowering.