Piezoelectric film load cell robot collision detector
A piezoelectric load cell which can be utilized for detecting collisions and obstruction of a robot arm end effector includes a force sensing element of metallized polyvinylidene fluoride (PVDF) film. The piezoelectric film sensing element and a resilient support pad are clamped in compression between upper and lower plates. The lower plate has a central recess in its upper face for supporting the support pad and sensing element, while the upper plate has a corresponding central projection formed on its lower face for bearing on the sensing element and support pad. The upper and lower plates are dowelled together for concentric alignment and screwed together. The upper and lower plates are also adapted for mounting between the robot arm wrist and end effector. 3 figs.
- Research Organization:
- Allied-Signal Aerospace Co., Kansas City, MO (USA). Kansas City Div.
- DOE Contract Number:
- AC04-76DP00613
- Assignee:
- Dept. of Energy
- Patent Number(s):
- PATENTS-US-A7168367
- Application Number:
- ON: DE89010117
- OSTI ID:
- 6288436
- Resource Relation:
- Other Information: Portions of this document are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
ROBOTS
SENSITIVITY
DESIGN
INVENTIONS
MANIPULATORS
PIEZOELECTRICITY
ELECTRICITY
EQUIPMENT
LABORATORY EQUIPMENT
MATERIALS HANDLING EQUIPMENT
REMOTE HANDLING EQUIPMENT
420200* - Engineering- Facilities
Equipment
& Techniques
420800 - Engineering- Electronic Circuits & Devices- (-1989)