Abstract: Disclosed is a detection device for a working surface. The detection device (100) comprises: a plurality of hydraulic supports (101), a laser ranging set (102), a displacement sensor (103), a hydroelectric signal conversion module (104), and a support controller (105) which are disposed on a working surface. The laser ranging set (102) is disposed below a top beam of a first target hydraulic support among the plurality of hydraulic supports and parallel to a post of the first target hydraulic support, and is configured to determine error length and send the error length to the hydroelectric signal conversion module (104). The displacement sensor (103) is configured to at least obtain the degrees of inclination of the hydraulic supports (101) and send the degrees of inclination to the hydroelectric signal conversion module (104).

Abstract: Techniques are provided for isolating failed routing resources on a programmable circuit. Failing test patterns and the test logs are fed to a Statistical Failure Isolation (SFI) tool. The SFI tool extracts failing paths from the test patterns. A statistical analysis is performed on interconnect resources related to failing paths. The resources on the paths are then tallied to create a histogram of resources. These resources are then be fed into an Adaptive Failure Isolation (AFI) tool to auto-generate verification patterns. A tester uses the verification patterns to isolate failed interconnect resources.

Abstract: The present invention provides a bit error rate tester implemented in a programmable logic device. Any or all of the components of the bit error rate tester may be implemented through software by programming the programmable logic circuitry of the programmable logic device to implement the components of the bit error rate tester. The bit error tester may determine the bit error rate of any suitable interface either within the programmable logic device or external to the programmable logic device. In order to allow a user to interact with the bit error rate tester, user equipment, such as a personal computer, may be coupled to the bit error rate tester.

Abstract: Techniques are provided for isolating failed routing resources on a programmable circuit. Failing test patterns and the test logs are fed to a Statistical Failure Isolation (SFI) tool. The SFI tool extracts failing paths from the test patterns. A statistical analysis is performed on interconnect resources related to failing paths. The resources on the paths are then tallied to create a histogram of resources. These resources are then be fed into an Adaptive Failure Isolation (AFI) tool to auto-generate verification patterns. A tester uses the verification patterns to isolate failed interconnect resources.