Controls & Instrumentation http://hydraulicspneumatics.com/taxonomy/term/6609/more en serv-Clip Device Taps into Hydraulic Lines http://hydraulicspneumatics.com/technologies/serv-clip-device-taps-hydraulic-lines <div class="field-deck"> The potentially complicated task of installing test ports onto existing systems is made easier. </div> <div class="node-body article-body"><p>The benefits of assessing a hydraulic system&rsquo;s condition are well documented. Even though pressure transducers, flow meters, and temperature sensors may not be required for routine operation of a machine, portable diagnostic instruments monitor these parameters to determine a hydraulic system&rsquo;s condition. But even regular monitoring of pressure, flow, and temperature can miss sensitive fluid conditions, such as particulate contamination, oxidation, water infiltration, and additive depletion.</p></div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/technologies/serv-clip-device-taps-hydraulic-lines" target="_blank">read more</a></p> http://hydraulicspneumatics.com/technologies/serv-clip-device-taps-hydraulic-lines#comments Technologies Controls & Instrumentation Hydraulic Pumps & Motors Wed, 16 Apr 2014 15:17:00 +0000 26341 at http://hydraulicspneumatics.com A Logical Choice for Relief Valves http://hydraulicspneumatics.com/technologies/logical-choice-relief-valves <div class="field-deck"> Logic element technology can boost the flow (and pressure) capability of electroproportional relief valve circuits. </div> <div class="node-body article-body">Effective use of logic elements is a key to designing cost-effective circuits and is limited only by the designer’s imagination. Most experienced hydraulic circuit designers know and understand the many ways to apply logic elements. </div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/technologies/logical-choice-relief-valves" target="_blank">read more</a></p> http://hydraulicspneumatics.com/technologies/logical-choice-relief-valves#comments Technologies Controls & Instrumentation Hydraulic Pumps & Motors Pneumatic Valves Tue, 15 Apr 2014 16:35:00 +0000 26321 at http://hydraulicspneumatics.com Bionic Kangaroo Brought to Life by Pneumatics http://hydraulicspneumatics.com/cylinders-actuators/bionic-kangaroo-brought-life-pneumatics <div class="field-byline"> Iliza Sokol </div> <div class="node-body article-body">Festo’s BionicKangaroo combines both pneumatic and electric drive components to accurately replicate the jumping pattern of an actual kangaroo.</div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/cylinders-actuators/bionic-kangaroo-brought-life-pneumatics" target="_blank">read more</a></p> http://hydraulicspneumatics.com/cylinders-actuators/bionic-kangaroo-brought-life-pneumatics#comments Entertainment Controls & Instrumentation Cylinders & Actuators Pneumatic Valves Fri, 11 Apr 2014 16:22:00 +0000 26281 at http://hydraulicspneumatics.com Speed sensors for hydraulic motors http://hydraulicspneumatics.com/controls-amp-instrumentation/speed-sensors-hydraulic-motors <div class="node-body article-body"><p>FP-HP magnetic rotational-speed sensors, for use in hydraulic drives with pressures up to 275 bar, feature a 14.7-mm insert depth. A heavy-duty brass housing keeps dirt and moisture out, and the sensors operate over a 0.1 to 20,000-Hz range to guarantee high-EMC stability.</p></div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/controls-amp-instrumentation/speed-sensors-hydraulic-motors" target="_blank">read more</a></p> http://hydraulicspneumatics.com/controls-amp-instrumentation/speed-sensors-hydraulic-motors#comments Products Controls & Instrumentation Fri, 14 Mar 2014 18:19:00 +0000 25661 at http://hydraulicspneumatics.com Electronic Controls Deliver Precise Pneumatic Motion http://hydraulicspneumatics.com/controls-amp-instrumentation/electronic-controls-deliver-precise-pneumatic-motion <div class="field-byline"> Dennis Ritola, Design Engineer, Delta Computer Systems Inc. Battle Gound, Wash. </div> <div class="field-deck"> Advanced controllers let pneumatic actuators match the precision of electromechanical systems. </div> <div class="node-body article-body"><p><img alt="" src="/site-files/hydraulicspneumatics.com/files/uploads/2014/02/RMC-controllers_0.gif" style="width: 300px; height: 169px; margin: 5px; float: right;" title="Delta Computer Systems’ RMC75 (left) and RMC150 motion controllers can simultaneously control up to two and eight motion axes, respectively, and transition smoothly between position and pressure control." />When compared to other motion-control methods, there are many reasons to consider powering machines with pneumatics.</p></div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/controls-amp-instrumentation/electronic-controls-deliver-precise-pneumatic-motion" target="_blank">read more</a></p> http://hydraulicspneumatics.com/controls-amp-instrumentation/electronic-controls-deliver-precise-pneumatic-motion#comments Controls & Instrumentation Tue, 18 Feb 2014 22:33:00 +0000 25291 at http://hydraulicspneumatics.com Inclination sensor keeps things level http://hydraulicspneumatics.com/controls-amp-instrumentation/inclination-sensor-keeps-things-level <div class="node-body article-body">Keeping the work platform of aerial lifts level is a primary safety concern, and LPI inclinometers closely monitor horizontal orientation in one or two axes to close the loop in electrohydraulic positioning controls. </div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/controls-amp-instrumentation/inclination-sensor-keeps-things-level" target="_blank">read more</a></p> http://hydraulicspneumatics.com/controls-amp-instrumentation/inclination-sensor-keeps-things-level#comments Controls & Instrumentation Tue, 18 Feb 2014 17:06:00 +0000 25231 at http://hydraulicspneumatics.com Sensor detects piston position in accumulators http://hydraulicspneumatics.com/controls-amp-instrumentation/sensor-detects-piston-position-accumulators <div class="node-body article-body">Simplified drawing explains operation of SL720 position sensor and shows major components. Hybrid hydraulic drives use accumulators to store kinetic energy from braking as hydraulic energy instead of braking a vehicle ...</div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/controls-amp-instrumentation/sensor-detects-piston-position-accumulators" target="_blank">read more</a></p> Accumulators Controls & Instrumentation Thu, 05 Dec 2013 05:00:00 +0000 24471 at http://hydraulicspneumatics.com Integral control can correct disturbances in electrohydraulic systems http://hydraulicspneumatics.com/controls-amp-instrumentation/integral-control-can-correct-disturbances-electrohydraulic-systems <div class="node-body article-body">The effects of disturbances in closed-loop electrohydraulic control systems can be measured. Therefore, they can be corrected — within limits.</div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/controls-amp-instrumentation/integral-control-can-correct-disturbances-electrohydraulic-systems" target="_blank">read more</a></p> http://hydraulicspneumatics.com/controls-amp-instrumentation/integral-control-can-correct-disturbances-electrohydraulic-systems#comments Controls & Instrumentation Hydraulic Valves Mon, 11 Nov 2013 16:18:00 +0000 24261 at http://hydraulicspneumatics.com Advances in Electronic Control of Hydraulic Servo Systems — Part 2 http://hydraulicspneumatics.com/controls-amp-instrumentation/advances-electronic-control-hydraulic-servo-systems-part-2 <div class="field-byline"> Peter Nachtwey, Delta Computer Systems Inc. </div> <div class="field-deck"> Manual tuning of electrohydraulic systems is best left to the experts. But auto tuning can adjust machine controls to not only get a machine up and running quickly, but also optimize its operation. </div> <div class="node-body article-body"><p> <img alt="" src="/site-files/hydraulicspneumatics.com/files/uploads/2013/10/Visual-for-Nachtwey-article.gif" style="width: 400px; height: 299px; margin: 5px; float: right;" />Part one of &ldquo;Advances in Electronic Control of Hydraulic Servo Systems,&rdquo; published in the July 2013 issue of Hydraulics &amp; Pneumatics, covered how to optimize control of servo hydraulic systems: design, challenges, and, ultimately, a solution. The solution used a model to estimate the velocity and acceleration as a function of the control output.</p></div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/controls-amp-instrumentation/advances-electronic-control-hydraulic-servo-systems-part-2" target="_blank">read more</a></p> http://hydraulicspneumatics.com/controls-amp-instrumentation/advances-electronic-control-hydraulic-servo-systems-part-2#comments Controls & Instrumentation Tue, 08 Oct 2013 15:22:00 +0000 23851 at http://hydraulicspneumatics.com Integral control for electrohydraulic servosystems http://hydraulicspneumatics.com/controls-amp-instrumentation/integral-control-electrohydraulic-servosystems <div class="node-body article-body"><p> To understand the function of and need for integral control, you must understand the shortcomings and limitations of the proportional electrohydraulic positioning servomechanism. A simplified, combined cutaway and block diagram is shown in Figure 1.</p></div> <div class="og_rss_groups"></div><p><a href="http://hydraulicspneumatics.com/controls-amp-instrumentation/integral-control-electrohydraulic-servosystems" target="_blank">read more</a></p> http://hydraulicspneumatics.com/controls-amp-instrumentation/integral-control-electrohydraulic-servosystems#comments Controls & Instrumentation Hydraulic Valves Fri, 04 Oct 2013 18:35:00 +0000 23721 at http://hydraulicspneumatics.com