Engineering Glossary: J
8 definitions in plain language.
8 terms beginning with J. Use the filter to narrow the list, or the letters to jump to another part of the glossary.
8 terms
- Jacobian #
- A matrix that relates joint speeds to the speed of the robot tool. Automation, controls and robotics
- Jig #
- A device that holds a workpiece and also guides the tool, such as a drill jig. Materials, manufacturing and measurement
- Joint stiffness #
- How hard the clamped parts and the bolt are to deform; it sets how the external load is shared between them. Mechanical design and mechanics
- Joule #
- The SI unit of energy and work: one newton meter. Math, units, quality and workshop Read more: Energy Converter
- Joule heating #
- The heat produced when current flows through a resistance: I²R. Electrical power and machines
- Journal bearing #
- A plain bearing in which a shaft turns in a sleeve, separated by a film of lubricant. Mechanical design and mechanics
- JSON #
- A text format for structured data, made of names and values, used for web data exchange. Programming, data and computing
- JTAG #
- A standard test and debug interface for microcontrollers and circuit boards. Programming, data and computing