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1. WO2020113179 - SYSTÈMES DE SÉCURITÉ NÉCESSITANT UNE ACTIVATION DE FONCTION INTENTIONNELLE ET SYSTÈMES DE TEST DE MATÉRIEL COMPRENANT DES SYSTÈMES DE SÉCURITÉ NÉCESSITANT UNE ACTIVATION DE FONCTION INTENTIONNELLE

Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

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CLAIMS

What is claimed is:

1. A material testing system, comprising:

an actuator configured to control an operator- accessible component of the material testing system;

an operator interface comprising a plurality of inputs; and

one or more processors configured to:

control the actuator based on at least one of a material testing process or an input from the operator interface; and

require two or more inputs to be received within a predetermined threshold time to permit at least one operation of the actuator.

2. The material testing system as defined in claim 1, wherein the one or more processors are configured to require the two or more inputs to initiate each operation of the actuator by the processor.

3. The material testing system as defined in claim 1, wherein the one or more processors are configured to, in response to pausing or cessation of the operation of the actuator, require the two or more inputs to restart the operation or start a different operation.

4. The material testing system as defined in claim 1, wherein the operator interface comprises a button configured to output an unlocking signal while the button is depressed, wherein the one or more processors are configured to use the unlocking signal as one of the two or more inputs.

5. The material testing system as defined in claim 1, wherein the operator-accessible component comprises an automatic grip configured to grip a material under test, wherein the actuator is configured to actuate the automatic grip, and the at least one operation comprises applying more than a threshold pressure via the automatic grip.

6. The material testing system as defined in claim 5, wherein the one or more processors are configured to permit control of the actuator to apply less than the threshold pressure via the automatic grip while fewer than the two or more inputs are received.

7. The material testing system as defined in claim 1, wherein the operator-accessible component comprises a crosshead configured to move to position a material under test or to apply force to the material under test, wherein the at least one operation comprises at least one of moving of the crosshead or applying the force to the material under test.

8. The material testing system as defined in claim 1, wherein the operator-accessible component comprises a crosshead configured to move to position a material under test or to apply force to the material under test, wherein the at least one operation comprises moving the crosshead at at least a threshold speed.

9. The material testing system as defined in claim 8, wherein the one or more processors are configured to permit control of the actuator to move the crosshead at less than the threshold speed while fewer than the two or more inputs are received.

10. The material testing system as defined in claim 1, wherein the one or more processors are configured to, during operation of the actuator, cease operation of the actuator in response to determining that at least one of the two or more inputs is no longer being received.

11. The material testing system as defined in claim 1, wherein the one or more processors are configured to, during operation of the actuator, cease operation of the actuator in response to determining that none of the two or more inputs are being received.

12. The material testing system as defined in claim 1, wherein the one or more processors are configured to, during operation of the actuator, continue operation of the actuator after the two or more inputs are no longer being received.

13. The material testing system as defined in claim 12, wherein the one or more processors are configured to cease operation of the actuator based on at least one of a conclusion of the material testing process, a pause in the material testing process, or an input from the operator interface.

14. The material testing system as defined in claim 1, wherein the one or more processors comprise:

a control processor configured to perform the control of the actuator; and one or more safety processors configured to identify the two or more inputs and to permit at least one operation of the actuator.

15. A material testing system, comprising:

an actuator configured to control an operator- accessible component of the material testing system;

an operator interface comprising a plurality of inputs;

a camera and a video processor configured to:

detect an intrusion by processing images output by the camera; and output a non-detection signal in response to determining that an intrusion is not detected; and

one or more processors configured to:

control the actuator based on at least one of a material testing process or an input from the operator interface; and

require two or more inputs to be received to permit at least one operation of the actuator, at least one of the two or more inputs comprising the non-detection signal.

16. A material testing system, comprising:

an actuator configured to control an operator- accessible component of the material testing system;

an operator interface comprising a plurality of inputs;

a pressure sensitive surface configured to:

detect the presence of a pressure on the surface; and

output a pressure signal in response to detecting the pressure; and one or more processors configured to:

control the actuator based on at least one of a material testing process or an input from the operator interface; and

require two or more inputs to be received to permit at least one operation of the actuator, at least one of the two or more inputs comprising the non-detection signal.

17. A material testing system, comprising:

an actuator configured to control an operator- accessible component of the material testing system;

an operator interface comprising a plurality of inputs;

an operator detection switch configured to output a switch signal while the switch is actuated; and

one or more processors configured to:

control the actuator based on at least one of a material testing process or an input from the operator interface; and

require two or more inputs to be received to permit at least one operation of the actuator, at least one of the two or more inputs comprising the switch signal.

18. A material testing system, comprising:

an actuator configured to control an operator- accessible component of the material testing system;

an operator interface comprising a plurality of inputs;

a presence detector configured to:

detect a presence of an operator within a predefined volume; and output a presence signal when an operator is detected within the volume; and one or more processors configured to:

control the actuator based on at least one of a material testing process or an input from the operator interface; and

require two or more inputs to be received to permit at least one operation of the actuator, at least one of the two or more inputs comprising the presence signal.

19. A material testing system, comprising:

an actuator configured to control an operator- accessible component of the material testing system;

an operator interface comprising a plurality of inputs;

a proximity sensor configured to:

monitor whether an operator is within a predetermined proximity of the proximity switch; and

output a non-proximity signal when an operator is not detected within the predetermined proximity; and

one or more processors configured to:

control the actuator based on at least one of a material testing process or an input from the operator interface; and

require two or more inputs to be received to permit at least one operation of the actuator, at least one of the two or more inputs comprising the non-proximity signal.