### multivariable controller for sag mill

the cube optimiserscontrol of a sag mill. multivariable multivariable controller for sag mill. control of ball mill grinding circuit using modelcontrol of get price. paper # 068sag ball mill control by model predictive controllers on .

Get Price### expert mill control at anglogold ashanti

control are discussed. the rom sag mill circuit—a brief description the typical rom sag mill circuit is depicted in figure 1. the circuit is usually closed with either a screen or, more commonly, a cyclone for product size classification. the focus of control can be divided into two parts, viz. the

Get Price### evolution of sag mill process control at the xstrata

development of a sag mill controller owing to the highly variable feed conditions, the mill required the constant attention of plant operators in order to prevent overloading or losing the sag charge resulting in consequent damage to liners. focus was therefore placed specifically on improving sag control.

Get Price### evolution of sag mill process control at the xstrata

development of a sag mill controller owing to the highly variable feed conditions, the mill required the constant attention of plant operators in order to prevent overloading or losing the sag charge resulting in consequent damage to liners. focus was therefore placed specifically on improving sag control.

Get Price### 1multivariable controller for sag mill

control sag mill sound detectiongrinding . where i work now minera san cristobal in bolivia we use sound control on both the sag and ball mills. the result of this control is a 25 increase in throughput over the plant design with a 10 reduction in energy consumption the mill is more efficient. the mill control manipulates the feed rate and mill

Get Price### sag mill control

sag mill control is essentially the stabilisation of mill load (and/or power) and density which can be implemented successfully and very cost-effectively on most modern plc or dcs platforms. the application of advanced regulatory control is a mipac speciality which we have

Get Price### using fuzzy control to optimize sag mill production

sag mill example to illustrate the power of fuzzy logic we will next look at its application in controlling a typical sag mill circuit as is shown in figure 2. figure 2. typical sag mill configuration as defined in knowledgescape. an example of controlling sag mill speed will be

Get Price### 1multivariable controller for sag mill

the 2 control engineeringcontrol engineering experts cover automation, control, and instrumentation technologies for automation engineers who design, integrate, implement, maintain, and manage control, automation, and instrumentation systems, components, and equipment to do how to optimaze the millpower at sag millsag mill is an investment that

Get Price### brainwave sag mill - andritz

control stabilization for sag mills. brainwave is ideally suited to stabilize the operation of sag mills. effective grinding in a sag mill depends largely on how it is loaded. a mill containing too much material does not allow for adequate movement of the ore and balls. a mill that does not contain enough material does not take advantage of the

Get Price### 1multivariable controller for sag mill

control sag mill sound detectiongrinding . where i work now minera san cristobal in bolivia we use sound control on both the sag and ball mills. the result of this control is a 25 increase in throughput over the plant design with a 10 reduction in energy consumption the mill is more efficient. the mill control manipulates the feed rate and mill

Get Price### 1multivariable controller for sag mill

brainwave sag mill andritz. although the mill weight provides a reasonable and reliable indiion of mill loading, it is known to be a challenge to control. fortunately, the patented brainwave controller has a unique ability to model sag mill behavior so that responsive, precise control is possible.

Get Price### (pdf) supervisory fuzzy expert controller for sag mill

23/01/2017· successful control of semi-autogenous grinding (sag) mill circuits has been the subject of many researches and main concern of plant operators for years.

Get Price### sag mill control: it shouldnt be that hard

sag mill control fundamentally means managing the load in the mill by adjusting the feed rate of ore to the mill and/or manipulating the rotational speed of the mill. the best way to measure load is to mount the mill on load cells. the load cells are calibrated to measure the total weight of water, grinding media (balls) and ore in the mill

Get Price### model predictive control for an industrial sag mill

sag mills are the primary units in a grinding chain and also the most power consuming units. therefore, improved control of sag mills has the potential to signicantly improve eciency and reduce the specic energy consumption for mineral processes. grinding circuits involving sag mills

Get Price### (pdf) robust control of a sag mill | manuel villon

the sag mill component of this dynamic model was used to design and test a robust controller whose aim was to maximise feed throughput by maintaining the sag mill draw power close to its maximum permissible level.the robust control design methodology (all of which is implemented within matlab based software) was used to design two h l

Get Price### optimal sag mill control using vibration & digital

sag, ag, mill, vibration, process, control, optimization introduction the vibration sensor based signals are more responsive and have a greater dynamic range than traditional control signals such as electronic ears, bearing pressure and mill power. the increased response

Get Price### 1multivariable controller for sag mill

1multivariable controller for sag mill. optimization of sag mill process control at the raglan mine. jan 01, 2013· a 14 foot diameter ball mill ensures final grinding before the flotation stage.many control strategies were used at the sag over the past few years. fuzzy logic was first used in 2007 in order to control tonnage feed to the sag.

Get Price### boost the performance of your sag mill

enhanced mill performance. sagwise total process control uses specially designed acoustic sensors and proprietary process control software to monitor and respond to critical impacts inside your sag mill. conditions inside your mill are automatically adjusted to minimise liner damage, stabilise and then optimise the operation of a sag mill.

Get Price### sag mill controller in mongolia

sag mill discharge control is quite involved due to few interactive variables such as mill discharge sump level classification hydro-cyclone variables feed density flow and pressure and water feed rate to the sump model predictive control mpc which is a multi-input multi-output mimo controller is very suitable for this purpose

Get Price### sag mill grinding circuit design - 911metallurgist.com

06/06/2016· by combining with sag discharge and screening on the sag discharge screens, top size control to the ball-mill circuit feed is maintained while still unloading the sag circuit (mosher et al, 2006). a variant of this method is to direct pebble-crushing circuit product to the ball-mill sump for secondary milling: while convenient, this has the

Get Price